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fix(query): add a null ptr check

This commit is contained in:
Haojun Liao 2022-04-26 14:10:25 +08:00
parent 13feb7dad9
commit ab390ecee1
1 changed files with 3 additions and 3 deletions
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6
source/libs/executor/src/executorimpl.c
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@ -4678,10 +4678,10 @@ _error:
int32_t getTableScanOrder(SOperatorInfo* pOperator) { int32_t getTableScanOrder(SOperatorInfo* pOperator) {
if (pOperator->operatorType != QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN) { if (pOperator->operatorType != QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN) {
if (pOperator->pDownstream[0] != NULL) { if (pOperator->pDownstream == NULL || pOperator->pDownstream[0] == NULL) {
return getTableScanOrder(pOperator->pDownstream[0]);
} else {
return TSDB_ORDER_ASC; return TSDB_ORDER_ASC;
} else {
return getTableScanOrder(pOperator->pDownstream[0]);
} }
} }