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

799 lines
30 KiB
C

/*
* 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 "astCreateFuncs.h"
#include "parserUtil.h"
#define CHECK_OUT_OF_MEM(p) \
do { \
if (NULL == (p)) { \
pCxt->valid = false; \
return NULL; \
} \
} while (0)
#define CHECK_RAW_EXPR_NODE(node) \
do { \
if (NULL == (node) || QUERY_NODE_RAW_EXPR != nodeType(node)) { \
pCxt->valid = false; \
return NULL; \
} \
} while (0)
SToken nil_token = { .type = TK_NIL, .n = 0, .z = NULL };
typedef SDatabaseOptions* (*FSetDatabaseOption)(SAstCreateContext* pCxt, SDatabaseOptions* pOptions, const SToken* pVal);
static FSetDatabaseOption setDbOptionFuncs[DB_OPTION_MAX];
typedef STableOptions* (*FSetTableOption)(SAstCreateContext* pCxt, STableOptions* pOptions, const SToken* pVal);
static FSetTableOption setTableOptionFuncs[TABLE_OPTION_MAX];
static SDatabaseOptions* setDbBlocks(SAstCreateContext* pCxt, SDatabaseOptions* pOptions, const SToken* pVal) {
int64_t val = strtol(pVal->z, NULL, 10);
if (val < TSDB_MIN_TOTAL_BLOCKS || val > TSDB_MAX_TOTAL_BLOCKS) {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen,
"invalid db option totalBlocks: %"PRId64" valid range: [%d, %d]", val, TSDB_MIN_TOTAL_BLOCKS, TSDB_MAX_TOTAL_BLOCKS);
pCxt->valid = false;
return pOptions;
}
pOptions->numOfBlocks = val;
return pOptions;
}
static SDatabaseOptions* setDbCache(SAstCreateContext* pCxt, SDatabaseOptions* pOptions, const SToken* pVal) {
int64_t val = strtol(pVal->z, NULL, 10);
if (val < TSDB_MIN_CACHE_BLOCK_SIZE || val > TSDB_MAX_CACHE_BLOCK_SIZE) {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen,
"invalid db option cacheBlockSize: %"PRId64" valid range: [%d, %d]", val, TSDB_MIN_CACHE_BLOCK_SIZE, TSDB_MAX_CACHE_BLOCK_SIZE);
pCxt->valid = false;
return pOptions;
}
pOptions->cacheBlockSize = val;
return pOptions;
}
static SDatabaseOptions* setDbCacheLast(SAstCreateContext* pCxt, SDatabaseOptions* pOptions, const SToken* pVal) {
int64_t val = strtol(pVal->z, NULL, 10);
if (val < TSDB_MIN_DB_CACHE_LAST_ROW || val > TSDB_MAX_DB_CACHE_LAST_ROW) {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen,
"invalid db option cacheLast: %"PRId64" valid range: [%d, %d]", val, TSDB_MIN_DB_CACHE_LAST_ROW, TSDB_MAX_DB_CACHE_LAST_ROW);
pCxt->valid = false;
return pOptions;
}
pOptions->cachelast = val;
return pOptions;
}
static SDatabaseOptions* setDbComp(SAstCreateContext* pCxt, SDatabaseOptions* pOptions, const SToken* pVal) {
int64_t val = strtol(pVal->z, NULL, 10);
if (val < TSDB_MIN_COMP_LEVEL || val > TSDB_MAX_COMP_LEVEL) {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen,
"invalid db option compression: %"PRId64" valid range: [%d, %d]", val, TSDB_MIN_COMP_LEVEL, TSDB_MAX_COMP_LEVEL);
pCxt->valid = false;
return pOptions;
}
pOptions->compressionLevel = val;
return pOptions;
}
static SDatabaseOptions* setDbDays(SAstCreateContext* pCxt, SDatabaseOptions* pOptions, const SToken* pVal) {
int64_t val = strtol(pVal->z, NULL, 10);
if (val < TSDB_MIN_DAYS_PER_FILE || val > TSDB_MAX_DAYS_PER_FILE) {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen,
"invalid db option daysPerFile: %"PRId64" valid range: [%d, %d]", val, TSDB_MIN_DAYS_PER_FILE, TSDB_MAX_DAYS_PER_FILE);
pCxt->valid = false;
return pOptions;
}
pOptions->daysPerFile = val;
return pOptions;
}
static SDatabaseOptions* setDbFsync(SAstCreateContext* pCxt, SDatabaseOptions* pOptions, const SToken* pVal) {
int64_t val = strtol(pVal->z, NULL, 10);
if (val < TSDB_MIN_FSYNC_PERIOD || val > TSDB_MAX_FSYNC_PERIOD) {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen,
"invalid db option fsyncPeriod: %"PRId64" valid range: [%d, %d]", val, TSDB_MIN_FSYNC_PERIOD, TSDB_MAX_FSYNC_PERIOD);
pCxt->valid = false;
return pOptions;
}
pOptions->fsyncPeriod = val;
return pOptions;
}
static SDatabaseOptions* setDbMaxRows(SAstCreateContext* pCxt, SDatabaseOptions* pOptions, const SToken* pVal) {
int64_t val = strtol(pVal->z, NULL, 10);
if (val < TSDB_MIN_MAX_ROW_FBLOCK || val > TSDB_MAX_MAX_ROW_FBLOCK) {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen,
"invalid db option maxRowsPerBlock: %"PRId64" valid range: [%d, %d]", val, TSDB_MIN_MAX_ROW_FBLOCK, TSDB_MAX_MAX_ROW_FBLOCK);
pCxt->valid = false;
return pOptions;
}
pOptions->maxRowsPerBlock = val;
return pOptions;
}
static SDatabaseOptions* setDbMinRows(SAstCreateContext* pCxt, SDatabaseOptions* pOptions, const SToken* pVal) {
int64_t val = strtol(pVal->z, NULL, 10);
if (val < TSDB_MIN_MIN_ROW_FBLOCK || val > TSDB_MAX_MIN_ROW_FBLOCK) {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen,
"invalid db option minRowsPerBlock: %"PRId64" valid range: [%d, %d]", val, TSDB_MIN_MIN_ROW_FBLOCK, TSDB_MAX_MIN_ROW_FBLOCK);
pCxt->valid = false;
return pOptions;
}
pOptions->minRowsPerBlock = val;
return pOptions;
}
static SDatabaseOptions* setDbKeep(SAstCreateContext* pCxt, SDatabaseOptions* pOptions, const SToken* pVal) {
int64_t val = strtol(pVal->z, NULL, 10);
if (val < TSDB_MIN_KEEP || val > TSDB_MAX_KEEP) {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen,
"invalid db option keep: %"PRId64" valid range: [%d, %d]", val, TSDB_MIN_KEEP, TSDB_MAX_KEEP);
pCxt->valid = false;
return pOptions;
}
pOptions->keep = val;
return pOptions;
}
static SDatabaseOptions* setDbPrecision(SAstCreateContext* pCxt, SDatabaseOptions* pOptions, const SToken* pVal) {
char val[10] = {0};
trimString(pVal->z, pVal->n, val, sizeof(val));
if (0 == strcmp(val, TSDB_TIME_PRECISION_MILLI_STR)) {
pOptions->precision = TSDB_TIME_PRECISION_MILLI;
} else if (0 == strcmp(val, TSDB_TIME_PRECISION_MICRO_STR)) {
pOptions->precision = TSDB_TIME_PRECISION_MICRO;
} else if (0 == strcmp(val, TSDB_TIME_PRECISION_NANO_STR)) {
pOptions->precision = TSDB_TIME_PRECISION_NANO;
} else {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen, "invalid db option precision: %s", val);
pCxt->valid = false;
}
return pOptions;
}
static SDatabaseOptions* setDbQuorum(SAstCreateContext* pCxt, SDatabaseOptions* pOptions, const SToken* pVal) {
int64_t val = strtol(pVal->z, NULL, 10);
if (val < TSDB_MIN_DB_QUORUM_OPTION || val > TSDB_MAX_DB_QUORUM_OPTION) {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen,
"invalid db option quorum: %"PRId64" valid range: [%d, %d]", val, TSDB_MIN_DB_QUORUM_OPTION, TSDB_MAX_DB_QUORUM_OPTION);
pCxt->valid = false;
return pOptions;
}
pOptions->quorum = val;
return pOptions;
}
static SDatabaseOptions* setDbReplica(SAstCreateContext* pCxt, SDatabaseOptions* pOptions, const SToken* pVal) {
int64_t val = strtol(pVal->z, NULL, 10);
if (val < TSDB_MIN_DB_REPLICA_OPTION || val > TSDB_MAX_DB_REPLICA_OPTION) {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen,
"invalid db option replications: %"PRId64" valid range: [%d, %d]", val, TSDB_MIN_DB_REPLICA_OPTION, TSDB_MAX_DB_REPLICA_OPTION);
pCxt->valid = false;
return pOptions;
}
pOptions->replica = val;
return pOptions;
}
static SDatabaseOptions* setDbTtl(SAstCreateContext* pCxt, SDatabaseOptions* pOptions, const SToken* pVal) {
int64_t val = strtol(pVal->z, NULL, 10);
if (val < TSDB_MIN_DB_TTL_OPTION) {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen,
"invalid db option ttl: %"PRId64", should be greater than or equal to %d", val, TSDB_MIN_DB_TTL_OPTION);
pCxt->valid = false;
return pOptions;
}
pOptions->ttl = val;
return pOptions;
}
static SDatabaseOptions* setDbWal(SAstCreateContext* pCxt, SDatabaseOptions* pOptions, const SToken* pVal) {
int64_t val = strtol(pVal->z, NULL, 10);
if (val < TSDB_MIN_WAL_LEVEL || val > TSDB_MAX_WAL_LEVEL) {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen, "invalid db option walLevel: %"PRId64", only 1-2 allowed", val);
pCxt->valid = false;
return pOptions;
}
pOptions->walLevel = val;
return pOptions;
}
static SDatabaseOptions* setDbVgroups(SAstCreateContext* pCxt, SDatabaseOptions* pOptions, const SToken* pVal) {
int64_t val = strtol(pVal->z, NULL, 10);
if (val < TSDB_MIN_VNODES_PER_DB || val > TSDB_MAX_VNODES_PER_DB) {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen,
"invalid db option vgroups: %"PRId64" valid range: [%d, %d]", val, TSDB_MIN_VNODES_PER_DB, TSDB_MAX_VNODES_PER_DB);
pCxt->valid = false;
return pOptions;
}
pOptions->numOfVgroups = val;
return pOptions;
}
static SDatabaseOptions* setDbSingleStable(SAstCreateContext* pCxt, SDatabaseOptions* pOptions, const SToken* pVal) {
int64_t val = strtol(pVal->z, NULL, 10);
if (val < TSDB_MIN_DB_SINGLE_STABLE_OPTION || val > TSDB_MAX_DB_SINGLE_STABLE_OPTION) {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen, "invalid db option singleStable: %"PRId64", only 0-1 allowed", val);
pCxt->valid = false;
return pOptions;
}
pOptions->singleStable = val;
return pOptions;
}
static SDatabaseOptions* setDbStreamMode(SAstCreateContext* pCxt, SDatabaseOptions* pOptions, const SToken* pVal) {
int64_t val = strtol(pVal->z, NULL, 10);
if (val < TSDB_MIN_DB_STREAM_MODE_OPTION || val > TSDB_MAX_DB_STREAM_MODE_OPTION) {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen, "invalid db option streamMode: %"PRId64", only 0-1 allowed", val);
pCxt->valid = false;
return pOptions;
}
pOptions->streamMode = val;
return pOptions;
}
static void initSetDatabaseOptionFp() {
setDbOptionFuncs[DB_OPTION_BLOCKS] = setDbBlocks;
setDbOptionFuncs[DB_OPTION_CACHE] = setDbCache;
setDbOptionFuncs[DB_OPTION_CACHELAST] = setDbCacheLast;
setDbOptionFuncs[DB_OPTION_COMP] = setDbComp;
setDbOptionFuncs[DB_OPTION_DAYS] = setDbDays;
setDbOptionFuncs[DB_OPTION_FSYNC] = setDbFsync;
setDbOptionFuncs[DB_OPTION_MAXROWS] = setDbMaxRows;
setDbOptionFuncs[DB_OPTION_MINROWS] = setDbMinRows;
setDbOptionFuncs[DB_OPTION_KEEP] = setDbKeep;
setDbOptionFuncs[DB_OPTION_PRECISION] = setDbPrecision;
setDbOptionFuncs[DB_OPTION_QUORUM] = setDbQuorum;
setDbOptionFuncs[DB_OPTION_REPLICA] = setDbReplica;
setDbOptionFuncs[DB_OPTION_TTL] = setDbTtl;
setDbOptionFuncs[DB_OPTION_WAL] = setDbWal;
setDbOptionFuncs[DB_OPTION_VGROUPS] = setDbVgroups;
setDbOptionFuncs[DB_OPTION_SINGLESTABLE] = setDbSingleStable;
setDbOptionFuncs[DB_OPTION_STREAMMODE] = setDbStreamMode;
}
static STableOptions* setTableKeep(SAstCreateContext* pCxt, STableOptions* pOptions, const SToken* pVal) {
int64_t val = strtol(pVal->z, NULL, 10);
if (val < TSDB_MIN_KEEP || val > TSDB_MAX_KEEP) {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen,
"invalid table option keep: %"PRId64" valid range: [%d, %d]", val, TSDB_MIN_KEEP, TSDB_MAX_KEEP);
pCxt->valid = false;
return pOptions;
}
pOptions->keep = val;
return pOptions;
}
static STableOptions* setTableTtl(SAstCreateContext* pCxt, STableOptions* pOptions, const SToken* pVal) {
int64_t val = strtol(pVal->z, NULL, 10);
if (val < TSDB_MIN_DB_TTL_OPTION) {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen,
"invalid table option ttl: %"PRId64", should be greater than or equal to %d", val, TSDB_MIN_DB_TTL_OPTION);
pCxt->valid = false;
return pOptions;
}
pOptions->ttl = val;
return pOptions;
}
static STableOptions* setTableComment(SAstCreateContext* pCxt, STableOptions* pOptions, const SToken* pVal) {
if (pVal->n >= sizeof(pOptions->comments)) {
snprintf(pCxt->pQueryCxt->pMsg, pCxt->pQueryCxt->msgLen,
"invalid table option comment, length cannot exceed %d", (int32_t)(sizeof(pOptions->comments) - 1));
pCxt->valid = false;
return pOptions;
}
trimString(pVal->z, pVal->n, pOptions->comments, sizeof(pOptions->comments));
return pOptions;
}
static void initSetTableOptionFp() {
setTableOptionFuncs[TABLE_OPTION_KEEP] = setTableKeep;
setTableOptionFuncs[TABLE_OPTION_TTL] = setTableTtl;
setTableOptionFuncs[TABLE_OPTION_COMMENT] = setTableComment;
}
void initAstCreateContext(SParseContext* pParseCxt, SAstCreateContext* pCxt) {
pCxt->pQueryCxt = pParseCxt;
pCxt->notSupport = false;
pCxt->valid = true;
pCxt->pRootNode = NULL;
initSetDatabaseOptionFp();
initSetTableOptionFp();
}
static bool checkDbName(SAstCreateContext* pCxt, const SToken* pDbName) {
if (NULL == pDbName) {
return true;
}
pCxt->valid = pDbName->n < TSDB_DB_NAME_LEN ? true : false;
return pCxt->valid;
}
static bool checkTableName(SAstCreateContext* pCxt, const SToken* pTableName) {
if (NULL == pTableName) {
return true;
}
pCxt->valid = pTableName->n < TSDB_TABLE_NAME_LEN ? true : false;
return pCxt->valid;
}
static bool checkColumnName(SAstCreateContext* pCxt, const SToken* pColumnName) {
if (NULL == pColumnName) {
return true;
}
pCxt->valid = pColumnName->n < TSDB_COL_NAME_LEN ? true : false;
return pCxt->valid;
}
SNode* createRawExprNode(SAstCreateContext* pCxt, const SToken* pToken, SNode* pNode) {
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) {
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_RAW_EXPR_NODE(pNode);
SNode* tmp = ((SRawExprNode*)pNode)->pNode;
tfree(pNode);
return tmp;
}
SToken getTokenFromRawExprNode(SAstCreateContext* pCxt, SNode* pNode) {
if (NULL == pNode || QUERY_NODE_RAW_EXPR != nodeType(pNode)) {
pCxt->valid = false;
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) {
SNodeList* list = nodesMakeList();
CHECK_OUT_OF_MEM(list);
if (TSDB_CODE_SUCCESS != nodesListAppend(list, pNode)) {
pCxt->valid = false;
}
return list;
}
SNodeList* addNodeToList(SAstCreateContext* pCxt, SNodeList* pList, SNode* pNode) {
if (TSDB_CODE_SUCCESS != nodesListAppend(pList, pNode)) {
pCxt->valid = false;
}
return pList;
}
SNode* createColumnNode(SAstCreateContext* pCxt, const SToken* pTableAlias, const SToken* pColumnName) {
if (!checkTableName(pCxt, pTableAlias) || !checkColumnName(pCxt, pColumnName)) {
return NULL;
}
SColumnNode* col = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
CHECK_OUT_OF_MEM(col);
if (NULL != pTableAlias) {
strncpy(col->tableAlias, pTableAlias->z, pTableAlias->n);
}
strncpy(col->colName, pColumnName->z, pColumnName->n);
return (SNode*)col;
}
SNode* createValueNode(SAstCreateContext* pCxt, int32_t dataType, const SToken* pLiteral) {
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->node.resType.type = dataType;
val->node.resType.bytes = 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* createDurationValueNode(SAstCreateContext* pCxt, const SToken* pLiteral) {
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* createLogicConditionNode(SAstCreateContext* pCxt, ELogicConditionType type, SNode* pParam1, SNode* pParam2) {
SLogicConditionNode* cond = (SLogicConditionNode*)nodesMakeNode(QUERY_NODE_LOGIC_CONDITION);
CHECK_OUT_OF_MEM(cond);
cond->condType = type;
cond->pParameterList = nodesMakeList();
nodesListAppend(cond->pParameterList, pParam1);
nodesListAppend(cond->pParameterList, pParam2);
return (SNode*)cond;
}
SNode* createOperatorNode(SAstCreateContext* pCxt, EOperatorType type, SNode* pLeft, SNode* pRight) {
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) {
return createLogicConditionNode(pCxt, LOGIC_COND_TYPE_AND,
createOperatorNode(pCxt, OP_TYPE_GREATER_EQUAL, pExpr, pLeft), createOperatorNode(pCxt, OP_TYPE_LOWER_EQUAL, pExpr, pRight));
}
SNode* createNotBetweenAnd(SAstCreateContext* pCxt, SNode* pExpr, SNode* pLeft, SNode* pRight) {
return createLogicConditionNode(pCxt, LOGIC_COND_TYPE_OR,
createOperatorNode(pCxt, OP_TYPE_LOWER_THAN, pExpr, pLeft), createOperatorNode(pCxt, OP_TYPE_GREATER_THAN, pExpr, pRight));
}
SNode* createFunctionNode(SAstCreateContext* pCxt, const SToken* pFuncName, SNodeList* pParameterList) {
SFunctionNode* func = (SFunctionNode*)nodesMakeNode(QUERY_NODE_FUNCTION);
CHECK_OUT_OF_MEM(func);
strncpy(func->functionName, pFuncName->z, pFuncName->n);
func->pParameterList = pParameterList;
return (SNode*)func;
}
SNode* createNodeListNode(SAstCreateContext* pCxt, SNodeList* pList) {
SNodeListNode* list = (SNodeListNode*)nodesMakeNode(QUERY_NODE_NODE_LIST);
CHECK_OUT_OF_MEM(list);
list->pNodeList = pList;
return (SNode*)list;
}
SNode* createRealTableNode(SAstCreateContext* pCxt, const SToken* pDbName, const SToken* pTableName, const SToken* pTableAlias) {
if (!checkDbName(pCxt, pDbName) || !checkTableName(pCxt, pTableName)) {
return NULL;
}
SRealTableNode* realTable = (SRealTableNode*)nodesMakeNode(QUERY_NODE_REAL_TABLE);
CHECK_OUT_OF_MEM(realTable);
if (NULL != pDbName) {
strncpy(realTable->table.dbName, pDbName->z, pDbName->n);
} else {
strcpy(realTable->table.dbName, pCxt->pQueryCxt->db);
}
if (NULL != pTableAlias && TK_NIL != pTableAlias->type) {
strncpy(realTable->table.tableAlias, pTableAlias->z, pTableAlias->n);
} else {
strncpy(realTable->table.tableAlias, pTableName->z, pTableName->n);
}
strncpy(realTable->table.tableName, pTableName->z, pTableName->n);
return (SNode*)realTable;
}
SNode* createTempTableNode(SAstCreateContext* pCxt, SNode* pSubquery, const SToken* pTableAlias) {
STempTableNode* tempTable = (STempTableNode*)nodesMakeNode(QUERY_NODE_TEMP_TABLE);
CHECK_OUT_OF_MEM(tempTable);
tempTable->pSubquery = pSubquery;
if (NULL != pTableAlias && TK_NIL != pTableAlias->type) {
strncpy(tempTable->table.tableAlias, pTableAlias->z, pTableAlias->n);
}
return (SNode*)tempTable;
}
SNode* createJoinTableNode(SAstCreateContext* pCxt, EJoinType type, SNode* pLeft, SNode* pRight, SNode* pJoinCond) {
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) {
SLimitNode* limitNode = (SLimitNode*)nodesMakeNode(QUERY_NODE_LIMIT);
CHECK_OUT_OF_MEM(limitNode);
// limitNode->limit = limit;
// limitNode->offset = offset;
return (SNode*)limitNode;
}
SNode* createOrderByExprNode(SAstCreateContext* pCxt, SNode* pExpr, EOrder order, ENullOrder nullOrder) {
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, const SToken* pVal) {
SSessionWindowNode* session = (SSessionWindowNode*)nodesMakeNode(QUERY_NODE_SESSION_WINDOW);
CHECK_OUT_OF_MEM(session);
session->pCol = pCol;
// session->gap = getInteger(pVal);
return (SNode*)session;
}
SNode* createStateWindowNode(SAstCreateContext* pCxt, SNode* pCol) {
SStateWindowNode* state = (SStateWindowNode*)nodesMakeNode(QUERY_NODE_STATE_WINDOW);
CHECK_OUT_OF_MEM(state);
state->pCol = pCol;
return (SNode*)state;
}
SNode* createIntervalWindowNode(SAstCreateContext* pCxt, SNode* pInterval, SNode* pOffset, SNode* pSliding, SNode* pFill) {
SIntervalWindowNode* interval = (SIntervalWindowNode*)nodesMakeNode(QUERY_NODE_INTERVAL_WINDOW);
CHECK_OUT_OF_MEM(interval);
interval->pInterval = pInterval;
interval->pOffset = pOffset;
interval->pSliding = pSliding;
interval->pFill = pFill;
return (SNode*)interval;
}
SNode* createFillNode(SAstCreateContext* pCxt, EFillMode mode, SNode* pValues) {
SFillNode* fill = (SFillNode*)nodesMakeNode(QUERY_NODE_FILL);
CHECK_OUT_OF_MEM(fill);
fill->mode = mode;
fill->pValues = pValues;
return (SNode*)fill;
}
SNode* createGroupingSetNode(SAstCreateContext* pCxt, SNode* pNode) {
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* setProjectionAlias(SAstCreateContext* pCxt, SNode* pNode, const SToken* pAlias) {
if (NULL == pNode || !pCxt->valid) {
return pNode;
}
uint32_t maxLen = sizeof(((SExprNode*)pNode)->aliasName);
strncpy(((SExprNode*)pNode)->aliasName, pAlias->z, pAlias->n > maxLen ? maxLen : pAlias->n);
return pNode;
}
SNode* addWhereClause(SAstCreateContext* pCxt, SNode* pStmt, SNode* pWhere) {
if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
((SSelectStmt*)pStmt)->pWhere = pWhere;
}
return pStmt;
}
SNode* addPartitionByClause(SAstCreateContext* pCxt, SNode* pStmt, SNodeList* pPartitionByList) {
if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
((SSelectStmt*)pStmt)->pPartitionByList = pPartitionByList;
}
return pStmt;
}
SNode* addWindowClauseClause(SAstCreateContext* pCxt, SNode* pStmt, SNode* pWindow) {
if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
((SSelectStmt*)pStmt)->pWindow = pWindow;
}
return pStmt;
}
SNode* addGroupByClause(SAstCreateContext* pCxt, SNode* pStmt, SNodeList* pGroupByList) {
if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
((SSelectStmt*)pStmt)->pGroupByList = pGroupByList;
}
return pStmt;
}
SNode* addHavingClause(SAstCreateContext* pCxt, SNode* pStmt, SNode* pHaving) {
if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
((SSelectStmt*)pStmt)->pHaving = pHaving;
}
return pStmt;
}
SNode* addOrderByClause(SAstCreateContext* pCxt, SNode* pStmt, SNodeList* pOrderByList) {
if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
((SSelectStmt*)pStmt)->pOrderByList = pOrderByList;
}
return pStmt;
}
SNode* addSlimitClause(SAstCreateContext* pCxt, SNode* pStmt, SNode* pSlimit) {
if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
((SSelectStmt*)pStmt)->pSlimit = pSlimit;
}
return pStmt;
}
SNode* addLimitClause(SAstCreateContext* pCxt, SNode* pStmt, SNode* pLimit) {
if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
((SSelectStmt*)pStmt)->pLimit = pLimit;
}
return pStmt;
}
SNode* createSelectStmt(SAstCreateContext* pCxt, bool isDistinct, SNodeList* pProjectionList, SNode* pTable) {
SSelectStmt* select = (SSelectStmt*)nodesMakeNode(QUERY_NODE_SELECT_STMT);
CHECK_OUT_OF_MEM(select);
select->isDistinct = isDistinct;
select->pProjectionList = pProjectionList;
select->pFromTable = pTable;
return (SNode*)select;
}
SNode* createSetOperator(SAstCreateContext* pCxt, ESetOperatorType type, SNode* pLeft, SNode* pRight) {
SSetOperator* setOp = (SSetOperator*)nodesMakeNode(QUERY_NODE_SET_OPERATOR);
CHECK_OUT_OF_MEM(setOp);
setOp->opType = type;
setOp->pLeft = pLeft;
setOp->pRight = pRight;
return (SNode*)setOp;
}
SDatabaseOptions* createDefaultDatabaseOptions(SAstCreateContext* pCxt) {
SDatabaseOptions* pOptions = calloc(1, sizeof(SDatabaseOptions));
CHECK_OUT_OF_MEM(pOptions);
pOptions->numOfBlocks = TSDB_DEFAULT_TOTAL_BLOCKS;
pOptions->cacheBlockSize = TSDB_DEFAULT_CACHE_BLOCK_SIZE;
pOptions->cachelast = TSDB_DEFAULT_CACHE_LAST_ROW;
pOptions->compressionLevel = TSDB_DEFAULT_COMP_LEVEL;
pOptions->daysPerFile = TSDB_DEFAULT_DAYS_PER_FILE;
pOptions->fsyncPeriod = TSDB_DEFAULT_FSYNC_PERIOD;
pOptions->maxRowsPerBlock = TSDB_DEFAULT_MAX_ROW_FBLOCK;
pOptions->minRowsPerBlock = TSDB_DEFAULT_MIN_ROW_FBLOCK;
pOptions->keep = TSDB_DEFAULT_KEEP;
pOptions->precision = TSDB_TIME_PRECISION_MILLI;
pOptions->quorum = TSDB_DEFAULT_DB_QUORUM_OPTION;
pOptions->replica = TSDB_DEFAULT_DB_REPLICA_OPTION;
pOptions->ttl = TSDB_DEFAULT_DB_TTL_OPTION;
pOptions->walLevel = TSDB_DEFAULT_WAL_LEVEL;
pOptions->numOfVgroups = TSDB_DEFAULT_VN_PER_DB;
pOptions->singleStable = TSDB_DEFAULT_DB_SINGLE_STABLE_OPTION;
pOptions->streamMode = TSDB_DEFAULT_DB_STREAM_MODE_OPTION;
return pOptions;
}
SDatabaseOptions* setDatabaseOption(SAstCreateContext* pCxt, SDatabaseOptions* pOptions, EDatabaseOptionType type, const SToken* pVal) {
return setDbOptionFuncs[type](pCxt, pOptions, pVal);
}
SNode* createCreateDatabaseStmt(SAstCreateContext* pCxt, bool ignoreExists, const SToken* pDbName, SDatabaseOptions* pOptions) {
if (!checkDbName(pCxt, pDbName)) {
return NULL;
}
SCreateDatabaseStmt* pStmt = (SCreateDatabaseStmt*)nodesMakeNode(QUERY_NODE_CREATE_DATABASE_STMT);
CHECK_OUT_OF_MEM(pStmt);
strncpy(pStmt->dbName, pDbName->z, pDbName->n);
pStmt->ignoreExists = ignoreExists;
pStmt->options = *pOptions;
return (SNode*)pStmt;
}
STableOptions* createDefaultTableOptions(SAstCreateContext* pCxt) {
STableOptions* pOptions = calloc(1, sizeof(STableOptions));
CHECK_OUT_OF_MEM(pOptions);
pOptions->keep = TSDB_DEFAULT_KEEP;
pOptions->ttl = TSDB_DEFAULT_DB_TTL_OPTION;
return pOptions;
}
STableOptions* setTableOption(SAstCreateContext* pCxt, STableOptions* pOptions, ETableOptionType type, const SToken* pVal) {
return setTableOptionFuncs[type](pCxt, pOptions, pVal);
}
STableOptions* setTableSmaOption(SAstCreateContext* pCxt, STableOptions* pOptions, SNodeList* pSma) {
pOptions->pSma = pSma;
return pOptions;
}
SNode* createColumnDefNode(SAstCreateContext* pCxt, const SToken* pColName, SDataType dataType, const SToken* pComment) {
SColumnDefNode* pCol = (SColumnDefNode*)nodesMakeNode(QUERY_NODE_COLUMN_DEF);
CHECK_OUT_OF_MEM(pCol);
strncpy(pCol->colName, pColName->z, pColName->n);
pCol->dataType = dataType;
if (NULL != pComment) {
trimString(pComment->z, pComment->n, pCol->comments, sizeof(pCol->comments));
}
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 = tDataTypes[type].bytes };
return dt;
}
SNode* createCreateTableStmt(SAstCreateContext* pCxt,
bool ignoreExists, const STokenPair* pFullTableName, SNodeList* pCols, SNodeList* pTags, STableOptions* pOptions) {
SCreateTableStmt* pStmt = (SCreateTableStmt*)nodesMakeNode(QUERY_NODE_CREATE_TABLE_STMT);
CHECK_OUT_OF_MEM(pStmt);
if (TK_NIL != pFullTableName->first.type) {
strncpy(pStmt->dbName, pFullTableName->first.z, pFullTableName->first.n);
} else {
strcpy(pStmt->dbName, pCxt->pQueryCxt->db);
}
strncpy(pStmt->tableName, pFullTableName->second.z, pFullTableName->second.n);
pStmt->ignoreExists = ignoreExists;
pStmt->pCols = pCols;
pStmt->pTags = pTags;
pStmt->options = *pOptions;
return (SNode*)pStmt;
}
SNode* createCreateSubTableClause(SAstCreateContext* pCxt, bool ignoreExists,
const STokenPair* pFullTableName, const STokenPair* pUseFullTableName, SNodeList* pSpecificTags, SNodeList* pValsOfTags) {
SCreateSubTableClause* pStmt = nodesMakeNode(QUERY_NODE_CREATE_SUBTABLE_CLAUSE);
CHECK_OUT_OF_MEM(pStmt);
if (TK_NIL != pFullTableName->first.type) {
strncpy(pStmt->dbName, pFullTableName->first.z, pFullTableName->first.n);
} else {
strcpy(pStmt->dbName, pCxt->pQueryCxt->db);
}
strncpy(pStmt->tableName, pFullTableName->second.z, pFullTableName->second.n);
if (TK_NIL != pUseFullTableName->first.type) {
strncpy(pStmt->useDbName, pUseFullTableName->first.z, pUseFullTableName->first.n);
} else {
strcpy(pStmt->useDbName, pCxt->pQueryCxt->db);
}
strncpy(pStmt->useTableName, pUseFullTableName->second.z, pUseFullTableName->second.n);
pStmt->ignoreExists = ignoreExists;
pStmt->pSpecificTags = pSpecificTags;
pStmt->pValsOfTags = pValsOfTags;
return (SNode*)pStmt;
}
SNode* createCreateMultiTableStmt(SAstCreateContext* pCxt, SNodeList* pSubTables) {
SCreateMultiTableStmt* pStmt = nodesMakeNode(QUERY_NODE_CREATE_MULTI_TABLE_STMT);
CHECK_OUT_OF_MEM(pStmt);
pStmt->pSubTables = pSubTables;
return (SNode*)pStmt;
}
SNode* createUseDatabaseStmt(SAstCreateContext* pCxt, const SToken* pDbName) {
SUseDatabaseStmt* pStmt = (SUseDatabaseStmt*)nodesMakeNode(QUERY_NODE_USE_DATABASE_STMT);
CHECK_OUT_OF_MEM(pStmt);
strncpy(pStmt->dbName, pDbName->z, pDbName->n);
return (SNode*)pStmt;
}
SNode* createShowStmt(SAstCreateContext* pCxt, ENodeType type) {
SNode* pStmt = nodesMakeNode(type);;
CHECK_OUT_OF_MEM(pStmt);
return pStmt;
}