xxq250
/
homework-jianmu
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

fix: fix bugs of condition is null

This commit is contained in:
slzhou 2022-09-28 16:39:06 +08:00
parent 99bc329384
commit ed0d08192d
1 changed files with 11 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
source/libs/executor/src/scanoperator.c
View File

@ -2355,24 +2355,25 @@ static bool sysTableIsOperatorCondOnOneTable(SNode* pCond, char* condTable) {
}
static bool sysTableIsCondOnOneTable(SNode* pCond, char* condTable) {
if (pCond == NULL) {
return false;
}
if (nodeType(pCond) == QUERY_NODE_LOGIC_CONDITION) {
SLogicConditionNode* node = (SLogicConditionNode*)pCond;
if (LOGIC_COND_TYPE_AND == node->condType) {
SListCell* cell = node->pParameterList->pHead;
for (int32_t i = 0; i < node->pParameterList->length; ++i) {
SNode* pChild = cell->pNode;
if (QUERY_NODE_OPERATOR == nodeType(pChild)) {
if (sysTableIsOperatorCondOnOneTable(pChild, condTable)) {
return true;
}
SNode* pChild = NULL;
FOREACH(pChild, node->pParameterList) {
if (QUERY_NODE_OPERATOR == nodeType(pChild) && sysTableIsOperatorCondOnOneTable(pChild, condTable)) {
return true;
}
cell = cell->pNext;
}
}
}
if (QUERY_NODE_OPERATOR == nodeType(pCond)) {
return sysTableIsOperatorCondOnOneTable(pCond, condTable);
}
return false;
}
@ -2402,7 +2403,7 @@ static SSDataBlock* sysTableScanUserTags(SOperatorInfo* pOperator) {
char condTableName[TSDB_TABLE_NAME_LEN] = {0};
// optimize when sql like where table_name='tablename' and xxx.
if (sysTableIsCondOnOneTable(pInfo->pCondition, condTableName)) {
if (pInfo->pCondition && sysTableIsCondOnOneTable(pInfo->pCondition, condTableName)) {
char tableName[TSDB_TABLE_NAME_LEN + VARSTR_HEADER_SIZE] = {0};
STR_TO_VARSTR(tableName, condTableName);