fix: fix show queries crash and error msg

include/util/taoserror.h

@@ -555,6 +555,7 @@ int32_t* taosGetErrno();
 #define TSDB_CODE_PAR_ONLY_SUPPORT_SINGLE_TABLE TAOS_DEF_ERROR_CODE(0, 0x265F)
 #define TSDB_CODE_PAR_INVALID_SMA_INDEX         TAOS_DEF_ERROR_CODE(0, 0x2660)
 #define TSDB_CODE_PAR_INVALID_SELECTED_EXPR     TAOS_DEF_ERROR_CODE(0, 0x2661)
+#define TSDB_CODE_PAR_GET_META_ERROR            TAOS_DEF_ERROR_CODE(0, 0x2662)
 #define TSDB_CODE_PAR_INTERNAL_ERROR            TAOS_DEF_ERROR_CODE(0, 0x26FF)
 
 //planner

source/client/src/clientHb.c

@@ -353,6 +353,7 @@ int32_t hbBuildQueryDesc(SQueryHbReqBasic *hbBasic, STscObj *pObj) {
         desc.subDesc = NULL;
         desc.subPlanNum = 0;
       }
+      ASSERT(desc.subPlanNum == taosArrayGetSize(desc.subDesc));
     } else {
       desc.subDesc = NULL;
     }

source/common/src/tmsg.c

@@ -305,6 +305,8 @@ static int32_t tDeserializeSClientHbReq(SDecoder *pDecoder, SClientHbReq *pReq)
               taosArrayPush(desc.subDesc, &sDesc);
             }
           }
+          
+          ASSERT(desc.subPlanNum == taosArrayGetSize(desc.subDesc));
 
           taosArrayPush(pReq->query->queryDesc, &desc);
         }

source/libs/parser/src/parTranslater.c

@@ -1857,7 +1857,7 @@ static int32_t translateTable(STranslateContext* pCxt, SNode* pTable) {
             pCxt, toName(pCxt->pParseCxt->acctId, pRealTable->table.dbName, pRealTable->table.tableName, &name),
             &(pRealTable->pMeta));
         if (TSDB_CODE_SUCCESS != code) {
-          return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_TABLE_NOT_EXIST, pRealTable->table.tableName);
+          return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_GET_META_ERROR, tstrerror(code));
         }
         code = setTableVgroupList(pCxt, &name, pRealTable);
         if (TSDB_CODE_SUCCESS == code) {

source/libs/parser/src/parUtil.c

@@ -31,6 +31,8 @@ static char* getSyntaxErrFormat(int32_t errCode) {
       return "Invalid column name: %s";
     case TSDB_CODE_PAR_TABLE_NOT_EXIST:
       return "Table does not exist: %s";
+    case TSDB_CODE_PAR_GET_META_ERROR:
+      return "Fail to get table info, error: %s";
     case TSDB_CODE_PAR_AMBIGUOUS_COLUMN:
       return "Column ambiguously defined: %s";
     case TSDB_CODE_PAR_WRONG_VALUE_TYPE:

source/libs/scheduler/src/schJob.c

@@ -916,7 +916,7 @@ int32_t schProcessOnOpBegin(SSchJob* pJob, SCH_OP_TYPE type, SSchedulerReq* pReq
         qDebug("job not initialized or not executable job, refId:0x%" PRIx64, pJob->refId);
         SCH_ERR_RET(TSDB_CODE_SCH_STATUS_ERROR);
       }
-      break;
+      return TSDB_CODE_SUCCESS;
     default:
       SCH_JOB_ELOG("unknown operation type %d", type);
       SCH_ERR_RET(TSDB_CODE_TSC_APP_ERROR);

source/util/src/terror.c

@@ -559,6 +559,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_PAR_NO_VALID_FUNC_IN_WIN,       "Not valid function
 TAOS_DEFINE_ERROR(TSDB_CODE_PAR_ONLY_SUPPORT_SINGLE_TABLE,  "Only support single table")
 TAOS_DEFINE_ERROR(TSDB_CODE_PAR_INVALID_SMA_INDEX,          "Invalid sma index")
 TAOS_DEFINE_ERROR(TSDB_CODE_PAR_INVALID_SELECTED_EXPR,      "Invalid SELECTed expression")
+TAOS_DEFINE_ERROR(TSDB_CODE_PAR_GET_META_ERROR,             "Fail to get table info")
 TAOS_DEFINE_ERROR(TSDB_CODE_PAR_INTERNAL_ERROR,             "Parser internal error")
 
 //planner