fix(query): add a null ptr check

ab390ece · Haojun Liao · 13feb7da · ab390ece
隐藏空白更改
内联并排

Showing with 3 addition and 3 deletion

source/libs/executor/src/executorimpl.c source/libs/executor/src/executorimpl.c +3 -3

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--- a/source/libs/executor/src/executorimpl.c
+++ b/source/libs/executor/src/executorimpl.c
@@ -4678,10 +4678,10 @@ _error:

 int32_t getTableScanOrder(SOperatorInfo* pOperator) {
  if (pOperator->operatorType != QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN) {
-    if (pOperator->pDownstream[0] != NULL) {
-      return getTableScanOrder(pOperator->pDownstream[0]);
-    } else {
+    if (pOperator->pDownstream == NULL || pOperator->pDownstream[0] == NULL) {
      return TSDB_ORDER_ASC;
+    } else {
+      return getTableScanOrder(pOperator->pDownstream[0]);
    }
  }