TD-6129<feature> fix error if json key not the same type

src/client/src/tscSQLParser.c

@@ -2322,7 +2322,10 @@ int32_t addProjectionExprAndResultField(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, t
       if (tokenId == TK_ARROW && pSchema->type != TSDB_DATA_TYPE_JSON) {
         return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg4);
       }
-
+      if(pSchema->type == TSDB_DATA_TYPE_JSON && tokenId == TK_ARROW){
+        pItem->aliasName = calloc(1, pItem->pNode->exprToken.n + 1);
+        memcpy(pItem->aliasName, pItem->pNode->exprToken.z, pItem->pNode->exprToken.n);
+      }
       addProjectQueryCol(pQueryInfo, startPos, &index, pItem, getNewResColId(pCmd));
       pQueryInfo->type |= TSDB_QUERY_TYPE_PROJECTION_QUERY;
     }

tests/pytest/stable/json_tag.py

@@ -235,7 +235,13 @@ class TDTestCase:
         tdSql.checkRows(3)
 
         # test chinese
-        tdSql.execute("CREATE TABLE if not exists db_json_tag_test.jsons1_11 using db_json_tag_test.jsons1 tags('{\"k1\":\"中国\",\"k2\":\"是是是\"}')")
+        tdSql.execute("CREATE TABLE if not exists db_json_tag_test.jsons1_11 using db_json_tag_test.jsons1 tags('{\"k1\":\"中国\",\"k5\":\"是是是\"}')")
+
+        tdSql.query("select tbname,jtag from db_json_tag_test.jsons1 where jtag->'k1' match '中'")
+        tdSql.checkRows(1)
+
+        tdSql.query("select tbname,jtag from db_json_tag_test.jsons1 where jtag->'k1'='中国'")
+        tdSql.checkRows(1)
 
     def stop(self):
         tdSql.close()