TD-12760 bug fix

source/libs/parser/src/parser.c

@@ -237,6 +237,9 @@ void qParserCleanupMetaRequestInfo(SCatalogReq* pMetaReq) {
 }
 
 void qDestroyQuery(SQueryNode* pQueryNode) {
+  if (NULL == pQueryNode) {
+    return;
+  }
   if (nodeType(pQueryNode) == TSDB_SQL_INSERT || nodeType(pQueryNode) == TSDB_SQL_CREATE_TABLE) {
     SVnodeModifOpStmtInfo* pModifInfo = (SVnodeModifOpStmtInfo*)pQueryNode;
     taosArrayDestroy(pModifInfo->pDataBlocks);

source/libs/planner/src/physicalPlanJson.c

@@ -398,7 +398,7 @@ static bool exprNodeFromJson(const cJSON* json, void* obj) {
     case TEXPR_FUNCTION_NODE:
       return fromObject(json, jkExprNodeFunction, functionFromJson, exprInfo, false);
     case TEXPR_COL_NODE:
-      return fromObject(json, jkExprNodeColumn, schemaFromJson, exprInfo->pSchema, false);
+      return fromObjectWithAlloc(json, jkExprNodeColumn, schemaFromJson, (void**)&exprInfo->pSchema, sizeof(SSchema), false);
     case TEXPR_VALUE_NODE:
       return fromObject(json, jkExprNodeValue, variantFromJson, exprInfo->pVal, false);
     default: