add null pointer check

d48e3b35 · Ganlin Zhao · d5c73f31 · d48e3b35
隐藏空白更改
内联并排

Showing with 1 addition and 1 deletion

source/libs/parser/src/parTranslater.c source/libs/parser/src/parTranslater.c +1 -1

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--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -1667,7 +1667,7 @@ static int32_t translateForbidSysTableFunc(STranslateContext* pCxt, SFunctionNod

  SSelectStmt*   pSelect = (SSelectStmt*)pCxt->pCurrStmt;
  SRealTableNode* pTable = (SRealTableNode*)pSelect->pFromTable;
-  if (TSDB_SYSTEM_TABLE == pTable->pMeta->tableType) {
+  if (NULL != pTable && TSDB_SYSTEM_TABLE == pTable->pMeta->tableType) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_SYSTABLE_NOT_ALLOWED_FUNC, pFunc->functionName);
  }
  return TSDB_CODE_SUCCESS;