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homework-jianmu/source/libs/parser/src/parAstCreater.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 <regex.h>
#include "parAst.h"
#include "parUtil.h"
#include "tglobal.h"
#include "ttime.h"
#define CHECK_OUT_OF_MEM(p) \
do { \
if (NULL == (p)) { \
pCxt->errCode = TSDB_CODE_OUT_OF_MEMORY; \
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen, "Out of memory"); \
return NULL; \
} \
} while (0)
#define CHECK_PARSER_STATUS(pCxt) \
do { \
if (TSDB_CODE_SUCCESS != pCxt->errCode) { \
return NULL; \
} \
} while (0)
#define COPY_STRING_FORM_ID_TOKEN(buf, pToken) strncpy(buf, (pToken)->z, TMIN((pToken)->n, sizeof(buf) - 1))
#define COPY_STRING_FORM_STR_TOKEN(buf, pToken) \
do { \
if ((pToken)->n > 2) { \
strncpy(buf, (pToken)->z + 1, TMIN((pToken)->n - 2, sizeof(buf) - 1)); \
} \
} while (0)
SToken nil_token = {.type = TK_NK_NIL, .n = 0, .z = NULL};
void initAstCreateContext(SParseContext* pParseCxt, SAstCreateContext* pCxt) {
memset(pCxt, 0, sizeof(SAstCreateContext));
pCxt->pQueryCxt = pParseCxt;
pCxt->msgBuf.buf = pParseCxt->pMsg;
pCxt->msgBuf.len = pParseCxt->msgLen;
pCxt->notSupport = false;
pCxt->pRootNode = NULL;
pCxt->placeholderNo = 0;
pCxt->pPlaceholderValues = NULL;
pCxt->errCode = TSDB_CODE_SUCCESS;
}
static void trimEscape(SToken* pName) {
// todo need to deal with `ioo``ii` -> ioo`ii
if (NULL != pName && pName->n > 1 && '`' == pName->z[0]) {
pName->z += 1;
pName->n -= 2;
}
}
static bool checkUserName(SAstCreateContext* pCxt, SToken* pUserName) {
if (NULL == pUserName) {
pCxt->errCode = TSDB_CODE_PAR_SYNTAX_ERROR;
} else {
if (pUserName->n >= TSDB_USER_LEN) {
pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_NAME_OR_PASSWD_TOO_LONG);
}
}
if (TSDB_CODE_SUCCESS == pCxt->errCode) {
trimEscape(pUserName);
}
return TSDB_CODE_SUCCESS == pCxt->errCode;
}
static bool invalidPassword(const char* pPassword) {
regex_t regex;
if (regcomp(&regex, "[ '\"`\\]", REG_EXTENDED | REG_ICASE) != 0) {
return false;
}
/* Execute regular expression */
int32_t res = regexec(&regex, pPassword, 0, NULL, 0);
regfree(&regex);
return 0 == res;
}
static bool checkPassword(SAstCreateContext* pCxt, const SToken* pPasswordToken, char* pPassword) {
if (NULL == pPasswordToken) {
pCxt->errCode = TSDB_CODE_PAR_SYNTAX_ERROR;
} else if (pPasswordToken->n >= (TSDB_USET_PASSWORD_LEN + 2)) {
pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_NAME_OR_PASSWD_TOO_LONG);
} else {
strncpy(pPassword, pPasswordToken->z, pPasswordToken->n);
strdequote(pPassword);
if (strtrim(pPassword) <= 0) {
pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_PASSWD_EMPTY);
} else if (invalidPassword(pPassword)) {
pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_PASSWD);
}
}
return TSDB_CODE_SUCCESS == pCxt->errCode;
}
static int32_t parsePort(SAstCreateContext* pCxt, const char* p, int32_t* pPort) {
*pPort = taosStr2Int32(p, NULL, 10);
if (*pPort >= UINT16_MAX || *pPort <= 0) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_PORT);
}
return TSDB_CODE_SUCCESS;
}
static int32_t parseEndpoint(SAstCreateContext* pCxt, const SToken* pEp, char* pFqdn, int32_t* pPort) {
if (pEp->n >= (NULL == pPort ? (TSDB_FQDN_LEN + 1 + 5) : TSDB_FQDN_LEN)) { // format 'fqdn:port' or 'fqdn'
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_NAME_OR_PASSWD_TOO_LONG);
}
char ep[TSDB_FQDN_LEN + 1 + 5] = {0};
COPY_STRING_FORM_ID_TOKEN(ep, pEp);
strdequote(ep);
strtrim(ep);
if (NULL == pPort) {
strcpy(pFqdn, ep);
return TSDB_CODE_SUCCESS;
}
char* pColon = strchr(ep, ':');
if (NULL == pColon) {
*pPort = tsServerPort;
strcpy(pFqdn, ep);
return TSDB_CODE_SUCCESS;
}
strncpy(pFqdn, ep, pColon - ep);
return parsePort(pCxt, pColon + 1, pPort);
}
static bool checkAndSplitEndpoint(SAstCreateContext* pCxt, const SToken* pEp, const SToken* pPortToken, char* pFqdn,
int32_t* pPort) {
if (NULL == pEp) {
pCxt->errCode = TSDB_CODE_PAR_SYNTAX_ERROR;
return false;
}
if (NULL != pPortToken) {
pCxt->errCode = parsePort(pCxt, pPortToken->z, pPort);
}
if (TSDB_CODE_SUCCESS == pCxt->errCode) {
pCxt->errCode = parseEndpoint(pCxt, pEp, pFqdn, (NULL != pPortToken ? NULL : pPort));
}
return TSDB_CODE_SUCCESS == pCxt->errCode;
}
static bool checkDbName(SAstCreateContext* pCxt, SToken* pDbName, bool demandDb) {
if (NULL == pDbName) {
if (demandDb && NULL == pCxt->pQueryCxt->db) {
pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_DB_NOT_SPECIFIED);
}
} else {
trimEscape(pDbName);
if (pDbName->n >= TSDB_DB_NAME_LEN) {
pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_IDENTIFIER_NAME, pDbName->z);
}
}
return TSDB_CODE_SUCCESS == pCxt->errCode;
}
static bool checkTableName(SAstCreateContext* pCxt, SToken* pTableName) {
trimEscape(pTableName);
if (NULL != pTableName && pTableName->n >= TSDB_TABLE_NAME_LEN) {
pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_IDENTIFIER_NAME, pTableName->z);
return false;
}
return true;
}
static bool checkColumnName(SAstCreateContext* pCxt, SToken* pColumnName) {
trimEscape(pColumnName);
if (NULL != pColumnName && pColumnName->n >= TSDB_COL_NAME_LEN) {
pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_IDENTIFIER_NAME, pColumnName->z);
return false;
}
return true;
}
static bool checkIndexName(SAstCreateContext* pCxt, SToken* pIndexName) {
trimEscape(pIndexName);
if (NULL != pIndexName && pIndexName->n >= TSDB_INDEX_NAME_LEN) {
pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_IDENTIFIER_NAME, pIndexName->z);
return false;
}
return true;
}
static bool checkTopicName(SAstCreateContext* pCxt, SToken* pTopicName) {
trimEscape(pTopicName);
if (pTopicName->n >= TSDB_TOPIC_NAME_LEN) {
pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_IDENTIFIER_NAME, pTopicName->z);
return false;
}
return true;
}
static bool checkStreamName(SAstCreateContext* pCxt, SToken* pStreamName) {
trimEscape(pStreamName);
if (pStreamName->n >= TSDB_STREAM_NAME_LEN) {
pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_IDENTIFIER_NAME, pStreamName->z);
return false;
}
return true;
}
static bool checkComment(SAstCreateContext* pCxt, const SToken* pCommentToken, bool demand) {
if (NULL == pCommentToken) {
pCxt->errCode = demand ? TSDB_CODE_PAR_SYNTAX_ERROR : TSDB_CODE_SUCCESS;
} else if (pCommentToken->n >= (TSDB_TB_COMMENT_LEN + 2)) {
pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_COMMENT_TOO_LONG);
}
return TSDB_CODE_SUCCESS == pCxt->errCode;
}
SNode* createRawExprNode(SAstCreateContext* pCxt, const SToken* pToken, SNode* pNode) {
CHECK_PARSER_STATUS(pCxt);
SRawExprNode* target = (SRawExprNode*)nodesMakeNode(QUERY_NODE_RAW_EXPR);
CHECK_OUT_OF_MEM(target);
target->p = pToken->z;
target->n = pToken->n;
target->pNode = pNode;
return (SNode*)target;
}
SNode* createRawExprNodeExt(SAstCreateContext* pCxt, const SToken* pStart, const SToken* pEnd, SNode* pNode) {
CHECK_PARSER_STATUS(pCxt);
SRawExprNode* target = (SRawExprNode*)nodesMakeNode(QUERY_NODE_RAW_EXPR);
CHECK_OUT_OF_MEM(target);
target->p = pStart->z;
target->n = (pEnd->z + pEnd->n) - pStart->z;
target->pNode = pNode;
return (SNode*)target;
}
SNode* releaseRawExprNode(SAstCreateContext* pCxt, SNode* pNode) {
CHECK_PARSER_STATUS(pCxt);
SRawExprNode* pRawExpr = (SRawExprNode*)pNode;
SNode* pRealizedExpr = pRawExpr->pNode;
if (nodesIsExprNode(pRealizedExpr)) {
SExprNode* pExpr = (SExprNode*)pRealizedExpr;
if (QUERY_NODE_COLUMN == nodeType(pExpr)) {
strcpy(pExpr->aliasName, ((SColumnNode*)pExpr)->colName);
strcpy(pExpr->userAlias, ((SColumnNode*)pExpr)->colName);
} else {
int32_t len = TMIN(sizeof(pExpr->aliasName) - 1, pRawExpr->n);
strncpy(pExpr->aliasName, pRawExpr->p, len);
pExpr->aliasName[len] = '\0';
strncpy(pExpr->userAlias, pRawExpr->p, len);
pExpr->userAlias[len] = '\0';
}
}
pRawExpr->pNode = NULL;
nodesDestroyNode(pNode);
return pRealizedExpr;
}
SToken getTokenFromRawExprNode(SAstCreateContext* pCxt, SNode* pNode) {
if (NULL == pNode || QUERY_NODE_RAW_EXPR != nodeType(pNode)) {
pCxt->errCode = TSDB_CODE_PAR_SYNTAX_ERROR;
return nil_token;
}
SRawExprNode* target = (SRawExprNode*)pNode;
SToken t = {.type = 0, .z = target->p, .n = target->n};
return t;
}
SNodeList* createNodeList(SAstCreateContext* pCxt, SNode* pNode) {
CHECK_PARSER_STATUS(pCxt);
SNodeList* list = nodesMakeList();
CHECK_OUT_OF_MEM(list);
pCxt->errCode = nodesListAppend(list, pNode);
return list;
}
SNodeList* addNodeToList(SAstCreateContext* pCxt, SNodeList* pList, SNode* pNode) {
CHECK_PARSER_STATUS(pCxt);
pCxt->errCode = nodesListAppend(pList, pNode);
return pList;
}
SNode* createColumnNode(SAstCreateContext* pCxt, SToken* pTableAlias, SToken* pColumnName) {
CHECK_PARSER_STATUS(pCxt);
if (!checkTableName(pCxt, pTableAlias) || !checkColumnName(pCxt, pColumnName)) {
return NULL;
}
SColumnNode* col = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
CHECK_OUT_OF_MEM(col);
if (NULL != pTableAlias) {
COPY_STRING_FORM_ID_TOKEN(col->tableAlias, pTableAlias);
}
COPY_STRING_FORM_ID_TOKEN(col->colName, pColumnName);
return (SNode*)col;
}
SNode* createValueNode(SAstCreateContext* pCxt, int32_t dataType, const SToken* pLiteral) {
CHECK_PARSER_STATUS(pCxt);
SValueNode* val = (SValueNode*)nodesMakeNode(QUERY_NODE_VALUE);
CHECK_OUT_OF_MEM(val);
val->literal = strndup(pLiteral->z, pLiteral->n);
if (TK_NK_ID != pLiteral->type && TK_TIMEZONE != pLiteral->type &&
(IS_VAR_DATA_TYPE(dataType) || TSDB_DATA_TYPE_TIMESTAMP == dataType)) {
trimString(pLiteral->z, pLiteral->n, val->literal, pLiteral->n);
}
CHECK_OUT_OF_MEM(val->literal);
val->node.resType.type = dataType;
val->node.resType.bytes = IS_VAR_DATA_TYPE(dataType) ? strlen(val->literal) : tDataTypes[dataType].bytes;
if (TSDB_DATA_TYPE_TIMESTAMP == dataType) {
val->node.resType.precision = TSDB_TIME_PRECISION_MILLI;
}
val->isDuration = false;
val->translate = false;
return (SNode*)val;
}
SNode* createIdentifierValueNode(SAstCreateContext* pCxt, SToken* pLiteral) {
trimEscape(pLiteral);
return createValueNode(pCxt, TSDB_DATA_TYPE_BINARY, pLiteral);
}
SNode* createDurationValueNode(SAstCreateContext* pCxt, const SToken* pLiteral) {
CHECK_PARSER_STATUS(pCxt);
SValueNode* val = (SValueNode*)nodesMakeNode(QUERY_NODE_VALUE);
CHECK_OUT_OF_MEM(val);
val->literal = strndup(pLiteral->z, pLiteral->n);
CHECK_OUT_OF_MEM(val->literal);
val->isDuration = true;
val->translate = false;
val->node.resType.type = TSDB_DATA_TYPE_BIGINT;
val->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_BIGINT].bytes;
val->node.resType.precision = TSDB_TIME_PRECISION_MILLI;
return (SNode*)val;
}
SNode* createDefaultDatabaseCondValue(SAstCreateContext* pCxt) {
CHECK_PARSER_STATUS(pCxt);
if (NULL == pCxt->pQueryCxt->db) {
return NULL;
}
SValueNode* val = (SValueNode*)nodesMakeNode(QUERY_NODE_VALUE);
CHECK_OUT_OF_MEM(val);
val->literal = taosStrdup(pCxt->pQueryCxt->db);
CHECK_OUT_OF_MEM(val->literal);
val->isDuration = false;
val->translate = false;
val->node.resType.type = TSDB_DATA_TYPE_BINARY;
val->node.resType.bytes = strlen(val->literal);
val->node.resType.precision = TSDB_TIME_PRECISION_MILLI;
return (SNode*)val;
}
SNode* createPlaceholderValueNode(SAstCreateContext* pCxt, const SToken* pLiteral) {
CHECK_PARSER_STATUS(pCxt);
if (NULL == pCxt->pQueryCxt->pStmtCb) {
pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_SYNTAX_ERROR, pLiteral->z);
return NULL;
}
SValueNode* val = (SValueNode*)nodesMakeNode(QUERY_NODE_VALUE);
CHECK_OUT_OF_MEM(val);
val->literal = strndup(pLiteral->z, pLiteral->n);
CHECK_OUT_OF_MEM(val->literal);
val->placeholderNo = ++pCxt->placeholderNo;
if (NULL == pCxt->pPlaceholderValues) {
pCxt->pPlaceholderValues = taosArrayInit(TARRAY_MIN_SIZE, POINTER_BYTES);
if (NULL == pCxt->pPlaceholderValues) {
nodesDestroyNode((SNode*)val);
return NULL;
}
}
taosArrayPush(pCxt->pPlaceholderValues, &val);
return (SNode*)val;
}
static int32_t addParamToLogicConditionNode(SLogicConditionNode* pCond, SNode* pParam) {
if (QUERY_NODE_LOGIC_CONDITION == nodeType(pParam) && pCond->condType == ((SLogicConditionNode*)pParam)->condType) {
int32_t code = nodesListAppendList(pCond->pParameterList, ((SLogicConditionNode*)pParam)->pParameterList);
((SLogicConditionNode*)pParam)->pParameterList = NULL;
nodesDestroyNode(pParam);
return code;
} else {
return nodesListAppend(pCond->pParameterList, pParam);
}
}
SNode* createLogicConditionNode(SAstCreateContext* pCxt, ELogicConditionType type, SNode* pParam1, SNode* pParam2) {
CHECK_PARSER_STATUS(pCxt);
SLogicConditionNode* cond = (SLogicConditionNode*)nodesMakeNode(QUERY_NODE_LOGIC_CONDITION);
CHECK_OUT_OF_MEM(cond);
cond->condType = type;
cond->pParameterList = nodesMakeList();
int32_t code = addParamToLogicConditionNode(cond, pParam1);
if (TSDB_CODE_SUCCESS == code && NULL != pParam2) {
code = addParamToLogicConditionNode(cond, pParam2);
}
if (TSDB_CODE_SUCCESS != code) {
nodesDestroyNode((SNode*)cond);
return NULL;
}
return (SNode*)cond;
}
static uint8_t getMinusDataType(uint8_t orgType) {
switch (orgType) {
case TSDB_DATA_TYPE_UTINYINT:
case TSDB_DATA_TYPE_USMALLINT:
case TSDB_DATA_TYPE_UINT:
case TSDB_DATA_TYPE_UBIGINT:
return TSDB_DATA_TYPE_BIGINT;
default:
break;
}
return orgType;
}
SNode* createOperatorNode(SAstCreateContext* pCxt, EOperatorType type, SNode* pLeft, SNode* pRight) {
CHECK_PARSER_STATUS(pCxt);
if (OP_TYPE_MINUS == type && QUERY_NODE_VALUE == nodeType(pLeft)) {
SValueNode* pVal = (SValueNode*)pLeft;
char* pNewLiteral = taosMemoryCalloc(1, strlen(pVal->literal) + 2);
CHECK_OUT_OF_MEM(pNewLiteral);
if ('+' == pVal->literal[0]) {
sprintf(pNewLiteral, "-%s", pVal->literal + 1);
} else if ('-' == pVal->literal[0]) {
sprintf(pNewLiteral, "%s", pVal->literal + 1);
} else {
sprintf(pNewLiteral, "-%s", pVal->literal);
}
taosMemoryFree(pVal->literal);
pVal->literal = pNewLiteral;
pVal->node.resType.type = getMinusDataType(pVal->node.resType.type);
return pLeft;
}
SOperatorNode* op = (SOperatorNode*)nodesMakeNode(QUERY_NODE_OPERATOR);
CHECK_OUT_OF_MEM(op);
op->opType = type;
op->pLeft = pLeft;
op->pRight = pRight;
return (SNode*)op;
}
SNode* createBetweenAnd(SAstCreateContext* pCxt, SNode* pExpr, SNode* pLeft, SNode* pRight) {
CHECK_PARSER_STATUS(pCxt);
return createLogicConditionNode(pCxt, LOGIC_COND_TYPE_AND,
createOperatorNode(pCxt, OP_TYPE_GREATER_EQUAL, pExpr, pLeft),
createOperatorNode(pCxt, OP_TYPE_LOWER_EQUAL, nodesCloneNode(pExpr), pRight));
}
SNode* createNotBetweenAnd(SAstCreateContext* pCxt, SNode* pExpr, SNode* pLeft, SNode* pRight) {
CHECK_PARSER_STATUS(pCxt);
return createLogicConditionNode(pCxt, LOGIC_COND_TYPE_OR, createOperatorNode(pCxt, OP_TYPE_LOWER_THAN, pExpr, pLeft),
createOperatorNode(pCxt, OP_TYPE_GREATER_THAN, nodesCloneNode(pExpr), pRight));
}
static SNode* createPrimaryKeyCol(SAstCreateContext* pCxt, const SToken* pFuncName) {
CHECK_PARSER_STATUS(pCxt);
SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
CHECK_OUT_OF_MEM(pCol);
pCol->colId = PRIMARYKEY_TIMESTAMP_COL_ID;
if (NULL == pFuncName) {
strcpy(pCol->colName, ROWTS_PSEUDO_COLUMN_NAME);
} else {
strncpy(pCol->colName, pFuncName->z, pFuncName->n);
}
return (SNode*)pCol;
}
SNode* createFunctionNode(SAstCreateContext* pCxt, const SToken* pFuncName, SNodeList* pParameterList) {
CHECK_PARSER_STATUS(pCxt);
if (0 == strncasecmp("_rowts", pFuncName->z, pFuncName->n) || 0 == strncasecmp("_c0", pFuncName->z, pFuncName->n)) {
return createPrimaryKeyCol(pCxt, pFuncName);
}
SFunctionNode* func = (SFunctionNode*)nodesMakeNode(QUERY_NODE_FUNCTION);
CHECK_OUT_OF_MEM(func);
COPY_STRING_FORM_ID_TOKEN(func->functionName, pFuncName);
func->pParameterList = pParameterList;
return (SNode*)func;
}
SNode* createCastFunctionNode(SAstCreateContext* pCxt, SNode* pExpr, SDataType dt) {
CHECK_PARSER_STATUS(pCxt);
SFunctionNode* func = (SFunctionNode*)nodesMakeNode(QUERY_NODE_FUNCTION);
CHECK_OUT_OF_MEM(func);
strcpy(func->functionName, "cast");
func->node.resType = dt;
if (TSDB_DATA_TYPE_VARCHAR == dt.type) {
func->node.resType.bytes = func->node.resType.bytes + VARSTR_HEADER_SIZE;
} else if (TSDB_DATA_TYPE_NCHAR == dt.type) {
func->node.resType.bytes = func->node.resType.bytes * TSDB_NCHAR_SIZE + VARSTR_HEADER_SIZE;
}
nodesListMakeAppend(&func->pParameterList, pExpr);
return (SNode*)func;
}
SNode* createNodeListNode(SAstCreateContext* pCxt, SNodeList* pList) {
CHECK_PARSER_STATUS(pCxt);
SNodeListNode* list = (SNodeListNode*)nodesMakeNode(QUERY_NODE_NODE_LIST);
CHECK_OUT_OF_MEM(list);
list->pNodeList = pList;
return (SNode*)list;
}
SNode* createNodeListNodeEx(SAstCreateContext* pCxt, SNode* p1, SNode* p2) {
CHECK_PARSER_STATUS(pCxt);
SNodeListNode* list = (SNodeListNode*)nodesMakeNode(QUERY_NODE_NODE_LIST);
CHECK_OUT_OF_MEM(list);
list->pNodeList = nodesMakeList();
CHECK_OUT_OF_MEM(list->pNodeList);
nodesListAppend(list->pNodeList, p1);
nodesListAppend(list->pNodeList, p2);
return (SNode*)list;
}
SNode* createRealTableNode(SAstCreateContext* pCxt, SToken* pDbName, SToken* pTableName, SToken* pTableAlias) {
CHECK_PARSER_STATUS(pCxt);
if (!checkDbName(pCxt, pDbName, true) || !checkTableName(pCxt, pTableName) || !checkTableName(pCxt, pTableAlias)) {
return NULL;
}
SRealTableNode* realTable = (SRealTableNode*)nodesMakeNode(QUERY_NODE_REAL_TABLE);
CHECK_OUT_OF_MEM(realTable);
if (NULL != pDbName) {
COPY_STRING_FORM_ID_TOKEN(realTable->table.dbName, pDbName);
} else {
snprintf(realTable->table.dbName, sizeof(realTable->table.dbName), "%s", pCxt->pQueryCxt->db);
}
if (NULL != pTableAlias && TK_NK_NIL != pTableAlias->type) {
COPY_STRING_FORM_ID_TOKEN(realTable->table.tableAlias, pTableAlias);
} else {
COPY_STRING_FORM_ID_TOKEN(realTable->table.tableAlias, pTableName);
}
COPY_STRING_FORM_ID_TOKEN(realTable->table.tableName, pTableName);
return (SNode*)realTable;
}
SNode* createTempTableNode(SAstCreateContext* pCxt, SNode* pSubquery, const SToken* pTableAlias) {
CHECK_PARSER_STATUS(pCxt);
STempTableNode* tempTable = (STempTableNode*)nodesMakeNode(QUERY_NODE_TEMP_TABLE);
CHECK_OUT_OF_MEM(tempTable);
tempTable->pSubquery = pSubquery;
if (NULL != pTableAlias && TK_NK_NIL != pTableAlias->type) {
COPY_STRING_FORM_ID_TOKEN(tempTable->table.tableAlias, pTableAlias);
} else {
taosRandStr(tempTable->table.tableAlias, 8);
}
if (QUERY_NODE_SELECT_STMT == nodeType(pSubquery)) {
strcpy(((SSelectStmt*)pSubquery)->stmtName, tempTable->table.tableAlias);
((SSelectStmt*)pSubquery)->isSubquery = true;
} else if (QUERY_NODE_SET_OPERATOR == nodeType(pSubquery)) {
strcpy(((SSetOperator*)pSubquery)->stmtName, tempTable->table.tableAlias);
}
return (SNode*)tempTable;
}
SNode* createJoinTableNode(SAstCreateContext* pCxt, EJoinType type, SNode* pLeft, SNode* pRight, SNode* pJoinCond) {
CHECK_PARSER_STATUS(pCxt);
SJoinTableNode* joinTable = (SJoinTableNode*)nodesMakeNode(QUERY_NODE_JOIN_TABLE);
CHECK_OUT_OF_MEM(joinTable);
joinTable->joinType = type;
joinTable->pLeft = pLeft;
joinTable->pRight = pRight;
joinTable->pOnCond = pJoinCond;
return (SNode*)joinTable;
}
SNode* createLimitNode(SAstCreateContext* pCxt, const SToken* pLimit, const SToken* pOffset) {
CHECK_PARSER_STATUS(pCxt);
SLimitNode* limitNode = (SLimitNode*)nodesMakeNode(QUERY_NODE_LIMIT);
CHECK_OUT_OF_MEM(limitNode);
limitNode->limit = taosStr2Int64(pLimit->z, NULL, 10);
if (NULL != pOffset) {
limitNode->offset = taosStr2Int64(pOffset->z, NULL, 10);
}
return (SNode*)limitNode;
}
SNode* createOrderByExprNode(SAstCreateContext* pCxt, SNode* pExpr, EOrder order, ENullOrder nullOrder) {
CHECK_PARSER_STATUS(pCxt);
SOrderByExprNode* orderByExpr = (SOrderByExprNode*)nodesMakeNode(QUERY_NODE_ORDER_BY_EXPR);
CHECK_OUT_OF_MEM(orderByExpr);
orderByExpr->pExpr = pExpr;
orderByExpr->order = order;
if (NULL_ORDER_DEFAULT == nullOrder) {
nullOrder = (ORDER_ASC == order ? NULL_ORDER_FIRST : NULL_ORDER_LAST);
}
orderByExpr->nullOrder = nullOrder;
return (SNode*)orderByExpr;
}
SNode* createSessionWindowNode(SAstCreateContext* pCxt, SNode* pCol, SNode* pGap) {
CHECK_PARSER_STATUS(pCxt);
SSessionWindowNode* session = (SSessionWindowNode*)nodesMakeNode(QUERY_NODE_SESSION_WINDOW);
CHECK_OUT_OF_MEM(session);
session->pCol = (SColumnNode*)pCol;
session->pGap = (SValueNode*)pGap;
return (SNode*)session;
}
SNode* createStateWindowNode(SAstCreateContext* pCxt, SNode* pExpr) {
CHECK_PARSER_STATUS(pCxt);
SStateWindowNode* state = (SStateWindowNode*)nodesMakeNode(QUERY_NODE_STATE_WINDOW);
CHECK_OUT_OF_MEM(state);
state->pCol = createPrimaryKeyCol(pCxt, NULL);
if (NULL == state->pCol) {
nodesDestroyNode((SNode*)state);
CHECK_OUT_OF_MEM(NULL);
}
state->pExpr = pExpr;
return (SNode*)state;
}
SNode* createEventWindowNode(SAstCreateContext* pCxt, SNode* pStartCond, SNode* pEndCond) {
CHECK_PARSER_STATUS(pCxt);
SEventWindowNode* pEvent = (SEventWindowNode*)nodesMakeNode(QUERY_NODE_EVENT_WINDOW);
CHECK_OUT_OF_MEM(pEvent);
pEvent->pCol = createPrimaryKeyCol(pCxt, NULL);
if (NULL == pEvent->pCol) {
nodesDestroyNode((SNode*)pEvent);
CHECK_OUT_OF_MEM(NULL);
}
pEvent->pStartCond = pStartCond;
pEvent->pEndCond = pEndCond;
return (SNode*)pEvent;
}
SNode* createIntervalWindowNode(SAstCreateContext* pCxt, SNode* pInterval, SNode* pOffset, SNode* pSliding,
SNode* pFill) {
CHECK_PARSER_STATUS(pCxt);
SIntervalWindowNode* interval = (SIntervalWindowNode*)nodesMakeNode(QUERY_NODE_INTERVAL_WINDOW);
CHECK_OUT_OF_MEM(interval);
interval->pCol = createPrimaryKeyCol(pCxt, NULL);
if (NULL == interval->pCol) {
nodesDestroyNode((SNode*)interval);
CHECK_OUT_OF_MEM(NULL);
}
interval->pInterval = pInterval;
interval->pOffset = pOffset;
interval->pSliding = pSliding;
interval->pFill = pFill;
return (SNode*)interval;
}
SNode* createFillNode(SAstCreateContext* pCxt, EFillMode mode, SNode* pValues) {
CHECK_PARSER_STATUS(pCxt);
SFillNode* fill = (SFillNode*)nodesMakeNode(QUERY_NODE_FILL);
CHECK_OUT_OF_MEM(fill);
fill->mode = mode;
fill->pValues = pValues;
fill->pWStartTs = nodesMakeNode(QUERY_NODE_FUNCTION);
if (NULL == fill->pWStartTs) {
nodesDestroyNode((SNode*)fill);
CHECK_OUT_OF_MEM(NULL);
}
strcpy(((SFunctionNode*)fill->pWStartTs)->functionName, "_wstart");
return (SNode*)fill;
}
SNode* createGroupingSetNode(SAstCreateContext* pCxt, SNode* pNode) {
CHECK_PARSER_STATUS(pCxt);
SGroupingSetNode* groupingSet = (SGroupingSetNode*)nodesMakeNode(QUERY_NODE_GROUPING_SET);
CHECK_OUT_OF_MEM(groupingSet);
groupingSet->groupingSetType = GP_TYPE_NORMAL;
groupingSet->pParameterList = nodesMakeList();
nodesListAppend(groupingSet->pParameterList, pNode);
return (SNode*)groupingSet;
}
SNode* createInterpTimeRange(SAstCreateContext* pCxt, SNode* pStart, SNode* pEnd) {
CHECK_PARSER_STATUS(pCxt);
return createBetweenAnd(pCxt, createPrimaryKeyCol(pCxt, NULL), pStart, pEnd);
}
SNode* createWhenThenNode(SAstCreateContext* pCxt, SNode* pWhen, SNode* pThen) {
CHECK_PARSER_STATUS(pCxt);
SWhenThenNode* pWhenThen = (SWhenThenNode*)nodesMakeNode(QUERY_NODE_WHEN_THEN);
CHECK_OUT_OF_MEM(pWhenThen);
pWhenThen->pWhen = pWhen;
pWhenThen->pThen = pThen;
return (SNode*)pWhenThen;
}
SNode* createCaseWhenNode(SAstCreateContext* pCxt, SNode* pCase, SNodeList* pWhenThenList, SNode* pElse) {
CHECK_PARSER_STATUS(pCxt);
SCaseWhenNode* pCaseWhen = (SCaseWhenNode*)nodesMakeNode(QUERY_NODE_CASE_WHEN);
CHECK_OUT_OF_MEM(pCaseWhen);
pCaseWhen->pCase = pCase;
pCaseWhen->pWhenThenList = pWhenThenList;
pCaseWhen->pElse = pElse;
return (SNode*)pCaseWhen;
}
SNode* setProjectionAlias(SAstCreateContext* pCxt, SNode* pNode, SToken* pAlias) {
CHECK_PARSER_STATUS(pCxt);
trimEscape(pAlias);
SExprNode* pExpr = (SExprNode*)pNode;
int32_t len = TMIN(sizeof(pExpr->aliasName) - 1, pAlias->n);
strncpy(pExpr->aliasName, pAlias->z, len);
pExpr->aliasName[len] = '\0';
strncpy(pExpr->userAlias, pAlias->z, len);
pExpr->userAlias[len] = '\0';
pExpr->asAlias = true;
return pNode;
}
SNode* addWhereClause(SAstCreateContext* pCxt, SNode* pStmt, SNode* pWhere) {
CHECK_PARSER_STATUS(pCxt);
if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
((SSelectStmt*)pStmt)->pWhere = pWhere;
}
return pStmt;
}
SNode* addPartitionByClause(SAstCreateContext* pCxt, SNode* pStmt, SNodeList* pPartitionByList) {
CHECK_PARSER_STATUS(pCxt);
if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
((SSelectStmt*)pStmt)->pPartitionByList = pPartitionByList;
}
return pStmt;
}
SNode* addWindowClauseClause(SAstCreateContext* pCxt, SNode* pStmt, SNode* pWindow) {
CHECK_PARSER_STATUS(pCxt);
if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
((SSelectStmt*)pStmt)->pWindow = pWindow;
}
return pStmt;
}
SNode* addGroupByClause(SAstCreateContext* pCxt, SNode* pStmt, SNodeList* pGroupByList) {
CHECK_PARSER_STATUS(pCxt);
if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
((SSelectStmt*)pStmt)->pGroupByList = pGroupByList;
}
return pStmt;
}
SNode* addHavingClause(SAstCreateContext* pCxt, SNode* pStmt, SNode* pHaving) {
CHECK_PARSER_STATUS(pCxt);
if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
((SSelectStmt*)pStmt)->pHaving = pHaving;
}
return pStmt;
}
SNode* addOrderByClause(SAstCreateContext* pCxt, SNode* pStmt, SNodeList* pOrderByList) {
CHECK_PARSER_STATUS(pCxt);
if (NULL == pOrderByList) {
return pStmt;
}
if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
((SSelectStmt*)pStmt)->pOrderByList = pOrderByList;
} else {
((SSetOperator*)pStmt)->pOrderByList = pOrderByList;
}
return pStmt;
}
SNode* addSlimitClause(SAstCreateContext* pCxt, SNode* pStmt, SNode* pSlimit) {
CHECK_PARSER_STATUS(pCxt);
if (NULL == pSlimit) {
return pStmt;
}
if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
((SSelectStmt*)pStmt)->pSlimit = (SLimitNode*)pSlimit;
}
return pStmt;
}
SNode* addLimitClause(SAstCreateContext* pCxt, SNode* pStmt, SNode* pLimit) {
CHECK_PARSER_STATUS(pCxt);
if (NULL == pLimit) {
return pStmt;
}
if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
((SSelectStmt*)pStmt)->pLimit = (SLimitNode*)pLimit;
} else {
((SSetOperator*)pStmt)->pLimit = pLimit;
}
return pStmt;
}
SNode* addRangeClause(SAstCreateContext* pCxt, SNode* pStmt, SNode* pRange) {
CHECK_PARSER_STATUS(pCxt);
if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
((SSelectStmt*)pStmt)->pRange = pRange;
}
return pStmt;
}
SNode* addEveryClause(SAstCreateContext* pCxt, SNode* pStmt, SNode* pEvery) {
CHECK_PARSER_STATUS(pCxt);
if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
((SSelectStmt*)pStmt)->pEvery = pEvery;
}
return pStmt;
}
SNode* addFillClause(SAstCreateContext* pCxt, SNode* pStmt, SNode* pFill) {
CHECK_PARSER_STATUS(pCxt);
if (QUERY_NODE_SELECT_STMT == nodeType(pStmt) && NULL != pFill) {
SFillNode* pFillClause = (SFillNode*)pFill;
nodesDestroyNode(pFillClause->pWStartTs);
pFillClause->pWStartTs = createPrimaryKeyCol(pCxt, NULL);
((SSelectStmt*)pStmt)->pFill = (SNode*)pFillClause;
}
return pStmt;
}
SNode* createSelectStmt(SAstCreateContext* pCxt, bool isDistinct, SNodeList* pProjectionList, SNode* pTable) {
CHECK_PARSER_STATUS(pCxt);
SSelectStmt* select = (SSelectStmt*)nodesMakeNode(QUERY_NODE_SELECT_STMT);
CHECK_OUT_OF_MEM(select);
select->isDistinct = isDistinct;
select->pProjectionList = pProjectionList;
select->pFromTable = pTable;
sprintf(select->stmtName, "%p", select);
select->isTimeLineResult = true;
select->onlyHasKeepOrderFunc = true;
select->timeRange = TSWINDOW_INITIALIZER;
return (SNode*)select;
}
static void setSubquery(SNode* pStmt) {
if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
((SSelectStmt*)pStmt)->isSubquery = true;
}
}
SNode* createSetOperator(SAstCreateContext* pCxt, ESetOperatorType type, SNode* pLeft, SNode* pRight) {
CHECK_PARSER_STATUS(pCxt);
SSetOperator* setOp = (SSetOperator*)nodesMakeNode(QUERY_NODE_SET_OPERATOR);
CHECK_OUT_OF_MEM(setOp);
setOp->opType = type;
setOp->pLeft = pLeft;
setSubquery(setOp->pLeft);
setOp->pRight = pRight;
setSubquery(setOp->pRight);
sprintf(setOp->stmtName, "%p", setOp);
return (SNode*)setOp;
}
static void updateWalOptionsDefault(SDatabaseOptions* pOptions) {
if (!pOptions->walRetentionPeriodIsSet) {
pOptions->walRetentionPeriod =
pOptions->replica > 1 ? TSDB_REPS_DEF_DB_WAL_RET_PERIOD : TSDB_REP_DEF_DB_WAL_RET_PERIOD;
}
if (!pOptions->walRetentionSizeIsSet) {
pOptions->walRetentionSize = pOptions->replica > 1 ? TSDB_REPS_DEF_DB_WAL_RET_SIZE : TSDB_REP_DEF_DB_WAL_RET_SIZE;
}
if (!pOptions->walRollPeriodIsSet) {
pOptions->walRollPeriod =
pOptions->replica > 1 ? TSDB_REPS_DEF_DB_WAL_ROLL_PERIOD : TSDB_REP_DEF_DB_WAL_ROLL_PERIOD;
}
}
SNode* createDefaultDatabaseOptions(SAstCreateContext* pCxt) {
CHECK_PARSER_STATUS(pCxt);
SDatabaseOptions* pOptions = (SDatabaseOptions*)nodesMakeNode(QUERY_NODE_DATABASE_OPTIONS);
CHECK_OUT_OF_MEM(pOptions);
pOptions->buffer = TSDB_DEFAULT_BUFFER_PER_VNODE;
pOptions->cacheModel = TSDB_DEFAULT_CACHE_MODEL;
pOptions->cacheLastSize = TSDB_DEFAULT_CACHE_SIZE;
pOptions->compressionLevel = TSDB_DEFAULT_COMP_LEVEL;
pOptions->daysPerFile = TSDB_DEFAULT_DAYS_PER_FILE;
pOptions->fsyncPeriod = TSDB_DEFAULT_FSYNC_PERIOD;
pOptions->maxRowsPerBlock = TSDB_DEFAULT_MAXROWS_FBLOCK;
pOptions->minRowsPerBlock = TSDB_DEFAULT_MINROWS_FBLOCK;
pOptions->keep[0] = TSDB_DEFAULT_KEEP;
pOptions->keep[1] = TSDB_DEFAULT_KEEP;
pOptions->keep[2] = TSDB_DEFAULT_KEEP;
pOptions->pages = TSDB_DEFAULT_PAGES_PER_VNODE;
pOptions->pagesize = TSDB_DEFAULT_PAGESIZE_PER_VNODE;
pOptions->tsdbPageSize = TSDB_DEFAULT_TSDB_PAGESIZE;
pOptions->precision = TSDB_DEFAULT_PRECISION;
pOptions->replica = TSDB_DEFAULT_DB_REPLICA;
pOptions->strict = TSDB_DEFAULT_DB_STRICT;
pOptions->walLevel = TSDB_DEFAULT_WAL_LEVEL;
pOptions->numOfVgroups = TSDB_DEFAULT_VN_PER_DB;
pOptions->singleStable = TSDB_DEFAULT_DB_SINGLE_STABLE;
pOptions->schemaless = TSDB_DEFAULT_DB_SCHEMALESS;
updateWalOptionsDefault(pOptions);
pOptions->walSegmentSize = TSDB_DEFAULT_DB_WAL_SEGMENT_SIZE;
pOptions->sstTrigger = TSDB_DEFAULT_SST_TRIGGER;
pOptions->tablePrefix = TSDB_DEFAULT_HASH_PREFIX;
pOptions->tableSuffix = TSDB_DEFAULT_HASH_SUFFIX;
return (SNode*)pOptions;
}
SNode* createAlterDatabaseOptions(SAstCreateContext* pCxt) {
CHECK_PARSER_STATUS(pCxt);
SDatabaseOptions* pOptions = (SDatabaseOptions*)nodesMakeNode(QUERY_NODE_DATABASE_OPTIONS);
CHECK_OUT_OF_MEM(pOptions);
pOptions->buffer = -1;
pOptions->cacheModel = -1;
pOptions->cacheLastSize = -1;
pOptions->compressionLevel = -1;
pOptions->daysPerFile = -1;
pOptions->fsyncPeriod = -1;
pOptions->maxRowsPerBlock = -1;
pOptions->minRowsPerBlock = -1;
pOptions->keep[0] = -1;
pOptions->keep[1] = -1;
pOptions->keep[2] = -1;
pOptions->pages = -1;
pOptions->pagesize = -1;
pOptions->tsdbPageSize = -1;
pOptions->precision = -1;
pOptions->replica = -1;
pOptions->strict = -1;
pOptions->walLevel = -1;
pOptions->numOfVgroups = -1;
pOptions->singleStable = -1;
pOptions->schemaless = -1;
pOptions->walRetentionPeriod = -2; // -1 is a valid value
pOptions->walRetentionSize = -2; // -1 is a valid value
pOptions->walRollPeriod = -1;
pOptions->walSegmentSize = -1;
pOptions->sstTrigger = -1;
pOptions->tablePrefix = -1;
pOptions->tableSuffix = -1;
return (SNode*)pOptions;
}
static SNode* setDatabaseOptionImpl(SAstCreateContext* pCxt, SNode* pOptions, EDatabaseOptionType type, void* pVal,
bool alter) {
CHECK_PARSER_STATUS(pCxt);
SDatabaseOptions* pDbOptions = (SDatabaseOptions*)pOptions;
switch (type) {
case DB_OPTION_BUFFER:
pDbOptions->buffer = taosStr2Int32(((SToken*)pVal)->z, NULL, 10);
break;
case DB_OPTION_CACHEMODEL:
COPY_STRING_FORM_STR_TOKEN(pDbOptions->cacheModelStr, (SToken*)pVal);
break;
case DB_OPTION_CACHESIZE:
pDbOptions->cacheLastSize = taosStr2Int32(((SToken*)pVal)->z, NULL, 10);
break;
case DB_OPTION_COMP:
pDbOptions->compressionLevel = taosStr2Int8(((SToken*)pVal)->z, NULL, 10);
break;
case DB_OPTION_DAYS: {
SToken* pToken = pVal;
if (TK_NK_INTEGER == pToken->type) {
pDbOptions->daysPerFile = taosStr2Int32(pToken->z, NULL, 10) * 1440;
} else {
pDbOptions->pDaysPerFile = (SValueNode*)createDurationValueNode(pCxt, pToken);
}
break;
}
case DB_OPTION_FSYNC:
pDbOptions->fsyncPeriod = taosStr2Int32(((SToken*)pVal)->z, NULL, 10);
break;
case DB_OPTION_MAXROWS:
pDbOptions->maxRowsPerBlock = taosStr2Int32(((SToken*)pVal)->z, NULL, 10);
break;
case DB_OPTION_MINROWS:
pDbOptions->minRowsPerBlock = taosStr2Int32(((SToken*)pVal)->z, NULL, 10);
break;
case DB_OPTION_KEEP:
pDbOptions->pKeep = pVal;
break;
case DB_OPTION_PAGES:
pDbOptions->pages = taosStr2Int32(((SToken*)pVal)->z, NULL, 10);
break;
case DB_OPTION_PAGESIZE:
pDbOptions->pagesize = taosStr2Int32(((SToken*)pVal)->z, NULL, 10);
break;
case DB_OPTION_TSDB_PAGESIZE:
pDbOptions->tsdbPageSize = taosStr2Int32(((SToken*)pVal)->z, NULL, 10);
break;
case DB_OPTION_PRECISION:
COPY_STRING_FORM_STR_TOKEN(pDbOptions->precisionStr, (SToken*)pVal);
break;
case DB_OPTION_REPLICA:
pDbOptions->replica = taosStr2Int8(((SToken*)pVal)->z, NULL, 10);
if (!alter) {
updateWalOptionsDefault(pDbOptions);
}
break;
case DB_OPTION_STRICT:
COPY_STRING_FORM_STR_TOKEN(pDbOptions->strictStr, (SToken*)pVal);
break;
case DB_OPTION_WAL:
pDbOptions->walLevel = taosStr2Int8(((SToken*)pVal)->z, NULL, 10);
break;
case DB_OPTION_VGROUPS:
pDbOptions->numOfVgroups = taosStr2Int32(((SToken*)pVal)->z, NULL, 10);
break;
case DB_OPTION_SINGLE_STABLE:
pDbOptions->singleStable = taosStr2Int8(((SToken*)pVal)->z, NULL, 10);
break;
case DB_OPTION_RETENTIONS:
pDbOptions->pRetentions = pVal;
break;
case DB_OPTION_WAL_RETENTION_PERIOD:
pDbOptions->walRetentionPeriod = taosStr2Int32(((SToken*)pVal)->z, NULL, 10);
pDbOptions->walRetentionPeriodIsSet = true;
break;
case DB_OPTION_WAL_RETENTION_SIZE:
pDbOptions->walRetentionSize = taosStr2Int32(((SToken*)pVal)->z, NULL, 10);
pDbOptions->walRetentionSizeIsSet = true;
break;
case DB_OPTION_WAL_ROLL_PERIOD:
pDbOptions->walRollPeriod = taosStr2Int32(((SToken*)pVal)->z, NULL, 10);
pDbOptions->walRollPeriodIsSet = true;
break;
case DB_OPTION_WAL_SEGMENT_SIZE:
pDbOptions->walSegmentSize = taosStr2Int32(((SToken*)pVal)->z, NULL, 10);
break;
case DB_OPTION_STT_TRIGGER:
pDbOptions->sstTrigger = taosStr2Int32(((SToken*)pVal)->z, NULL, 10);
break;
case DB_OPTION_TABLE_PREFIX: {
SValueNode *pNode = (SValueNode *)pVal;
if (TSDB_DATA_TYPE_BIGINT == pNode->node.resType.type || TSDB_DATA_TYPE_UBIGINT == pNode->node.resType.type) {
pDbOptions->tablePrefix = taosStr2Int32(pNode->literal, NULL, 10);
} else {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen, "invalid table_prefix data type");
pCxt->errCode = TSDB_CODE_PAR_SYNTAX_ERROR;
}
nodesDestroyNode((SNode*)pNode);
break;
}
case DB_OPTION_TABLE_SUFFIX:{
SValueNode *pNode = (SValueNode *)pVal;
if (TSDB_DATA_TYPE_BIGINT == pNode->node.resType.type || TSDB_DATA_TYPE_UBIGINT == pNode->node.resType.type) {
pDbOptions->tableSuffix = taosStr2Int32(pNode->literal, NULL, 10);
} else {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen, "invalid table_suffix data type");
pCxt->errCode = TSDB_CODE_PAR_SYNTAX_ERROR;
}
nodesDestroyNode((SNode*)pNode);
break;
}
default:
break;
}
return pOptions;
}
SNode* setDatabaseOption(SAstCreateContext* pCxt, SNode* pOptions, EDatabaseOptionType type, void* pVal) {
return setDatabaseOptionImpl(pCxt, pOptions, type, pVal, false);
}
SNode* setAlterDatabaseOption(SAstCreateContext* pCxt, SNode* pOptions, SAlterOption* pAlterOption) {
CHECK_PARSER_STATUS(pCxt);
switch (pAlterOption->type) {
case DB_OPTION_KEEP:
case DB_OPTION_RETENTIONS:
return setDatabaseOptionImpl(pCxt, pOptions, pAlterOption->type, pAlterOption->pList, true);
default:
break;
}
return setDatabaseOptionImpl(pCxt, pOptions, pAlterOption->type, &pAlterOption->val, true);
}
SNode* createCreateDatabaseStmt(SAstCreateContext* pCxt, bool ignoreExists, SToken* pDbName, SNode* pOptions) {
CHECK_PARSER_STATUS(pCxt);
if (!checkDbName(pCxt, pDbName, false)) {
return NULL;
}
SCreateDatabaseStmt* pStmt = (SCreateDatabaseStmt*)nodesMakeNode(QUERY_NODE_CREATE_DATABASE_STMT);
CHECK_OUT_OF_MEM(pStmt);
COPY_STRING_FORM_ID_TOKEN(pStmt->dbName, pDbName);
pStmt->ignoreExists = ignoreExists;
pStmt->pOptions = (SDatabaseOptions*)pOptions;
return (SNode*)pStmt;
}
SNode* createDropDatabaseStmt(SAstCreateContext* pCxt, bool ignoreNotExists, SToken* pDbName) {
CHECK_PARSER_STATUS(pCxt);
if (!checkDbName(pCxt, pDbName, false)) {
return NULL;
}
SDropDatabaseStmt* pStmt = (SDropDatabaseStmt*)nodesMakeNode(QUERY_NODE_DROP_DATABASE_STMT);
CHECK_OUT_OF_MEM(pStmt);
COPY_STRING_FORM_ID_TOKEN(pStmt->dbName, pDbName);
pStmt->ignoreNotExists = ignoreNotExists;
return (SNode*)pStmt;
}
SNode* createAlterDatabaseStmt(SAstCreateContext* pCxt, SToken* pDbName, SNode* pOptions) {
CHECK_PARSER_STATUS(pCxt);
if (!checkDbName(pCxt, pDbName, false)) {
return NULL;
}
SAlterDatabaseStmt* pStmt = (SAlterDatabaseStmt*)nodesMakeNode(QUERY_NODE_ALTER_DATABASE_STMT);
CHECK_OUT_OF_MEM(pStmt);
COPY_STRING_FORM_ID_TOKEN(pStmt->dbName, pDbName);
pStmt->pOptions = (SDatabaseOptions*)pOptions;
return (SNode*)pStmt;
}
SNode* createFlushDatabaseStmt(SAstCreateContext* pCxt, SToken* pDbName) {
CHECK_PARSER_STATUS(pCxt);
if (!checkDbName(pCxt, pDbName, false)) {
return NULL;
}
SFlushDatabaseStmt* pStmt = (SFlushDatabaseStmt*)nodesMakeNode(QUERY_NODE_FLUSH_DATABASE_STMT);
CHECK_OUT_OF_MEM(pStmt);
COPY_STRING_FORM_ID_TOKEN(pStmt->dbName, pDbName);
return (SNode*)pStmt;
}
SNode* createTrimDatabaseStmt(SAstCreateContext* pCxt, SToken* pDbName, int32_t maxSpeed) {
CHECK_PARSER_STATUS(pCxt);
if (!checkDbName(pCxt, pDbName, false)) {
return NULL;
}
STrimDatabaseStmt* pStmt = (STrimDatabaseStmt*)nodesMakeNode(QUERY_NODE_TRIM_DATABASE_STMT);
CHECK_OUT_OF_MEM(pStmt);
COPY_STRING_FORM_ID_TOKEN(pStmt->dbName, pDbName);
pStmt->maxSpeed = maxSpeed;
return (SNode*)pStmt;
}
SNode* createCompactStmt(SAstCreateContext* pCxt, SToken* pDbName, SNode* pStart, SNode* pEnd) {
CHECK_PARSER_STATUS(pCxt);
if (!checkDbName(pCxt, pDbName, false)) {
return NULL;
}
SCompactDatabaseStmt* pStmt = (SCompactDatabaseStmt*)nodesMakeNode(QUERY_NODE_COMPACT_DATABASE_STMT);
CHECK_OUT_OF_MEM(pStmt);
COPY_STRING_FORM_ID_TOKEN(pStmt->dbName, pDbName);
pStmt->pStart = pStart;
pStmt->pEnd = pEnd;
return (SNode*)pStmt;
}
SNode* createDefaultTableOptions(SAstCreateContext* pCxt) {
CHECK_PARSER_STATUS(pCxt);
STableOptions* pOptions = (STableOptions*)nodesMakeNode(QUERY_NODE_TABLE_OPTIONS);
CHECK_OUT_OF_MEM(pOptions);
pOptions->maxDelay1 = -1;
pOptions->maxDelay2 = -1;
pOptions->watermark1 = TSDB_DEFAULT_ROLLUP_WATERMARK;
pOptions->watermark2 = TSDB_DEFAULT_ROLLUP_WATERMARK;
pOptions->ttl = TSDB_DEFAULT_TABLE_TTL;
pOptions->commentNull = true; // mark null
return (SNode*)pOptions;
}
SNode* createAlterTableOptions(SAstCreateContext* pCxt) {
CHECK_PARSER_STATUS(pCxt);
STableOptions* pOptions = (STableOptions*)nodesMakeNode(QUERY_NODE_TABLE_OPTIONS);
CHECK_OUT_OF_MEM(pOptions);
pOptions->ttl = -1;
pOptions->commentNull = true; // mark null
return (SNode*)pOptions;
}
SNode* setTableOption(SAstCreateContext* pCxt, SNode* pOptions, ETableOptionType type, void* pVal) {
CHECK_PARSER_STATUS(pCxt);
switch (type) {
case TABLE_OPTION_COMMENT:
if (checkComment(pCxt, (SToken*)pVal, true)) {
((STableOptions*)pOptions)->commentNull = false;
COPY_STRING_FORM_STR_TOKEN(((STableOptions*)pOptions)->comment, (SToken*)pVal);
}
break;
case TABLE_OPTION_MAXDELAY:
((STableOptions*)pOptions)->pMaxDelay = pVal;
break;
case TABLE_OPTION_WATERMARK:
((STableOptions*)pOptions)->pWatermark = pVal;
break;
case TABLE_OPTION_ROLLUP:
((STableOptions*)pOptions)->pRollupFuncs = pVal;
break;
case TABLE_OPTION_TTL: {
int64_t ttl = taosStr2Int64(((SToken*)pVal)->z, NULL, 10);
if (ttl > INT32_MAX) {
ttl = INT32_MAX;
}
// ttl can not be smaller than 0, because there is a limitation in sql.y (TTL NK_INTEGER)
((STableOptions*)pOptions)->ttl = ttl;
break;
}
case TABLE_OPTION_SMA:
((STableOptions*)pOptions)->pSma = pVal;
break;
case TABLE_OPTION_DELETE_MARK:
((STableOptions*)pOptions)->pDeleteMark = pVal;
break;
default:
break;
}
return pOptions;
}
SNode* createColumnDefNode(SAstCreateContext* pCxt, SToken* pColName, SDataType dataType, const SToken* pComment) {
CHECK_PARSER_STATUS(pCxt);
if (!checkColumnName(pCxt, pColName) || !checkComment(pCxt, pComment, false)) {
return NULL;
}
SColumnDefNode* pCol = (SColumnDefNode*)nodesMakeNode(QUERY_NODE_COLUMN_DEF);
CHECK_OUT_OF_MEM(pCol);
COPY_STRING_FORM_ID_TOKEN(pCol->colName, pColName);
pCol->dataType = dataType;
if (NULL != pComment) {
trimString(pComment->z, pComment->n, pCol->comments, sizeof(pCol->comments));
}
pCol->sma = true;
return (SNode*)pCol;
}
SDataType createDataType(uint8_t type) {
SDataType dt = {.type = type, .precision = 0, .scale = 0, .bytes = tDataTypes[type].bytes};
return dt;
}
SDataType createVarLenDataType(uint8_t type, const SToken* pLen) {
SDataType dt = {.type = type, .precision = 0, .scale = 0, .bytes = taosStr2Int16(pLen->z, NULL, 10)};
return dt;
}
SNode* createCreateTableStmt(SAstCreateContext* pCxt, bool ignoreExists, SNode* pRealTable, SNodeList* pCols,
SNodeList* pTags, SNode* pOptions) {
CHECK_PARSER_STATUS(pCxt);
SCreateTableStmt* pStmt = (SCreateTableStmt*)nodesMakeNode(QUERY_NODE_CREATE_TABLE_STMT);
CHECK_OUT_OF_MEM(pStmt);
strcpy(pStmt->dbName, ((SRealTableNode*)pRealTable)->table.dbName);
strcpy(pStmt->tableName, ((SRealTableNode*)pRealTable)->table.tableName);
pStmt->ignoreExists = ignoreExists;
pStmt->pCols = pCols;
pStmt->pTags = pTags;
pStmt->pOptions = (STableOptions*)pOptions;
nodesDestroyNode(pRealTable);
return (SNode*)pStmt;
}
SNode* createCreateSubTableClause(SAstCreateContext* pCxt, bool ignoreExists, SNode* pRealTable, SNode* pUseRealTable,
SNodeList* pSpecificTags, SNodeList* pValsOfTags, SNode* pOptions) {
CHECK_PARSER_STATUS(pCxt);
SCreateSubTableClause* pStmt = (SCreateSubTableClause*)nodesMakeNode(QUERY_NODE_CREATE_SUBTABLE_CLAUSE);
CHECK_OUT_OF_MEM(pStmt);
strcpy(pStmt->dbName, ((SRealTableNode*)pRealTable)->table.dbName);
strcpy(pStmt->tableName, ((SRealTableNode*)pRealTable)->table.tableName);
strcpy(pStmt->useDbName, ((SRealTableNode*)pUseRealTable)->table.dbName);
strcpy(pStmt->useTableName, ((SRealTableNode*)pUseRealTable)->table.tableName);
pStmt->ignoreExists = ignoreExists;
pStmt->pSpecificTags = pSpecificTags;
pStmt->pValsOfTags = pValsOfTags;
pStmt->pOptions = (STableOptions*)pOptions;
nodesDestroyNode(pRealTable);
nodesDestroyNode(pUseRealTable);
return (SNode*)pStmt;
}
SNode* createCreateMultiTableStmt(SAstCreateContext* pCxt, SNodeList* pSubTables) {
CHECK_PARSER_STATUS(pCxt);
SCreateMultiTablesStmt* pStmt = (SCreateMultiTablesStmt*)nodesMakeNode(QUERY_NODE_CREATE_MULTI_TABLES_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->pSubTables = pSubTables;
return (SNode*)pStmt;
}
SNode* createDropTableClause(SAstCreateContext* pCxt, bool ignoreNotExists, SNode* pRealTable) {
CHECK_PARSER_STATUS(pCxt);
SDropTableClause* pStmt = (SDropTableClause*)nodesMakeNode(QUERY_NODE_DROP_TABLE_CLAUSE);
CHECK_OUT_OF_MEM(pStmt);
strcpy(pStmt->dbName, ((SRealTableNode*)pRealTable)->table.dbName);
strcpy(pStmt->tableName, ((SRealTableNode*)pRealTable)->table.tableName);
pStmt->ignoreNotExists = ignoreNotExists;
nodesDestroyNode(pRealTable);
return (SNode*)pStmt;
}
SNode* createDropTableStmt(SAstCreateContext* pCxt, SNodeList* pTables) {
CHECK_PARSER_STATUS(pCxt);
SDropTableStmt* pStmt = (SDropTableStmt*)nodesMakeNode(QUERY_NODE_DROP_TABLE_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->pTables = pTables;
return (SNode*)pStmt;
}
SNode* createDropSuperTableStmt(SAstCreateContext* pCxt, bool ignoreNotExists, SNode* pRealTable) {
CHECK_PARSER_STATUS(pCxt);
SDropSuperTableStmt* pStmt = (SDropSuperTableStmt*)nodesMakeNode(QUERY_NODE_DROP_SUPER_TABLE_STMT);
CHECK_OUT_OF_MEM(pStmt);
strcpy(pStmt->dbName, ((SRealTableNode*)pRealTable)->table.dbName);
strcpy(pStmt->tableName, ((SRealTableNode*)pRealTable)->table.tableName);
pStmt->ignoreNotExists = ignoreNotExists;
nodesDestroyNode(pRealTable);
return (SNode*)pStmt;
}
static SNode* createAlterTableStmtFinalize(SNode* pRealTable, SAlterTableStmt* pStmt) {
strcpy(pStmt->dbName, ((SRealTableNode*)pRealTable)->table.dbName);
strcpy(pStmt->tableName, ((SRealTableNode*)pRealTable)->table.tableName);
nodesDestroyNode(pRealTable);
return (SNode*)pStmt;
}
SNode* createAlterTableModifyOptions(SAstCreateContext* pCxt, SNode* pRealTable, SNode* pOptions) {
CHECK_PARSER_STATUS(pCxt);
SAlterTableStmt* pStmt = (SAlterTableStmt*)nodesMakeNode(QUERY_NODE_ALTER_TABLE_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->alterType = TSDB_ALTER_TABLE_UPDATE_OPTIONS;
pStmt->pOptions = (STableOptions*)pOptions;
return createAlterTableStmtFinalize(pRealTable, pStmt);
}
SNode* createAlterTableAddModifyCol(SAstCreateContext* pCxt, SNode* pRealTable, int8_t alterType, SToken* pColName,
SDataType dataType) {
CHECK_PARSER_STATUS(pCxt);
if (!checkColumnName(pCxt, pColName)) {
return NULL;
}
SAlterTableStmt* pStmt = (SAlterTableStmt*)nodesMakeNode(QUERY_NODE_ALTER_TABLE_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->alterType = alterType;
COPY_STRING_FORM_ID_TOKEN(pStmt->colName, pColName);
pStmt->dataType = dataType;
return createAlterTableStmtFinalize(pRealTable, pStmt);
}
SNode* createAlterTableDropCol(SAstCreateContext* pCxt, SNode* pRealTable, int8_t alterType, SToken* pColName) {
CHECK_PARSER_STATUS(pCxt);
if (!checkColumnName(pCxt, pColName)) {
return NULL;
}
SAlterTableStmt* pStmt = (SAlterTableStmt*)nodesMakeNode(QUERY_NODE_ALTER_TABLE_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->alterType = alterType;
COPY_STRING_FORM_ID_TOKEN(pStmt->colName, pColName);
return createAlterTableStmtFinalize(pRealTable, pStmt);
}
SNode* createAlterTableRenameCol(SAstCreateContext* pCxt, SNode* pRealTable, int8_t alterType, SToken* pOldColName,
SToken* pNewColName) {
CHECK_PARSER_STATUS(pCxt);
if (!checkColumnName(pCxt, pOldColName) || !checkColumnName(pCxt, pNewColName)) {
return NULL;
}
SAlterTableStmt* pStmt = (SAlterTableStmt*)nodesMakeNode(QUERY_NODE_ALTER_TABLE_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->alterType = alterType;
COPY_STRING_FORM_ID_TOKEN(pStmt->colName, pOldColName);
COPY_STRING_FORM_ID_TOKEN(pStmt->newColName, pNewColName);
return createAlterTableStmtFinalize(pRealTable, pStmt);
}
SNode* createAlterTableSetTag(SAstCreateContext* pCxt, SNode* pRealTable, SToken* pTagName, SNode* pVal) {
CHECK_PARSER_STATUS(pCxt);
if (!checkColumnName(pCxt, pTagName)) {
return NULL;
}
SAlterTableStmt* pStmt = (SAlterTableStmt*)nodesMakeNode(QUERY_NODE_ALTER_TABLE_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->alterType = TSDB_ALTER_TABLE_UPDATE_TAG_VAL;
COPY_STRING_FORM_ID_TOKEN(pStmt->colName, pTagName);
pStmt->pVal = (SValueNode*)pVal;
return createAlterTableStmtFinalize(pRealTable, pStmt);
}
SNode* setAlterSuperTableType(SNode* pStmt) {
setNodeType(pStmt, QUERY_NODE_ALTER_SUPER_TABLE_STMT);
return pStmt;
}
SNode* createUseDatabaseStmt(SAstCreateContext* pCxt, SToken* pDbName) {
CHECK_PARSER_STATUS(pCxt);
if (!checkDbName(pCxt, pDbName, false)) {
return NULL;
}
SUseDatabaseStmt* pStmt = (SUseDatabaseStmt*)nodesMakeNode(QUERY_NODE_USE_DATABASE_STMT);
CHECK_OUT_OF_MEM(pStmt);
COPY_STRING_FORM_ID_TOKEN(pStmt->dbName, pDbName);
return (SNode*)pStmt;
}
static bool needDbShowStmt(ENodeType type) {
return QUERY_NODE_SHOW_TABLES_STMT == type || QUERY_NODE_SHOW_STABLES_STMT == type ||
QUERY_NODE_SHOW_VGROUPS_STMT == type || QUERY_NODE_SHOW_INDEXES_STMT == type ||
QUERY_NODE_SHOW_TAGS_STMT == type || QUERY_NODE_SHOW_TABLE_TAGS_STMT == type;
}
SNode* createShowStmt(SAstCreateContext* pCxt, ENodeType type) {
CHECK_PARSER_STATUS(pCxt);
SShowStmt* pStmt = (SShowStmt*)nodesMakeNode(type);
CHECK_OUT_OF_MEM(pStmt);
return (SNode*)pStmt;
}
SNode* createShowStmtWithCond(SAstCreateContext* pCxt, ENodeType type, SNode* pDbName, SNode* pTbName,
EOperatorType tableCondType) {
CHECK_PARSER_STATUS(pCxt);
if (needDbShowStmt(type) && NULL == pDbName) {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen, "database not specified");
pCxt->errCode = TSDB_CODE_PAR_SYNTAX_ERROR;
return NULL;
}
SShowStmt* pStmt = (SShowStmt*)nodesMakeNode(type);
CHECK_OUT_OF_MEM(pStmt);
pStmt->pDbName = pDbName;
pStmt->pTbName = pTbName;
pStmt->tableCondType = tableCondType;
return (SNode*)pStmt;
}
SNode* createShowCreateDatabaseStmt(SAstCreateContext* pCxt, SToken* pDbName) {
CHECK_PARSER_STATUS(pCxt);
if (!checkDbName(pCxt, pDbName, true)) {
return NULL;
}
SShowCreateDatabaseStmt* pStmt = (SShowCreateDatabaseStmt*)nodesMakeNode(QUERY_NODE_SHOW_CREATE_DATABASE_STMT);
CHECK_OUT_OF_MEM(pStmt);
COPY_STRING_FORM_ID_TOKEN(pStmt->dbName, pDbName);
return (SNode*)pStmt;
}
SNode* createShowAliveStmt(SAstCreateContext* pCxt, SNode* pNode, ENodeType type) {
CHECK_PARSER_STATUS(pCxt);
SToken dbToken = {0};
SToken* pDbToken = NULL;
if (pNode) {
SValueNode* pDbName = (SValueNode*)pNode;
if (pDbName->literal) {
dbToken.z = pDbName->literal;
dbToken.n = strlen(pDbName->literal);
pDbToken = &dbToken;
}
}
if (pDbToken && !checkDbName(pCxt, pDbToken, true)) {
nodesDestroyNode(pNode);
return NULL;
}
SShowAliveStmt* pStmt = (SShowAliveStmt*)nodesMakeNode(type);
CHECK_OUT_OF_MEM(pStmt);
if (pDbToken) {
COPY_STRING_FORM_ID_TOKEN(pStmt->dbName, pDbToken);
}
if (pNode) {
nodesDestroyNode(pNode);
}
return (SNode*)pStmt;
}
SNode* createShowCreateTableStmt(SAstCreateContext* pCxt, ENodeType type, SNode* pRealTable) {
CHECK_PARSER_STATUS(pCxt);
SShowCreateTableStmt* pStmt = (SShowCreateTableStmt*)nodesMakeNode(type);
CHECK_OUT_OF_MEM(pStmt);
strcpy(pStmt->dbName, ((SRealTableNode*)pRealTable)->table.dbName);
strcpy(pStmt->tableName, ((SRealTableNode*)pRealTable)->table.tableName);
nodesDestroyNode(pRealTable);
return (SNode*)pStmt;
}
SNode* createShowTableDistributedStmt(SAstCreateContext* pCxt, SNode* pRealTable) {
CHECK_PARSER_STATUS(pCxt);
SShowTableDistributedStmt* pStmt = (SShowTableDistributedStmt*)nodesMakeNode(QUERY_NODE_SHOW_TABLE_DISTRIBUTED_STMT);
CHECK_OUT_OF_MEM(pStmt);
strcpy(pStmt->dbName, ((SRealTableNode*)pRealTable)->table.dbName);
strcpy(pStmt->tableName, ((SRealTableNode*)pRealTable)->table.tableName);
nodesDestroyNode(pRealTable);
return (SNode*)pStmt;
}
SNode* createShowDnodeVariablesStmt(SAstCreateContext* pCxt, SNode* pDnodeId, SNode* pLikePattern) {
CHECK_PARSER_STATUS(pCxt);
SShowDnodeVariablesStmt* pStmt = (SShowDnodeVariablesStmt*)nodesMakeNode(QUERY_NODE_SHOW_DNODE_VARIABLES_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->pDnodeId = pDnodeId;
pStmt->pLikePattern = pLikePattern;
return (SNode*)pStmt;
}
SNode* createShowVnodesStmt(SAstCreateContext* pCxt, SNode* pDnodeId, SNode* pDnodeEndpoint) {
CHECK_PARSER_STATUS(pCxt);
SShowVnodesStmt* pStmt = (SShowVnodesStmt*)nodesMakeNode(QUERY_NODE_SHOW_VNODES_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->pDnodeId = pDnodeId;
pStmt->pDnodeEndpoint = pDnodeEndpoint;
return (SNode*)pStmt;
}
SNode* createShowTableTagsStmt(SAstCreateContext* pCxt, SNode* pTbName, SNode* pDbName, SNodeList* pTags) {
CHECK_PARSER_STATUS(pCxt);
if (NULL == pDbName) {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen, "database not specified");
pCxt->errCode = TSDB_CODE_PAR_SYNTAX_ERROR;
return NULL;
}
SShowTableTagsStmt* pStmt = (SShowTableTagsStmt*)nodesMakeNode(QUERY_NODE_SHOW_TABLE_TAGS_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->pDbName = pDbName;
pStmt->pTbName = pTbName;
pStmt->pTags = pTags;
return (SNode*)pStmt;
}
SNode* createCreateUserStmt(SAstCreateContext* pCxt, SToken* pUserName, const SToken* pPassword, int8_t sysinfo) {
CHECK_PARSER_STATUS(pCxt);
char password[TSDB_USET_PASSWORD_LEN + 3] = {0};
if (!checkUserName(pCxt, pUserName) || !checkPassword(pCxt, pPassword, password)) {
return NULL;
}
SCreateUserStmt* pStmt = (SCreateUserStmt*)nodesMakeNode(QUERY_NODE_CREATE_USER_STMT);
CHECK_OUT_OF_MEM(pStmt);
COPY_STRING_FORM_ID_TOKEN(pStmt->userName, pUserName);
strcpy(pStmt->password, password);
pStmt->sysinfo = sysinfo;
return (SNode*)pStmt;
}
SNode* createAlterUserStmt(SAstCreateContext* pCxt, SToken* pUserName, int8_t alterType, const SToken* pVal) {
CHECK_PARSER_STATUS(pCxt);
if (!checkUserName(pCxt, pUserName)) {
return NULL;
}
SAlterUserStmt* pStmt = (SAlterUserStmt*)nodesMakeNode(QUERY_NODE_ALTER_USER_STMT);
CHECK_OUT_OF_MEM(pStmt);
COPY_STRING_FORM_ID_TOKEN(pStmt->userName, pUserName);
pStmt->alterType = alterType;
switch (alterType) {
case TSDB_ALTER_USER_PASSWD: {
char password[TSDB_USET_PASSWORD_LEN] = {0};
if (!checkPassword(pCxt, pVal, password)) {
nodesDestroyNode((SNode*)pStmt);
return NULL;
}
strcpy(pStmt->password, password);
break;
}
case TSDB_ALTER_USER_ENABLE:
pStmt->enable = taosStr2Int8(pVal->z, NULL, 10);
break;
case TSDB_ALTER_USER_SYSINFO:
pStmt->sysinfo = taosStr2Int8(pVal->z, NULL, 10);
break;
default:
break;
}
return (SNode*)pStmt;
}
SNode* createDropUserStmt(SAstCreateContext* pCxt, SToken* pUserName) {
CHECK_PARSER_STATUS(pCxt);
if (!checkUserName(pCxt, pUserName)) {
return NULL;
}
SDropUserStmt* pStmt = (SDropUserStmt*)nodesMakeNode(QUERY_NODE_DROP_USER_STMT);
CHECK_OUT_OF_MEM(pStmt);
COPY_STRING_FORM_ID_TOKEN(pStmt->userName, pUserName);
return (SNode*)pStmt;
}
SNode* createCreateDnodeStmt(SAstCreateContext* pCxt, const SToken* pFqdn, const SToken* pPort) {
CHECK_PARSER_STATUS(pCxt);
SCreateDnodeStmt* pStmt = (SCreateDnodeStmt*)nodesMakeNode(QUERY_NODE_CREATE_DNODE_STMT);
CHECK_OUT_OF_MEM(pStmt);
if (!checkAndSplitEndpoint(pCxt, pFqdn, pPort, pStmt->fqdn, &pStmt->port)) {
nodesDestroyNode((SNode*)pStmt);
return NULL;
}
return (SNode*)pStmt;
}
SNode* createDropDnodeStmt(SAstCreateContext* pCxt, const SToken* pDnode, bool force) {
CHECK_PARSER_STATUS(pCxt);
SDropDnodeStmt* pStmt = (SDropDnodeStmt*)nodesMakeNode(QUERY_NODE_DROP_DNODE_STMT);
CHECK_OUT_OF_MEM(pStmt);
if (TK_NK_INTEGER == pDnode->type) {
pStmt->dnodeId = taosStr2Int32(pDnode->z, NULL, 10);
} else {
if (!checkAndSplitEndpoint(pCxt, pDnode, NULL, pStmt->fqdn, &pStmt->port)) {
nodesDestroyNode((SNode*)pStmt);
return NULL;
}
}
pStmt->force = force;
return (SNode*)pStmt;
}
SNode* createAlterDnodeStmt(SAstCreateContext* pCxt, const SToken* pDnode, const SToken* pConfig,
const SToken* pValue) {
CHECK_PARSER_STATUS(pCxt);
SAlterDnodeStmt* pStmt = (SAlterDnodeStmt*)nodesMakeNode(QUERY_NODE_ALTER_DNODE_STMT);
CHECK_OUT_OF_MEM(pStmt);
if (NULL != pDnode) {
pStmt->dnodeId = taosStr2Int32(pDnode->z, NULL, 10);
} else {
pStmt->dnodeId = -1;
}
trimString(pConfig->z, pConfig->n, pStmt->config, sizeof(pStmt->config));
if (NULL != pValue) {
trimString(pValue->z, pValue->n, pStmt->value, sizeof(pStmt->value));
}
return (SNode*)pStmt;
}
SNode* createRealTableNodeForIndexName(SAstCreateContext* pCxt, SToken* pDbName, SToken* pIndexName) {
if (!checkIndexName(pCxt, pIndexName)) {
return NULL;
}
return createRealTableNode(pCxt, pDbName, pIndexName, NULL);
}
SNode* createCreateIndexStmt(SAstCreateContext* pCxt, EIndexType type, bool ignoreExists, SNode* pIndexName,
SNode* pRealTable, SNodeList* pCols, SNode* pOptions) {
CHECK_PARSER_STATUS(pCxt);
SCreateIndexStmt* pStmt = (SCreateIndexStmt*)nodesMakeNode(QUERY_NODE_CREATE_INDEX_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->indexType = type;
pStmt->ignoreExists = ignoreExists;
snprintf(pStmt->indexDbName, sizeof(pStmt->indexDbName), "%s", ((SRealTableNode*)pIndexName)->table.dbName);
snprintf(pStmt->indexName, sizeof(pStmt->indexName), "%s", ((SRealTableNode*)pIndexName)->table.tableName);
snprintf(pStmt->dbName, sizeof(pStmt->dbName), "%s", ((SRealTableNode*)pRealTable)->table.dbName);
snprintf(pStmt->tableName, sizeof(pStmt->tableName), "%s", ((SRealTableNode*)pRealTable)->table.tableName);
nodesDestroyNode(pIndexName);
nodesDestroyNode(pRealTable);
pStmt->pCols = pCols;
pStmt->pOptions = (SIndexOptions*)pOptions;
return (SNode*)pStmt;
}
SNode* createIndexOption(SAstCreateContext* pCxt, SNodeList* pFuncs, SNode* pInterval, SNode* pOffset, SNode* pSliding,
SNode* pStreamOptions) {
CHECK_PARSER_STATUS(pCxt);
SIndexOptions* pOptions = (SIndexOptions*)nodesMakeNode(QUERY_NODE_INDEX_OPTIONS);
CHECK_OUT_OF_MEM(pOptions);
pOptions->pFuncs = pFuncs;
pOptions->pInterval = pInterval;
pOptions->pOffset = pOffset;
pOptions->pSliding = pSliding;
pOptions->pStreamOptions = pStreamOptions;
return (SNode*)pOptions;
}
SNode* createDropIndexStmt(SAstCreateContext* pCxt, bool ignoreNotExists, SNode* pIndexName) {
CHECK_PARSER_STATUS(pCxt);
SDropIndexStmt* pStmt = (SDropIndexStmt*)nodesMakeNode(QUERY_NODE_DROP_INDEX_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->ignoreNotExists = ignoreNotExists;
snprintf(pStmt->indexDbName, sizeof(pStmt->indexDbName), "%s", ((SRealTableNode*)pIndexName)->table.dbName);
snprintf(pStmt->indexName, sizeof(pStmt->indexName), "%s", ((SRealTableNode*)pIndexName)->table.tableName);
nodesDestroyNode(pIndexName);
return (SNode*)pStmt;
}
SNode* createCreateComponentNodeStmt(SAstCreateContext* pCxt, ENodeType type, const SToken* pDnodeId) {
CHECK_PARSER_STATUS(pCxt);
SCreateComponentNodeStmt* pStmt = (SCreateComponentNodeStmt*)nodesMakeNode(type);
CHECK_OUT_OF_MEM(pStmt);
pStmt->dnodeId = taosStr2Int32(pDnodeId->z, NULL, 10);
return (SNode*)pStmt;
}
SNode* createDropComponentNodeStmt(SAstCreateContext* pCxt, ENodeType type, const SToken* pDnodeId) {
CHECK_PARSER_STATUS(pCxt);
SDropComponentNodeStmt* pStmt = (SDropComponentNodeStmt*)nodesMakeNode(type);
CHECK_OUT_OF_MEM(pStmt);
pStmt->dnodeId = taosStr2Int32(pDnodeId->z, NULL, 10);
return (SNode*)pStmt;
}
SNode* createCreateTopicStmtUseQuery(SAstCreateContext* pCxt, bool ignoreExists, SToken* pTopicName, SNode* pQuery) {
CHECK_PARSER_STATUS(pCxt);
if (!checkTopicName(pCxt, pTopicName)) {
return NULL;
}
SCreateTopicStmt* pStmt = (SCreateTopicStmt*)nodesMakeNode(QUERY_NODE_CREATE_TOPIC_STMT);
CHECK_OUT_OF_MEM(pStmt);
COPY_STRING_FORM_ID_TOKEN(pStmt->topicName, pTopicName);
pStmt->ignoreExists = ignoreExists;
pStmt->pQuery = pQuery;
return (SNode*)pStmt;
}
SNode* createCreateTopicStmtUseDb(SAstCreateContext* pCxt, bool ignoreExists, SToken* pTopicName, SToken* pSubDbName,
bool withMeta) {
CHECK_PARSER_STATUS(pCxt);
if (!checkTopicName(pCxt, pTopicName) || !checkDbName(pCxt, pSubDbName, true)) {
return NULL;
}
SCreateTopicStmt* pStmt = (SCreateTopicStmt*)nodesMakeNode(QUERY_NODE_CREATE_TOPIC_STMT);
CHECK_OUT_OF_MEM(pStmt);
COPY_STRING_FORM_ID_TOKEN(pStmt->topicName, pTopicName);
pStmt->ignoreExists = ignoreExists;
COPY_STRING_FORM_ID_TOKEN(pStmt->subDbName, pSubDbName);
pStmt->withMeta = withMeta;
return (SNode*)pStmt;
}
SNode* createCreateTopicStmtUseTable(SAstCreateContext* pCxt, bool ignoreExists, SToken* pTopicName, SNode* pRealTable,
bool withMeta) {
CHECK_PARSER_STATUS(pCxt);
if (!checkTopicName(pCxt, pTopicName)) {
return NULL;
}
SCreateTopicStmt* pStmt = (SCreateTopicStmt*)nodesMakeNode(QUERY_NODE_CREATE_TOPIC_STMT);
CHECK_OUT_OF_MEM(pStmt);
COPY_STRING_FORM_ID_TOKEN(pStmt->topicName, pTopicName);
pStmt->ignoreExists = ignoreExists;
pStmt->withMeta = withMeta;
strcpy(pStmt->subDbName, ((SRealTableNode*)pRealTable)->table.dbName);
strcpy(pStmt->subSTbName, ((SRealTableNode*)pRealTable)->table.tableName);
nodesDestroyNode(pRealTable);
return (SNode*)pStmt;
}
SNode* createDropTopicStmt(SAstCreateContext* pCxt, bool ignoreNotExists, SToken* pTopicName) {
CHECK_PARSER_STATUS(pCxt);
if (!checkTopicName(pCxt, pTopicName)) {
return NULL;
}
SDropTopicStmt* pStmt = (SDropTopicStmt*)nodesMakeNode(QUERY_NODE_DROP_TOPIC_STMT);
CHECK_OUT_OF_MEM(pStmt);
COPY_STRING_FORM_ID_TOKEN(pStmt->topicName, pTopicName);
pStmt->ignoreNotExists = ignoreNotExists;
return (SNode*)pStmt;
}
SNode* createDropCGroupStmt(SAstCreateContext* pCxt, bool ignoreNotExists, const SToken* pCGroupId,
SToken* pTopicName) {
CHECK_PARSER_STATUS(pCxt);
if (!checkTopicName(pCxt, pTopicName)) {
return NULL;
}
SDropCGroupStmt* pStmt = (SDropCGroupStmt*)nodesMakeNode(QUERY_NODE_DROP_CGROUP_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->ignoreNotExists = ignoreNotExists;
COPY_STRING_FORM_ID_TOKEN(pStmt->topicName, pTopicName);
COPY_STRING_FORM_ID_TOKEN(pStmt->cgroup, pCGroupId);
return (SNode*)pStmt;
}
SNode* createAlterLocalStmt(SAstCreateContext* pCxt, const SToken* pConfig, const SToken* pValue) {
CHECK_PARSER_STATUS(pCxt);
SAlterLocalStmt* pStmt = (SAlterLocalStmt*)nodesMakeNode(QUERY_NODE_ALTER_LOCAL_STMT);
CHECK_OUT_OF_MEM(pStmt);
trimString(pConfig->z, pConfig->n, pStmt->config, sizeof(pStmt->config));
if (NULL != pValue) {
trimString(pValue->z, pValue->n, pStmt->value, sizeof(pStmt->value));
}
return (SNode*)pStmt;
}
SNode* createDefaultExplainOptions(SAstCreateContext* pCxt) {
CHECK_PARSER_STATUS(pCxt);
SExplainOptions* pOptions = (SExplainOptions*)nodesMakeNode(QUERY_NODE_EXPLAIN_OPTIONS);
CHECK_OUT_OF_MEM(pOptions);
pOptions->verbose = TSDB_DEFAULT_EXPLAIN_VERBOSE;
pOptions->ratio = TSDB_DEFAULT_EXPLAIN_RATIO;
return (SNode*)pOptions;
}
SNode* setExplainVerbose(SAstCreateContext* pCxt, SNode* pOptions, const SToken* pVal) {
CHECK_PARSER_STATUS(pCxt);
((SExplainOptions*)pOptions)->verbose = (0 == strncasecmp(pVal->z, "true", pVal->n));
return pOptions;
}
SNode* setExplainRatio(SAstCreateContext* pCxt, SNode* pOptions, const SToken* pVal) {
CHECK_PARSER_STATUS(pCxt);
((SExplainOptions*)pOptions)->ratio = taosStr2Double(pVal->z, NULL);
return pOptions;
}
SNode* createExplainStmt(SAstCreateContext* pCxt, bool analyze, SNode* pOptions, SNode* pQuery) {
CHECK_PARSER_STATUS(pCxt);
SExplainStmt* pStmt = (SExplainStmt*)nodesMakeNode(QUERY_NODE_EXPLAIN_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->analyze = analyze;
pStmt->pOptions = (SExplainOptions*)pOptions;
pStmt->pQuery = pQuery;
return (SNode*)pStmt;
}
SNode* createDescribeStmt(SAstCreateContext* pCxt, SNode* pRealTable) {
CHECK_PARSER_STATUS(pCxt);
SDescribeStmt* pStmt = (SDescribeStmt*)nodesMakeNode(QUERY_NODE_DESCRIBE_STMT);
CHECK_OUT_OF_MEM(pStmt);
strcpy(pStmt->dbName, ((SRealTableNode*)pRealTable)->table.dbName);
strcpy(pStmt->tableName, ((SRealTableNode*)pRealTable)->table.tableName);
nodesDestroyNode(pRealTable);
return (SNode*)pStmt;
}
SNode* createResetQueryCacheStmt(SAstCreateContext* pCxt) {
CHECK_PARSER_STATUS(pCxt);
SNode* pStmt = nodesMakeNode(QUERY_NODE_RESET_QUERY_CACHE_STMT);
CHECK_OUT_OF_MEM(pStmt);
return pStmt;
}
static int32_t convertUdfLanguageType(SAstCreateContext* pCxt, const SToken* pLanguageToken, int8_t* pLanguage) {
if (TK_NK_NIL == pLanguageToken->type || 0 == strncasecmp(pLanguageToken->z + 1, "c", pLanguageToken->n - 2)) {
*pLanguage = TSDB_FUNC_SCRIPT_BIN_LIB;
} else if (0 == strncasecmp(pLanguageToken->z + 1, "python", pLanguageToken->n - 2)) {
*pLanguage = TSDB_FUNC_SCRIPT_PYTHON;
} else {
pCxt->errCode = generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_SYNTAX_ERROR,
"udf programming language supports c and python");
}
return pCxt->errCode;
}
SNode* createCreateFunctionStmt(SAstCreateContext* pCxt, bool ignoreExists, bool aggFunc, const SToken* pFuncName,
const SToken* pLibPath, SDataType dataType, int32_t bufSize, const SToken* pLanguage,
bool orReplace) {
CHECK_PARSER_STATUS(pCxt);
if (pLibPath->n <= 2) {
pCxt->errCode = TSDB_CODE_PAR_SYNTAX_ERROR;
return NULL;
}
int8_t language = 0;
if (TSDB_CODE_SUCCESS != convertUdfLanguageType(pCxt, pLanguage, &language)) {
return NULL;
}
SCreateFunctionStmt* pStmt = (SCreateFunctionStmt*)nodesMakeNode(QUERY_NODE_CREATE_FUNCTION_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->orReplace = orReplace;
pStmt->ignoreExists = ignoreExists;
COPY_STRING_FORM_ID_TOKEN(pStmt->funcName, pFuncName);
pStmt->isAgg = aggFunc;
COPY_STRING_FORM_STR_TOKEN(pStmt->libraryPath, pLibPath);
pStmt->outputDt = dataType;
pStmt->bufSize = bufSize;
pStmt->language = language;
return (SNode*)pStmt;
}
SNode* createDropFunctionStmt(SAstCreateContext* pCxt, bool ignoreNotExists, const SToken* pFuncName) {
CHECK_PARSER_STATUS(pCxt);
SDropFunctionStmt* pStmt = (SDropFunctionStmt*)nodesMakeNode(QUERY_NODE_DROP_FUNCTION_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->ignoreNotExists = ignoreNotExists;
COPY_STRING_FORM_ID_TOKEN(pStmt->funcName, pFuncName);
return (SNode*)pStmt;
}
SNode* createStreamOptions(SAstCreateContext* pCxt) {
CHECK_PARSER_STATUS(pCxt);
SStreamOptions* pOptions = (SStreamOptions*)nodesMakeNode(QUERY_NODE_STREAM_OPTIONS);
CHECK_OUT_OF_MEM(pOptions);
pOptions->triggerType = STREAM_TRIGGER_WINDOW_CLOSE;
pOptions->fillHistory = STREAM_DEFAULT_FILL_HISTORY;
pOptions->ignoreExpired = STREAM_DEFAULT_IGNORE_EXPIRED;
pOptions->ignoreUpdate = STREAM_DEFAULT_IGNORE_UPDATE;
return (SNode*)pOptions;
}
static int8_t getTriggerType(uint32_t tokenType) {
switch (tokenType) {
case TK_AT_ONCE:
return STREAM_TRIGGER_AT_ONCE;
case TK_WINDOW_CLOSE:
return STREAM_TRIGGER_WINDOW_CLOSE;
case TK_MAX_DELAY:
return STREAM_TRIGGER_MAX_DELAY;
default:
break;
}
return STREAM_TRIGGER_WINDOW_CLOSE;
}
SNode* setStreamOptions(SAstCreateContext* pCxt, SNode* pOptions, EStreamOptionsSetFlag setflag, SToken* pToken,
SNode* pNode) {
SStreamOptions* pStreamOptions = (SStreamOptions*)pOptions;
if (BIT_FLAG_TEST_MASK(setflag, pStreamOptions->setFlag)) {
pCxt->errCode =
generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_SYNTAX_ERROR, "stream options each item is only set once");
return pOptions;
}
switch (setflag) {
case SOPT_TRIGGER_TYPE_SET:
pStreamOptions->triggerType = getTriggerType(pToken->type);
if (STREAM_TRIGGER_MAX_DELAY == pStreamOptions->triggerType) {
pStreamOptions->pDelay = pNode;
}
break;
case SOPT_WATERMARK_SET:
pStreamOptions->pWatermark = pNode;
break;
case SOPT_DELETE_MARK_SET:
pStreamOptions->pDeleteMark = pNode;
break;
case SOPT_FILL_HISTORY_SET:
pStreamOptions->fillHistory = taosStr2Int8(pToken->z, NULL, 10);
break;
case SOPT_IGNORE_EXPIRED_SET:
pStreamOptions->ignoreExpired = taosStr2Int8(pToken->z, NULL, 10);
break;
case SOPT_IGNORE_UPDATE_SET:
pStreamOptions->ignoreUpdate = taosStr2Int8(pToken->z, NULL, 10);
break;
default:
break;
}
BIT_FLAG_SET_MASK(pStreamOptions->setFlag, setflag);
return pOptions;
}
SNode* createCreateStreamStmt(SAstCreateContext* pCxt, bool ignoreExists, SToken* pStreamName, SNode* pRealTable,
SNode* pOptions, SNodeList* pTags, SNode* pSubtable, SNode* pQuery, SNodeList* pCols) {
CHECK_PARSER_STATUS(pCxt);
if (!checkStreamName(pCxt, pStreamName)) {
return NULL;
}
SCreateStreamStmt* pStmt = (SCreateStreamStmt*)nodesMakeNode(QUERY_NODE_CREATE_STREAM_STMT);
CHECK_OUT_OF_MEM(pStmt);
COPY_STRING_FORM_ID_TOKEN(pStmt->streamName, pStreamName);
strcpy(pStmt->targetDbName, ((SRealTableNode*)pRealTable)->table.dbName);
strcpy(pStmt->targetTabName, ((SRealTableNode*)pRealTable)->table.tableName);
nodesDestroyNode(pRealTable);
pStmt->ignoreExists = ignoreExists;
pStmt->pOptions = (SStreamOptions*)pOptions;
pStmt->pQuery = pQuery;
pStmt->pTags = pTags;
pStmt->pSubtable = pSubtable;
pStmt->pCols = pCols;
return (SNode*)pStmt;
}
SNode* createDropStreamStmt(SAstCreateContext* pCxt, bool ignoreNotExists, SToken* pStreamName) {
CHECK_PARSER_STATUS(pCxt);
if (!checkStreamName(pCxt, pStreamName)) {
return NULL;
}
SDropStreamStmt* pStmt = (SDropStreamStmt*)nodesMakeNode(QUERY_NODE_DROP_STREAM_STMT);
CHECK_OUT_OF_MEM(pStmt);
COPY_STRING_FORM_ID_TOKEN(pStmt->streamName, pStreamName);
pStmt->ignoreNotExists = ignoreNotExists;
return (SNode*)pStmt;
}
SNode* createKillStmt(SAstCreateContext* pCxt, ENodeType type, const SToken* pId) {
CHECK_PARSER_STATUS(pCxt);
SKillStmt* pStmt = (SKillStmt*)nodesMakeNode(type);
CHECK_OUT_OF_MEM(pStmt);
pStmt->targetId = taosStr2Int32(pId->z, NULL, 10);
return (SNode*)pStmt;
}
SNode* createKillQueryStmt(SAstCreateContext* pCxt, const SToken* pQueryId) {
CHECK_PARSER_STATUS(pCxt);
SKillQueryStmt* pStmt = (SKillQueryStmt*)nodesMakeNode(QUERY_NODE_KILL_QUERY_STMT);
CHECK_OUT_OF_MEM(pStmt);
trimString(pQueryId->z, pQueryId->n, pStmt->queryId, sizeof(pStmt->queryId) - 1);
return (SNode*)pStmt;
}
SNode* createBalanceVgroupStmt(SAstCreateContext* pCxt) {
CHECK_PARSER_STATUS(pCxt);
SBalanceVgroupStmt* pStmt = (SBalanceVgroupStmt*)nodesMakeNode(QUERY_NODE_BALANCE_VGROUP_STMT);
CHECK_OUT_OF_MEM(pStmt);
return (SNode*)pStmt;
}
SNode* createBalanceVgroupLeaderStmt(SAstCreateContext* pCxt) {
CHECK_PARSER_STATUS(pCxt);
SBalanceVgroupLeaderStmt* pStmt = (SBalanceVgroupLeaderStmt*)nodesMakeNode(QUERY_NODE_BALANCE_VGROUP_LEADER_STMT);
CHECK_OUT_OF_MEM(pStmt);
return (SNode*)pStmt;
}
SNode* createMergeVgroupStmt(SAstCreateContext* pCxt, const SToken* pVgId1, const SToken* pVgId2) {
CHECK_PARSER_STATUS(pCxt);
SMergeVgroupStmt* pStmt = (SMergeVgroupStmt*)nodesMakeNode(QUERY_NODE_MERGE_VGROUP_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->vgId1 = taosStr2Int32(pVgId1->z, NULL, 10);
pStmt->vgId2 = taosStr2Int32(pVgId2->z, NULL, 10);
return (SNode*)pStmt;
}
SNode* createRedistributeVgroupStmt(SAstCreateContext* pCxt, const SToken* pVgId, SNodeList* pDnodes) {
CHECK_PARSER_STATUS(pCxt);
SRedistributeVgroupStmt* pStmt = (SRedistributeVgroupStmt*)nodesMakeNode(QUERY_NODE_REDISTRIBUTE_VGROUP_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->vgId = taosStr2Int32(pVgId->z, NULL, 10);
pStmt->pDnodes = pDnodes;
return (SNode*)pStmt;
}
SNode* createSplitVgroupStmt(SAstCreateContext* pCxt, const SToken* pVgId) {
CHECK_PARSER_STATUS(pCxt);
SSplitVgroupStmt* pStmt = (SSplitVgroupStmt*)nodesMakeNode(QUERY_NODE_SPLIT_VGROUP_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->vgId = taosStr2Int32(pVgId->z, NULL, 10);
return (SNode*)pStmt;
}
SNode* createSyncdbStmt(SAstCreateContext* pCxt, const SToken* pDbName) {
CHECK_PARSER_STATUS(pCxt);
SNode* pStmt = nodesMakeNode(QUERY_NODE_SYNCDB_STMT);
CHECK_OUT_OF_MEM(pStmt);
return pStmt;
}
SNode* createGrantStmt(SAstCreateContext* pCxt, int64_t privileges, STokenPair* pPrivLevel, SToken* pUserName,
SNode* pTagCond) {
CHECK_PARSER_STATUS(pCxt);
if (!checkDbName(pCxt, &pPrivLevel->first, false) || !checkUserName(pCxt, pUserName)) {
return NULL;
}
SGrantStmt* pStmt = (SGrantStmt*)nodesMakeNode(QUERY_NODE_GRANT_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->privileges = privileges;
COPY_STRING_FORM_ID_TOKEN(pStmt->objName, &pPrivLevel->first);
if (TK_NK_NIL != pPrivLevel->second.type && TK_NK_STAR != pPrivLevel->second.type) {
COPY_STRING_FORM_ID_TOKEN(pStmt->tabName, &pPrivLevel->second);
}
COPY_STRING_FORM_ID_TOKEN(pStmt->userName, pUserName);
pStmt->pTagCond = pTagCond;
return (SNode*)pStmt;
}
SNode* createRevokeStmt(SAstCreateContext* pCxt, int64_t privileges, STokenPair* pPrivLevel, SToken* pUserName,
SNode* pTagCond) {
CHECK_PARSER_STATUS(pCxt);
if (!checkDbName(pCxt, &pPrivLevel->first, false) || !checkUserName(pCxt, pUserName)) {
return NULL;
}
SRevokeStmt* pStmt = (SRevokeStmt*)nodesMakeNode(QUERY_NODE_REVOKE_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->privileges = privileges;
COPY_STRING_FORM_ID_TOKEN(pStmt->objName, &pPrivLevel->first);
if (TK_NK_NIL != pPrivLevel->second.type && TK_NK_STAR != pPrivLevel->second.type) {
COPY_STRING_FORM_ID_TOKEN(pStmt->tabName, &pPrivLevel->second);
}
COPY_STRING_FORM_ID_TOKEN(pStmt->userName, pUserName);
pStmt->pTagCond = pTagCond;
return (SNode*)pStmt;
}
SNode* createFuncForDelete(SAstCreateContext* pCxt, const char* pFuncName) {
SFunctionNode* pFunc = (SFunctionNode*)nodesMakeNode(QUERY_NODE_FUNCTION);
CHECK_OUT_OF_MEM(pFunc);
snprintf(pFunc->functionName, sizeof(pFunc->functionName), "%s", pFuncName);
if (TSDB_CODE_SUCCESS != nodesListMakeStrictAppend(&pFunc->pParameterList, createPrimaryKeyCol(pCxt, NULL))) {
nodesDestroyNode((SNode*)pFunc);
CHECK_OUT_OF_MEM(NULL);
}
return (SNode*)pFunc;
}
SNode* createDeleteStmt(SAstCreateContext* pCxt, SNode* pTable, SNode* pWhere) {
CHECK_PARSER_STATUS(pCxt);
SDeleteStmt* pStmt = (SDeleteStmt*)nodesMakeNode(QUERY_NODE_DELETE_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->pFromTable = pTable;
pStmt->pWhere = pWhere;
pStmt->pCountFunc = createFuncForDelete(pCxt, "count");
pStmt->pFirstFunc = createFuncForDelete(pCxt, "first");
pStmt->pLastFunc = createFuncForDelete(pCxt, "last");
if (NULL == pStmt->pCountFunc || NULL == pStmt->pFirstFunc || NULL == pStmt->pLastFunc) {
nodesDestroyNode((SNode*)pStmt);
CHECK_OUT_OF_MEM(NULL);
}
return (SNode*)pStmt;
}
SNode* createInsertStmt(SAstCreateContext* pCxt, SNode* pTable, SNodeList* pCols, SNode* pQuery) {
CHECK_PARSER_STATUS(pCxt);
SInsertStmt* pStmt = (SInsertStmt*)nodesMakeNode(QUERY_NODE_INSERT_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->pTable = pTable;
pStmt->pCols = pCols;
pStmt->pQuery = pQuery;
if (QUERY_NODE_SELECT_STMT == nodeType(pQuery)) {
strcpy(((SSelectStmt*)pQuery)->stmtName, ((STableNode*)pTable)->tableAlias);
} else if (QUERY_NODE_SET_OPERATOR == nodeType(pQuery)) {
strcpy(((SSetOperator*)pQuery)->stmtName, ((STableNode*)pTable)->tableAlias);
}
return (SNode*)pStmt;
}
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