[TD-32] fix error in retrieve data from table created according to stable

src/client/inc/tscUtil.h

@@ -32,7 +32,7 @@ extern "C" {
 #define UTIL_TABLE_IS_SUPERTABLE(metaInfo) \
   (((metaInfo)->pTableMeta != NULL) && ((metaInfo)->pTableMeta->tableType == TSDB_SUPER_TABLE))
 #define UTIL_TABLE_IS_NOMRAL_TABLE(metaInfo) (!(UTIL_TABLE_IS_SUPERTABLE(metaInfo)))
-#define UTIL_TABLE_CREATE_FROM_STABLE(metaInfo) \
+#define UTIL_TABLE_IS_CHILD_TABLE(metaInfo) \
   (((metaInfo)->pTableMeta != NULL) && ((metaInfo)->pTableMeta->tableType == TSDB_CHILD_TABLE))
 
 #define TSDB_COL_IS_TAG(f) (((f)&TSDB_COL_TAG) != 0)

src/client/src/tscAsync.c

@@ -406,11 +406,6 @@ void tscTableMetaCallBack(void *param, TAOS_RES *res, int code) {
   SSqlCmd *pCmd = &pSql->cmd;
   SSqlRes *pRes = &pSql->res;
 
-  if (pSql->fp == NULL) {
-    tscError("%p callBack is NULL!!!", pSql);
-    return;
-  }
-
   if (pSql->fp == (void *)1) {
     pSql->fp = NULL;
 

src/client/src/tscSQLParser.c

@@ -4240,7 +4240,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
   } else if ((pAlterSQL->type == TSDB_ALTER_TABLE_UPDATE_TAG_VAL) && (UTIL_TABLE_IS_SUPERTABLE(pTableMetaInfo))) {
     return invalidSqlErrMsg(pQueryInfo->msg, msg4);
   } else if ((pAlterSQL->type == TSDB_ALTER_TABLE_ADD_COLUMN || pAlterSQL->type == TSDB_ALTER_TABLE_DROP_COLUMN) &&
-             UTIL_TABLE_CREATE_FROM_STABLE(pTableMetaInfo)) {
+             UTIL_TABLE_IS_CHILD_TABLE(pTableMetaInfo)) {
     return invalidSqlErrMsg(pQueryInfo->msg, msg6);
   }
 

src/client/src/tscSchemaUtil.c

@@ -51,12 +51,12 @@ int32_t tscGetNumOfColumns(const STableMeta* pTableMeta) {
 SSchema *tscGetTableSchema(const STableMeta *pTableMeta) {
   assert(pTableMeta != NULL);
   
-  if (pTableMeta->tableType == TSDB_CHILD_TABLE) {
-    STableMeta* pSTableMeta = pTableMeta->pSTable;
-    assert (pSTableMeta != NULL);
-    
-    return pSTableMeta->schema;
-  }
+//  if (pTableMeta->tableType == TSDB_CHILD_TABLE) {
+//    STableMeta* pSTableMeta = pTableMeta->pSTable;
+//    assert (pSTableMeta != NULL);
+//
+//    return pSTableMeta->schema;
+//  }
   
   return (SSchema*) pTableMeta->schema;
 }
@@ -72,12 +72,14 @@ SSchema* tscGetTableTagSchema(const STableMeta* pTableMeta) {
 
 STableComInfo tscGetTableInfo(const STableMeta* pTableMeta) {
   assert(pTableMeta != NULL);
-  
+
+#if 0
   if (pTableMeta->tableType == TSDB_CHILD_TABLE) {
     assert (pTableMeta->pSTable != NULL);
     return pTableMeta->pSTable->tableInfo;
   }
-  
+#endif
+
   return pTableMeta->tableInfo;
 }
 
@@ -130,12 +132,13 @@ SSchema* tscGetTableColumnSchema(const STableMeta* pTableMeta, int32_t startCol)
   assert(pTableMeta != NULL);
   
   SSchema* pSchema = pTableMeta->schema;
-  
+#if 0
   if (pTableMeta->tableType == TSDB_CHILD_TABLE) {
     assert (pTableMeta->pSTable != NULL);
     pSchema = pTableMeta->pSTable->schema;
   }
-  
+#endif
+
   return &pSchema[startCol];
 }
 

src/client/src/tscServer.c

@@ -325,8 +325,9 @@ void tscProcessMsgFromServer(SRpcMsg *rpcMsg) {
     rpcMsg->code = (*tscProcessMsgRsp[pCmd->command])(pSql);
   
   if (rpcMsg->code != TSDB_CODE_ACTION_IN_PROGRESS) {
-    int   command = pCmd->command;
-    void *taosres = tscKeepConn[command] ? pSql : NULL;
+    void *taosres = tscKeepConn[pCmd->command] ? pSql : NULL;
+    rpcMsg->code = pRes->code ? -pRes->code : pRes->numOfRows;
+    
     tscTrace("%p Async SQL result:%s res:%p", pSql, tstrerror(pRes->code), taosres);
 
     /*
@@ -1817,14 +1818,13 @@ int tscProcessTableMetaRsp(SSqlObj *pSql) {
   pMetaMsg->vgId = htonl(pMetaMsg->vgId);
   pMetaMsg->uid = htobe64(pMetaMsg->uid);
   pMetaMsg->contLen = htons(pMetaMsg->contLen);
+  pMetaMsg->numOfColumns = htons(pMetaMsg->numOfColumns);
 
   if (pMetaMsg->sid < 0 || pMetaMsg->vgId < 0) {
     tscError("invalid meter vgId:%d, sid%d", pMetaMsg->vgId, pMetaMsg->sid);
     return TSDB_CODE_INVALID_VALUE;
   }
 
-  pMetaMsg->numOfColumns = htons(pMetaMsg->numOfColumns);
-
   if (pMetaMsg->numOfTags > TSDB_MAX_TAGS || pMetaMsg->numOfTags < 0) {
     tscError("invalid numOfTags:%d", pMetaMsg->numOfTags);
     return TSDB_CODE_INVALID_VALUE;
@@ -1848,23 +1848,20 @@ int tscProcessTableMetaRsp(SSqlObj *pSql) {
     pSchema++;
   }
 
-//  rsp += numOfTotalCols * sizeof(SSchema);
-//
-//  int32_t  tagLen = 0;
-//  SSchema *pTagsSchema = tscGetTableTagSchema(pMetaMsg);
-//
-//  if (pMetaMsg->tableType == TSDB_CHILD_TABLE) {
-//    for (int32_t i = 0; i < pMetaMsg->numOfTags; ++i) {
-//      tagLen += pTagsSchema[i].bytes;
-//    }
-//  }
-//
-//  rsp += tagLen;
-//  int32_t size = (int32_t)(rsp - (char *)pMetaMsg);
-
   size_t size = 0;
   STableMeta* pTableMeta = tscCreateTableMetaFromMsg(pMetaMsg, &size);
 
+#if 0
+  // if current table is created according to super table, get the table meta of super table
+  if (pTableMeta->tableType == TSDB_CHILD_TABLE) {
+    char id[TSDB_TABLE_ID_LEN + 1] = {0};
+    strncpy(id, pMetaMsg->stableId, TSDB_TABLE_ID_LEN);
+  
+    // NOTE: if the table meta of super table is not cached at client side yet, the pSTable is NULL
+    pTableMeta->pSTable = taosCacheAcquireByName(tscCacheHandle, id);
+  }
+#endif
+  
   // todo add one more function: taosAddDataIfNotExists();
   STableMetaInfo *pTableMetaInfo = tscGetTableMetaInfoFromCmd(&pSql->cmd, 0, 0);
   assert(pTableMetaInfo->pTableMeta == NULL);
@@ -1878,6 +1875,7 @@ int tscProcessTableMetaRsp(SSqlObj *pSql) {
   }
 
   free(pTableMeta);
+  
   return TSDB_CODE_SUCCESS;
 }
 
@@ -2343,7 +2341,7 @@ int tscProcessRetrieveRspFromLocal(SSqlObj *pSql) {
 
 void tscTableMetaCallBack(void *param, TAOS_RES *res, int code);
 
-static int32_t doGetMeterMetaFromServer(SSqlObj *pSql, STableMetaInfo *pTableMetaInfo) {
+static int32_t getTableMetaFromMgmt(SSqlObj *pSql, STableMetaInfo *pTableMetaInfo) {
   SSqlObj *pNew = calloc(1, sizeof(SSqlObj));
   if (NULL == pNew) {
     tscError("%p malloc failed for new sqlobj to get meter meta", pSql);
@@ -2370,7 +2368,7 @@ static int32_t doGetMeterMetaFromServer(SSqlObj *pSql, STableMetaInfo *pTableMet
   STableMetaInfo *pNewMeterMetaInfo = tscAddEmptyMetaInfo(pNewQueryInfo);
   assert(pNew->cmd.numOfClause == 1 && pNewQueryInfo->numOfTables == 1);
 
-  strcpy(pNewMeterMetaInfo->name, pTableMetaInfo->name);
+  strncpy(pNewMeterMetaInfo->name, pTableMetaInfo->name, tListLen(pNewMeterMetaInfo->name));
   memcpy(pNew->cmd.payload, pSql->cmd.payload, TSDB_DEFAULT_PAYLOAD_SIZE);  // tag information if table does not exists.
   tscTrace("%p new pSqlObj:%p to get tableMeta", pSql, pNew);
 
@@ -2388,7 +2386,7 @@ static int32_t doGetMeterMetaFromServer(SSqlObj *pSql, STableMetaInfo *pTableMet
 int32_t tscGetTableMeta(SSqlObj *pSql, STableMetaInfo *pTableMetaInfo) {
   assert(strlen(pTableMetaInfo->name) != 0);
 
-  // If this STableMetaInfo owns a metermeta, release it first
+  // If this STableMetaInfo owns a table meta, release it first
   if (pTableMetaInfo->pTableMeta != NULL) {
     taosCacheRelease(tscCacheHandle, (void **)&(pTableMetaInfo->pTableMeta), false);
   }
@@ -2401,12 +2399,8 @@ int32_t tscGetTableMeta(SSqlObj *pSql, STableMetaInfo *pTableMetaInfo) {
 
     return TSDB_CODE_SUCCESS;
   }
-
-  /*
-   * for async insert operation, release data block buffer before issue new object to get metermeta
-   * because in table meta callback function, the tscParse function will generate the submit data blocks
-   */
-  return doGetMeterMetaFromServer(pSql, pTableMetaInfo);
+  
+  return getTableMetaFromMgmt(pSql, pTableMetaInfo);
 }
 
 int tscGetMeterMetaEx(SSqlObj *pSql, STableMetaInfo *pTableMetaInfo, bool createIfNotExists) {
@@ -2455,7 +2449,7 @@ int tscRenewMeterMeta(SSqlObj *pSql, char *tableId) {
     tscWaitingForCreateTable(pCmd);
     taosCacheRelease(tscCacheHandle, (void **)&(pTableMetaInfo->pTableMeta), true);
 
-    code = doGetMeterMetaFromServer(pSql, pTableMetaInfo);  // todo ??
+    code = getTableMetaFromMgmt(pSql, pTableMetaInfo);  // todo ??
   } else {
     tscTrace("%p metric query not update metric meta, numOfTags:%d, numOfCols:%d, uid:%" PRId64 ", addr:%p", pSql,
              tscGetNumOfTags(pTableMetaInfo->pTableMeta), pCmd->numOfCols, pTableMetaInfo->pTableMeta->uid,

src/client/src/tscSql.c

@@ -651,8 +651,7 @@ static void **tscBuildResFromSubqueries(SSqlObj *pSql) {
 
 static void asyncFetchCallback(void *param, TAOS_RES *tres, int numOfRows) {
   SSqlObj* pSql = (SSqlObj*) tres;
-  if (numOfRows < 0) {
-    // set the error code
+  if (numOfRows < 0) { // set the error code
     pSql->res.code = -numOfRows;
   }
   

src/inc/taosmsg.h

@@ -206,14 +206,6 @@ typedef struct SMsgHead {
   int32_t vgId;
 } SMsgHead;
 
-// typedef struct {
-//  SMsgDesc desc;
-//  SMsgHead header;
-//  int16_t import;
-//  int32_t numOfTables; // total number of sid
-//  char    blks[];      // number of data blocks, each table has at least one data block
-//} SShellSubmitMsg;
-
 // Submit message for one table
 typedef struct SSubmitBlk {
   int64_t uid;        // table unique id
@@ -683,14 +675,15 @@ typedef struct {
 } SSuperTableMeta;
 
 typedef struct STableMetaMsg {
-  char    tableId[TSDB_TABLE_ID_LEN];  // note: This field must be at the front
-  int32_t contLen;
-  uint8_t numOfTags;
-  uint8_t precision;
-  uint8_t tableType;
-  int16_t numOfColumns;
-  int16_t sversion;
-
+  int32_t    contLen;
+  
+  char       tableId[TSDB_TABLE_ID_LEN];       // table id
+  char       stableId[TSDB_TABLE_ID_LEN];  // stable name if it is created according to super table
+  uint8_t    numOfTags;
+  uint8_t    precision;
+  uint8_t    tableType;
+  int16_t    numOfColumns;
+  int16_t    sversion;
   int8_t     numOfVpeers;
   SVnodeDesc vpeerDesc[TSDB_VNODES_SUPPORT];
   int32_t    sid;

src/mnode/src/mgmtChildTable.c

@@ -728,6 +728,7 @@ static int32_t mgmtDoGetChildTableMeta(SDbObj *pDb, SChildTableObj *pTable, STab
     pMeta->numOfTags    = 0;
     pMeta->numOfColumns = htons((int16_t)pTable->superTable->numOfColumns);
     pMeta->contLen      = sizeof(STableMetaMsg) + mgmtSetSchemaFromSuperTable(pMeta->schema, pTable->superTable);
+    strncpy(pMeta->stableId, pTable->superTable->info.tableId, tListLen(pMeta->stableId));
   } else {
     pMeta->sversion     = htons(pTable->sversion);
     pMeta->numOfTags    = 0;