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homework-jianmu/source/libs/parser/src/parTranslater.c

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/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "parInt.h"
#include "catalog.h"
#include "cmdnodes.h"
#include "filter.h"
#include "functionMgt.h"
#include "parUtil.h"
#include "scalar.h"
#include "systable.h"
#include "tglobal.h"
#include "ttime.h"
#define generateDealNodeErrMsg(pCxt, code, ...) \
(pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, code, ##__VA_ARGS__), DEAL_RES_ERROR)
typedef struct STranslateContext {
SParseContext* pParseCxt;
int32_t errCode;
SMsgBuf msgBuf;
SArray* pNsLevel; // element is SArray*, the element of this subarray is STableNode*
int32_t currLevel;
ESqlClause currClause;
SSelectStmt* pCurrStmt;
SCmdMsgInfo* pCmdMsg;
SHashObj* pDbs;
SHashObj* pTables;
SExplainOptions* pExplainOpt;
} STranslateContext;
typedef struct SFullDatabaseName {
char fullDbName[TSDB_DB_FNAME_LEN];
} SFullDatabaseName;
static int32_t translateSubquery(STranslateContext* pCxt, SNode* pNode);
static int32_t translateQuery(STranslateContext* pCxt, SNode* pNode);
static bool afterGroupBy(ESqlClause clause) { return clause > SQL_CLAUSE_GROUP_BY; }
static bool beforeHaving(ESqlClause clause) { return clause < SQL_CLAUSE_HAVING; }
static int32_t addNamespace(STranslateContext* pCxt, void* pTable) {
size_t currTotalLevel = taosArrayGetSize(pCxt->pNsLevel);
if (currTotalLevel > pCxt->currLevel) {
SArray* pTables = taosArrayGetP(pCxt->pNsLevel, pCxt->currLevel);
taosArrayPush(pTables, &pTable);
} else {
do {
SArray* pTables = taosArrayInit(TARRAY_MIN_SIZE, POINTER_BYTES);
if (pCxt->currLevel == currTotalLevel) {
taosArrayPush(pTables, &pTable);
}
taosArrayPush(pCxt->pNsLevel, &pTables);
++currTotalLevel;
} while (currTotalLevel <= pCxt->currLevel);
}
return TSDB_CODE_SUCCESS;
}
static SName* toName(int32_t acctId, const char* pDbName, const char* pTableName, SName* pName) {
pName->type = TSDB_TABLE_NAME_T;
pName->acctId = acctId;
strcpy(pName->dbname, pDbName);
strcpy(pName->tname, pTableName);
return pName;
}
static int32_t collectUseDatabaseImpl(const char* pFullDbName, SHashObj* pDbs) {
SFullDatabaseName name = {0};
strcpy(name.fullDbName, pFullDbName);
return taosHashPut(pDbs, pFullDbName, strlen(pFullDbName), &name, sizeof(SFullDatabaseName));
}
static int32_t collectUseDatabase(const SName* pName, SHashObj* pDbs) {
char dbFName[TSDB_DB_FNAME_LEN] = {0};
tNameGetFullDbName(pName, dbFName);
return collectUseDatabaseImpl(dbFName, pDbs);
}
static int32_t collectUseTable(const SName* pName, SHashObj* pDbs) {
char fullName[TSDB_TABLE_FNAME_LEN];
tNameExtractFullName(pName, fullName);
return taosHashPut(pDbs, fullName, strlen(fullName), pName, sizeof(SName));
}
static int32_t getTableMetaImpl(STranslateContext* pCxt, const SName* pName, STableMeta** pMeta) {
SParseContext* pParCxt = pCxt->pParseCxt;
int32_t code = collectUseDatabase(pName, pCxt->pDbs);
if (TSDB_CODE_SUCCESS == code) {
code = collectUseTable(pName, pCxt->pTables);
}
if (TSDB_CODE_SUCCESS == code) {
code = catalogGetTableMeta(pParCxt->pCatalog, pParCxt->pTransporter, &pParCxt->mgmtEpSet, pName, pMeta);
}
if (TSDB_CODE_SUCCESS != code) {
parserError("catalogGetTableMeta error, code:%s, dbName:%s, tbName:%s", tstrerror(code), pName->dbname,
pName->tname);
}
return code;
}
static int32_t getTableMeta(STranslateContext* pCxt, const char* pDbName, const char* pTableName, STableMeta** pMeta) {
SName name;
return getTableMetaImpl(pCxt, toName(pCxt->pParseCxt->acctId, pDbName, pTableName, &name), pMeta);
}
static int32_t getTableDistVgInfo(STranslateContext* pCxt, const SName* pName, SArray** pVgInfo) {
SParseContext* pParCxt = pCxt->pParseCxt;
int32_t code = collectUseDatabase(pName, pCxt->pDbs);
if (TSDB_CODE_SUCCESS == code) {
code = collectUseTable(pName, pCxt->pTables);
}
if (TSDB_CODE_SUCCESS == code) {
code = catalogGetTableDistVgInfo(pParCxt->pCatalog, pParCxt->pTransporter, &pParCxt->mgmtEpSet, pName, pVgInfo);
}
if (TSDB_CODE_SUCCESS != code) {
parserError("catalogGetTableDistVgInfo error, code:%s, dbName:%s, tbName:%s", tstrerror(code), pName->dbname,
pName->tname);
}
return code;
}
static int32_t getDBVgInfoImpl(STranslateContext* pCxt, const SName* pName, SArray** pVgInfo) {
SParseContext* pParCxt = pCxt->pParseCxt;
char fullDbName[TSDB_DB_FNAME_LEN];
tNameGetFullDbName(pName, fullDbName);
int32_t code = collectUseDatabaseImpl(fullDbName, pCxt->pDbs);
if (TSDB_CODE_SUCCESS == code) {
code = catalogGetDBVgInfo(pParCxt->pCatalog, pParCxt->pTransporter, &pParCxt->mgmtEpSet, fullDbName, pVgInfo);
}
if (TSDB_CODE_SUCCESS != code) {
parserError("catalogGetDBVgInfo error, code:%s, dbFName:%s", tstrerror(code), fullDbName);
}
return code;
}
static int32_t getDBVgInfo(STranslateContext* pCxt, const char* pDbName, SArray** pVgInfo) {
SName name;
tNameSetDbName(&name, pCxt->pParseCxt->acctId, pDbName, strlen(pDbName));
char dbFname[TSDB_DB_FNAME_LEN] = {0};
tNameGetFullDbName(&name, dbFname);
return getDBVgInfoImpl(pCxt, &name, pVgInfo);
}
static int32_t getTableHashVgroupImpl(STranslateContext* pCxt, const SName* pName, SVgroupInfo* pInfo) {
SParseContext* pParCxt = pCxt->pParseCxt;
int32_t code = collectUseDatabase(pName, pCxt->pDbs);
if (TSDB_CODE_SUCCESS == code) {
code = collectUseTable(pName, pCxt->pTables);
}
if (TSDB_CODE_SUCCESS == code) {
code = catalogGetTableHashVgroup(pParCxt->pCatalog, pParCxt->pTransporter, &pParCxt->mgmtEpSet, pName, pInfo);
}
if (TSDB_CODE_SUCCESS != code) {
parserError("catalogGetTableHashVgroup error, code:%s, dbName:%s, tbName:%s", tstrerror(code), pName->dbname,
pName->tname);
}
return code;
}
static int32_t getTableHashVgroup(STranslateContext* pCxt, const char* pDbName, const char* pTableName,
SVgroupInfo* pInfo) {
SName name;
return getTableHashVgroupImpl(pCxt, toName(pCxt->pParseCxt->acctId, pDbName, pTableName, &name), pInfo);
}
static int32_t getDBVgVersion(STranslateContext* pCxt, const char* pDbFName, int32_t* pVersion, int64_t* pDbId,
int32_t* pTableNum) {
SParseContext* pParCxt = pCxt->pParseCxt;
int32_t code = collectUseDatabaseImpl(pDbFName, pCxt->pDbs);
if (TSDB_CODE_SUCCESS == code) {
code = catalogGetDBVgVersion(pParCxt->pCatalog, pDbFName, pVersion, pDbId, pTableNum);
}
if (TSDB_CODE_SUCCESS != code) {
parserError("catalogGetDBVgVersion error, code:%s, dbFName:%s", tstrerror(code), pDbFName);
}
return code;
}
static int32_t getDBCfg(STranslateContext* pCxt, const char* pDbName, SDbCfgInfo* pInfo) {
SParseContext* pParCxt = pCxt->pParseCxt;
SName name;
tNameSetDbName(&name, pCxt->pParseCxt->acctId, pDbName, strlen(pDbName));
char dbFname[TSDB_DB_FNAME_LEN] = {0};
tNameGetFullDbName(&name, dbFname);
int32_t code = collectUseDatabaseImpl(dbFname, pCxt->pDbs);
if (TSDB_CODE_SUCCESS == code) {
code = catalogGetDBCfg(pParCxt->pCatalog, pParCxt->pTransporter, &pParCxt->mgmtEpSet, dbFname, pInfo);
}
if (TSDB_CODE_SUCCESS != code) {
parserError("catalogGetDBCfg error, code:%s, dbFName:%s", tstrerror(code), dbFname);
}
return code;
}
static int32_t initTranslateContext(SParseContext* pParseCxt, STranslateContext* pCxt) {
pCxt->pParseCxt = pParseCxt;
pCxt->errCode = TSDB_CODE_SUCCESS;
pCxt->msgBuf.buf = pParseCxt->pMsg;
pCxt->msgBuf.len = pParseCxt->msgLen;
pCxt->pNsLevel = taosArrayInit(TARRAY_MIN_SIZE, POINTER_BYTES);
pCxt->currLevel = 0;
pCxt->currClause = 0;
pCxt->pDbs = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_NO_LOCK);
pCxt->pTables = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_NO_LOCK);
if (NULL == pCxt->pNsLevel || NULL == pCxt->pDbs || NULL == pCxt->pTables) {
return TSDB_CODE_OUT_OF_MEMORY;
}
return TSDB_CODE_SUCCESS;
}
static int32_t resetTranslateNamespace(STranslateContext* pCxt) {
if (NULL != pCxt->pNsLevel) {
size_t size = taosArrayGetSize(pCxt->pNsLevel);
for (size_t i = 0; i < size; ++i) {
taosArrayDestroy(taosArrayGetP(pCxt->pNsLevel, i));
}
taosArrayDestroy(pCxt->pNsLevel);
}
pCxt->pNsLevel = taosArrayInit(TARRAY_MIN_SIZE, POINTER_BYTES);
if (NULL == pCxt->pNsLevel) {
return TSDB_CODE_OUT_OF_MEMORY;
}
return TSDB_CODE_SUCCESS;
}
static void destroyTranslateContext(STranslateContext* pCxt) {
if (NULL != pCxt->pNsLevel) {
size_t size = taosArrayGetSize(pCxt->pNsLevel);
for (size_t i = 0; i < size; ++i) {
taosArrayDestroy(taosArrayGetP(pCxt->pNsLevel, i));
}
taosArrayDestroy(pCxt->pNsLevel);
}
if (NULL != pCxt->pCmdMsg) {
taosMemoryFreeClear(pCxt->pCmdMsg->pMsg);
taosMemoryFreeClear(pCxt->pCmdMsg);
}
taosHashCleanup(pCxt->pDbs);
taosHashCleanup(pCxt->pTables);
}
static bool isAliasColumn(const SNode* pNode) {
return (QUERY_NODE_COLUMN == nodeType(pNode) && ('\0' == ((SColumnNode*)pNode)->tableAlias[0]));
}
static bool isAggFunc(const SNode* pNode) {
return (QUERY_NODE_FUNCTION == nodeType(pNode) && fmIsAggFunc(((SFunctionNode*)pNode)->funcId));
}
static bool isSelectFunc(const SNode* pNode) {
return (QUERY_NODE_FUNCTION == nodeType(pNode) && fmIsSelectFunc(((SFunctionNode*)pNode)->funcId));
}
static bool isTimelineFunc(const SNode* pNode) {
return (QUERY_NODE_FUNCTION == nodeType(pNode) && fmIsTimelineFunc(((SFunctionNode*)pNode)->funcId));
}
static bool isDistinctOrderBy(STranslateContext* pCxt) {
return (SQL_CLAUSE_ORDER_BY == pCxt->currClause && pCxt->pCurrStmt->isDistinct);
}
static bool belongTable(const char* currentDb, const SColumnNode* pCol, const STableNode* pTable) {
int cmp = 0;
if ('\0' != pCol->dbName[0]) {
cmp = strcmp(pCol->dbName, pTable->dbName);
} else {
cmp = (QUERY_NODE_REAL_TABLE == nodeType(pTable) ? strcmp(currentDb, pTable->dbName) : 0);
}
if (0 == cmp) {
cmp = strcmp(pCol->tableAlias, pTable->tableAlias);
}
return (0 == cmp);
}
static SNodeList* getProjectList(const SNode* pNode) {
if (QUERY_NODE_SELECT_STMT == nodeType(pNode)) {
return ((SSelectStmt*)pNode)->pProjectionList;
} else if (QUERY_NODE_SET_OPERATOR == nodeType(pNode)) {
return ((SSetOperator*)pNode)->pProjectionList;
}
return NULL;
}
static void setColumnInfoBySchema(const SRealTableNode* pTable, const SSchema* pColSchema, bool isTag,
SColumnNode* pCol) {
strcpy(pCol->dbName, pTable->table.dbName);
strcpy(pCol->tableAlias, pTable->table.tableAlias);
strcpy(pCol->tableName, pTable->table.tableName);
strcpy(pCol->colName, pColSchema->name);
if ('\0' == pCol->node.aliasName[0]) {
strcpy(pCol->node.aliasName, pColSchema->name);
}
pCol->tableId = pTable->pMeta->uid;
pCol->tableType = pTable->pMeta->tableType;
pCol->colId = pColSchema->colId;
pCol->colType = isTag ? COLUMN_TYPE_TAG : COLUMN_TYPE_COLUMN;
pCol->node.resType.type = pColSchema->type;
pCol->node.resType.bytes = pColSchema->bytes;
if (TSDB_DATA_TYPE_TIMESTAMP == pCol->node.resType.type) {
pCol->node.resType.precision = pTable->pMeta->tableInfo.precision;
}
}
static void setColumnInfoByExpr(const STableNode* pTable, SExprNode* pExpr, SColumnNode* pCol) {
pCol->pProjectRef = (SNode*)pExpr;
if (NULL == pExpr->pAssociation) {
pExpr->pAssociation = taosArrayInit(TARRAY_MIN_SIZE, POINTER_BYTES);
}
taosArrayPush(pExpr->pAssociation, &pCol);
if (NULL != pTable) {
strcpy(pCol->tableAlias, pTable->tableAlias);
} else if (QUERY_NODE_COLUMN == nodeType(pExpr)) {
SColumnNode* pProjCol = (SColumnNode*)pExpr;
strcpy(pCol->tableAlias, pProjCol->tableAlias);
pCol->tableId = pProjCol->tableId;
pCol->colId = pProjCol->colId;
pCol->colType = pProjCol->colType;
}
strcpy(pCol->colName, pExpr->aliasName);
if ('\0' == pCol->node.aliasName[0]) {
strcpy(pCol->node.aliasName, pCol->colName);
}
pCol->node.resType = pExpr->resType;
}
static int32_t createColumnsByTable(STranslateContext* pCxt, const STableNode* pTable, SNodeList* pList) {
if (QUERY_NODE_REAL_TABLE == nodeType(pTable)) {
const STableMeta* pMeta = ((SRealTableNode*)pTable)->pMeta;
int32_t nums =
pMeta->tableInfo.numOfColumns + ((TSDB_SUPER_TABLE == pMeta->tableType) ? pMeta->tableInfo.numOfTags : 0);
for (int32_t i = 0; i < nums; ++i) {
SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
if (NULL == pCol) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_OUT_OF_MEMORY);
}
setColumnInfoBySchema((SRealTableNode*)pTable, pMeta->schema + i, (i >= pMeta->tableInfo.numOfColumns), pCol);
nodesListAppend(pList, (SNode*)pCol);
}
} else {
SNodeList* pProjectList = getProjectList(((STempTableNode*)pTable)->pSubquery);
SNode* pNode;
FOREACH(pNode, pProjectList) {
SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
if (NULL == pCol) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_OUT_OF_MEMORY);
}
setColumnInfoByExpr(pTable, (SExprNode*)pNode, pCol);
nodesListAppend(pList, (SNode*)pCol);
}
}
return TSDB_CODE_SUCCESS;
}
static bool findAndSetColumn(SColumnNode* pCol, const STableNode* pTable) {
bool found = false;
if (QUERY_NODE_REAL_TABLE == nodeType(pTable)) {
const STableMeta* pMeta = ((SRealTableNode*)pTable)->pMeta;
if (PRIMARYKEY_TIMESTAMP_COL_ID == pCol->colId && 0 == strcmp(pCol->colName, PK_TS_COL_INTERNAL_NAME)) {
setColumnInfoBySchema((SRealTableNode*)pTable, pMeta->schema, false, pCol);
return true;
}
int32_t nums = pMeta->tableInfo.numOfTags + pMeta->tableInfo.numOfColumns;
for (int32_t i = 0; i < nums; ++i) {
if (0 == strcmp(pCol->colName, pMeta->schema[i].name)) {
setColumnInfoBySchema((SRealTableNode*)pTable, pMeta->schema + i, (i >= pMeta->tableInfo.numOfColumns), pCol);
found = true;
break;
}
}
} else {
SNodeList* pProjectList = getProjectList(((STempTableNode*)pTable)->pSubquery);
SNode* pNode;
FOREACH(pNode, pProjectList) {
SExprNode* pExpr = (SExprNode*)pNode;
if (0 == strcmp(pCol->colName, pExpr->aliasName)) {
setColumnInfoByExpr(pTable, pExpr, pCol);
found = true;
break;
}
}
}
return found;
}
static EDealRes translateColumnWithPrefix(STranslateContext* pCxt, SColumnNode* pCol) {
SArray* pTables = taosArrayGetP(pCxt->pNsLevel, pCxt->currLevel);
size_t nums = taosArrayGetSize(pTables);
bool foundTable = false;
for (size_t i = 0; i < nums; ++i) {
STableNode* pTable = taosArrayGetP(pTables, i);
if (belongTable(pCxt->pParseCxt->db, pCol, pTable)) {
foundTable = true;
if (findAndSetColumn(pCol, pTable)) {
break;
}
return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_COLUMN, pCol->colName);
}
}
if (!foundTable) {
return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_TABLE_NOT_EXIST, pCol->tableAlias);
}
return DEAL_RES_CONTINUE;
}
static EDealRes translateColumnWithoutPrefix(STranslateContext* pCxt, SColumnNode* pCol) {
SArray* pTables = taosArrayGetP(pCxt->pNsLevel, pCxt->currLevel);
size_t nums = taosArrayGetSize(pTables);
bool found = false;
for (size_t i = 0; i < nums; ++i) {
STableNode* pTable = taosArrayGetP(pTables, i);
if (findAndSetColumn(pCol, pTable)) {
if (found) {
return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_AMBIGUOUS_COLUMN, pCol->colName);
}
found = true;
}
}
if (!found) {
return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_COLUMN, pCol->colName);
}
return DEAL_RES_CONTINUE;
}
static bool translateColumnUseAlias(STranslateContext* pCxt, SColumnNode* pCol) {
SNodeList* pProjectionList = pCxt->pCurrStmt->pProjectionList;
SNode* pNode;
FOREACH(pNode, pProjectionList) {
SExprNode* pExpr = (SExprNode*)pNode;
if (0 == strcmp(pCol->colName, pExpr->aliasName)) {
setColumnInfoByExpr(NULL, pExpr, pCol);
return true;
}
}
return false;
}
static EDealRes translateColumn(STranslateContext* pCxt, SColumnNode* pCol) {
// count(*)/first(*)/last(*) and so on
if (0 == strcmp(pCol->colName, "*")) {
return DEAL_RES_CONTINUE;
}
EDealRes res = DEAL_RES_CONTINUE;
if ('\0' != pCol->tableAlias[0]) {
res = translateColumnWithPrefix(pCxt, pCol);
} else {
bool found = false;
if (SQL_CLAUSE_ORDER_BY == pCxt->currClause) {
found = translateColumnUseAlias(pCxt, pCol);
}
res = (found ? DEAL_RES_CONTINUE : translateColumnWithoutPrefix(pCxt, pCol));
}
return res;
}
static EDealRes translateValue(STranslateContext* pCxt, SValueNode* pVal) {
uint8_t precision = (NULL != pCxt->pCurrStmt ? pCxt->pCurrStmt->precision : pVal->node.resType.precision);
pVal->node.resType.precision = precision;
if (pVal->placeholderNo > 0) {
return DEAL_RES_CONTINUE;
}
if (pVal->isDuration) {
if (parseNatualDuration(pVal->literal, strlen(pVal->literal), &pVal->datum.i, &pVal->unit, precision) !=
TSDB_CODE_SUCCESS) {
return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
}
*(int64_t*)&pVal->typeData = pVal->datum.i;
} else {
switch (pVal->node.resType.type) {
case TSDB_DATA_TYPE_NULL:
break;
case TSDB_DATA_TYPE_BOOL:
pVal->datum.b = (0 == strcasecmp(pVal->literal, "true"));
*(bool*)&pVal->typeData = pVal->datum.b;
break;
case TSDB_DATA_TYPE_TINYINT: {
char* endPtr = NULL;
pVal->datum.i = strtoll(pVal->literal, &endPtr, 10);
*(int8_t*)&pVal->typeData = pVal->datum.i;
break;
}
case TSDB_DATA_TYPE_SMALLINT: {
char* endPtr = NULL;
pVal->datum.i = strtoll(pVal->literal, &endPtr, 10);
*(int16_t*)&pVal->typeData = pVal->datum.i;
break;
}
case TSDB_DATA_TYPE_INT: {
char* endPtr = NULL;
pVal->datum.i = strtoll(pVal->literal, &endPtr, 10);
*(int32_t*)&pVal->typeData = pVal->datum.i;
break;
}
case TSDB_DATA_TYPE_BIGINT: {
char* endPtr = NULL;
pVal->datum.i = strtoll(pVal->literal, &endPtr, 10);
*(int64_t*)&pVal->typeData = pVal->datum.i;
break;
}
case TSDB_DATA_TYPE_UTINYINT: {
char* endPtr = NULL;
pVal->datum.u = strtoull(pVal->literal, &endPtr, 10);
*(uint8_t*)&pVal->typeData = pVal->datum.u;
break;
}
case TSDB_DATA_TYPE_USMALLINT: {
char* endPtr = NULL;
pVal->datum.u = strtoull(pVal->literal, &endPtr, 10);
*(uint16_t*)&pVal->typeData = pVal->datum.u;
break;
}
case TSDB_DATA_TYPE_UINT: {
char* endPtr = NULL;
pVal->datum.u = strtoull(pVal->literal, &endPtr, 10);
*(uint32_t*)&pVal->typeData = pVal->datum.u;
break;
}
case TSDB_DATA_TYPE_UBIGINT: {
char* endPtr = NULL;
pVal->datum.u = strtoull(pVal->literal, &endPtr, 10);
*(uint64_t*)&pVal->typeData = pVal->datum.u;
break;
}
case TSDB_DATA_TYPE_FLOAT: {
char* endPtr = NULL;
pVal->datum.d = strtold(pVal->literal, &endPtr);
*(float*)&pVal->typeData = pVal->datum.d;
break;
}
case TSDB_DATA_TYPE_DOUBLE: {
char* endPtr = NULL;
pVal->datum.d = strtold(pVal->literal, &endPtr);
*(double*)&pVal->typeData = pVal->datum.d;
break;
}
case TSDB_DATA_TYPE_VARCHAR:
case TSDB_DATA_TYPE_VARBINARY: {
pVal->datum.p = taosMemoryCalloc(1, pVal->node.resType.bytes + VARSTR_HEADER_SIZE + 1);
if (NULL == pVal->datum.p) {
return generateDealNodeErrMsg(pCxt, TSDB_CODE_OUT_OF_MEMORY);
}
varDataSetLen(pVal->datum.p, pVal->node.resType.bytes);
strncpy(varDataVal(pVal->datum.p), pVal->literal, pVal->node.resType.bytes);
break;
}
case TSDB_DATA_TYPE_TIMESTAMP: {
if (taosParseTime(pVal->literal, &pVal->datum.i, pVal->node.resType.bytes, precision, tsDaylight) !=
TSDB_CODE_SUCCESS) {
return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
}
*(int64_t*)&pVal->typeData = pVal->datum.i;
break;
}
case TSDB_DATA_TYPE_NCHAR:
case TSDB_DATA_TYPE_JSON:
case TSDB_DATA_TYPE_DECIMAL:
case TSDB_DATA_TYPE_BLOB:
// todo
default:
break;
}
}
pVal->translate = true;
return DEAL_RES_CONTINUE;
}
static EDealRes translateOperator(STranslateContext* pCxt, SOperatorNode* pOp) {
if (nodesIsUnaryOp(pOp)) {
if (OP_TYPE_MINUS == pOp->opType) {
if (!IS_MATHABLE_TYPE(((SExprNode*)(pOp->pLeft))->resType.type)) {
return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)(pOp->pLeft))->aliasName);
}
pOp->node.resType.type = TSDB_DATA_TYPE_DOUBLE;
pOp->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_DOUBLE].bytes;
} else {
pOp->node.resType.type = TSDB_DATA_TYPE_BOOL;
pOp->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_BOOL].bytes;
}
return DEAL_RES_CONTINUE;
}
SDataType ldt = ((SExprNode*)(pOp->pLeft))->resType;
SDataType rdt = ((SExprNode*)(pOp->pRight))->resType;
if (nodesIsArithmeticOp(pOp)) {
if (TSDB_DATA_TYPE_JSON == ldt.type || TSDB_DATA_TYPE_BLOB == ldt.type || TSDB_DATA_TYPE_JSON == rdt.type ||
TSDB_DATA_TYPE_BLOB == rdt.type) {
return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)(pOp->pRight))->aliasName);
}
if ((TSDB_DATA_TYPE_TIMESTAMP == ldt.type && TSDB_DATA_TYPE_TIMESTAMP == rdt.type) ||
(TSDB_DATA_TYPE_TIMESTAMP == ldt.type && (IS_VAR_DATA_TYPE(rdt.type) || IS_FLOAT_TYPE(rdt.type))) ||
(TSDB_DATA_TYPE_TIMESTAMP == rdt.type && (IS_VAR_DATA_TYPE(ldt.type) || IS_FLOAT_TYPE(ldt.type)))) {
return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)(pOp->pRight))->aliasName);
}
if ((TSDB_DATA_TYPE_TIMESTAMP == ldt.type && IS_INTEGER_TYPE(rdt.type)) ||
(TSDB_DATA_TYPE_TIMESTAMP == rdt.type && IS_INTEGER_TYPE(ldt.type)) ||
(TSDB_DATA_TYPE_TIMESTAMP == ldt.type && TSDB_DATA_TYPE_BOOL == rdt.type) ||
(TSDB_DATA_TYPE_TIMESTAMP == rdt.type && TSDB_DATA_TYPE_BOOL == ldt.type)) {
pOp->node.resType.type = TSDB_DATA_TYPE_TIMESTAMP;
pOp->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_TIMESTAMP].bytes;
} else {
pOp->node.resType.type = TSDB_DATA_TYPE_DOUBLE;
pOp->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_DOUBLE].bytes;
}
} else if (nodesIsComparisonOp(pOp)) {
if (TSDB_DATA_TYPE_BLOB == ldt.type || TSDB_DATA_TYPE_JSON == rdt.type || TSDB_DATA_TYPE_BLOB == rdt.type) {
return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)(pOp->pRight))->aliasName);
}
if (OP_TYPE_IN == pOp->opType || OP_TYPE_NOT_IN == pOp->opType) {
((SExprNode*)pOp->pRight)->resType = ((SExprNode*)pOp->pLeft)->resType;
}
pOp->node.resType.type = TSDB_DATA_TYPE_BOOL;
pOp->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_BOOL].bytes;
} else if (nodesIsJsonOp(pOp)) {
if (TSDB_DATA_TYPE_JSON != ldt.type || TSDB_DATA_TYPE_BINARY != rdt.type) {
return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)(pOp->pRight))->aliasName);
}
pOp->node.resType.type = TSDB_DATA_TYPE_JSON;
pOp->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_JSON].bytes;
}
return DEAL_RES_CONTINUE;
}
static EDealRes haveAggFunction(SNode* pNode, void* pContext) {
if (isAggFunc(pNode)) {
*((bool*)pContext) = true;
return DEAL_RES_END;
}
return DEAL_RES_CONTINUE;
}
static int32_t findTable(STranslateContext* pCxt, const char* pTableAlias, STableNode** pOutput) {
SArray* pTables = taosArrayGetP(pCxt->pNsLevel, pCxt->currLevel);
size_t nums = taosArrayGetSize(pTables);
for (size_t i = 0; i < nums; ++i) {
STableNode* pTable = taosArrayGetP(pTables, i);
if (NULL == pTableAlias || 0 == strcmp(pTable->tableAlias, pTableAlias)) {
*pOutput = pTable;
return TSDB_CODE_SUCCESS;
}
}
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_TABLE_NOT_EXIST, pTableAlias);
}
static bool isCountStar(SFunctionNode* pFunc) {
if (FUNCTION_TYPE_COUNT != pFunc->funcType || 1 != LIST_LENGTH(pFunc->pParameterList)) {
return false;
}
SNode* pPara = nodesListGetNode(pFunc->pParameterList, 0);
return (QUERY_NODE_COLUMN == nodeType(pPara) && 0 == strcmp(((SColumnNode*)pPara)->colName, "*"));
}
// count(*) is rewritten as count(ts) for scannning optimization
static int32_t rewriteCountStar(STranslateContext* pCxt, SFunctionNode* pCount) {
SColumnNode* pCol = nodesListGetNode(pCount->pParameterList, 0);
STableNode* pTable = NULL;
int32_t code = findTable(pCxt, ('\0' == pCol->tableAlias[0] ? NULL : pCol->tableAlias), &pTable);
if (TSDB_CODE_SUCCESS == code && QUERY_NODE_REAL_TABLE == nodeType(pTable)) {
setColumnInfoBySchema((SRealTableNode*)pTable, ((SRealTableNode*)pTable)->pMeta->schema, false, pCol);
}
return code;
}
static EDealRes translateFunction(STranslateContext* pCxt, SFunctionNode* pFunc) {
SFmGetFuncInfoParam param = {.pCtg = pCxt->pParseCxt->pCatalog,
.pRpc = pCxt->pParseCxt->pTransporter,
.pMgmtEps = &pCxt->pParseCxt->mgmtEpSet,
.pErrBuf = pCxt->msgBuf.buf,
.errBufLen = pCxt->msgBuf.len};
pCxt->errCode = fmGetFuncInfo(&param, pFunc);
if (TSDB_CODE_SUCCESS == pCxt->errCode && fmIsAggFunc(pFunc->funcId)) {
if (beforeHaving(pCxt->currClause)) {
return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_ILLEGAL_USE_AGG_FUNCTION);
}
bool haveAggFunc = false;
nodesWalkExprs(pFunc->pParameterList, haveAggFunction, &haveAggFunc);
if (haveAggFunc) {
return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_AGG_FUNC_NESTING);
}
pCxt->pCurrStmt->hasAggFuncs = true;
pCxt->pCurrStmt->isTimeOrderQuery = false;
if (isCountStar(pFunc)) {
pCxt->errCode = rewriteCountStar(pCxt, pFunc);
}
if (fmIsRepeatScanFunc(pFunc->funcId)) {
pCxt->pCurrStmt->hasRepeatScanFuncs = true;
}
}
return TSDB_CODE_SUCCESS == pCxt->errCode ? DEAL_RES_CONTINUE : DEAL_RES_ERROR;
}
static EDealRes translateExprSubquery(STranslateContext* pCxt, SNode* pNode) {
return (TSDB_CODE_SUCCESS == translateSubquery(pCxt, pNode) ? DEAL_RES_CONTINUE : DEAL_RES_ERROR);
}
static EDealRes translateLogicCond(STranslateContext* pCxt, SLogicConditionNode* pCond) {
pCond->node.resType.type = TSDB_DATA_TYPE_BOOL;
pCond->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_BOOL].bytes;
return DEAL_RES_CONTINUE;
}
static EDealRes doTranslateExpr(SNode* pNode, void* pContext) {
STranslateContext* pCxt = (STranslateContext*)pContext;
switch (nodeType(pNode)) {
case QUERY_NODE_COLUMN:
return translateColumn(pCxt, (SColumnNode*)pNode);
case QUERY_NODE_VALUE:
return translateValue(pCxt, (SValueNode*)pNode);
case QUERY_NODE_OPERATOR:
return translateOperator(pCxt, (SOperatorNode*)pNode);
case QUERY_NODE_FUNCTION:
return translateFunction(pCxt, (SFunctionNode*)pNode);
case QUERY_NODE_LOGIC_CONDITION:
return translateLogicCond(pCxt, (SLogicConditionNode*)pNode);
case QUERY_NODE_TEMP_TABLE:
return translateExprSubquery(pCxt, ((STempTableNode*)pNode)->pSubquery);
default:
break;
}
return DEAL_RES_CONTINUE;
}
static int32_t translateExpr(STranslateContext* pCxt, SNode* pNode) {
nodesWalkExprPostOrder(pNode, doTranslateExpr, pCxt);
return pCxt->errCode;
}
static int32_t translateExprList(STranslateContext* pCxt, SNodeList* pList) {
nodesWalkExprsPostOrder(pList, doTranslateExpr, pCxt);
return pCxt->errCode;
}
static SNodeList* getGroupByList(STranslateContext* pCxt) {
if (isDistinctOrderBy(pCxt)) {
return pCxt->pCurrStmt->pProjectionList;
}
return pCxt->pCurrStmt->pGroupByList;
}
static SNode* getGroupByNode(SNode* pNode) {
if (QUERY_NODE_GROUPING_SET == nodeType(pNode)) {
return nodesListGetNode(((SGroupingSetNode*)pNode)->pParameterList, 0);
}
return pNode;
}
static int32_t getGroupByErrorCode(STranslateContext* pCxt) {
if (isDistinctOrderBy(pCxt)) {
return TSDB_CODE_PAR_NOT_SELECTED_EXPRESSION;
}
return TSDB_CODE_PAR_GROUPBY_LACK_EXPRESSION;
}
typedef struct SCheckExprForGroupByCxt {
STranslateContext* pTranslateCxt;
int32_t selectFuncNum;
bool hasSelectValFunc;
} SCheckExprForGroupByCxt;
static EDealRes rewriteColToSelectValFunc(STranslateContext* pCxt, bool* pHasSelectValFunc, SNode** pNode) {
SFunctionNode* pFunc = nodesMakeNode(QUERY_NODE_FUNCTION);
if (NULL == pFunc) {
pCxt->errCode = TSDB_CODE_OUT_OF_MEMORY;
return DEAL_RES_ERROR;
}
strcpy(pFunc->functionName, "_select_value");
pCxt->errCode = nodesListMakeAppend(&pFunc->pParameterList, *pNode);
if (TSDB_CODE_SUCCESS == pCxt->errCode) {
translateFunction(pCxt, pFunc);
}
if (TSDB_CODE_SUCCESS == pCxt->errCode) {
*pNode = (SNode*)pFunc;
if (NULL != pHasSelectValFunc) {
*pHasSelectValFunc = true;
}
} else {
nodesDestroyNode(pFunc);
}
return TSDB_CODE_SUCCESS == pCxt->errCode ? DEAL_RES_IGNORE_CHILD : DEAL_RES_ERROR;
}
static EDealRes doCheckExprForGroupBy(SNode** pNode, void* pContext) {
SCheckExprForGroupByCxt* pCxt = (SCheckExprForGroupByCxt*)pContext;
if (!nodesIsExprNode(*pNode) || isAliasColumn(*pNode)) {
return DEAL_RES_CONTINUE;
}
pCxt->selectFuncNum += isSelectFunc(*pNode) ? 1 : 0;
if (pCxt->selectFuncNum > 1 && pCxt->hasSelectValFunc) {
return generateDealNodeErrMsg(pCxt->pTranslateCxt, getGroupByErrorCode(pCxt->pTranslateCxt));
}
if (isAggFunc(*pNode) && !isDistinctOrderBy(pCxt->pTranslateCxt)) {
return DEAL_RES_IGNORE_CHILD;
}
SNode* pGroupNode;
FOREACH(pGroupNode, getGroupByList(pCxt->pTranslateCxt)) {
if (nodesEqualNode(getGroupByNode(pGroupNode), *pNode)) {
return DEAL_RES_IGNORE_CHILD;
}
}
if (QUERY_NODE_COLUMN == nodeType(*pNode)) {
if (pCxt->selectFuncNum > 1) {
return generateDealNodeErrMsg(pCxt->pTranslateCxt, getGroupByErrorCode(pCxt->pTranslateCxt));
} else {
return rewriteColToSelectValFunc(pCxt->pTranslateCxt, &pCxt->hasSelectValFunc, pNode);
}
}
if (isAggFunc(*pNode) && isDistinctOrderBy(pCxt->pTranslateCxt)) {
return generateDealNodeErrMsg(pCxt->pTranslateCxt, getGroupByErrorCode(pCxt->pTranslateCxt));
}
return DEAL_RES_CONTINUE;
}
static int32_t checkExprForGroupBy(STranslateContext* pCxt, SNode** pNode) {
SCheckExprForGroupByCxt cxt = {.pTranslateCxt = pCxt, .selectFuncNum = 0, .hasSelectValFunc = false};
nodesRewriteExpr(pNode, doCheckExprForGroupBy, &cxt);
if (cxt.selectFuncNum != 1 && cxt.hasSelectValFunc) {
return generateSyntaxErrMsg(&pCxt->msgBuf, getGroupByErrorCode(pCxt));
}
return pCxt->errCode;
}
static int32_t checkExprListForGroupBy(STranslateContext* pCxt, SNodeList* pList) {
if (NULL == getGroupByList(pCxt)) {
return TSDB_CODE_SUCCESS;
}
SCheckExprForGroupByCxt cxt = {.pTranslateCxt = pCxt, .selectFuncNum = 0, .hasSelectValFunc = false};
nodesRewriteExprs(pList, doCheckExprForGroupBy, &cxt);
if (cxt.selectFuncNum != 1 && cxt.hasSelectValFunc) {
return generateSyntaxErrMsg(&pCxt->msgBuf, getGroupByErrorCode(pCxt));
}
return pCxt->errCode;
}
static EDealRes rewriteColsToSelectValFuncImpl(SNode** pNode, void* pContext) {
if (isAggFunc(*pNode)) {
return DEAL_RES_IGNORE_CHILD;
}
if (QUERY_NODE_COLUMN == nodeType(*pNode)) {
return rewriteColToSelectValFunc((STranslateContext*)pContext, NULL, pNode);
}
return DEAL_RES_CONTINUE;
}
static int32_t rewriteColsToSelectValFunc(STranslateContext* pCxt, SSelectStmt* pSelect) {
nodesRewriteExprs(pSelect->pProjectionList, rewriteColsToSelectValFuncImpl, pCxt);
if (TSDB_CODE_SUCCESS == pCxt->errCode && !pSelect->isDistinct) {
nodesRewriteExprs(pSelect->pOrderByList, rewriteColsToSelectValFuncImpl, pCxt);
}
return pCxt->errCode;
}
typedef struct CheckAggColCoexistCxt {
STranslateContext* pTranslateCxt;
bool existAggFunc;
bool existCol;
int32_t selectFuncNum;
} CheckAggColCoexistCxt;
static EDealRes doCheckAggColCoexist(SNode* pNode, void* pContext) {
CheckAggColCoexistCxt* pCxt = (CheckAggColCoexistCxt*)pContext;
pCxt->selectFuncNum += isSelectFunc(pNode) ? 1 : 0;
if (isAggFunc(pNode)) {
pCxt->existAggFunc = true;
return DEAL_RES_IGNORE_CHILD;
}
if (QUERY_NODE_COLUMN == nodeType(pNode)) {
pCxt->existCol = true;
}
return DEAL_RES_CONTINUE;
}
static int32_t checkAggColCoexist(STranslateContext* pCxt, SSelectStmt* pSelect) {
if (NULL != pSelect->pGroupByList) {
return TSDB_CODE_SUCCESS;
}
CheckAggColCoexistCxt cxt = {.pTranslateCxt = pCxt, .existAggFunc = false, .existCol = false};
nodesWalkExprs(pSelect->pProjectionList, doCheckAggColCoexist, &cxt);
if (!pSelect->isDistinct) {
nodesWalkExprs(pSelect->pOrderByList, doCheckAggColCoexist, &cxt);
}
if (1 == cxt.selectFuncNum) {
return rewriteColsToSelectValFunc(pCxt, pSelect);
} else if ((cxt.selectFuncNum > 1 || cxt.existAggFunc || NULL != pSelect->pWindow) && cxt.existCol) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_SINGLE_GROUP);
}
return TSDB_CODE_SUCCESS;
}
static int32_t toVgroupsInfo(SArray* pVgs, SVgroupsInfo** pVgsInfo) {
size_t vgroupNum = taosArrayGetSize(pVgs);
*pVgsInfo = taosMemoryCalloc(1, sizeof(SVgroupsInfo) + sizeof(SVgroupInfo) * vgroupNum);
if (NULL == *pVgsInfo) {
return TSDB_CODE_OUT_OF_MEMORY;
}
(*pVgsInfo)->numOfVgroups = vgroupNum;
for (int32_t i = 0; i < vgroupNum; ++i) {
SVgroupInfo* vg = taosArrayGet(pVgs, i);
(*pVgsInfo)->vgroups[i] = *vg;
}
return TSDB_CODE_SUCCESS;
}
static int32_t addMnodeToVgroupList(const SEpSet* pEpSet, SArray** pVgroupList) {
if (NULL == *pVgroupList) {
*pVgroupList = taosArrayInit(TARRAY_MIN_SIZE, sizeof(SVgroupInfo));
if (NULL == *pVgroupList) {
return TSDB_CODE_OUT_OF_MEMORY;
}
}
SVgroupInfo vg = {.vgId = MNODE_HANDLE};
memcpy(&vg.epSet, pEpSet, sizeof(SEpSet));
taosArrayPush(*pVgroupList, &vg);
return TSDB_CODE_SUCCESS;
}
static int32_t setSysTableVgroupList(STranslateContext* pCxt, SName* pName, SRealTableNode* pRealTable) {
if (0 != strcmp(pRealTable->table.tableName, TSDB_INS_TABLE_USER_TABLES)) {
return TSDB_CODE_SUCCESS;
}
int32_t code = TSDB_CODE_SUCCESS;
SArray* vgroupList = NULL;
if ('\0' != pRealTable->qualDbName[0]) {
// todo release after mnode can be processed
if (0 != strcmp(pRealTable->qualDbName, TSDB_INFORMATION_SCHEMA_DB)) {
code = getDBVgInfo(pCxt, pRealTable->qualDbName, &vgroupList);
}
} else {
code = getDBVgInfoImpl(pCxt, pName, &vgroupList);
}
// todo release after mnode can be processed
if (TSDB_CODE_SUCCESS == code) {
code = addMnodeToVgroupList(&pCxt->pParseCxt->mgmtEpSet, &vgroupList);
}
if (TSDB_CODE_SUCCESS == code) {
code = toVgroupsInfo(vgroupList, &pRealTable->pVgroupList);
}
taosArrayDestroy(vgroupList);
return code;
}
static int32_t setTableVgroupList(STranslateContext* pCxt, SName* pName, SRealTableNode* pRealTable) {
if (pCxt->pParseCxt->topicQuery) {
return TSDB_CODE_SUCCESS;
}
int32_t code = TSDB_CODE_SUCCESS;
if (TSDB_SUPER_TABLE == pRealTable->pMeta->tableType) {
SArray* vgroupList = NULL;
code = getTableDistVgInfo(pCxt, pName, &vgroupList);
if (TSDB_CODE_SUCCESS == code) {
code = toVgroupsInfo(vgroupList, &pRealTable->pVgroupList);
}
taosArrayDestroy(vgroupList);
} else if (TSDB_SYSTEM_TABLE == pRealTable->pMeta->tableType) {
code = setSysTableVgroupList(pCxt, pName, pRealTable);
} else {
pRealTable->pVgroupList = taosMemoryCalloc(1, sizeof(SVgroupsInfo) + sizeof(SVgroupInfo));
if (NULL == pRealTable->pVgroupList) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pRealTable->pVgroupList->numOfVgroups = 1;
code = getTableHashVgroupImpl(pCxt, pName, pRealTable->pVgroupList->vgroups);
}
return code;
}
static uint8_t getStmtPrecision(SNode* pStmt) {
if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
return ((SSelectStmt*)pStmt)->precision;
}
return 0;
}
static uint8_t getJoinTablePrecision(SJoinTableNode* pJoinTable) {
uint8_t lp = ((STableNode*)pJoinTable->pLeft)->precision;
uint8_t rp = ((STableNode*)pJoinTable->pRight)->precision;
return (lp > rp ? rp : lp);
}
static int32_t translateTable(STranslateContext* pCxt, SNode* pTable) {
int32_t code = TSDB_CODE_SUCCESS;
switch (nodeType(pTable)) {
case QUERY_NODE_REAL_TABLE: {
SRealTableNode* pRealTable = (SRealTableNode*)pTable;
pRealTable->ratio = (NULL != pCxt->pExplainOpt ? pCxt->pExplainOpt->ratio : 1.0);
// The SRealTableNode created through ROLLUP already has STableMeta.
if (NULL == pRealTable->pMeta) {
SName name;
code = getTableMetaImpl(
pCxt, toName(pCxt->pParseCxt->acctId, pRealTable->table.dbName, pRealTable->table.tableName, &name),
&(pRealTable->pMeta));
if (TSDB_CODE_SUCCESS != code) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_TABLE_NOT_EXIST, pRealTable->table.tableName);
}
code = setTableVgroupList(pCxt, &name, pRealTable);
}
pRealTable->table.precision = pRealTable->pMeta->tableInfo.precision;
if (TSDB_CODE_SUCCESS == code) {
code = addNamespace(pCxt, pRealTable);
}
break;
}
case QUERY_NODE_TEMP_TABLE: {
STempTableNode* pTempTable = (STempTableNode*)pTable;
code = translateSubquery(pCxt, pTempTable->pSubquery);
if (TSDB_CODE_SUCCESS == code) {
pTempTable->table.precision = getStmtPrecision(pTempTable->pSubquery);
code = addNamespace(pCxt, pTempTable);
}
break;
}
case QUERY_NODE_JOIN_TABLE: {
SJoinTableNode* pJoinTable = (SJoinTableNode*)pTable;
code = translateTable(pCxt, pJoinTable->pLeft);
if (TSDB_CODE_SUCCESS == code) {
code = translateTable(pCxt, pJoinTable->pRight);
}
if (TSDB_CODE_SUCCESS == code) {
pJoinTable->table.precision = getJoinTablePrecision(pJoinTable);
code = translateExpr(pCxt, pJoinTable->pOnCond);
}
break;
}
default:
break;
}
return code;
}
static int32_t createAllColumns(STranslateContext* pCxt, SNodeList** pCols) {
*pCols = nodesMakeList();
if (NULL == *pCols) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_OUT_OF_MEMORY);
}
SArray* pTables = taosArrayGetP(pCxt->pNsLevel, pCxt->currLevel);
size_t nums = taosArrayGetSize(pTables);
for (size_t i = 0; i < nums; ++i) {
STableNode* pTable = taosArrayGetP(pTables, i);
int32_t code = createColumnsByTable(pCxt, pTable, *pCols);
if (TSDB_CODE_SUCCESS != code) {
return code;
}
}
return TSDB_CODE_SUCCESS;
}
static bool isMultiResFunc(SNode* pNode) {
if (QUERY_NODE_FUNCTION != nodeType(pNode) || !fmIsMultiResFunc(((SFunctionNode*)pNode)->funcId)) {
return false;
}
SNodeList* pParameterList = ((SFunctionNode*)pNode)->pParameterList;
if (LIST_LENGTH(pParameterList) > 1) {
return true;
}
SNode* pParam = nodesListGetNode(pParameterList, 0);
return (QUERY_NODE_COLUMN == nodeType(pParam) ? 0 == strcmp(((SColumnNode*)pParam)->colName, "*") : false);
}
static SNode* createMultiResFunc(SFunctionNode* pSrcFunc, SExprNode* pExpr) {
SFunctionNode* pFunc = nodesMakeNode(QUERY_NODE_FUNCTION);
if (NULL == pFunc) {
return NULL;
}
pFunc->pParameterList = nodesMakeList();
if (NULL == pFunc->pParameterList ||
TSDB_CODE_SUCCESS != nodesListStrictAppend(pFunc->pParameterList, nodesCloneNode(pExpr))) {
nodesDestroyNode(pFunc);
return NULL;
}
pFunc->node.resType = pExpr->resType;
pFunc->funcId = pSrcFunc->funcId;
pFunc->funcType = pSrcFunc->funcType;
strcpy(pFunc->functionName, pSrcFunc->functionName);
char buf[TSDB_FUNC_NAME_LEN + TSDB_TABLE_NAME_LEN + TSDB_COL_NAME_LEN];
int32_t len = 0;
if (QUERY_NODE_COLUMN == nodeType(pExpr)) {
SColumnNode* pCol = (SColumnNode*)pExpr;
len = snprintf(buf, sizeof(buf), "%s(%s.%s)", pSrcFunc->functionName, pCol->tableAlias, pCol->colName);
} else {
len = snprintf(buf, sizeof(buf), "%s(%s)", pSrcFunc->functionName, pExpr->aliasName);
}
strncpy(pFunc->node.aliasName, buf, TMIN(len, sizeof(pFunc->node.aliasName) - 1));
return (SNode*)pFunc;
}
static int32_t createTableAllCols(STranslateContext* pCxt, SColumnNode* pCol, SNodeList** pOutput) {
STableNode* pTable = NULL;
int32_t code = findTable(pCxt, pCol->tableAlias, &pTable);
if (TSDB_CODE_SUCCESS == code && NULL == *pOutput) {
*pOutput = nodesMakeList();
if (NULL == *pOutput) {
code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_OUT_OF_MEMORY);
}
}
if (TSDB_CODE_SUCCESS == code) {
code = createColumnsByTable(pCxt, pTable, *pOutput);
}
return code;
}
static bool isStar(SNode* pNode) {
return (QUERY_NODE_COLUMN == nodeType(pNode)) && ('\0' == ((SColumnNode*)pNode)->tableAlias[0]) &&
(0 == strcmp(((SColumnNode*)pNode)->colName, "*"));
}
static bool isTableStar(SNode* pNode) {
return (QUERY_NODE_COLUMN == nodeType(pNode)) && ('\0' != ((SColumnNode*)pNode)->tableAlias[0]) &&
(0 == strcmp(((SColumnNode*)pNode)->colName, "*"));
}
static int32_t createMultiResFuncsParas(STranslateContext* pCxt, SNodeList* pSrcParas, SNodeList** pOutput) {
int32_t code = TSDB_CODE_SUCCESS;
SNodeList* pExprs = NULL;
SNode* pPara = NULL;
FOREACH(pPara, pSrcParas) {
if (isStar(pPara)) {
code = createAllColumns(pCxt, &pExprs);
// The syntax definition ensures that * and other parameters do not appear at the same time
break;
} else if (isTableStar(pPara)) {
code = createTableAllCols(pCxt, (SColumnNode*)pPara, &pExprs);
} else {
code = nodesListMakeStrictAppend(&pExprs, nodesCloneNode(pPara));
}
if (TSDB_CODE_SUCCESS != code) {
break;
}
}
if (TSDB_CODE_SUCCESS == code) {
*pOutput = pExprs;
} else {
nodesDestroyList(pExprs);
}
return code;
}
static int32_t createMultiResFuncs(SFunctionNode* pSrcFunc, SNodeList* pExprs, SNodeList** pOutput) {
SNodeList* pFuncs = nodesMakeList();
if (NULL == pFuncs) {
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t code = TSDB_CODE_SUCCESS;
SNode* pExpr = NULL;
FOREACH(pExpr, pExprs) {
code = nodesListStrictAppend(pFuncs, createMultiResFunc(pSrcFunc, (SExprNode*)pExpr));
if (TSDB_CODE_SUCCESS != code) {
break;
}
}
if (TSDB_CODE_SUCCESS == code) {
*pOutput = pFuncs;
} else {
nodesDestroyList(pFuncs);
}
return code;
}
static int32_t createMultiResFuncsFromStar(STranslateContext* pCxt, SFunctionNode* pSrcFunc, SNodeList** pOutput) {
SNodeList* pExprs = NULL;
int32_t code = createMultiResFuncsParas(pCxt, pSrcFunc->pParameterList, &pExprs);
if (TSDB_CODE_SUCCESS == code) {
code = createMultiResFuncs(pSrcFunc, pExprs, pOutput);
}
if (TSDB_CODE_SUCCESS != code) {
nodesDestroyList(pExprs);
}
return code;
}
static int32_t translateStar(STranslateContext* pCxt, SSelectStmt* pSelect) {
if (NULL == pSelect->pProjectionList) { // select * ...
return createAllColumns(pCxt, &pSelect->pProjectionList);
} else {
SNode* pNode = NULL;
WHERE_EACH(pNode, pSelect->pProjectionList) {
int32_t code = TSDB_CODE_SUCCESS;
if (isMultiResFunc(pNode)) {
SNodeList* pFuncs = NULL;
code = createMultiResFuncsFromStar(pCxt, (SFunctionNode*)pNode, &pFuncs);
if (TSDB_CODE_SUCCESS == code) {
INSERT_LIST(pSelect->pProjectionList, pFuncs);
ERASE_NODE(pSelect->pProjectionList);
continue;
}
} else if (isTableStar(pNode)) {
SNodeList* pCols = NULL;
code = createTableAllCols(pCxt, (SColumnNode*)pNode, &pCols);
if (TSDB_CODE_SUCCESS == code) {
INSERT_LIST(pSelect->pProjectionList, pCols);
ERASE_NODE(pSelect->pProjectionList);
continue;
}
}
if (TSDB_CODE_SUCCESS != code) {
return code;
}
WHERE_NEXT;
}
}
return TSDB_CODE_SUCCESS;
}
static int32_t getPositionValue(const SValueNode* pVal) {
switch (pVal->node.resType.type) {
case TSDB_DATA_TYPE_NULL:
case TSDB_DATA_TYPE_TIMESTAMP:
case TSDB_DATA_TYPE_NCHAR:
case TSDB_DATA_TYPE_VARCHAR:
case TSDB_DATA_TYPE_VARBINARY:
case TSDB_DATA_TYPE_JSON:
return -1;
case TSDB_DATA_TYPE_BOOL:
return (pVal->datum.b ? 1 : 0);
case TSDB_DATA_TYPE_TINYINT:
case TSDB_DATA_TYPE_SMALLINT:
case TSDB_DATA_TYPE_INT:
case TSDB_DATA_TYPE_BIGINT:
return pVal->datum.i;
case TSDB_DATA_TYPE_FLOAT:
case TSDB_DATA_TYPE_DOUBLE:
return pVal->datum.d;
case TSDB_DATA_TYPE_UTINYINT:
case TSDB_DATA_TYPE_USMALLINT:
case TSDB_DATA_TYPE_UINT:
case TSDB_DATA_TYPE_UBIGINT:
return pVal->datum.u;
default:
break;
}
return -1;
}
static int32_t translateOrderByPosition(STranslateContext* pCxt, SNodeList* pProjectionList, SNodeList* pOrderByList,
bool* pOther) {
*pOther = false;
SNode* pNode = NULL;
WHERE_EACH(pNode, pOrderByList) {
SNode* pExpr = ((SOrderByExprNode*)pNode)->pExpr;
if (QUERY_NODE_VALUE == nodeType(pExpr)) {
SValueNode* pVal = (SValueNode*)pExpr;
if (DEAL_RES_ERROR == translateValue(pCxt, pVal)) {
return pCxt->errCode;
}
int32_t pos = getPositionValue(pVal);
if (pos < 0) {
ERASE_NODE(pOrderByList);
continue;
} else if (0 == pos || pos > LIST_LENGTH(pProjectionList)) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_WRONG_NUMBER_OF_SELECT);
} else {
SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
if (NULL == pCol) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_OUT_OF_MEMORY);
}
setColumnInfoByExpr(NULL, (SExprNode*)nodesListGetNode(pProjectionList, pos - 1), pCol);
((SOrderByExprNode*)pNode)->pExpr = (SNode*)pCol;
nodesDestroyNode(pExpr);
}
} else {
*pOther = true;
}
WHERE_NEXT;
}
return TSDB_CODE_SUCCESS;
}
static int32_t translateOrderBy(STranslateContext* pCxt, SSelectStmt* pSelect) {
bool other;
int32_t code = translateOrderByPosition(pCxt, pSelect->pProjectionList, pSelect->pOrderByList, &other);
if (TSDB_CODE_SUCCESS != code) {
return code;
}
if (!other) {
return TSDB_CODE_SUCCESS;
}
pCxt->currClause = SQL_CLAUSE_ORDER_BY;
code = translateExprList(pCxt, pSelect->pOrderByList);
if (TSDB_CODE_SUCCESS == code) {
code = checkExprListForGroupBy(pCxt, pSelect->pOrderByList);
}
return code;
}
static int32_t translateSelectList(STranslateContext* pCxt, SSelectStmt* pSelect) {
pCxt->currClause = SQL_CLAUSE_SELECT;
int32_t code = translateExprList(pCxt, pSelect->pProjectionList);
if (TSDB_CODE_SUCCESS == code) {
code = translateStar(pCxt, pSelect);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkExprListForGroupBy(pCxt, pSelect->pProjectionList);
}
return code;
}
static int32_t translateHaving(STranslateContext* pCxt, SSelectStmt* pSelect) {
if (NULL == pSelect->pGroupByList && NULL != pSelect->pHaving) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_GROUPBY_LACK_EXPRESSION);
}
pCxt->currClause = SQL_CLAUSE_HAVING;
int32_t code = translateExpr(pCxt, pSelect->pHaving);
if (TSDB_CODE_SUCCESS == code) {
code = checkExprForGroupBy(pCxt, &pSelect->pHaving);
}
return code;
}
static int32_t translateGroupBy(STranslateContext* pCxt, SSelectStmt* pSelect) {
if (NULL != pSelect->pGroupByList && NULL != pSelect->pWindow) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_GROUPBY_WINDOW_COEXIST);
}
if (NULL != pSelect->pGroupByList) {
pCxt->currClause = SQL_CLAUSE_GROUP_BY;
pSelect->isTimeOrderQuery = false;
return translateExprList(pCxt, pSelect->pGroupByList);
}
return TSDB_CODE_SUCCESS;
}
static EDealRes isPrimaryKeyCondImpl(SNode* pNode, void* pContext) {
if (QUERY_NODE_COLUMN == nodeType(pNode)) {
*((bool*)pContext) = ((PRIMARYKEY_TIMESTAMP_COL_ID == ((SColumnNode*)pNode)->colId) ? true : false);
return *((bool*)pContext) ? DEAL_RES_CONTINUE : DEAL_RES_END;
}
return DEAL_RES_CONTINUE;
}
static bool isPrimaryKeyCond(SNode* pNode) {
bool isPrimaryKeyCond = false;
nodesWalkExpr(pNode, isPrimaryKeyCondImpl, &isPrimaryKeyCond);
return isPrimaryKeyCond;
}
static int32_t getTimeRangeFromLogicCond(STranslateContext* pCxt, SLogicConditionNode* pLogicCond,
STimeWindow* pTimeRange) {
SNodeList* pPrimaryKeyConds = NULL;
SNode* pCond = NULL;
FOREACH(pCond, pLogicCond->pParameterList) {
if (isPrimaryKeyCond(pCond)) {
if (TSDB_CODE_SUCCESS != nodesListMakeAppend(&pPrimaryKeyConds, pCond)) {
nodesClearList(pPrimaryKeyConds);
return TSDB_CODE_OUT_OF_MEMORY;
}
}
}
if (NULL == pPrimaryKeyConds) {
*pTimeRange = TSWINDOW_INITIALIZER;
return TSDB_CODE_SUCCESS;
}
SLogicConditionNode* pPrimaryKeyLogicCond = nodesMakeNode(QUERY_NODE_LOGIC_CONDITION);
if (NULL == pPrimaryKeyLogicCond) {
nodesClearList(pPrimaryKeyConds);
return TSDB_CODE_OUT_OF_MEMORY;
}
pPrimaryKeyLogicCond->condType = LOGIC_COND_TYPE_AND;
pPrimaryKeyLogicCond->pParameterList = pPrimaryKeyConds;
bool isStrict = false;
int32_t code = filterGetTimeRange((SNode*)pPrimaryKeyLogicCond, pTimeRange, &isStrict);
nodesClearList(pPrimaryKeyConds);
pPrimaryKeyLogicCond->pParameterList = NULL;
nodesDestroyNode(pPrimaryKeyLogicCond);
return code;
}
static int32_t getTimeRange(STranslateContext* pCxt, SNode* pWhere, STimeWindow* pTimeRange) {
if (NULL == pWhere) {
*pTimeRange = TSWINDOW_INITIALIZER;
return TSDB_CODE_SUCCESS;
}
if (QUERY_NODE_LOGIC_CONDITION == nodeType(pWhere) &&
LOGIC_COND_TYPE_AND == ((SLogicConditionNode*)pWhere)->condType) {
return getTimeRangeFromLogicCond(pCxt, (SLogicConditionNode*)pWhere, pTimeRange);
}
if (isPrimaryKeyCond(pWhere)) {
bool isStrict = false;
return filterGetTimeRange(pWhere, pTimeRange, &isStrict);
} else {
*pTimeRange = TSWINDOW_INITIALIZER;
}
return TSDB_CODE_SUCCESS;
}
static int32_t checkFill(STranslateContext* pCxt, SIntervalWindowNode* pInterval) {
SFillNode* pFill = (SFillNode*)pInterval->pFill;
if (TSWINDOW_IS_EQUAL(pFill->timeRange, TSWINDOW_INITIALIZER) ||
TSWINDOW_IS_EQUAL(pFill->timeRange, TSWINDOW_DESC_INITIALIZER)) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_FILL_TIME_RANGE);
}
int64_t timeRange = TABS(pFill->timeRange.skey - pFill->timeRange.ekey);
int64_t intervalRange = 0;
SValueNode* pInter = (SValueNode*)pInterval->pInterval;
if (TIME_IS_VAR_DURATION(pInter->unit)) {
int64_t f = 1;
if (pInter->unit == 'n') {
f = 30L * MILLISECOND_PER_DAY;
} else if (pInter->unit == 'y') {
f = 365L * MILLISECOND_PER_DAY;
}
intervalRange = pInter->datum.i * f;
} else {
intervalRange = pInter->datum.i;
}
if ((timeRange == 0) || (timeRange / intervalRange) >= MAX_INTERVAL_TIME_WINDOW) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_FILL_TIME_RANGE);
}
return TSDB_CODE_SUCCESS;
}
static int32_t translateFill(STranslateContext* pCxt, SNode* pWhere, SIntervalWindowNode* pInterval) {
if (NULL == pInterval->pFill) {
return TSDB_CODE_SUCCESS;
}
int32_t code = getTimeRange(pCxt, pWhere, &(((SFillNode*)pInterval->pFill)->timeRange));
if (TSDB_CODE_SUCCESS == code) {
code = checkFill(pCxt, pInterval);
}
return code;
}
static int64_t getMonthsFromTimeVal(int64_t val, int32_t fromPrecision, char unit) {
int64_t days = convertTimeFromPrecisionToUnit(val, fromPrecision, 'd');
switch (unit) {
case 'b':
case 'u':
case 'a':
case 's':
case 'm':
case 'h':
case 'd':
case 'w':
return days / 28;
case 'n':
return val;
case 'y':
return val * 12;
default:
break;
}
return -1;
}
static int32_t checkIntervalWindow(STranslateContext* pCxt, SNode* pWhere, SIntervalWindowNode* pInterval) {
uint8_t precision = ((SColumnNode*)pInterval->pCol)->node.resType.precision;
SValueNode* pInter = (SValueNode*)pInterval->pInterval;
bool valInter = TIME_IS_VAR_DURATION(pInter->unit);
if (pInter->datum.i <= 0 ||
(!valInter && convertTimePrecision(pInter->datum.i, precision, TSDB_TIME_PRECISION_MICRO) < tsMinIntervalTime)) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INTER_VALUE_TOO_SMALL, tsMinIntervalTime);
}
if (NULL != pInterval->pOffset) {
SValueNode* pOffset = (SValueNode*)pInterval->pOffset;
if (pOffset->datum.i <= 0) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INTER_OFFSET_NEGATIVE);
}
if (pInter->unit == 'n' && pOffset->unit == 'y') {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INTER_OFFSET_UNIT);
}
bool fixed = !TIME_IS_VAR_DURATION(pOffset->unit) && !valInter;
if ((fixed && pOffset->datum.i >= pInter->datum.i) ||
(!fixed && getMonthsFromTimeVal(pOffset->datum.i, precision, pOffset->unit) >=
getMonthsFromTimeVal(pInter->datum.i, precision, pInter->unit))) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INTER_OFFSET_TOO_BIG);
}
}
if (NULL != pInterval->pSliding) {
const static int32_t INTERVAL_SLIDING_FACTOR = 100;
SValueNode* pSliding = (SValueNode*)pInterval->pSliding;
if (TIME_IS_VAR_DURATION(pSliding->unit)) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INTER_SLIDING_UNIT);
}
if ((pSliding->datum.i < convertTimePrecision(tsMinSlidingTime, TSDB_TIME_PRECISION_MILLI, precision)) ||
(pInter->datum.i / pSliding->datum.i > INTERVAL_SLIDING_FACTOR)) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INTER_SLIDING_TOO_SMALL);
}
if (pSliding->datum.i > pInter->datum.i) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INTER_SLIDING_TOO_BIG);
}
}
return translateFill(pCxt, pWhere, pInterval);
}
static EDealRes checkStateExpr(SNode* pNode, void* pContext) {
if (QUERY_NODE_COLUMN == nodeType(pNode)) {
STranslateContext* pCxt = pContext;
SColumnNode* pCol = (SColumnNode*)pNode;
if (!IS_INTEGER_TYPE(pCol->node.resType.type)) {
return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_STATE_WIN_TYPE);
}
if (COLUMN_TYPE_TAG == pCol->colType) {
return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_STATE_WIN_COL);
}
if (TSDB_SUPER_TABLE == pCol->tableType) {
return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_STATE_WIN_TABLE);
}
}
return DEAL_RES_CONTINUE;
}
static int32_t checkStateWindow(STranslateContext* pCxt, SStateWindowNode* pState) {
nodesWalkExprPostOrder(pState->pExpr, checkStateExpr, pCxt);
// todo check for "function not support for state_window"
return pCxt->errCode;
}
static int32_t checkSessionWindow(STranslateContext* pCxt, SSessionWindowNode* pSession) {
if ('y' == pSession->pGap->unit || 'n' == pSession->pGap->unit || 0 == pSession->pGap->datum.i) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INTER_SESSION_GAP);
}
if (PRIMARYKEY_TIMESTAMP_COL_ID != pSession->pCol->colId) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INTER_SESSION_COL);
}
// todo check for "function not support for session"
return TSDB_CODE_SUCCESS;
}
static int32_t checkWindow(STranslateContext* pCxt, SSelectStmt* pSelect) {
switch (nodeType(pSelect->pWindow)) {
case QUERY_NODE_STATE_WINDOW:
return checkStateWindow(pCxt, (SStateWindowNode*)pSelect->pWindow);
case QUERY_NODE_SESSION_WINDOW:
return checkSessionWindow(pCxt, (SSessionWindowNode*)pSelect->pWindow);
case QUERY_NODE_INTERVAL_WINDOW:
return checkIntervalWindow(pCxt, pSelect->pWhere, (SIntervalWindowNode*)pSelect->pWindow);
default:
break;
}
return TSDB_CODE_SUCCESS;
}
static int32_t translateWindow(STranslateContext* pCxt, SSelectStmt* pSelect) {
if (NULL == pSelect->pWindow) {
return TSDB_CODE_SUCCESS;
}
pCxt->currClause = SQL_CLAUSE_WINDOW;
int32_t code = translateExpr(pCxt, pSelect->pWindow);
if (TSDB_CODE_SUCCESS == code) {
code = checkWindow(pCxt, pSelect);
}
return code;
}
static int32_t translatePartitionBy(STranslateContext* pCxt, SNodeList* pPartitionByList) {
pCxt->currClause = SQL_CLAUSE_PARTITION_BY;
return translateExprList(pCxt, pPartitionByList);
}
static int32_t translateWhere(STranslateContext* pCxt, SNode* pWhere) {
pCxt->currClause = SQL_CLAUSE_WHERE;
return translateExpr(pCxt, pWhere);
}
static int32_t translateFrom(STranslateContext* pCxt, SSelectStmt* pSelect) {
pCxt->currClause = SQL_CLAUSE_FROM;
int32_t code = translateTable(pCxt, pSelect->pFromTable);
if (TSDB_CODE_SUCCESS == code) {
pSelect->precision = ((STableNode*)pSelect->pFromTable)->precision;
}
return code;
}
static int32_t checkLimit(STranslateContext* pCxt, SSelectStmt* pSelect) {
if ((NULL != pSelect->pLimit && pSelect->pLimit->offset < 0) ||
(NULL != pSelect->pSlimit && pSelect->pSlimit->offset < 0)) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_OFFSET_LESS_ZERO);
}
if (NULL != pSelect->pSlimit && NULL == pSelect->pPartitionByList) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_SLIMIT_LEAK_PARTITION_BY);
}
return TSDB_CODE_SUCCESS;
}
static int32_t createPrimaryKeyColByTable(STranslateContext* pCxt, STableNode* pTable, SNode** pPrimaryKey) {
SColumnNode* pCol = nodesMakeNode(QUERY_NODE_COLUMN);
if (NULL == pCol) {
return TSDB_CODE_OUT_OF_MEMORY;
}
if (QUERY_NODE_REAL_TABLE == nodeType(pTable)) {
setColumnInfoBySchema((SRealTableNode*)pTable, ((SRealTableNode*)pTable)->pMeta->schema, false, pCol);
} else {
// todo
}
*pPrimaryKey = (SNode*)pCol;
return TSDB_CODE_SUCCESS;
}
static int32_t createPrimaryKeyCol(STranslateContext* pCxt, SNode** pPrimaryKey) {
STableNode* pTable = NULL;
int32_t code = findTable(pCxt, NULL, &pTable);
if (TSDB_CODE_SUCCESS == code) {
code = createPrimaryKeyColByTable(pCxt, pTable, pPrimaryKey);
}
return code;
}
static EDealRes rewriteTimelineFuncImpl(SNode* pNode, void* pContext) {
STranslateContext* pCxt = pContext;
if (isTimelineFunc(pNode)) {
SFunctionNode* pFunc = (SFunctionNode*)pNode;
SNode* pPrimaryKey = NULL;
pCxt->errCode = createPrimaryKeyCol(pCxt, &pPrimaryKey);
if (TSDB_CODE_SUCCESS == pCxt->errCode) {
pCxt->errCode = nodesListMakeStrictAppend(&pFunc->pParameterList, pPrimaryKey);
}
return TSDB_CODE_SUCCESS == pCxt->errCode ? DEAL_RES_IGNORE_CHILD : DEAL_RES_ERROR;
}
return DEAL_RES_CONTINUE;
}
static int32_t rewriteTimelineFunc(STranslateContext* pCxt, SSelectStmt* pSelect) {
nodesWalkSelectStmt(pSelect, SQL_CLAUSE_FROM, rewriteTimelineFuncImpl, pCxt);
return pCxt->errCode;
}
static int32_t translateSelect(STranslateContext* pCxt, SSelectStmt* pSelect) {
pCxt->pCurrStmt = pSelect;
int32_t code = translateFrom(pCxt, pSelect);
if (TSDB_CODE_SUCCESS == code) {
code = translateWhere(pCxt, pSelect->pWhere);
}
if (TSDB_CODE_SUCCESS == code) {
code = translatePartitionBy(pCxt, pSelect->pPartitionByList);
}
if (TSDB_CODE_SUCCESS == code) {
code = translateWindow(pCxt, pSelect);
}
if (TSDB_CODE_SUCCESS == code) {
code = translateGroupBy(pCxt, pSelect);
}
if (TSDB_CODE_SUCCESS == code) {
code = translateHaving(pCxt, pSelect);
}
if (TSDB_CODE_SUCCESS == code) {
code = translateSelectList(pCxt, pSelect);
}
if (TSDB_CODE_SUCCESS == code) {
code = translateOrderBy(pCxt, pSelect);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkAggColCoexist(pCxt, pSelect);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkLimit(pCxt, pSelect);
}
if (TSDB_CODE_SUCCESS == code) {
code = rewriteTimelineFunc(pCxt, pSelect);
}
return code;
}
static SNode* createSetOperProject(SNode* pNode) {
SColumnNode* pCol = nodesMakeNode(QUERY_NODE_COLUMN);
if (NULL == pCol) {
return NULL;
}
pCol->node.resType = ((SExprNode*)pNode)->resType;
strcpy(pCol->colName, ((SExprNode*)pNode)->aliasName);
strcpy(pCol->node.aliasName, pCol->colName);
return (SNode*)pCol;
}
static bool dataTypeEqual(const SDataType* l, const SDataType* r) {
return (l->type == r->type && l->bytes == l->bytes && l->precision == r->precision && l->scale == l->scale);
}
static int32_t createCastFunc(STranslateContext* pCxt, SNode* pExpr, SDataType dt, SNode** pCast) {
SFunctionNode* pFunc = nodesMakeNode(QUERY_NODE_FUNCTION);
if (NULL == pFunc) {
return TSDB_CODE_OUT_OF_MEMORY;
}
strcpy(pFunc->functionName, "cast");
pFunc->node.resType = dt;
if (TSDB_CODE_SUCCESS != nodesListMakeAppend(&pFunc->pParameterList, pExpr)) {
nodesDestroyNode(pFunc);
return TSDB_CODE_OUT_OF_MEMORY;
}
if (DEAL_RES_ERROR == translateFunction(pCxt, pFunc)) {
nodesClearList(pFunc->pParameterList);
pFunc->pParameterList = NULL;
nodesDestroyNode(pFunc);
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)pExpr)->aliasName);
}
*pCast = (SNode*)pFunc;
return TSDB_CODE_SUCCESS;
}
static int32_t translateSetOperatorImpl(STranslateContext* pCxt, SSetOperator* pSetOperator) {
SNodeList* pLeftProjections = getProjectList(pSetOperator->pLeft);
SNodeList* pRightProjections = getProjectList(pSetOperator->pRight);
if (LIST_LENGTH(pLeftProjections) != LIST_LENGTH(pRightProjections)) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INCORRECT_NUM_OF_COL);
}
SNode* pLeft = NULL;
SNode* pRight = NULL;
FORBOTH(pLeft, pLeftProjections, pRight, pRightProjections) {
SExprNode* pLeftExpr = (SExprNode*)pLeft;
SExprNode* pRightExpr = (SExprNode*)pRight;
if (!dataTypeEqual(&pLeftExpr->resType, &pRightExpr->resType)) {
SNode* pRightFunc = NULL;
int32_t code = createCastFunc(pCxt, pRight, pLeftExpr->resType, &pRightFunc);
if (TSDB_CODE_SUCCESS != code) {
return code;
}
REPLACE_LIST2_NODE(pRightFunc);
pRightExpr = (SExprNode*)pRightFunc;
}
strcpy(pRightExpr->aliasName, pLeftExpr->aliasName);
pRightExpr->aliasName[strlen(pLeftExpr->aliasName)] = '\0';
if (TSDB_CODE_SUCCESS != nodesListMakeStrictAppend(&pSetOperator->pProjectionList, createSetOperProject(pLeft))) {
return TSDB_CODE_OUT_OF_MEMORY;
}
}
return TSDB_CODE_SUCCESS;
}
static int32_t translateSetOperator(STranslateContext* pCxt, SSetOperator* pSetOperator) {
int32_t code = translateQuery(pCxt, pSetOperator->pLeft);
if (TSDB_CODE_SUCCESS == code) {
code = resetTranslateNamespace(pCxt);
}
if (TSDB_CODE_SUCCESS == code) {
code = translateQuery(pCxt, pSetOperator->pRight);
}
if (TSDB_CODE_SUCCESS == code) {
code = translateSetOperatorImpl(pCxt, pSetOperator);
}
return code;
}
static int64_t getUnitPerMinute(uint8_t precision) {
switch (precision) {
case TSDB_TIME_PRECISION_MILLI:
return MILLISECOND_PER_MINUTE;
case TSDB_TIME_PRECISION_MICRO:
return MILLISECOND_PER_MINUTE * 1000L;
case TSDB_TIME_PRECISION_NANO:
return NANOSECOND_PER_MINUTE;
default:
break;
}
return MILLISECOND_PER_MINUTE;
}
static int64_t getBigintFromValueNode(SValueNode* pVal) {
if (pVal->isDuration) {
return pVal->datum.i / getUnitPerMinute(pVal->node.resType.precision);
}
return pVal->datum.i;
}
static int32_t buildCreateDbRetentions(const SNodeList* pRetentions, SCreateDbReq* pReq) {
if (NULL != pRetentions) {
pReq->pRetensions = taosArrayInit(LIST_LENGTH(pRetentions), sizeof(SRetention));
if (NULL == pReq->pRetensions) {
return TSDB_CODE_OUT_OF_MEMORY;
}
SValueNode* pFreq = NULL;
SValueNode* pKeep = NULL;
SNode* pNode = NULL;
int32_t index = 0;
FOREACH(pNode, pRetentions) {
pFreq = (SValueNode*)nodesListGetNode(((SNodeListNode*)pNode)->pNodeList, 0);
pKeep = (SValueNode*)nodesListGetNode(((SNodeListNode*)pNode)->pNodeList, 1);
SRetention retention = {
.freq = pFreq->datum.i, .freqUnit = pFreq->unit, .keep = pKeep->datum.i, .keepUnit = pKeep->unit};
taosArrayPush(pReq->pRetensions, &retention);
}
pReq->numOfRetensions = taosArrayGetSize(pReq->pRetensions);
}
return TSDB_CODE_SUCCESS;
}
static int32_t buildCreateDbReq(STranslateContext* pCxt, SCreateDatabaseStmt* pStmt, SCreateDbReq* pReq) {
SName name = {0};
tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->dbName, strlen(pStmt->dbName));
tNameGetFullDbName(&name, pReq->db);
pReq->numOfVgroups = pStmt->pOptions->numOfVgroups;
pReq->numOfStables = pStmt->pOptions->singleStable;
pReq->buffer = pStmt->pOptions->buffer;
pReq->pageSize = pStmt->pOptions->pagesize;
pReq->pages = pStmt->pOptions->pages;
pReq->daysPerFile = pStmt->pOptions->daysPerFile;
pReq->daysToKeep0 = pStmt->pOptions->keep[0];
pReq->daysToKeep1 = pStmt->pOptions->keep[1];
pReq->daysToKeep2 = pStmt->pOptions->keep[2];
pReq->minRows = pStmt->pOptions->minRowsPerBlock;
pReq->maxRows = pStmt->pOptions->maxRowsPerBlock;
pReq->fsyncPeriod = pStmt->pOptions->fsyncPeriod;
pReq->walLevel = pStmt->pOptions->walLevel;
pReq->precision = pStmt->pOptions->precision;
pReq->compression = pStmt->pOptions->compressionLevel;
pReq->replications = pStmt->pOptions->replica;
pReq->strict = pStmt->pOptions->strict;
pReq->cacheLastRow = pStmt->pOptions->cachelast;
pReq->ignoreExist = pStmt->ignoreExists;
return buildCreateDbRetentions(pStmt->pOptions->pRetentions, pReq);
}
static int32_t checkRangeOption(STranslateContext* pCxt, const char* pName, int32_t val, int32_t minVal,
int32_t maxVal) {
if (val >= 0 && (val < minVal || val > maxVal)) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_RANGE_OPTION, pName, val, minVal, maxVal);
}
return TSDB_CODE_SUCCESS;
}
static int32_t checkDbDaysOption(STranslateContext* pCxt, SDatabaseOptions* pOptions) {
if (NULL != pOptions->pDaysPerFile) {
if (DEAL_RES_ERROR == translateValue(pCxt, pOptions->pDaysPerFile)) {
return pCxt->errCode;
}
if (TIME_UNIT_MINUTE != pOptions->pDaysPerFile->unit && TIME_UNIT_HOUR != pOptions->pDaysPerFile->unit &&
TIME_UNIT_DAY != pOptions->pDaysPerFile->unit) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_OPTION_UNIT, "daysPerFile",
pOptions->pDaysPerFile->unit);
}
pOptions->daysPerFile = getBigintFromValueNode(pOptions->pDaysPerFile);
}
return checkRangeOption(pCxt, "daysPerFile", pOptions->daysPerFile, TSDB_MIN_DAYS_PER_FILE, TSDB_MAX_DAYS_PER_FILE);
}
static int32_t checkDbKeepOption(STranslateContext* pCxt, SDatabaseOptions* pOptions) {
if (NULL == pOptions->pKeep) {
return TSDB_CODE_SUCCESS;
}
int32_t numOfKeep = LIST_LENGTH(pOptions->pKeep);
if (numOfKeep > 3 || numOfKeep < 1) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_KEEP_NUM);
}
SNode* pNode = NULL;
FOREACH(pNode, pOptions->pKeep) {
SValueNode* pVal = (SValueNode*)pNode;
if (DEAL_RES_ERROR == translateValue(pCxt, pVal)) {
return pCxt->errCode;
}
if (pVal->isDuration && TIME_UNIT_MINUTE != pVal->unit && TIME_UNIT_HOUR != pVal->unit &&
TIME_UNIT_DAY != pVal->unit) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_KEEP_UNIT, pVal->unit);
}
}
pOptions->keep[0] = getBigintFromValueNode((SValueNode*)nodesListGetNode(pOptions->pKeep, 0));
if (numOfKeep < 2) {
pOptions->keep[1] = pOptions->keep[0];
} else {
pOptions->keep[1] = getBigintFromValueNode((SValueNode*)nodesListGetNode(pOptions->pKeep, 1));
}
if (numOfKeep < 3) {
pOptions->keep[2] = pOptions->keep[1];
} else {
pOptions->keep[2] = getBigintFromValueNode((SValueNode*)nodesListGetNode(pOptions->pKeep, 2));
}
if (pOptions->keep[0] < TSDB_MIN_KEEP || pOptions->keep[1] < TSDB_MIN_KEEP || pOptions->keep[2] < TSDB_MIN_KEEP ||
pOptions->keep[0] > TSDB_MAX_KEEP || pOptions->keep[1] > TSDB_MAX_KEEP || pOptions->keep[2] > TSDB_MAX_KEEP) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_KEEP_VALUE, pOptions->keep[0], pOptions->keep[1],
pOptions->keep[2], TSDB_MIN_KEEP, TSDB_MAX_KEEP);
}
if (!((pOptions->keep[0] <= pOptions->keep[1]) && (pOptions->keep[1] <= pOptions->keep[2]))) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_KEEP_ORDER);
}
return TSDB_CODE_SUCCESS;
}
static int32_t checkDbPrecisionOption(STranslateContext* pCxt, SDatabaseOptions* pOptions) {
if ('\0' != pOptions->precisionStr[0]) {
if (0 == strcmp(pOptions->precisionStr, TSDB_TIME_PRECISION_MILLI_STR)) {
pOptions->precision = TSDB_TIME_PRECISION_MILLI;
} else if (0 == strcmp(pOptions->precisionStr, TSDB_TIME_PRECISION_MICRO_STR)) {
pOptions->precision = TSDB_TIME_PRECISION_MICRO;
} else if (0 == strcmp(pOptions->precisionStr, TSDB_TIME_PRECISION_NANO_STR)) {
pOptions->precision = TSDB_TIME_PRECISION_NANO;
} else {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STR_OPTION, "precision", pOptions->precisionStr);
}
}
return TSDB_CODE_SUCCESS;
}
static int32_t checkDbEnumOption(STranslateContext* pCxt, const char* pName, int32_t val, int32_t v1, int32_t v2) {
if (val >= 0 && val != v1 && val != v2) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ENUM_OPTION, pName, val, v1, v2);
}
return TSDB_CODE_SUCCESS;
}
static int32_t checkDbRetentionsOption(STranslateContext* pCxt, SNodeList* pRetentions) {
if (NULL == pRetentions) {
return TSDB_CODE_SUCCESS;
}
if (LIST_LENGTH(pRetentions) > 3) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_RETENTIONS_OPTION);
}
SNode* pRetention = NULL;
FOREACH(pRetention, pRetentions) {
SNode* pNode = NULL;
FOREACH(pNode, ((SNodeListNode*)pRetention)->pNodeList) {
SValueNode* pVal = (SValueNode*)pNode;
if (DEAL_RES_ERROR == translateValue(pCxt, pVal)) {
return pCxt->errCode;
}
}
}
return TSDB_CODE_SUCCESS;
}
static int32_t checkOptionsDependency(STranslateContext* pCxt, const char* pDbName, SDatabaseOptions* pOptions) {
int32_t daysPerFile = pOptions->daysPerFile;
int32_t daysToKeep0 = pOptions->keep[0];
if (-1 == daysPerFile && -1 == daysToKeep0) {
return TSDB_CODE_SUCCESS;
} else if (-1 == daysPerFile || -1 == daysToKeep0) {
SDbCfgInfo dbCfg;
int32_t code = getDBCfg(pCxt, pDbName, &dbCfg);
if (TSDB_CODE_SUCCESS != code) {
return code;
}
daysPerFile = (-1 == daysPerFile ? dbCfg.daysPerFile : daysPerFile);
daysToKeep0 = (-1 == daysToKeep0 ? dbCfg.daysToKeep0 : daysToKeep0);
}
if (daysPerFile > daysToKeep0) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DAYS_VALUE);
}
return TSDB_CODE_SUCCESS;
}
static int32_t checkDatabaseOptions(STranslateContext* pCxt, const char* pDbName, SDatabaseOptions* pOptions) {
int32_t code =
checkRangeOption(pCxt, "buffer", pOptions->buffer, TSDB_MIN_BUFFER_PER_VNODE, TSDB_MAX_BUFFER_PER_VNODE);
if (TSDB_CODE_SUCCESS == code) {
code = checkRangeOption(pCxt, "cacheLast", pOptions->cachelast, TSDB_MIN_DB_CACHE_LAST_ROW,
TSDB_MAX_DB_CACHE_LAST_ROW);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkRangeOption(pCxt, "compression", pOptions->compressionLevel, TSDB_MIN_COMP_LEVEL, TSDB_MAX_COMP_LEVEL);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkDbDaysOption(pCxt, pOptions);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkRangeOption(pCxt, "fsyncPeriod", pOptions->fsyncPeriod, TSDB_MIN_FSYNC_PERIOD, TSDB_MAX_FSYNC_PERIOD);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkRangeOption(pCxt, "maxRowsPerBlock", pOptions->maxRowsPerBlock, TSDB_MIN_MAXROWS_FBLOCK,
TSDB_MAX_MAXROWS_FBLOCK);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkRangeOption(pCxt, "minRowsPerBlock", pOptions->minRowsPerBlock, TSDB_MIN_MINROWS_FBLOCK,
TSDB_MAX_MINROWS_FBLOCK);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkDbKeepOption(pCxt, pOptions);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkRangeOption(pCxt, "pages", pOptions->pages, TSDB_MIN_PAGES_PER_VNODE, TSDB_MAX_PAGES_PER_VNODE);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkRangeOption(pCxt, "pagesize", pOptions->pagesize, TSDB_MIN_PAGESIZE_PER_VNODE,
TSDB_MAX_PAGESIZE_PER_VNODE);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkDbPrecisionOption(pCxt, pOptions);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkDbEnumOption(pCxt, "replications", pOptions->replica, TSDB_MIN_DB_REPLICA, TSDB_MAX_DB_REPLICA);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkDbEnumOption(pCxt, "strict", pOptions->strict, TSDB_DB_STRICT_OFF, TSDB_DB_STRICT_ON);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkDbEnumOption(pCxt, "walLevel", pOptions->walLevel, TSDB_MIN_WAL_LEVEL, TSDB_MAX_WAL_LEVEL);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkRangeOption(pCxt, "vgroups", pOptions->numOfVgroups, TSDB_MIN_VNODES_PER_DB, TSDB_MAX_VNODES_PER_DB);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkDbEnumOption(pCxt, "singleStable", pOptions->singleStable, TSDB_DB_SINGLE_STABLE_ON,
TSDB_DB_SINGLE_STABLE_OFF);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkDbRetentionsOption(pCxt, pOptions->pRetentions);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkOptionsDependency(pCxt, pDbName, pOptions);
}
return code;
}
static int32_t checkCreateDatabase(STranslateContext* pCxt, SCreateDatabaseStmt* pStmt) {
return checkDatabaseOptions(pCxt, pStmt->dbName, pStmt->pOptions);
}
typedef int32_t (*FSerializeFunc)(void* pBuf, int32_t bufLen, void* pReq);
static int32_t buildCmdMsg(STranslateContext* pCxt, int16_t msgType, FSerializeFunc func, void* pReq) {
pCxt->pCmdMsg = taosMemoryMalloc(sizeof(SCmdMsgInfo));
if (NULL == pCxt->pCmdMsg) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pCxt->pCmdMsg->epSet = pCxt->pParseCxt->mgmtEpSet;
pCxt->pCmdMsg->msgType = msgType;
pCxt->pCmdMsg->msgLen = func(NULL, 0, pReq);
pCxt->pCmdMsg->pMsg = taosMemoryMalloc(pCxt->pCmdMsg->msgLen);
if (NULL == pCxt->pCmdMsg->pMsg) {
return TSDB_CODE_OUT_OF_MEMORY;
}
func(pCxt->pCmdMsg->pMsg, pCxt->pCmdMsg->msgLen, pReq);
return TSDB_CODE_SUCCESS;
}
static int32_t translateCreateDatabase(STranslateContext* pCxt, SCreateDatabaseStmt* pStmt) {
SCreateDbReq createReq = {0};
int32_t code = checkCreateDatabase(pCxt, pStmt);
if (TSDB_CODE_SUCCESS == code) {
code = buildCreateDbReq(pCxt, pStmt, &createReq);
}
if (TSDB_CODE_SUCCESS == code) {
code = buildCmdMsg(pCxt, TDMT_MND_CREATE_DB, (FSerializeFunc)tSerializeSCreateDbReq, &createReq);
}
return code;
}
static int32_t translateDropDatabase(STranslateContext* pCxt, SDropDatabaseStmt* pStmt) {
SDropDbReq dropReq = {0};
SName name = {0};
tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->dbName, strlen(pStmt->dbName));
tNameGetFullDbName(&name, dropReq.db);
dropReq.ignoreNotExists = pStmt->ignoreNotExists;
return buildCmdMsg(pCxt, TDMT_MND_DROP_DB, (FSerializeFunc)tSerializeSDropDbReq, &dropReq);
}
static void buildAlterDbReq(STranslateContext* pCxt, SAlterDatabaseStmt* pStmt, SAlterDbReq* pReq) {
SName name = {0};
tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->dbName, strlen(pStmt->dbName));
tNameGetFullDbName(&name, pReq->db);
pReq->buffer = pStmt->pOptions->buffer;
pReq->pageSize = -1;
pReq->pages = pStmt->pOptions->pages;
pReq->daysPerFile = -1;
pReq->daysToKeep0 = pStmt->pOptions->keep[0];
pReq->daysToKeep1 = pStmt->pOptions->keep[1];
pReq->daysToKeep2 = pStmt->pOptions->keep[2];
pReq->fsyncPeriod = pStmt->pOptions->fsyncPeriod;
pReq->walLevel = pStmt->pOptions->walLevel;
pReq->strict = pStmt->pOptions->strict;
pReq->cacheLastRow = pStmt->pOptions->cachelast;
pReq->replications = pStmt->pOptions->replica;
return;
}
static int32_t translateAlterDatabase(STranslateContext* pCxt, SAlterDatabaseStmt* pStmt) {
int32_t code = checkDatabaseOptions(pCxt, pStmt->dbName, pStmt->pOptions);
if (TSDB_CODE_SUCCESS != code) {
return code;
}
SAlterDbReq alterReq = {0};
buildAlterDbReq(pCxt, pStmt, &alterReq);
return buildCmdMsg(pCxt, TDMT_MND_ALTER_DB, (FSerializeFunc)tSerializeSAlterDbReq, &alterReq);
}
static int32_t calcTypeBytes(SDataType dt) {
if (TSDB_DATA_TYPE_BINARY == dt.type) {
return dt.bytes + VARSTR_HEADER_SIZE;
} else if (TSDB_DATA_TYPE_NCHAR == dt.type) {
return dt.bytes * TSDB_NCHAR_SIZE + VARSTR_HEADER_SIZE;
} else {
return dt.bytes;
}
}
static int32_t columnDefNodeToField(SNodeList* pList, SArray** pArray) {
*pArray = taosArrayInit(LIST_LENGTH(pList), sizeof(SField));
SNode* pNode;
FOREACH(pNode, pList) {
SColumnDefNode* pCol = (SColumnDefNode*)pNode;
SField field = {.type = pCol->dataType.type, .bytes = calcTypeBytes(pCol->dataType)};
strcpy(field.name, pCol->colName);
if (pCol->sma) {
field.flags |= SCHEMA_SMA_ON;
}
taosArrayPush(*pArray, &field);
}
return TSDB_CODE_SUCCESS;
}
static SColumnDefNode* findColDef(SNodeList* pCols, const SColumnNode* pCol) {
SNode* pColDef = NULL;
FOREACH(pColDef, pCols) {
if (0 == strcmp(pCol->colName, ((SColumnDefNode*)pColDef)->colName)) {
return (SColumnDefNode*)pColDef;
}
}
return NULL;
}
static int32_t checTableFactorOption(STranslateContext* pCxt, float val) {
if (val < TSDB_MIN_ROLLUP_FILE_FACTOR || val > TSDB_MAX_ROLLUP_FILE_FACTOR) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_F_RANGE_OPTION, "file_factor", val,
TSDB_MIN_ROLLUP_FILE_FACTOR, TSDB_MAX_ROLLUP_FILE_FACTOR);
}
return TSDB_CODE_SUCCESS;
}
static int32_t checkTableSmaOption(STranslateContext* pCxt, SCreateTableStmt* pStmt) {
if (NULL != pStmt->pOptions->pSma) {
SNode* pNode = NULL;
FOREACH(pNode, pStmt->pCols) { ((SColumnDefNode*)pNode)->sma = false; }
FOREACH(pNode, pStmt->pOptions->pSma) {
SColumnNode* pSmaCol = (SColumnNode*)pNode;
SColumnDefNode* pColDef = findColDef(pStmt->pCols, pSmaCol);
if (NULL == pColDef) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_COLUMN, pSmaCol->colName);
}
pSmaCol->node.resType = pColDef->dataType;
pColDef->sma = true;
}
}
return TSDB_CODE_SUCCESS;
}
static int32_t checkTableRollupOption(STranslateContext* pCxt, SNodeList* pFuncs) {
if (NULL == pFuncs) {
return TSDB_CODE_SUCCESS;
}
if (1 != LIST_LENGTH(pFuncs)) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ROLLUP_OPTION);
}
return TSDB_CODE_SUCCESS;
}
static int32_t checkTableTagsSchema(STranslateContext* pCxt, SHashObj* pHash, SNodeList* pTags) {
int32_t ntags = LIST_LENGTH(pTags);
if (0 == ntags) {
return TSDB_CODE_SUCCESS;
} else if (ntags > TSDB_MAX_TAGS) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TAGS_NUM);
}
int32_t code = TSDB_CODE_SUCCESS;
int32_t tagsSize = 0;
SNode* pNode = NULL;
FOREACH(pNode, pTags) {
SColumnDefNode* pTag = (SColumnDefNode*)pNode;
int32_t len = strlen(pTag->colName);
if (NULL != taosHashGet(pHash, pTag->colName, len)) {
code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_DUPLICATED_COLUMN);
}
if (TSDB_CODE_SUCCESS == code && pTag->dataType.type == TSDB_DATA_TYPE_JSON && ntags > 1) {
code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_ONLY_ONE_JSON_TAG);
}
if (TSDB_CODE_SUCCESS == code) {
if ((TSDB_DATA_TYPE_VARCHAR == pTag->dataType.type && pTag->dataType.bytes > TSDB_MAX_BINARY_LEN) ||
(TSDB_DATA_TYPE_NCHAR == pTag->dataType.type && pTag->dataType.bytes > TSDB_MAX_NCHAR_LEN)) {
code = code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_VAR_COLUMN_LEN);
}
}
if (TSDB_CODE_SUCCESS == code) {
code = taosHashPut(pHash, pTag->colName, len, &pTag, POINTER_BYTES);
}
if (TSDB_CODE_SUCCESS == code) {
tagsSize += pTag->dataType.bytes;
} else {
break;
}
}
if (TSDB_CODE_SUCCESS == code && tagsSize > TSDB_MAX_TAGS_LEN) {
code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TAGS_LENGTH, TSDB_MAX_TAGS_LEN);
}
return code;
}
static int32_t checkTableColsSchema(STranslateContext* pCxt, SHashObj* pHash, SNodeList* pCols) {
int32_t ncols = LIST_LENGTH(pCols);
if (ncols < TSDB_MIN_COLUMNS) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_COLUMNS_NUM);
} else if (ncols > TSDB_MAX_COLUMNS) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_TOO_MANY_COLUMNS);
}
int32_t code = TSDB_CODE_SUCCESS;
bool first = true;
int32_t rowSize = 0;
SNode* pNode = NULL;
FOREACH(pNode, pCols) {
SColumnDefNode* pCol = (SColumnDefNode*)pNode;
if (first) {
first = false;
if (TSDB_DATA_TYPE_TIMESTAMP != pCol->dataType.type) {
code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_FIRST_COLUMN);
}
}
int32_t len = strlen(pCol->colName);
if (TSDB_CODE_SUCCESS == code && NULL != taosHashGet(pHash, pCol->colName, len)) {
code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_DUPLICATED_COLUMN);
}
if (TSDB_CODE_SUCCESS == code) {
if ((TSDB_DATA_TYPE_VARCHAR == pCol->dataType.type && calcTypeBytes(pCol->dataType) > TSDB_MAX_BINARY_LEN) ||
(TSDB_DATA_TYPE_NCHAR == pCol->dataType.type && calcTypeBytes(pCol->dataType) > TSDB_MAX_NCHAR_LEN)) {
code = code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_VAR_COLUMN_LEN);
}
}
if (TSDB_CODE_SUCCESS == code) {
code = taosHashPut(pHash, pCol->colName, len, &pCol, POINTER_BYTES);
}
if (TSDB_CODE_SUCCESS == code) {
rowSize += pCol->dataType.bytes;
} else {
break;
}
}
if (TSDB_CODE_SUCCESS == code && rowSize > TSDB_MAX_BYTES_PER_ROW) {
code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ROW_LENGTH, TSDB_MAX_BYTES_PER_ROW);
}
return code;
}
static int32_t checkTableSchema(STranslateContext* pCxt, SCreateTableStmt* pStmt) {
SHashObj* pHash = taosHashInit(LIST_LENGTH(pStmt->pTags) + LIST_LENGTH(pStmt->pCols),
taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), false, HASH_NO_LOCK);
if (NULL == pHash) {
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t code = checkTableTagsSchema(pCxt, pHash, pStmt->pTags);
if (TSDB_CODE_SUCCESS == code) {
code = checkTableColsSchema(pCxt, pHash, pStmt->pCols);
}
taosHashCleanup(pHash);
return code;
}
static int32_t checkCreateTable(STranslateContext* pCxt, SCreateTableStmt* pStmt) {
int32_t code = checkRangeOption(pCxt, "delay", pStmt->pOptions->delay, TSDB_MIN_ROLLUP_DELAY, TSDB_MAX_ROLLUP_DELAY);
if (TSDB_CODE_SUCCESS == code) {
code = checTableFactorOption(pCxt, pStmt->pOptions->filesFactor);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkTableRollupOption(pCxt, pStmt->pOptions->pRollupFuncs);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkRangeOption(pCxt, "ttl", pStmt->pOptions->ttl, TSDB_MIN_TABLE_TTL, INT32_MAX);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkTableSmaOption(pCxt, pStmt);
}
if (TSDB_CODE_SUCCESS == code) {
code = checkTableSchema(pCxt, pStmt);
}
return code;
}
static void toSchema(const SColumnDefNode* pCol, col_id_t colId, SSchema* pSchema) {
int8_t flags = 0;
if (pCol->sma) {
flags |= SCHEMA_SMA_ON;
}
pSchema->colId = colId;
pSchema->type = pCol->dataType.type;
pSchema->bytes = calcTypeBytes(pCol->dataType);
pSchema->flags = flags;
strcpy(pSchema->name, pCol->colName);
}
typedef struct SSampleAstInfo {
const char* pDbName;
const char* pTableName;
SNodeList* pFuncs;
SNode* pInterval;
SNode* pOffset;
SNode* pSliding;
STableMeta* pRollupTableMeta;
} SSampleAstInfo;
static int32_t buildSampleAst(STranslateContext* pCxt, SSampleAstInfo* pInfo, char** pAst, int32_t* pLen) {
SSelectStmt* pSelect = nodesMakeNode(QUERY_NODE_SELECT_STMT);
if (NULL == pSelect) {
return TSDB_CODE_OUT_OF_MEMORY;
}
sprintf(pSelect->stmtName, "%p", pSelect);
SRealTableNode* pTable = nodesMakeNode(QUERY_NODE_REAL_TABLE);
if (NULL == pTable) {
nodesDestroyNode(pSelect);
return TSDB_CODE_OUT_OF_MEMORY;
}
strcpy(pTable->table.dbName, pInfo->pDbName);
strcpy(pTable->table.tableName, pInfo->pTableName);
TSWAP(pTable->pMeta, pInfo->pRollupTableMeta);
pSelect->pFromTable = (SNode*)pTable;
TSWAP(pSelect->pProjectionList, pInfo->pFuncs);
SFunctionNode* pFunc = nodesMakeNode(QUERY_NODE_FUNCTION);
if (NULL == pSelect->pProjectionList || NULL == pFunc) {
nodesDestroyNode(pSelect);
return TSDB_CODE_OUT_OF_MEMORY;
}
strcpy(pFunc->functionName, "_wstartts");
nodesListPushFront(pSelect->pProjectionList, pFunc);
SNode* pProject = NULL;
FOREACH(pProject, pSelect->pProjectionList) { sprintf(((SExprNode*)pProject)->aliasName, "#%p", pProject); }
SIntervalWindowNode* pInterval = nodesMakeNode(QUERY_NODE_INTERVAL_WINDOW);
if (NULL == pInterval) {
nodesDestroyNode(pSelect);
return TSDB_CODE_OUT_OF_MEMORY;
}
pSelect->pWindow = (SNode*)pInterval;
TSWAP(pInterval->pInterval, pInfo->pInterval);
TSWAP(pInterval->pOffset, pInfo->pOffset);
TSWAP(pInterval->pSliding, pInfo->pSliding);
pInterval->pCol = nodesMakeNode(QUERY_NODE_COLUMN);
if (NULL == pInterval->pCol) {
nodesDestroyNode(pSelect);
return TSDB_CODE_OUT_OF_MEMORY;
}
((SColumnNode*)pInterval->pCol)->colId = PRIMARYKEY_TIMESTAMP_COL_ID;
strcpy(((SColumnNode*)pInterval->pCol)->colName, PK_TS_COL_INTERNAL_NAME);
int32_t code = translateQuery(pCxt, (SNode*)pSelect);
if (TSDB_CODE_SUCCESS == code) {
code = nodesNodeToString(pSelect, false, pAst, pLen);
}
nodesDestroyNode(pSelect);
return code;
}
static void clearSampleAstInfo(SSampleAstInfo* pInfo) {
nodesDestroyList(pInfo->pFuncs);
nodesDestroyNode(pInfo->pInterval);
nodesDestroyNode(pInfo->pOffset);
nodesDestroyNode(pInfo->pSliding);
}
static SNode* makeIntervalVal(SRetention* pRetension, int8_t precision) {
SValueNode* pVal = nodesMakeNode(QUERY_NODE_VALUE);
if (NULL == pVal) {
return NULL;
}
int64_t timeVal = convertTimeFromPrecisionToUnit(pRetension->freq, precision, pRetension->freqUnit);
char buf[20] = {0};
int32_t len = snprintf(buf, sizeof(buf), "%" PRId64 "%c", timeVal, pRetension->freqUnit);
pVal->literal = strndup(buf, len);
if (NULL == pVal->literal) {
nodesDestroyNode(pVal);
return NULL;
}
pVal->isDuration = true;
pVal->node.resType.type = TSDB_DATA_TYPE_BIGINT;
pVal->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_BIGINT].bytes;
pVal->node.resType.precision = precision;
return (SNode*)pVal;
}
static SNode* createColumnFromDef(SColumnDefNode* pDef) {
SColumnNode* pCol = nodesMakeNode(QUERY_NODE_COLUMN);
if (NULL == pCol) {
return NULL;
}
strcpy(pCol->colName, pDef->colName);
return (SNode*)pCol;
}
static SNode* createRollupFunc(SNode* pSrcFunc, SColumnDefNode* pColDef) {
SFunctionNode* pFunc = nodesCloneNode(pSrcFunc);
if (NULL == pFunc) {
return NULL;
}
if (TSDB_CODE_SUCCESS != nodesListMakeStrictAppend(&pFunc->pParameterList, createColumnFromDef(pColDef))) {
nodesDestroyNode(pFunc);
return NULL;
}
return (SNode*)pFunc;
}
static SNodeList* createRollupFuncs(SCreateTableStmt* pStmt) {
SNodeList* pFuncs = nodesMakeList();
if (NULL == pFuncs) {
return NULL;
}
SNode* pFunc = NULL;
FOREACH(pFunc, pStmt->pOptions->pRollupFuncs) {
SNode* pCol = NULL;
bool primaryKey = true;
FOREACH(pCol, pStmt->pCols) {
if (primaryKey) {
primaryKey = false;
continue;
}
if (TSDB_CODE_SUCCESS != nodesListStrictAppend(pFuncs, createRollupFunc(pFunc, (SColumnDefNode*)pCol))) {
nodesDestroyList(pFuncs);
return NULL;
}
}
}
return pFuncs;
}
static STableMeta* createRollupTableMeta(SCreateTableStmt* pStmt, int8_t precision) {
int32_t numOfField = LIST_LENGTH(pStmt->pCols) + LIST_LENGTH(pStmt->pTags);
STableMeta* pMeta = taosMemoryCalloc(1, sizeof(STableMeta) + numOfField * sizeof(SSchema));
if (NULL == pMeta) {
return NULL;
}
pMeta->tableType = TSDB_SUPER_TABLE;
pMeta->tableInfo.numOfTags = LIST_LENGTH(pStmt->pTags);
pMeta->tableInfo.precision = precision;
pMeta->tableInfo.numOfColumns = LIST_LENGTH(pStmt->pCols);
int32_t index = 0;
SNode* pCol = NULL;
FOREACH(pCol, pStmt->pCols) {
toSchema((SColumnDefNode*)pCol, index + 1, pMeta->schema + index);
++index;
}
SNode* pTag = NULL;
FOREACH(pTag, pStmt->pTags) {
toSchema((SColumnDefNode*)pTag, index + 1, pMeta->schema + index);
++index;
}
return pMeta;
}
static int32_t buildSampleAstInfoByTable(STranslateContext* pCxt, SCreateTableStmt* pStmt, SRetention* pRetension,
int8_t precision, SSampleAstInfo* pInfo) {
pInfo->pDbName = pStmt->dbName;
pInfo->pTableName = pStmt->tableName;
pInfo->pFuncs = createRollupFuncs(pStmt);
pInfo->pInterval = makeIntervalVal(pRetension, precision);
pInfo->pRollupTableMeta = createRollupTableMeta(pStmt, precision);
if (NULL == pInfo->pFuncs || NULL == pInfo->pInterval || NULL == pInfo->pRollupTableMeta) {
return TSDB_CODE_OUT_OF_MEMORY;
}
return TSDB_CODE_SUCCESS;
}
static int32_t getRollupAst(STranslateContext* pCxt, SCreateTableStmt* pStmt, SRetention* pRetension, int8_t precision,
char** pAst, int32_t* pLen) {
SSampleAstInfo info = {0};
int32_t code = buildSampleAstInfoByTable(pCxt, pStmt, pRetension, precision, &info);
if (TSDB_CODE_SUCCESS == code) {
code = buildSampleAst(pCxt, &info, pAst, pLen);
}
clearSampleAstInfo(&info);
return code;
}
static int32_t buildRollupAst(STranslateContext* pCxt, SCreateTableStmt* pStmt, SMCreateStbReq* pReq) {
SDbCfgInfo dbCfg = {0};
int32_t code = getDBCfg(pCxt, pStmt->dbName, &dbCfg);
int32_t num = taosArrayGetSize(dbCfg.pRetensions);
if (TSDB_CODE_SUCCESS != code || num < 2) {
return code;
}
for (int32_t i = 1; i < num; ++i) {
SRetention* pRetension = taosArrayGet(dbCfg.pRetensions, i);
STranslateContext cxt = {0};
initTranslateContext(pCxt->pParseCxt, &cxt);
code = getRollupAst(&cxt, pStmt, pRetension, dbCfg.precision, 1 == i ? &pReq->pAst1 : &pReq->pAst2,
1 == i ? &pReq->ast1Len : &pReq->ast2Len);
destroyTranslateContext(&cxt);
if (TSDB_CODE_SUCCESS != code) {
break;
}
}
return code;
}
static int32_t buildCreateStbReq(STranslateContext* pCxt, SCreateTableStmt* pStmt, SMCreateStbReq* pReq) {
pReq->igExists = pStmt->ignoreExists;
pReq->xFilesFactor = pStmt->pOptions->filesFactor;
pReq->delay = pStmt->pOptions->delay;
columnDefNodeToField(pStmt->pCols, &pReq->pColumns);
columnDefNodeToField(pStmt->pTags, &pReq->pTags);
pReq->numOfColumns = LIST_LENGTH(pStmt->pCols);
pReq->numOfTags = LIST_LENGTH(pStmt->pTags);
SName tableName;
tNameExtractFullName(toName(pCxt->pParseCxt->acctId, pStmt->dbName, pStmt->tableName, &tableName), pReq->name);
return buildRollupAst(pCxt, pStmt, pReq);
}
static int32_t translateCreateSuperTable(STranslateContext* pCxt, SCreateTableStmt* pStmt) {
SMCreateStbReq createReq = {0};
int32_t code = checkCreateTable(pCxt, pStmt);
if (TSDB_CODE_SUCCESS == code) {
code = buildCreateStbReq(pCxt, pStmt, &createReq);
}
if (TSDB_CODE_SUCCESS == code) {
code = buildCmdMsg(pCxt, TDMT_MND_CREATE_STB, (FSerializeFunc)tSerializeSMCreateStbReq, &createReq);
}
tFreeSMCreateStbReq(&createReq);
return code;
}
static int32_t doTranslateDropSuperTable(STranslateContext* pCxt, const SName* pTableName, bool ignoreNotExists) {
SMDropStbReq dropReq = {0};
tNameExtractFullName(pTableName, dropReq.name);
dropReq.igNotExists = ignoreNotExists;
return buildCmdMsg(pCxt, TDMT_MND_DROP_STB, (FSerializeFunc)tSerializeSMDropStbReq, &dropReq);
}
static int32_t translateDropTable(STranslateContext* pCxt, SDropTableStmt* pStmt) {
SDropTableClause* pClause = nodesListGetNode(pStmt->pTables, 0);
STableMeta* pTableMeta = NULL;
SName tableName;
int32_t code = getTableMetaImpl(
pCxt, toName(pCxt->pParseCxt->acctId, pClause->dbName, pClause->tableName, &tableName), &pTableMeta);
if ((TSDB_CODE_PAR_TABLE_NOT_EXIST == code || TSDB_CODE_VND_TB_NOT_EXIST == code) && pClause->ignoreNotExists) {
return TSDB_CODE_SUCCESS;
}
if (TSDB_CODE_SUCCESS == code) {
if (TSDB_SUPER_TABLE == pTableMeta->tableType) {
code = doTranslateDropSuperTable(pCxt, &tableName, pClause->ignoreNotExists);
} else {
// todo : drop normal table or child table
code = TSDB_CODE_FAILED;
}
taosMemoryFreeClear(pTableMeta);
}
return code;
}
static int32_t translateDropSuperTable(STranslateContext* pCxt, SDropSuperTableStmt* pStmt) {
SName tableName;
return doTranslateDropSuperTable(pCxt, toName(pCxt->pParseCxt->acctId, pStmt->dbName, pStmt->tableName, &tableName),
pStmt->ignoreNotExists);
}
static int32_t setAlterTableField(SAlterTableStmt* pStmt, SMAlterStbReq* pAlterReq) {
pAlterReq->pFields = taosArrayInit(2, sizeof(TAOS_FIELD));
if (NULL == pAlterReq->pFields) {
return TSDB_CODE_OUT_OF_MEMORY;
}
switch (pStmt->alterType) {
case TSDB_ALTER_TABLE_ADD_TAG:
case TSDB_ALTER_TABLE_DROP_TAG:
case TSDB_ALTER_TABLE_ADD_COLUMN:
case TSDB_ALTER_TABLE_DROP_COLUMN:
case TSDB_ALTER_TABLE_UPDATE_COLUMN_BYTES:
case TSDB_ALTER_TABLE_UPDATE_TAG_BYTES: {
TAOS_FIELD field = {.type = pStmt->dataType.type, .bytes = pStmt->dataType.bytes};
strcpy(field.name, pStmt->colName);
taosArrayPush(pAlterReq->pFields, &field);
break;
}
case TSDB_ALTER_TABLE_UPDATE_TAG_NAME:
case TSDB_ALTER_TABLE_UPDATE_COLUMN_NAME: {
TAOS_FIELD oldField = {0};
strcpy(oldField.name, pStmt->colName);
taosArrayPush(pAlterReq->pFields, &oldField);
TAOS_FIELD newField = {0};
strcpy(oldField.name, pStmt->newColName);
taosArrayPush(pAlterReq->pFields, &newField);
break;
}
default:
break;
}
pAlterReq->numOfFields = taosArrayGetSize(pAlterReq->pFields);
return TSDB_CODE_SUCCESS;
}
static int32_t translateAlterTable(STranslateContext* pCxt, SAlterTableStmt* pStmt) {
SMAlterStbReq alterReq = {0};
SName tableName;
tNameExtractFullName(toName(pCxt->pParseCxt->acctId, pStmt->dbName, pStmt->tableName, &tableName), alterReq.name);
alterReq.alterType = pStmt->alterType;
if (TSDB_ALTER_TABLE_UPDATE_OPTIONS == pStmt->alterType || TSDB_ALTER_TABLE_UPDATE_TAG_VAL == pStmt->alterType) {
return TSDB_CODE_FAILED;
} else {
if (TSDB_CODE_SUCCESS != setAlterTableField(pStmt, &alterReq)) {
return TSDB_CODE_OUT_OF_MEMORY;
}
}
return buildCmdMsg(pCxt, TDMT_MND_ALTER_STB, (FSerializeFunc)tSerializeSMAlterStbReq, &alterReq);
}
static int32_t translateUseDatabase(STranslateContext* pCxt, SUseDatabaseStmt* pStmt) {
SUseDbReq usedbReq = {0};
SName name = {0};
tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->dbName, strlen(pStmt->dbName));
tNameExtractFullName(&name, usedbReq.db);
int32_t code = getDBVgVersion(pCxt, usedbReq.db, &usedbReq.vgVersion, &usedbReq.dbId, &usedbReq.numOfTable);
if (TSDB_CODE_SUCCESS == code) {
code = buildCmdMsg(pCxt, TDMT_MND_USE_DB, (FSerializeFunc)tSerializeSUseDbReq, &usedbReq);
}
return code;
}
static int32_t translateCreateUser(STranslateContext* pCxt, SCreateUserStmt* pStmt) {
SCreateUserReq createReq = {0};
strcpy(createReq.user, pStmt->useName);
createReq.createType = 0;
createReq.superUser = 0;
strcpy(createReq.pass, pStmt->password);
return buildCmdMsg(pCxt, TDMT_MND_CREATE_USER, (FSerializeFunc)tSerializeSCreateUserReq, &createReq);
}
static int32_t translateAlterUser(STranslateContext* pCxt, SAlterUserStmt* pStmt) {
SAlterUserReq alterReq = {0};
strcpy(alterReq.user, pStmt->useName);
alterReq.alterType = pStmt->alterType;
alterReq.superUser = 0;
strcpy(alterReq.pass, pStmt->password);
if (NULL != pCxt->pParseCxt->db) {
strcpy(alterReq.dbname, pCxt->pParseCxt->db);
}
return buildCmdMsg(pCxt, TDMT_MND_ALTER_USER, (FSerializeFunc)tSerializeSAlterUserReq, &alterReq);
}
static int32_t translateDropUser(STranslateContext* pCxt, SDropUserStmt* pStmt) {
SDropUserReq dropReq = {0};
strcpy(dropReq.user, pStmt->useName);
return buildCmdMsg(pCxt, TDMT_MND_DROP_USER, (FSerializeFunc)tSerializeSDropUserReq, &dropReq);
}
static int32_t translateCreateDnode(STranslateContext* pCxt, SCreateDnodeStmt* pStmt) {
SCreateDnodeReq createReq = {0};
strcpy(createReq.fqdn, pStmt->fqdn);
createReq.port = pStmt->port;
return buildCmdMsg(pCxt, TDMT_MND_CREATE_DNODE, (FSerializeFunc)tSerializeSCreateDnodeReq, &createReq);
}
static int32_t translateDropDnode(STranslateContext* pCxt, SDropDnodeStmt* pStmt) {
SDropDnodeReq dropReq = {0};
dropReq.dnodeId = pStmt->dnodeId;
strcpy(dropReq.fqdn, pStmt->fqdn);
dropReq.port = pStmt->port;
return buildCmdMsg(pCxt, TDMT_MND_DROP_DNODE, (FSerializeFunc)tSerializeSDropDnodeReq, &dropReq);
}
static int32_t translateAlterDnode(STranslateContext* pCxt, SAlterDnodeStmt* pStmt) {
SMCfgDnodeReq cfgReq = {0};
cfgReq.dnodeId = pStmt->dnodeId;
strcpy(cfgReq.config, pStmt->config);
strcpy(cfgReq.value, pStmt->value);
return buildCmdMsg(pCxt, TDMT_MND_CONFIG_DNODE, (FSerializeFunc)tSerializeSMCfgDnodeReq, &cfgReq);
}
static int32_t nodeTypeToShowType(ENodeType nt) {
switch (nt) {
case QUERY_NODE_SHOW_CONNECTIONS_STMT:
return TSDB_MGMT_TABLE_CONNS;
case QUERY_NODE_SHOW_LICENCE_STMT:
return TSDB_MGMT_TABLE_GRANTS;
case QUERY_NODE_SHOW_QUERIES_STMT:
return TSDB_MGMT_TABLE_QUERIES;
case QUERY_NODE_SHOW_VARIABLE_STMT:
return 0; // todo
default:
break;
}
return 0;
}
static int32_t translateShow(STranslateContext* pCxt, SShowStmt* pStmt) {
SShowReq showReq = {.type = nodeTypeToShowType(nodeType(pStmt))};
return buildCmdMsg(pCxt, TDMT_MND_SHOW, (FSerializeFunc)tSerializeSShowReq, &showReq);
}
static int32_t getSmaIndexDstVgId(STranslateContext* pCxt, char* pTableName, int32_t* pVgId) {
SVgroupInfo vg = {0};
int32_t code = getTableHashVgroup(pCxt, pCxt->pParseCxt->db, pTableName, &vg);
if (TSDB_CODE_SUCCESS == code) {
*pVgId = vg.vgId;
}
return code;
}
static int32_t getSmaIndexSql(STranslateContext* pCxt, char** pSql, int32_t* pLen) {
*pSql = strdup(pCxt->pParseCxt->pSql);
if (NULL == *pSql) {
return TSDB_CODE_OUT_OF_MEMORY;
}
*pLen = pCxt->pParseCxt->sqlLen + 1;
return TSDB_CODE_SUCCESS;
}
static int32_t getSmaIndexExpr(STranslateContext* pCxt, SCreateIndexStmt* pStmt, char** pExpr, int32_t* pLen) {
return nodesListToString(pStmt->pOptions->pFuncs, false, pExpr, pLen);
}
static int32_t buildSampleAstInfoByIndex(STranslateContext* pCxt, SCreateIndexStmt* pStmt, SSampleAstInfo* pInfo) {
pInfo->pDbName = pCxt->pParseCxt->db;
pInfo->pTableName = pStmt->tableName;
pInfo->pFuncs = nodesCloneList(pStmt->pOptions->pFuncs);
pInfo->pInterval = nodesCloneNode(pStmt->pOptions->pInterval);
pInfo->pOffset = nodesCloneNode(pStmt->pOptions->pOffset);
pInfo->pSliding = nodesCloneNode(pStmt->pOptions->pSliding);
if (NULL == pInfo->pFuncs || NULL == pInfo->pInterval ||
(NULL != pStmt->pOptions->pOffset && NULL == pInfo->pOffset) ||
(NULL != pStmt->pOptions->pSliding && NULL == pInfo->pSliding)) {
return TSDB_CODE_OUT_OF_MEMORY;
}
return TSDB_CODE_SUCCESS;
}
static int32_t getSmaIndexAst(STranslateContext* pCxt, SCreateIndexStmt* pStmt, char** pAst, int32_t* pLen) {
SSampleAstInfo info = {0};
int32_t code = buildSampleAstInfoByIndex(pCxt, pStmt, &info);
if (TSDB_CODE_SUCCESS == code) {
code = buildSampleAst(pCxt, &info, pAst, pLen);
}
clearSampleAstInfo(&info);
return code;
}
static int32_t buildCreateSmaReq(STranslateContext* pCxt, SCreateIndexStmt* pStmt, SMCreateSmaReq* pReq) {
SName name;
tNameExtractFullName(toName(pCxt->pParseCxt->acctId, pCxt->pParseCxt->db, pStmt->indexName, &name), pReq->name);
strcpy(name.tname, pStmt->tableName);
name.tname[strlen(pStmt->tableName)] = '\0';
tNameExtractFullName(&name, pReq->stb);
pReq->igExists = pStmt->ignoreExists;
pReq->interval = ((SValueNode*)pStmt->pOptions->pInterval)->datum.i;
pReq->intervalUnit = ((SValueNode*)pStmt->pOptions->pInterval)->unit;
pReq->offset = (NULL != pStmt->pOptions->pOffset ? ((SValueNode*)pStmt->pOptions->pOffset)->datum.i : 0);
pReq->sliding =
(NULL != pStmt->pOptions->pSliding ? ((SValueNode*)pStmt->pOptions->pSliding)->datum.i : pReq->interval);
pReq->slidingUnit =
(NULL != pStmt->pOptions->pSliding ? ((SValueNode*)pStmt->pOptions->pSliding)->unit : pReq->intervalUnit);
int32_t code = getSmaIndexDstVgId(pCxt, pStmt->tableName, &pReq->dstVgId);
if (TSDB_CODE_SUCCESS == code) {
code = getSmaIndexSql(pCxt, &pReq->sql, &pReq->sqlLen);
}
if (TSDB_CODE_SUCCESS == code) {
code = getSmaIndexExpr(pCxt, pStmt, &pReq->expr, &pReq->exprLen);
}
if (TSDB_CODE_SUCCESS == code) {
code = getSmaIndexAst(pCxt, pStmt, &pReq->ast, &pReq->astLen);
}
return code;
}
static int32_t translateCreateSmaIndex(STranslateContext* pCxt, SCreateIndexStmt* pStmt) {
if (DEAL_RES_ERROR == translateValue(pCxt, (SValueNode*)pStmt->pOptions->pInterval) ||
(NULL != pStmt->pOptions->pOffset &&
DEAL_RES_ERROR == translateValue(pCxt, (SValueNode*)pStmt->pOptions->pOffset)) ||
(NULL != pStmt->pOptions->pSliding &&
DEAL_RES_ERROR == translateValue(pCxt, (SValueNode*)pStmt->pOptions->pSliding))) {
return pCxt->errCode;
}
SMCreateSmaReq createSmaReq = {0};
int32_t code = buildCreateSmaReq(pCxt, pStmt, &createSmaReq);
if (TSDB_CODE_SUCCESS == code) {
code = buildCmdMsg(pCxt, TDMT_MND_CREATE_SMA, (FSerializeFunc)tSerializeSMCreateSmaReq, &createSmaReq);
}
tFreeSMCreateSmaReq(&createSmaReq);
return code;
}
static int32_t buildCreateFullTextReq(STranslateContext* pCxt, SCreateIndexStmt* pStmt, SMCreateFullTextReq* pReq) {
// impl later
return 0;
}
static int32_t translateCreateFullTextIndex(STranslateContext* pCxt, SCreateIndexStmt* pStmt) {
SMCreateFullTextReq createFTReq = {0};
int32_t code = buildCreateFullTextReq(pCxt, pStmt, &createFTReq);
if (TSDB_CODE_SUCCESS == code) {
code = buildCmdMsg(pCxt, TDMT_MND_CREATE_INDEX, (FSerializeFunc)tSerializeSMCreateFullTextReq, &createFTReq);
}
tFreeSMCreateFullTextReq(&createFTReq);
return code;
}
static int32_t translateCreateIndex(STranslateContext* pCxt, SCreateIndexStmt* pStmt) {
if (INDEX_TYPE_SMA == pStmt->indexType) {
return translateCreateSmaIndex(pCxt, pStmt);
} else if (INDEX_TYPE_FULLTEXT == pStmt->indexType) {
return translateCreateFullTextIndex(pCxt, pStmt);
}
return TSDB_CODE_FAILED;
}
static int32_t translateDropIndex(STranslateContext* pCxt, SDropIndexStmt* pStmt) {
SVDropTSmaReq dropSmaReq = {0};
strcpy(dropSmaReq.indexName, pStmt->indexName);
pCxt->pCmdMsg = taosMemoryMalloc(sizeof(SCmdMsgInfo));
if (NULL == pCxt->pCmdMsg) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pCxt->pCmdMsg->epSet = pCxt->pParseCxt->mgmtEpSet;
pCxt->pCmdMsg->msgType = TDMT_VND_DROP_SMA;
pCxt->pCmdMsg->msgLen = tSerializeSVDropTSmaReq(NULL, &dropSmaReq);
pCxt->pCmdMsg->pMsg = taosMemoryMalloc(pCxt->pCmdMsg->msgLen);
if (NULL == pCxt->pCmdMsg->pMsg) {
return TSDB_CODE_OUT_OF_MEMORY;
}
void* pBuf = pCxt->pCmdMsg->pMsg;
tSerializeSVDropTSmaReq(&pBuf, &dropSmaReq);
return TSDB_CODE_SUCCESS;
}
static int16_t getCreateComponentNodeMsgType(ENodeType type) {
switch (type) {
case QUERY_NODE_CREATE_QNODE_STMT:
return TDMT_MND_CREATE_QNODE;
case QUERY_NODE_CREATE_BNODE_STMT:
return TDMT_MND_CREATE_BNODE;
case QUERY_NODE_CREATE_SNODE_STMT:
return TDMT_MND_CREATE_SNODE;
case QUERY_NODE_CREATE_MNODE_STMT:
return TDMT_MND_CREATE_MNODE;
default:
break;
}
return -1;
}
static int32_t translateCreateComponentNode(STranslateContext* pCxt, SCreateComponentNodeStmt* pStmt) {
SMCreateQnodeReq createReq = {.dnodeId = pStmt->dnodeId};
return buildCmdMsg(pCxt, getCreateComponentNodeMsgType(nodeType(pStmt)),
(FSerializeFunc)tSerializeSCreateDropMQSBNodeReq, &createReq);
}
static int16_t getDropComponentNodeMsgType(ENodeType type) {
switch (type) {
case QUERY_NODE_DROP_QNODE_STMT:
return TDMT_MND_DROP_QNODE;
case QUERY_NODE_DROP_BNODE_STMT:
return TDMT_MND_DROP_BNODE;
case QUERY_NODE_DROP_SNODE_STMT:
return TDMT_MND_DROP_SNODE;
case QUERY_NODE_DROP_MNODE_STMT:
return TDMT_MND_DROP_MNODE;
default:
break;
}
return -1;
}
static int32_t translateDropComponentNode(STranslateContext* pCxt, SDropComponentNodeStmt* pStmt) {
SDDropQnodeReq dropReq = {.dnodeId = pStmt->dnodeId};
return buildCmdMsg(pCxt, getDropComponentNodeMsgType(nodeType(pStmt)),
(FSerializeFunc)tSerializeSCreateDropMQSBNodeReq, &dropReq);
}
static int32_t buildCreateTopicReq(STranslateContext* pCxt, SCreateTopicStmt* pStmt, SCMCreateTopicReq* pReq) {
SName name;
tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->topicName, strlen(pStmt->topicName));
tNameGetFullDbName(&name, pReq->name);
/*tNameExtractFullName(toName(pCxt->pParseCxt->acctId, pCxt->pParseCxt->db, pStmt->topicName, &name), pReq->name);*/
pReq->igExists = pStmt->ignoreExists;
pReq->withTbName = pStmt->pOptions->withTable;
pReq->withSchema = pStmt->pOptions->withSchema;
pReq->withTag = pStmt->pOptions->withTag;
pReq->sql = strdup(pCxt->pParseCxt->pSql);
if (NULL == pReq->sql) {
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t code = TSDB_CODE_SUCCESS;
const char* dbName;
if (NULL != pStmt->pQuery) {
dbName = ((SRealTableNode*)(((SSelectStmt*)pStmt->pQuery)->pFromTable))->table.dbName;
pCxt->pParseCxt->topicQuery = true;
code = translateQuery(pCxt, pStmt->pQuery);
if (TSDB_CODE_SUCCESS == code) {
code = nodesNodeToString(pStmt->pQuery, false, &pReq->ast, NULL);
}
} else {
dbName = pStmt->subscribeDbName;
}
tNameSetDbName(&name, pCxt->pParseCxt->acctId, dbName, strlen(dbName));
tNameGetFullDbName(&name, pReq->subscribeDbName);
return code;
}
static int32_t checkCreateTopic(STranslateContext* pCxt, SCreateTopicStmt* pStmt) {
if (NULL == pStmt->pQuery) {
return TSDB_CODE_SUCCESS;
}
if (QUERY_NODE_SELECT_STMT == nodeType(pStmt->pQuery)) {
SSelectStmt* pSelect = (SSelectStmt*)pStmt->pQuery;
if (!pSelect->isDistinct && QUERY_NODE_REAL_TABLE == nodeType(pSelect->pFromTable) &&
NULL == pSelect->pGroupByList && NULL == pSelect->pLimit && NULL == pSelect->pSlimit &&
NULL == pSelect->pOrderByList && NULL == pSelect->pPartitionByList) {
return TSDB_CODE_SUCCESS;
}
}
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TOPIC_QUERY);
}
static int32_t translateCreateTopic(STranslateContext* pCxt, SCreateTopicStmt* pStmt) {
SCMCreateTopicReq createReq = {0};
int32_t code = checkCreateTopic(pCxt, pStmt);
if (TSDB_CODE_SUCCESS == code) {
code = buildCreateTopicReq(pCxt, pStmt, &createReq);
}
if (TSDB_CODE_SUCCESS == code) {
code = buildCmdMsg(pCxt, TDMT_MND_CREATE_TOPIC, (FSerializeFunc)tSerializeSCMCreateTopicReq, &createReq);
}
tFreeSCMCreateTopicReq(&createReq);
return code;
}
static int32_t translateDropTopic(STranslateContext* pCxt, SDropTopicStmt* pStmt) {
SMDropTopicReq dropReq = {0};
SName name;
tNameExtractFullName(toName(pCxt->pParseCxt->acctId, pCxt->pParseCxt->db, pStmt->topicName, &name), dropReq.name);
dropReq.igNotExists = pStmt->ignoreNotExists;
return buildCmdMsg(pCxt, TDMT_MND_DROP_TOPIC, (FSerializeFunc)tSerializeSMDropTopicReq, &dropReq);
}
static int32_t translateAlterLocal(STranslateContext* pCxt, SAlterLocalStmt* pStmt) {
// todo
return TSDB_CODE_SUCCESS;
}
static int32_t translateExplain(STranslateContext* pCxt, SExplainStmt* pStmt) {
if (pStmt->analyze) {
pCxt->pExplainOpt = pStmt->pOptions;
}
return translateQuery(pCxt, pStmt->pQuery);
}
static int32_t translateDescribe(STranslateContext* pCxt, SDescribeStmt* pStmt) {
return getTableMeta(pCxt, pStmt->dbName, pStmt->tableName, &pStmt->pMeta);
}
static int32_t translateKillConnection(STranslateContext* pCxt, SKillStmt* pStmt) {
SKillConnReq killReq = {0};
killReq.connId = pStmt->targetId;
return buildCmdMsg(pCxt, TDMT_MND_KILL_CONN, (FSerializeFunc)tSerializeSKillQueryReq, &killReq);
}
static int32_t translateKillQuery(STranslateContext* pCxt, SKillStmt* pStmt) {
SKillQueryReq killReq = {0};
killReq.queryId = pStmt->targetId;
return buildCmdMsg(pCxt, TDMT_MND_KILL_QUERY, (FSerializeFunc)tSerializeSKillQueryReq, &killReq);
}
static int32_t translateKillTransaction(STranslateContext* pCxt, SKillStmt* pStmt) {
SKillTransReq killReq = {0};
killReq.transId = pStmt->targetId;
return buildCmdMsg(pCxt, TDMT_MND_KILL_TRANS, (FSerializeFunc)tSerializeSKillTransReq, &killReq);
}
static int32_t translateCreateStream(STranslateContext* pCxt, SCreateStreamStmt* pStmt) {
SCMCreateStreamReq createReq = {0};
createReq.igExists = pStmt->ignoreExists;
SName name;
tNameExtractFullName(toName(pCxt->pParseCxt->acctId, pCxt->pParseCxt->db, pStmt->streamName, &name), createReq.name);
if ('\0' != pStmt->targetTabName[0]) {
strcpy(name.dbname, pStmt->targetDbName);
strcpy(name.tname, pStmt->targetTabName);
tNameExtractFullName(&name, createReq.targetStbFullName);
}
int32_t code = translateQuery(pCxt, pStmt->pQuery);
if (TSDB_CODE_SUCCESS == code) {
code = nodesNodeToString(pStmt->pQuery, false, &createReq.ast, NULL);
}
if (TSDB_CODE_SUCCESS == code) {
createReq.sql = strdup(pCxt->pParseCxt->pSql);
if (NULL == createReq.sql) {
code = TSDB_CODE_OUT_OF_MEMORY;
}
}
if (TSDB_CODE_SUCCESS == code && NULL != pStmt->pOptions->pWatermark) {
code = (DEAL_RES_ERROR == translateValue(pCxt, (SValueNode*)pStmt->pOptions->pWatermark)) ? pCxt->errCode
: TSDB_CODE_SUCCESS;
}
if (TSDB_CODE_SUCCESS == code) {
createReq.triggerType = pStmt->pOptions->triggerType;
createReq.watermark =
(NULL != pStmt->pOptions->pWatermark ? ((SValueNode*)pStmt->pOptions->pWatermark)->datum.i : 0);
}
if (TSDB_CODE_SUCCESS == code) {
code = buildCmdMsg(pCxt, TDMT_MND_CREATE_STREAM, (FSerializeFunc)tSerializeSCMCreateStreamReq, &createReq);
}
tFreeSCMCreateStreamReq(&createReq);
return code;
}
static int32_t translateDropStream(STranslateContext* pCxt, SDropStreamStmt* pStmt) {
// todo
return TSDB_CODE_SUCCESS;
}
static int32_t readFromFile(char* pName, int32_t* len, char** buf) {
int64_t filesize = 0;
if (taosStatFile(pName, &filesize, NULL) < 0) {
return TAOS_SYSTEM_ERROR(errno);
}
*len = filesize;
if (*len <= 0) {
return TSDB_CODE_TSC_FILE_EMPTY;
}
*buf = taosMemoryCalloc(1, *len);
if (*buf == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
TdFilePtr tfile = taosOpenFile(pName, O_RDONLY | O_BINARY);
if (NULL == tfile) {
taosMemoryFreeClear(*buf);
return TAOS_SYSTEM_ERROR(errno);
}
int64_t s = taosReadFile(tfile, *buf, *len);
if (s != *len) {
taosCloseFile(&tfile);
taosMemoryFreeClear(*buf);
return TSDB_CODE_TSC_APP_ERROR;
}
taosCloseFile(&tfile);
return TSDB_CODE_SUCCESS;
}
static int32_t translateCreateFunction(STranslateContext* pCxt, SCreateFunctionStmt* pStmt) {
SCreateFuncReq req = {0};
strcpy(req.name, pStmt->funcName);
req.igExists = pStmt->ignoreExists;
req.funcType = pStmt->isAgg ? TSDB_FUNC_TYPE_AGGREGATE : TSDB_FUNC_TYPE_SCALAR;
req.scriptType = TSDB_FUNC_SCRIPT_BIN_LIB;
req.outputType = pStmt->outputDt.type;
req.outputLen = pStmt->outputDt.bytes;
req.bufSize = pStmt->bufSize;
int32_t code = readFromFile(pStmt->libraryPath, &req.codeLen, &req.pCode);
if (TSDB_CODE_SUCCESS == code) {
code = buildCmdMsg(pCxt, TDMT_MND_CREATE_FUNC, (FSerializeFunc)tSerializeSCreateFuncReq, &req);
}
return code;
}
static int32_t translateDropFunction(STranslateContext* pCxt, SDropFunctionStmt* pStmt) {
SDropFuncReq req = {0};
strcpy(req.name, pStmt->funcName);
req.igNotExists = pStmt->ignoreNotExists;
return buildCmdMsg(pCxt, TDMT_MND_DROP_FUNC, (FSerializeFunc)tSerializeSDropFuncReq, &req);
}
static int32_t translateGrant(STranslateContext* pCxt, SGrantStmt* pStmt) {
SAlterUserReq req = {0};
if (PRIVILEGE_TYPE_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_ALL) ||
(PRIVILEGE_TYPE_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_READ) &&
PRIVILEGE_TYPE_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_WRITE))) {
req.alterType = TSDB_ALTER_USER_ADD_ALL_DB;
} else if (PRIVILEGE_TYPE_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_READ)) {
req.alterType = TSDB_ALTER_USER_ADD_READ_DB;
} else if (PRIVILEGE_TYPE_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_WRITE)) {
req.alterType = TSDB_ALTER_USER_ADD_WRITE_DB;
}
strcpy(req.user, pStmt->userName);
sprintf(req.dbname, "%d.%s", pCxt->pParseCxt->acctId, pStmt->dbName);
return buildCmdMsg(pCxt, TDMT_MND_ALTER_USER, (FSerializeFunc)tSerializeSAlterUserReq, &req);
}
static int32_t translateRevoke(STranslateContext* pCxt, SRevokeStmt* pStmt) {
SAlterUserReq req = {0};
if (PRIVILEGE_TYPE_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_ALL) ||
(PRIVILEGE_TYPE_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_READ) &&
PRIVILEGE_TYPE_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_WRITE))) {
req.alterType = TSDB_ALTER_USER_REMOVE_ALL_DB;
} else if (PRIVILEGE_TYPE_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_READ)) {
req.alterType = TSDB_ALTER_USER_REMOVE_READ_DB;
} else if (PRIVILEGE_TYPE_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_WRITE)) {
req.alterType = TSDB_ALTER_USER_REMOVE_WRITE_DB;
}
strcpy(req.user, pStmt->userName);
strcpy(req.dbname, pStmt->dbName);
return buildCmdMsg(pCxt, TDMT_MND_ALTER_USER, (FSerializeFunc)tSerializeSAlterUserReq, &req);
}
static int32_t translateQuery(STranslateContext* pCxt, SNode* pNode) {
int32_t code = TSDB_CODE_SUCCESS;
switch (nodeType(pNode)) {
case QUERY_NODE_SELECT_STMT:
code = translateSelect(pCxt, (SSelectStmt*)pNode);
break;
case QUERY_NODE_SET_OPERATOR:
code = translateSetOperator(pCxt, (SSetOperator*)pNode);
break;
case QUERY_NODE_CREATE_DATABASE_STMT:
code = translateCreateDatabase(pCxt, (SCreateDatabaseStmt*)pNode);
break;
case QUERY_NODE_DROP_DATABASE_STMT:
code = translateDropDatabase(pCxt, (SDropDatabaseStmt*)pNode);
break;
case QUERY_NODE_ALTER_DATABASE_STMT:
code = translateAlterDatabase(pCxt, (SAlterDatabaseStmt*)pNode);
break;
case QUERY_NODE_CREATE_TABLE_STMT:
code = translateCreateSuperTable(pCxt, (SCreateTableStmt*)pNode);
break;
case QUERY_NODE_DROP_TABLE_STMT:
code = translateDropTable(pCxt, (SDropTableStmt*)pNode);
break;
case QUERY_NODE_DROP_SUPER_TABLE_STMT:
code = translateDropSuperTable(pCxt, (SDropSuperTableStmt*)pNode);
break;
case QUERY_NODE_ALTER_TABLE_STMT:
code = translateAlterTable(pCxt, (SAlterTableStmt*)pNode);
break;
case QUERY_NODE_CREATE_USER_STMT:
code = translateCreateUser(pCxt, (SCreateUserStmt*)pNode);
break;
case QUERY_NODE_ALTER_USER_STMT:
code = translateAlterUser(pCxt, (SAlterUserStmt*)pNode);
break;
case QUERY_NODE_DROP_USER_STMT:
code = translateDropUser(pCxt, (SDropUserStmt*)pNode);
break;
case QUERY_NODE_USE_DATABASE_STMT:
code = translateUseDatabase(pCxt, (SUseDatabaseStmt*)pNode);
break;
case QUERY_NODE_CREATE_DNODE_STMT:
code = translateCreateDnode(pCxt, (SCreateDnodeStmt*)pNode);
break;
case QUERY_NODE_DROP_DNODE_STMT:
code = translateDropDnode(pCxt, (SDropDnodeStmt*)pNode);
break;
case QUERY_NODE_ALTER_DNODE_STMT:
code = translateAlterDnode(pCxt, (SAlterDnodeStmt*)pNode);
break;
case QUERY_NODE_SHOW_CONNECTIONS_STMT:
case QUERY_NODE_SHOW_QUERIES_STMT:
case QUERY_NODE_SHOW_TOPICS_STMT:
code = translateShow(pCxt, (SShowStmt*)pNode);
break;
case QUERY_NODE_CREATE_INDEX_STMT:
code = translateCreateIndex(pCxt, (SCreateIndexStmt*)pNode);
break;
case QUERY_NODE_DROP_INDEX_STMT:
code = translateDropIndex(pCxt, (SDropIndexStmt*)pNode);
break;
case QUERY_NODE_CREATE_QNODE_STMT:
case QUERY_NODE_CREATE_BNODE_STMT:
case QUERY_NODE_CREATE_SNODE_STMT:
case QUERY_NODE_CREATE_MNODE_STMT:
code = translateCreateComponentNode(pCxt, (SCreateComponentNodeStmt*)pNode);
break;
case QUERY_NODE_DROP_QNODE_STMT:
case QUERY_NODE_DROP_BNODE_STMT:
case QUERY_NODE_DROP_SNODE_STMT:
case QUERY_NODE_DROP_MNODE_STMT:
code = translateDropComponentNode(pCxt, (SDropComponentNodeStmt*)pNode);
break;
case QUERY_NODE_CREATE_TOPIC_STMT:
code = translateCreateTopic(pCxt, (SCreateTopicStmt*)pNode);
break;
case QUERY_NODE_DROP_TOPIC_STMT:
code = translateDropTopic(pCxt, (SDropTopicStmt*)pNode);
break;
case QUERY_NODE_ALTER_LOCAL_STMT:
code = translateAlterLocal(pCxt, (SAlterLocalStmt*)pNode);
break;
case QUERY_NODE_EXPLAIN_STMT:
code = translateExplain(pCxt, (SExplainStmt*)pNode);
break;
case QUERY_NODE_DESCRIBE_STMT:
code = translateDescribe(pCxt, (SDescribeStmt*)pNode);
break;
case QUERY_NODE_KILL_CONNECTION_STMT:
code = translateKillConnection(pCxt, (SKillStmt*)pNode);
break;
case QUERY_NODE_KILL_QUERY_STMT:
code = translateKillQuery(pCxt, (SKillStmt*)pNode);
break;
case QUERY_NODE_KILL_TRANSACTION_STMT:
code = translateKillTransaction(pCxt, (SKillStmt*)pNode);
break;
case QUERY_NODE_CREATE_STREAM_STMT:
code = translateCreateStream(pCxt, (SCreateStreamStmt*)pNode);
break;
case QUERY_NODE_DROP_STREAM_STMT:
code = translateDropStream(pCxt, (SDropStreamStmt*)pNode);
break;
case QUERY_NODE_CREATE_FUNCTION_STMT:
code = translateCreateFunction(pCxt, (SCreateFunctionStmt*)pNode);
break;
case QUERY_NODE_DROP_FUNCTION_STMT:
code = translateDropFunction(pCxt, (SDropFunctionStmt*)pNode);
break;
case QUERY_NODE_GRANT_STMT:
code = translateGrant(pCxt, (SGrantStmt*)pNode);
break;
case QUERY_NODE_REVOKE_STMT:
code = translateRevoke(pCxt, (SRevokeStmt*)pNode);
break;
default:
break;
}
return code;
}
static int32_t translateSubquery(STranslateContext* pCxt, SNode* pNode) {
++(pCxt->currLevel);
ESqlClause currClause = pCxt->currClause;
SSelectStmt* pCurrStmt = pCxt->pCurrStmt;
int32_t code = translateQuery(pCxt, pNode);
--(pCxt->currLevel);
pCxt->currClause = currClause;
pCxt->pCurrStmt = pCurrStmt;
return code;
}
static int32_t extractQueryResultSchema(const SNodeList* pProjections, int32_t* numOfCols, SSchema** pSchema) {
*numOfCols = LIST_LENGTH(pProjections);
*pSchema = taosMemoryCalloc((*numOfCols), sizeof(SSchema));
if (NULL == (*pSchema)) {
return TSDB_CODE_OUT_OF_MEMORY;
}
SNode* pNode;
int32_t index = 0;
FOREACH(pNode, pProjections) {
SExprNode* pExpr = (SExprNode*)pNode;
(*pSchema)[index].type = pExpr->resType.type;
(*pSchema)[index].bytes = pExpr->resType.bytes;
(*pSchema)[index].colId = index + 1;
strcpy((*pSchema)[index].name, pExpr->aliasName);
index += 1;
}
return TSDB_CODE_SUCCESS;
}
static int8_t extractResultTsPrecision(const SSelectStmt* pSelect) { return pSelect->precision; }
static int32_t extractExplainResultSchema(int32_t* numOfCols, SSchema** pSchema) {
*numOfCols = 1;
*pSchema = taosMemoryCalloc((*numOfCols), sizeof(SSchema));
if (NULL == (*pSchema)) {
return TSDB_CODE_OUT_OF_MEMORY;
}
(*pSchema)[0].type = TSDB_DATA_TYPE_BINARY;
(*pSchema)[0].bytes = TSDB_EXPLAIN_RESULT_ROW_SIZE;
strcpy((*pSchema)[0].name, TSDB_EXPLAIN_RESULT_COLUMN_NAME);
return TSDB_CODE_SUCCESS;
}
static int32_t extractDescribeResultSchema(int32_t* numOfCols, SSchema** pSchema) {
*numOfCols = DESCRIBE_RESULT_COLS;
*pSchema = taosMemoryCalloc((*numOfCols), sizeof(SSchema));
if (NULL == (*pSchema)) {
return TSDB_CODE_OUT_OF_MEMORY;
}
(*pSchema)[0].type = TSDB_DATA_TYPE_BINARY;
(*pSchema)[0].bytes = DESCRIBE_RESULT_FIELD_LEN;
strcpy((*pSchema)[0].name, "field");
(*pSchema)[1].type = TSDB_DATA_TYPE_BINARY;
(*pSchema)[1].bytes = DESCRIBE_RESULT_TYPE_LEN;
strcpy((*pSchema)[1].name, "type");
(*pSchema)[2].type = TSDB_DATA_TYPE_INT;
(*pSchema)[2].bytes = tDataTypes[TSDB_DATA_TYPE_INT].bytes;
strcpy((*pSchema)[2].name, "length");
(*pSchema)[3].type = TSDB_DATA_TYPE_BINARY;
(*pSchema)[3].bytes = DESCRIBE_RESULT_NOTE_LEN;
strcpy((*pSchema)[3].name, "note");
return TSDB_CODE_SUCCESS;
}
int32_t extractResultSchema(const SNode* pRoot, int32_t* numOfCols, SSchema** pSchema) {
if (NULL == pRoot) {
return TSDB_CODE_SUCCESS;
}
switch (nodeType(pRoot)) {
case QUERY_NODE_SELECT_STMT:
case QUERY_NODE_SET_OPERATOR:
return extractQueryResultSchema(getProjectList(pRoot), numOfCols, pSchema);
case QUERY_NODE_EXPLAIN_STMT:
return extractExplainResultSchema(numOfCols, pSchema);
case QUERY_NODE_DESCRIBE_STMT:
return extractDescribeResultSchema(numOfCols, pSchema);
default:
break;
}
return TSDB_CODE_FAILED;
}
static const char* getSysDbName(ENodeType type) {
switch (type) {
case QUERY_NODE_SHOW_DATABASES_STMT:
case QUERY_NODE_SHOW_TABLES_STMT:
case QUERY_NODE_SHOW_STABLES_STMT:
case QUERY_NODE_SHOW_USERS_STMT:
case QUERY_NODE_SHOW_DNODES_STMT:
case QUERY_NODE_SHOW_VGROUPS_STMT:
case QUERY_NODE_SHOW_MNODES_STMT:
case QUERY_NODE_SHOW_MODULES_STMT:
case QUERY_NODE_SHOW_QNODES_STMT:
case QUERY_NODE_SHOW_FUNCTIONS_STMT:
case QUERY_NODE_SHOW_INDEXES_STMT:
case QUERY_NODE_SHOW_STREAMS_STMT:
case QUERY_NODE_SHOW_BNODES_STMT:
case QUERY_NODE_SHOW_SNODES_STMT:
case QUERY_NODE_SHOW_LICENCE_STMT:
case QUERY_NODE_SHOW_CLUSTER_STMT:
return TSDB_INFORMATION_SCHEMA_DB;
case QUERY_NODE_SHOW_CONNECTIONS_STMT:
case QUERY_NODE_SHOW_QUERIES_STMT:
case QUERY_NODE_SHOW_TOPICS_STMT:
case QUERY_NODE_SHOW_TRANSACTIONS_STMT:
return TSDB_PERFORMANCE_SCHEMA_DB;
default:
break;
}
return NULL;
}
static const char* getSysTableName(ENodeType type) {
switch (type) {
case QUERY_NODE_SHOW_DATABASES_STMT:
return TSDB_INS_TABLE_USER_DATABASES;
case QUERY_NODE_SHOW_TABLES_STMT:
return TSDB_INS_TABLE_USER_TABLES;
case QUERY_NODE_SHOW_STABLES_STMT:
return TSDB_INS_TABLE_USER_STABLES;
case QUERY_NODE_SHOW_USERS_STMT:
return TSDB_INS_TABLE_USER_USERS;
case QUERY_NODE_SHOW_DNODES_STMT:
return TSDB_INS_TABLE_DNODES;
case QUERY_NODE_SHOW_VGROUPS_STMT:
return TSDB_INS_TABLE_VGROUPS;
case QUERY_NODE_SHOW_MNODES_STMT:
return TSDB_INS_TABLE_MNODES;
case QUERY_NODE_SHOW_MODULES_STMT:
return TSDB_INS_TABLE_MODULES;
case QUERY_NODE_SHOW_QNODES_STMT:
return TSDB_INS_TABLE_QNODES;
case QUERY_NODE_SHOW_FUNCTIONS_STMT:
return TSDB_INS_TABLE_USER_FUNCTIONS;
case QUERY_NODE_SHOW_INDEXES_STMT:
return TSDB_INS_TABLE_USER_INDEXES;
case QUERY_NODE_SHOW_STREAMS_STMT:
return TSDB_INS_TABLE_USER_STREAMS;
case QUERY_NODE_SHOW_BNODES_STMT:
return TSDB_INS_TABLE_BNODES;
case QUERY_NODE_SHOW_SNODES_STMT:
return TSDB_INS_TABLE_SNODES;
case QUERY_NODE_SHOW_LICENCE_STMT:
return TSDB_INS_TABLE_LICENCES;
case QUERY_NODE_SHOW_CLUSTER_STMT:
return TSDB_INS_TABLE_CLUSTER;
case QUERY_NODE_SHOW_CONNECTIONS_STMT:
return TSDB_PERFS_TABLE_CONNECTIONS;
case QUERY_NODE_SHOW_QUERIES_STMT:
return TSDB_PERFS_TABLE_QUERIES;
case QUERY_NODE_SHOW_TOPICS_STMT:
return TSDB_PERFS_TABLE_TOPICS;
case QUERY_NODE_SHOW_TRANSACTIONS_STMT:
return TSDB_PERFS_TABLE_TRANS;
default:
break;
}
return NULL;
}
static int32_t createSelectStmtForShow(ENodeType showType, SSelectStmt** pStmt) {
SSelectStmt* pSelect = nodesMakeNode(QUERY_NODE_SELECT_STMT);
if (NULL == pSelect) {
return TSDB_CODE_OUT_OF_MEMORY;
}
sprintf(pSelect->stmtName, "%p", pSelect);
SRealTableNode* pTable = nodesMakeNode(QUERY_NODE_REAL_TABLE);
if (NULL == pTable) {
nodesDestroyNode(pSelect);
return TSDB_CODE_OUT_OF_MEMORY;
}
strcpy(pTable->table.dbName, getSysDbName(showType));
strcpy(pTable->table.tableName, getSysTableName(showType));
strcpy(pTable->table.tableAlias, pTable->table.tableName);
pSelect->pFromTable = (SNode*)pTable;
*pStmt = pSelect;
return TSDB_CODE_SUCCESS;
}
static int32_t createOperatorNode(EOperatorType opType, const char* pColName, SNode* pRight, SNode** pOp) {
if (NULL == pRight) {
return TSDB_CODE_SUCCESS;
}
SOperatorNode* pOper = nodesMakeNode(QUERY_NODE_OPERATOR);
if (NULL == pOper) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pOper->opType = opType;
pOper->pLeft = nodesMakeNode(QUERY_NODE_COLUMN);
pOper->pRight = nodesCloneNode(pRight);
if (NULL == pOper->pLeft || NULL == pOper->pRight) {
nodesDestroyNode(pOper);
return TSDB_CODE_OUT_OF_MEMORY;
}
strcpy(((SColumnNode*)pOper->pLeft)->colName, pColName);
*pOp = (SNode*)pOper;
return TSDB_CODE_SUCCESS;
}
static const char* getTbNameColName(ENodeType type) {
return (QUERY_NODE_SHOW_STABLES_STMT == type ? "stable_name" : "table_name");
}
static int32_t createLogicCondNode(SNode* pCond1, SNode* pCond2, SNode** pCond) {
SLogicConditionNode* pCondition = nodesMakeNode(QUERY_NODE_LOGIC_CONDITION);
if (NULL == pCondition) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pCondition->condType = LOGIC_COND_TYPE_AND;
pCondition->pParameterList = nodesMakeList();
if (NULL == pCondition->pParameterList) {
nodesDestroyNode(pCondition);
return TSDB_CODE_OUT_OF_MEMORY;
}
if (TSDB_CODE_SUCCESS != nodesListAppend(pCondition->pParameterList, pCond1) ||
TSDB_CODE_SUCCESS != nodesListAppend(pCondition->pParameterList, pCond2)) {
nodesDestroyNode(pCondition);
return TSDB_CODE_OUT_OF_MEMORY;
}
*pCond = (SNode*)pCondition;
return TSDB_CODE_SUCCESS;
}
static int32_t createShowCondition(const SShowStmt* pShow, SSelectStmt* pSelect) {
SNode* pDbCond = NULL;
SNode* pTbCond = NULL;
if (TSDB_CODE_SUCCESS != createOperatorNode(OP_TYPE_EQUAL, "db_name", pShow->pDbName, &pDbCond) ||
TSDB_CODE_SUCCESS !=
createOperatorNode(OP_TYPE_LIKE, getTbNameColName(nodeType(pShow)), pShow->pTbNamePattern, &pTbCond)) {
nodesDestroyNode(pDbCond);
nodesDestroyNode(pTbCond);
return TSDB_CODE_OUT_OF_MEMORY;
}
if (NULL != pDbCond && NULL != pTbCond) {
if (TSDB_CODE_SUCCESS != createLogicCondNode(pDbCond, pTbCond, &pSelect->pWhere)) {
nodesDestroyNode(pDbCond);
nodesDestroyNode(pTbCond);
return TSDB_CODE_OUT_OF_MEMORY;
}
} else {
pSelect->pWhere = (NULL == pDbCond ? pTbCond : pDbCond);
}
if (NULL != pShow->pDbName) {
strcpy(((SRealTableNode*)pSelect->pFromTable)->qualDbName, ((SValueNode*)pShow->pDbName)->literal);
}
return TSDB_CODE_SUCCESS;
}
static int32_t rewriteShow(STranslateContext* pCxt, SQuery* pQuery) {
SSelectStmt* pStmt = NULL;
int32_t code = createSelectStmtForShow(nodeType(pQuery->pRoot), &pStmt);
if (TSDB_CODE_SUCCESS == code) {
code = createShowCondition((SShowStmt*)pQuery->pRoot, pStmt);
}
if (TSDB_CODE_SUCCESS == code) {
pQuery->showRewrite = true;
nodesDestroyNode(pQuery->pRoot);
pQuery->pRoot = (SNode*)pStmt;
}
return code;
}
typedef struct SVgroupCreateTableBatch {
SVCreateTbBatchReq req;
SVgroupInfo info;
char dbName[TSDB_DB_NAME_LEN];
} SVgroupCreateTableBatch;
static void destroyCreateTbReq(SVCreateTbReq* pReq) {
taosMemoryFreeClear(pReq->name);
taosMemoryFreeClear(pReq->ntb.schema.pSchema);
}
static int32_t buildNormalTableBatchReq(int32_t acctId, const SCreateTableStmt* pStmt, const SVgroupInfo* pVgroupInfo,
SVgroupCreateTableBatch* pBatch) {
char dbFName[TSDB_DB_FNAME_LEN] = {0};
SName name = {.type = TSDB_DB_NAME_T, .acctId = acctId};
strcpy(name.dbname, pStmt->dbName);
tNameGetFullDbName(&name, dbFName);
SVCreateTbReq req = {0};
req.type = TD_NORMAL_TABLE;
req.name = strdup(pStmt->tableName);
req.ntb.schema.nCols = LIST_LENGTH(pStmt->pCols);
req.ntb.schema.sver = 0;
req.ntb.schema.pSchema = taosMemoryCalloc(req.ntb.schema.nCols, sizeof(SSchema));
if (NULL == req.name || NULL == req.ntb.schema.pSchema) {
destroyCreateTbReq(&req);
return TSDB_CODE_OUT_OF_MEMORY;
}
SNode* pCol;
col_id_t index = 0;
FOREACH(pCol, pStmt->pCols) {
toSchema((SColumnDefNode*)pCol, index + 1, req.ntb.schema.pSchema + index);
++index;
}
pBatch->info = *pVgroupInfo;
strcpy(pBatch->dbName, pStmt->dbName);
pBatch->req.pArray = taosArrayInit(1, sizeof(struct SVCreateTbReq));
if (NULL == pBatch->req.pArray) {
destroyCreateTbReq(&req);
return TSDB_CODE_OUT_OF_MEMORY;
}
taosArrayPush(pBatch->req.pArray, &req);
return TSDB_CODE_SUCCESS;
}
static int32_t serializeVgroupCreateTableBatch(SVgroupCreateTableBatch* pTbBatch, SArray* pBufArray) {
int tlen;
SEncoder coder = {0};
int32_t ret = 0;
tEncodeSize(tEncodeSVCreateTbBatchReq, &pTbBatch->req, tlen, ret);
tlen += sizeof(SMsgHead);
void* buf = taosMemoryMalloc(tlen);
if (NULL == buf) {
return TSDB_CODE_OUT_OF_MEMORY;
}
((SMsgHead*)buf)->vgId = htonl(pTbBatch->info.vgId);
((SMsgHead*)buf)->contLen = htonl(tlen);
void* pBuf = POINTER_SHIFT(buf, sizeof(SMsgHead));
tEncoderInit(&coder, pBuf, tlen - sizeof(SMsgHead));
tEncodeSVCreateTbBatchReq(&coder, &pTbBatch->req);
tEncoderClear(&coder);
SVgDataBlocks* pVgData = taosMemoryCalloc(1, sizeof(SVgDataBlocks));
if (NULL == pVgData) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pVgData->vg = pTbBatch->info;
pVgData->pData = buf;
pVgData->size = tlen;
pVgData->numOfTables = (int32_t)taosArrayGetSize(pTbBatch->req.pArray);
taosArrayPush(pBufArray, &pVgData);
return TSDB_CODE_SUCCESS;
}
static void destroyCreateTbReqBatch(SVgroupCreateTableBatch* pTbBatch) {
size_t size = taosArrayGetSize(pTbBatch->req.pArray);
for (int32_t i = 0; i < size; ++i) {
SVCreateTbReq* pTableReq = taosArrayGet(pTbBatch->req.pArray, i);
taosMemoryFreeClear(pTableReq->name);
if (pTableReq->type == TSDB_NORMAL_TABLE) {
taosMemoryFreeClear(pTableReq->ntb.schema.pSchema);
} else if (pTableReq->type == TSDB_CHILD_TABLE) {
taosMemoryFreeClear(pTableReq->ctb.pTag);
}
}
taosArrayDestroy(pTbBatch->req.pArray);
}
static int32_t rewriteToVnodeModifOpStmt(SQuery* pQuery, SArray* pBufArray) {
SVnodeModifOpStmt* pNewStmt = nodesMakeNode(QUERY_NODE_VNODE_MODIF_STMT);
if (pNewStmt == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pNewStmt->sqlNodeType = nodeType(pQuery->pRoot);
pNewStmt->pDataBlocks = pBufArray;
nodesDestroyNode(pQuery->pRoot);
pQuery->pRoot = (SNode*)pNewStmt;
return TSDB_CODE_SUCCESS;
}
static void destroyCreateTbReqArray(SArray* pArray) {
size_t size = taosArrayGetSize(pArray);
for (size_t i = 0; i < size; ++i) {
SVgDataBlocks* pVg = taosArrayGetP(pArray, i);
taosMemoryFreeClear(pVg->pData);
taosMemoryFreeClear(pVg);
}
taosArrayDestroy(pArray);
}
static int32_t buildCreateTableDataBlock(int32_t acctId, const SCreateTableStmt* pStmt, const SVgroupInfo* pInfo,
SArray** pBufArray) {
*pBufArray = taosArrayInit(1, POINTER_BYTES);
if (NULL == *pBufArray) {
return TSDB_CODE_OUT_OF_MEMORY;
}
SVgroupCreateTableBatch tbatch = {0};
int32_t code = buildNormalTableBatchReq(acctId, pStmt, pInfo, &tbatch);
if (TSDB_CODE_SUCCESS == code) {
code = serializeVgroupCreateTableBatch(&tbatch, *pBufArray);
}
destroyCreateTbReqBatch(&tbatch);
if (TSDB_CODE_SUCCESS != code) {
destroyCreateTbReqArray(*pBufArray);
}
return code;
}
static int32_t rewriteCreateTable(STranslateContext* pCxt, SQuery* pQuery) {
SCreateTableStmt* pStmt = (SCreateTableStmt*)pQuery->pRoot;
int32_t code = checkCreateTable(pCxt, pStmt);
SVgroupInfo info = {0};
if (TSDB_CODE_SUCCESS == code) {
code = getTableHashVgroup(pCxt, pStmt->dbName, pStmt->tableName, &info);
}
SArray* pBufArray = NULL;
if (TSDB_CODE_SUCCESS == code) {
code = buildCreateTableDataBlock(pCxt->pParseCxt->acctId, pStmt, &info, &pBufArray);
}
if (TSDB_CODE_SUCCESS == code) {
code = rewriteToVnodeModifOpStmt(pQuery, pBufArray);
if (TSDB_CODE_SUCCESS != code) {
destroyCreateTbReqArray(pBufArray);
}
}
return code;
}
static void addCreateTbReqIntoVgroup(int32_t acctId, SHashObj* pVgroupHashmap, const char* pDbName,
const char* pTableName, SKVRow row, uint64_t suid, SVgroupInfo* pVgInfo) {
char dbFName[TSDB_DB_FNAME_LEN] = {0};
SName name = {.type = TSDB_DB_NAME_T, .acctId = acctId};
strcpy(name.dbname, pDbName);
tNameGetFullDbName(&name, dbFName);
struct SVCreateTbReq req = {0};
req.type = TD_CHILD_TABLE;
req.name = strdup(pTableName);
req.ctb.suid = suid;
req.ctb.pTag = row;
SVgroupCreateTableBatch* pTableBatch = taosHashGet(pVgroupHashmap, &pVgInfo->vgId, sizeof(pVgInfo->vgId));
if (pTableBatch == NULL) {
SVgroupCreateTableBatch tBatch = {0};
tBatch.info = *pVgInfo;
strcpy(tBatch.dbName, pDbName);
tBatch.req.pArray = taosArrayInit(4, sizeof(struct SVCreateTbReq));
taosArrayPush(tBatch.req.pArray, &req);
taosHashPut(pVgroupHashmap, &pVgInfo->vgId, sizeof(pVgInfo->vgId), &tBatch, sizeof(tBatch));
} else { // add to the correct vgroup
taosArrayPush(pTableBatch->req.pArray, &req);
}
}
static int32_t addValToKVRow(STranslateContext* pCxt, SValueNode* pVal, const SSchema* pSchema,
SKVRowBuilder* pBuilder) {
if (pSchema->type == TSDB_DATA_TYPE_JSON) {
if (pVal->literal && strlen(pVal->literal) > (TSDB_MAX_JSON_TAG_LEN - VARSTR_HEADER_SIZE) / TSDB_NCHAR_SIZE) {
return buildSyntaxErrMsg(&pCxt->msgBuf, "json string too long than 4095", pVal->literal);
}
return parseJsontoTagData(pVal->literal, pBuilder, &pCxt->msgBuf, pSchema->colId);
}
if (pVal->node.resType.type == TSDB_DATA_TYPE_NULL) {
// todo
} else {
tdAddColToKVRow(pBuilder, pSchema->colId, &(pVal->datum.p),
IS_VAR_DATA_TYPE(pSchema->type) ? varDataTLen(pVal->datum.p) : TYPE_BYTES[pSchema->type]);
}
return TSDB_CODE_SUCCESS;
}
static int32_t createValueFromFunction(STranslateContext* pCxt, SFunctionNode* pFunc, SValueNode** pVal) {
if (DEAL_RES_ERROR == translateFunction(pCxt, pFunc)) {
return pCxt->errCode;
}
return scalarCalculateConstants((SNode*)pFunc, (SNode**)pVal);
}
static int32_t translateTagVal(STranslateContext* pCxt, SNode* pNode, SValueNode** pVal) {
if (QUERY_NODE_FUNCTION == nodeType(pNode)) {
return createValueFromFunction(pCxt, (SFunctionNode*)pNode, pVal);
} else if (QUERY_NODE_VALUE == nodeType(pNode)) {
return (DEAL_RES_ERROR == translateValue(pCxt, (SValueNode*)pNode) ? pCxt->errCode : TSDB_CODE_SUCCESS);
} else {
return TSDB_CODE_FAILED;
}
}
static int32_t buildKVRowForBindTags(STranslateContext* pCxt, SCreateSubTableClause* pStmt, STableMeta* pSuperTableMeta,
SKVRowBuilder* pBuilder) {
int32_t numOfTags = getNumOfTags(pSuperTableMeta);
if (LIST_LENGTH(pStmt->pValsOfTags) != LIST_LENGTH(pStmt->pSpecificTags) ||
numOfTags < LIST_LENGTH(pStmt->pValsOfTags)) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_TAGS_NOT_MATCHED);
}
SSchema* pTagSchema = getTableTagSchema(pSuperTableMeta);
SNode * pTag, *pNode;
FORBOTH(pTag, pStmt->pSpecificTags, pNode, pStmt->pValsOfTags) {
SColumnNode* pCol = (SColumnNode*)pTag;
SSchema* pSchema = NULL;
for (int32_t i = 0; i < numOfTags; ++i) {
if (0 == strcmp(pCol->colName, pTagSchema[i].name)) {
pSchema = pTagSchema + i;
break;
}
}
if (NULL == pSchema) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TAG_NAME, pCol->colName);
}
SValueNode* pVal = NULL;
int32_t code = translateTagVal(pCxt, pNode, &pVal);
if (TSDB_CODE_SUCCESS == code) {
if (NULL == pVal) {
pVal = (SValueNode*)pNode;
} else {
REPLACE_LIST2_NODE(pVal);
}
}
if (TSDB_CODE_SUCCESS == code) {
code = addValToKVRow(pCxt, pVal, pSchema, pBuilder);
}
if (TSDB_CODE_SUCCESS != code) {
return code;
}
}
return TSDB_CODE_SUCCESS;
}
static int32_t buildKVRowForAllTags(STranslateContext* pCxt, SCreateSubTableClause* pStmt, STableMeta* pSuperTableMeta,
SKVRowBuilder* pBuilder) {
if (getNumOfTags(pSuperTableMeta) != LIST_LENGTH(pStmt->pValsOfTags)) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_TAGS_NOT_MATCHED);
}
SSchema* pTagSchema = getTableTagSchema(pSuperTableMeta);
SNode* pNode;
int32_t index = 0;
FOREACH(pNode, pStmt->pValsOfTags) {
SValueNode* pVal = NULL;
int32_t code = translateTagVal(pCxt, pNode, &pVal);
if (TSDB_CODE_SUCCESS == code) {
if (NULL == pVal) {
pVal = (SValueNode*)pNode;
} else {
REPLACE_NODE(pVal);
}
}
if (TSDB_CODE_SUCCESS == code) {
code = addValToKVRow(pCxt, pVal, pTagSchema + index++, pBuilder);
}
if (TSDB_CODE_SUCCESS != code) {
return code;
}
}
return TSDB_CODE_SUCCESS;
}
static int32_t checkCreateSubTable(STranslateContext* pCxt, SCreateSubTableClause* pStmt) {
if (0 != strcmp(pStmt->dbName, pStmt->useDbName)) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_CORRESPONDING_STABLE_ERR);
}
return TSDB_CODE_SUCCESS;
}
static int32_t rewriteCreateSubTable(STranslateContext* pCxt, SCreateSubTableClause* pStmt, SHashObj* pVgroupHashmap) {
int32_t code = checkCreateSubTable(pCxt, pStmt);
STableMeta* pSuperTableMeta = NULL;
if (TSDB_CODE_SUCCESS == code) {
code = getTableMeta(pCxt, pStmt->useDbName, pStmt->useTableName, &pSuperTableMeta);
}
SKVRowBuilder kvRowBuilder = {0};
if (TSDB_CODE_SUCCESS == code) {
code = tdInitKVRowBuilder(&kvRowBuilder);
}
if (TSDB_CODE_SUCCESS == code) {
if (NULL != pStmt->pSpecificTags) {
code = buildKVRowForBindTags(pCxt, pStmt, pSuperTableMeta, &kvRowBuilder);
} else {
code = buildKVRowForAllTags(pCxt, pStmt, pSuperTableMeta, &kvRowBuilder);
}
}
SKVRow row = NULL;
if (TSDB_CODE_SUCCESS == code) {
row = tdGetKVRowFromBuilder(&kvRowBuilder);
if (NULL == row) {
code = TSDB_CODE_OUT_OF_MEMORY;
} else {
tdSortKVRowByColIdx(row);
}
}
SVgroupInfo info = {0};
if (TSDB_CODE_SUCCESS == code) {
code = getTableHashVgroup(pCxt, pStmt->dbName, pStmt->tableName, &info);
}
if (TSDB_CODE_SUCCESS == code) {
addCreateTbReqIntoVgroup(pCxt->pParseCxt->acctId, pVgroupHashmap, pStmt->dbName, pStmt->tableName, row,
pSuperTableMeta->uid, &info);
}
taosMemoryFreeClear(pSuperTableMeta);
tdDestroyKVRowBuilder(&kvRowBuilder);
return code;
}
static SArray* serializeVgroupsCreateTableBatch(int32_t acctId, SHashObj* pVgroupHashmap) {
SArray* pBufArray = taosArrayInit(taosHashGetSize(pVgroupHashmap), sizeof(void*));
if (NULL == pBufArray) {
return NULL;
}
int32_t code = TSDB_CODE_SUCCESS;
SVgroupCreateTableBatch* pTbBatch = NULL;
do {
pTbBatch = taosHashIterate(pVgroupHashmap, pTbBatch);
if (pTbBatch == NULL) {
break;
}
serializeVgroupCreateTableBatch(pTbBatch, pBufArray);
destroyCreateTbReqBatch(pTbBatch);
} while (true);
return pBufArray;
}
static int32_t rewriteCreateMultiTable(STranslateContext* pCxt, SQuery* pQuery) {
SCreateMultiTableStmt* pStmt = (SCreateMultiTableStmt*)pQuery->pRoot;
SHashObj* pVgroupHashmap = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), false, HASH_NO_LOCK);
if (NULL == pVgroupHashmap) {
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t code = TSDB_CODE_SUCCESS;
SNode* pNode;
FOREACH(pNode, pStmt->pSubTables) {
code = rewriteCreateSubTable(pCxt, (SCreateSubTableClause*)pNode, pVgroupHashmap);
if (TSDB_CODE_SUCCESS != code) {
taosHashCleanup(pVgroupHashmap);
return code;
}
}
SArray* pBufArray = serializeVgroupsCreateTableBatch(pCxt->pParseCxt->acctId, pVgroupHashmap);
taosHashCleanup(pVgroupHashmap);
if (NULL == pBufArray) {
return TSDB_CODE_OUT_OF_MEMORY;
}
return rewriteToVnodeModifOpStmt(pQuery, pBufArray);
}
typedef struct SVgroupDropTableBatch {
SVDropTbBatchReq req;
SVgroupInfo info;
char dbName[TSDB_DB_NAME_LEN];
} SVgroupDropTableBatch;
static void addDropTbReqIntoVgroup(SHashObj* pVgroupHashmap, SDropTableClause* pClause, SVgroupInfo* pVgInfo) {
SVDropTbReq req = {.name = pClause->tableName, .igNotExists = pClause->ignoreNotExists};
SVgroupDropTableBatch* pTableBatch = taosHashGet(pVgroupHashmap, &pVgInfo->vgId, sizeof(pVgInfo->vgId));
if (NULL == pTableBatch) {
SVgroupDropTableBatch tBatch = {0};
tBatch.info = *pVgInfo;
tBatch.req.pArray = taosArrayInit(TARRAY_MIN_SIZE, sizeof(SVDropTbReq));
taosArrayPush(tBatch.req.pArray, &req);
taosHashPut(pVgroupHashmap, &pVgInfo->vgId, sizeof(pVgInfo->vgId), &tBatch, sizeof(tBatch));
} else { // add to the correct vgroup
taosArrayPush(pTableBatch->req.pArray, &req);
}
}
static int32_t buildDropTableVgroupHashmap(STranslateContext* pCxt, SDropTableClause* pClause, bool* pIsSuperTable,
SHashObj* pVgroupHashmap) {
STableMeta* pTableMeta = NULL;
int32_t code = getTableMeta(pCxt, pClause->dbName, pClause->tableName, &pTableMeta);
if (TSDB_CODE_SUCCESS == code && TSDB_SUPER_TABLE == pTableMeta->tableType) {
*pIsSuperTable = true;
goto over;
}
if (TSDB_CODE_PAR_TABLE_NOT_EXIST == code && pClause->ignoreNotExists) {
code = TSDB_CODE_SUCCESS;
}
*pIsSuperTable = false;
SVgroupInfo info = {0};
if (TSDB_CODE_SUCCESS == code) {
code = getTableHashVgroup(pCxt, pClause->dbName, pClause->tableName, &info);
}
if (TSDB_CODE_SUCCESS == code) {
addDropTbReqIntoVgroup(pVgroupHashmap, pClause, &info);
}
over:
taosMemoryFreeClear(pTableMeta);
return code;
}
static void destroyDropTbReqBatch(SVgroupDropTableBatch* pTbBatch) { taosArrayDestroy(pTbBatch->req.pArray); }
static int32_t serializeVgroupDropTableBatch(SVgroupDropTableBatch* pTbBatch, SArray* pBufArray) {
int tlen;
SEncoder coder = {0};
int32_t ret = 0;
tEncodeSize(tEncodeSVDropTbBatchReq, &pTbBatch->req, tlen, ret);
tlen += sizeof(SMsgHead);
void* buf = taosMemoryMalloc(tlen);
if (NULL == buf) {
return TSDB_CODE_OUT_OF_MEMORY;
}
((SMsgHead*)buf)->vgId = htonl(pTbBatch->info.vgId);
((SMsgHead*)buf)->contLen = htonl(tlen);
void* pBuf = POINTER_SHIFT(buf, sizeof(SMsgHead));
tEncoderInit(&coder, pBuf, tlen - sizeof(SMsgHead));
tEncodeSVDropTbBatchReq(&coder, &pTbBatch->req);
tEncoderClear(&coder);
SVgDataBlocks* pVgData = taosMemoryCalloc(1, sizeof(SVgDataBlocks));
if (NULL == pVgData) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pVgData->vg = pTbBatch->info;
pVgData->pData = buf;
pVgData->size = tlen;
pVgData->numOfTables = (int32_t)taosArrayGetSize(pTbBatch->req.pArray);
taosArrayPush(pBufArray, &pVgData);
return TSDB_CODE_SUCCESS;
}
static SArray* serializeVgroupsDropTableBatch(int32_t acctId, SHashObj* pVgroupHashmap) {
SArray* pBufArray = taosArrayInit(taosHashGetSize(pVgroupHashmap), sizeof(void*));
if (NULL == pBufArray) {
return NULL;
}
int32_t code = TSDB_CODE_SUCCESS;
SVgroupDropTableBatch* pTbBatch = NULL;
do {
pTbBatch = taosHashIterate(pVgroupHashmap, pTbBatch);
if (pTbBatch == NULL) {
break;
}
serializeVgroupDropTableBatch(pTbBatch, pBufArray);
destroyDropTbReqBatch(pTbBatch);
} while (true);
return pBufArray;
}
static int32_t rewriteDropTable(STranslateContext* pCxt, SQuery* pQuery) {
SDropTableStmt* pStmt = (SDropTableStmt*)pQuery->pRoot;
SHashObj* pVgroupHashmap = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), false, HASH_NO_LOCK);
if (NULL == pVgroupHashmap) {
return TSDB_CODE_OUT_OF_MEMORY;
}
bool isSuperTable = false;
SNode* pNode;
FOREACH(pNode, pStmt->pTables) {
int32_t code = buildDropTableVgroupHashmap(pCxt, (SDropTableClause*)pNode, &isSuperTable, pVgroupHashmap);
if (TSDB_CODE_SUCCESS != code) {
taosHashCleanup(pVgroupHashmap);
return code;
}
if (isSuperTable && LIST_LENGTH(pStmt->pTables) > 1) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DROP_STABLE);
}
}
if (isSuperTable) {
taosHashCleanup(pVgroupHashmap);
return TSDB_CODE_SUCCESS;
}
SArray* pBufArray = serializeVgroupsDropTableBatch(pCxt->pParseCxt->acctId, pVgroupHashmap);
taosHashCleanup(pVgroupHashmap);
if (NULL == pBufArray) {
return TSDB_CODE_OUT_OF_MEMORY;
}
return rewriteToVnodeModifOpStmt(pQuery, pBufArray);
}
static int32_t rewriteAlterTable(STranslateContext* pCxt, SQuery* pQuery) {
// todo
return TSDB_CODE_SUCCESS;
}
static int32_t rewriteQuery(STranslateContext* pCxt, SQuery* pQuery) {
int32_t code = TSDB_CODE_SUCCESS;
switch (nodeType(pQuery->pRoot)) {
case QUERY_NODE_SHOW_LICENCE_STMT:
case QUERY_NODE_SHOW_DATABASES_STMT:
case QUERY_NODE_SHOW_TABLES_STMT:
case QUERY_NODE_SHOW_STABLES_STMT:
case QUERY_NODE_SHOW_USERS_STMT:
case QUERY_NODE_SHOW_DNODES_STMT:
case QUERY_NODE_SHOW_VGROUPS_STMT:
case QUERY_NODE_SHOW_MNODES_STMT:
case QUERY_NODE_SHOW_MODULES_STMT:
case QUERY_NODE_SHOW_QNODES_STMT:
case QUERY_NODE_SHOW_FUNCTIONS_STMT:
case QUERY_NODE_SHOW_INDEXES_STMT:
case QUERY_NODE_SHOW_STREAMS_STMT:
case QUERY_NODE_SHOW_BNODES_STMT:
case QUERY_NODE_SHOW_SNODES_STMT:
case QUERY_NODE_SHOW_CONNECTIONS_STMT:
case QUERY_NODE_SHOW_QUERIES_STMT:
case QUERY_NODE_SHOW_CLUSTER_STMT:
case QUERY_NODE_SHOW_TOPICS_STMT:
case QUERY_NODE_SHOW_TRANSACTIONS_STMT:
code = rewriteShow(pCxt, pQuery);
break;
case QUERY_NODE_CREATE_TABLE_STMT:
if (NULL == ((SCreateTableStmt*)pQuery->pRoot)->pTags) {
code = rewriteCreateTable(pCxt, pQuery);
}
break;
case QUERY_NODE_CREATE_MULTI_TABLE_STMT:
code = rewriteCreateMultiTable(pCxt, pQuery);
break;
case QUERY_NODE_DROP_TABLE_STMT:
code = rewriteDropTable(pCxt, pQuery);
break;
case QUERY_NODE_ALTER_TABLE_STMT:
if (TSDB_ALTER_TABLE_UPDATE_TAG_VAL == ((SAlterTableStmt*)pQuery->pRoot)->alterType) {
code = rewriteAlterTable(pCxt, pQuery);
}
break;
default:
break;
}
return code;
}
static int32_t setQuery(STranslateContext* pCxt, SQuery* pQuery) {
switch (nodeType(pQuery->pRoot)) {
case QUERY_NODE_SELECT_STMT:
case QUERY_NODE_SET_OPERATOR:
case QUERY_NODE_EXPLAIN_STMT:
pQuery->execMode = QUERY_EXEC_MODE_SCHEDULE;
pQuery->haveResultSet = true;
pQuery->msgType = TDMT_VND_QUERY;
break;
case QUERY_NODE_VNODE_MODIF_STMT:
pQuery->execMode = QUERY_EXEC_MODE_SCHEDULE;
pQuery->msgType = TDMT_VND_CREATE_TABLE;
break;
case QUERY_NODE_DESCRIBE_STMT:
pQuery->execMode = QUERY_EXEC_MODE_LOCAL;
pQuery->haveResultSet = true;
break;
case QUERY_NODE_RESET_QUERY_CACHE_STMT:
pQuery->execMode = QUERY_EXEC_MODE_LOCAL;
break;
default:
pQuery->execMode = QUERY_EXEC_MODE_RPC;
if (NULL != pCxt->pCmdMsg) {
TSWAP(pQuery->pCmdMsg, pCxt->pCmdMsg);
pQuery->msgType = pQuery->pCmdMsg->msgType;
}
break;
}
if (pQuery->haveResultSet) {
if (TSDB_CODE_SUCCESS != extractResultSchema(pQuery->pRoot, &pQuery->numOfResCols, &pQuery->pResSchema)) {
return TSDB_CODE_OUT_OF_MEMORY;
}
if (nodeType(pQuery->pRoot) == QUERY_NODE_SELECT_STMT) {
pQuery->precision = extractResultTsPrecision((SSelectStmt*)pQuery->pRoot);
}
}
if (NULL != pCxt->pDbs) {
pQuery->pDbList = taosArrayInit(taosHashGetSize(pCxt->pDbs), TSDB_DB_FNAME_LEN);
if (NULL == pQuery->pDbList) {
return TSDB_CODE_OUT_OF_MEMORY;
}
SFullDatabaseName* pDb = taosHashIterate(pCxt->pDbs, NULL);
while (NULL != pDb) {
taosArrayPush(pQuery->pDbList, pDb->fullDbName);
pDb = taosHashIterate(pCxt->pDbs, pDb);
}
}
if (NULL != pCxt->pTables) {
pQuery->pTableList = taosArrayInit(taosHashGetSize(pCxt->pTables), sizeof(SName));
if (NULL == pQuery->pTableList) {
return TSDB_CODE_OUT_OF_MEMORY;
}
SName* pTable = taosHashIterate(pCxt->pTables, NULL);
while (NULL != pTable) {
taosArrayPush(pQuery->pTableList, pTable);
pTable = taosHashIterate(pCxt->pTables, pTable);
}
}
return TSDB_CODE_SUCCESS;
}
int32_t translate(SParseContext* pParseCxt, SQuery* pQuery) {
STranslateContext cxt = {0};
int32_t code = initTranslateContext(pParseCxt, &cxt);
if (TSDB_CODE_SUCCESS == code) {
code = fmFuncMgtInit();
}
if (TSDB_CODE_SUCCESS == code) {
code = rewriteQuery(&cxt, pQuery);
}
if (TSDB_CODE_SUCCESS == code) {
code = translateQuery(&cxt, pQuery->pRoot);
}
if (TSDB_CODE_SUCCESS == code) {
code = setQuery(&cxt, pQuery);
}
destroyTranslateContext(&cxt);
return code;
}
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