fix(query): check result size before store it.

2022-11-18 14:00:27 +08:00 · 2022-11-18 14:00:27 +08:00 · f26a492c67
parent ec7ad45b2b
commit f26a492c67
1 changed files with 4 additions and 1 deletions
--- a/source/libs/executor/src/executil.c
+++ b/source/libs/executor/src/executil.c
@ -1010,7 +1010,10 @@ int32_t getTableList(void* metaHandle, void* pVnode, SScanPhysiNode* pScanNode,
      size_t size = numOfTables * sizeof(uint64_t) + sizeof(int32_t);
      char*  pPayload = taosMemoryMalloc(size);
      *(int32_t*)pPayload = numOfTables;
+
+      if (numOfTables > 0) {
        memcpy(pPayload + sizeof(int32_t), taosArrayGet(res, 0), numOfTables * sizeof(uint64_t));
+      }

      metaUidFilterCachePut(metaHandle, pScanNode->suid, context.digest, tListLen(context.digest), pPayload,
          size, 1);