get meta message

src/client/inc/tsclient.h

@@ -120,7 +120,7 @@ typedef struct SCond {
 } SCond;
 
 typedef struct SJoinNode {
-  char     meterId[TSDB_TABLE_ID_LEN];
+  char     tableId[TSDB_TABLE_ID_LEN];
   uint64_t uid;
   int16_t  tagCol;
 } SJoinNode;
@@ -155,7 +155,7 @@ typedef struct SParamInfo {
 } SParamInfo;
 
 typedef struct STableDataBlocks {
-  char    meterId[TSDB_TABLE_ID_LEN];
+  char    tableId[TSDB_TABLE_ID_LEN];
   int8_t  tsSource;     // where does the UNIX timestamp come from, server or client
   bool    ordered;      // if current rows are ordered or not
   int64_t vgid;         // virtual group id
@@ -384,7 +384,7 @@ int  tscProcessSql(SSqlObj *pSql);
 
 void tscAsyncInsertMultiVnodesProxy(void *param, TAOS_RES *tres, int numOfRows);
 
-int  tscRenewMeterMeta(SSqlObj *pSql, char *meterId);
+int  tscRenewMeterMeta(SSqlObj *pSql, char *tableId);
 void tscQueueAsyncRes(SSqlObj *pSql);
 
 void tscQueueAsyncError(void(*fp), void *param);

src/client/src/tscParseInsert.c

@@ -1544,7 +1544,7 @@ void tscProcessMultiVnodesInsertFromFile(SSqlObj *pSql) {
       continue;
     }
 
-    strncpy(pMeterMetaInfo->name, pDataBlock->meterId, TSDB_TABLE_ID_LEN);
+    strncpy(pMeterMetaInfo->name, pDataBlock->tableId, TSDB_TABLE_ID_LEN);
     memset(pDataBlock->pData, 0, pDataBlock->nAllocSize);
 
     int32_t ret = tscGetMeterMeta(pSql, pMeterMetaInfo);

src/client/src/tscSQLParser.c

@@ -2867,7 +2867,7 @@ static int32_t getJoinCondInfo(SQueryInfo* pQueryInfo, tSQLExpr* pExpr) {
 
   pLeft->uid = pMeterMetaInfo->pMeterMeta->uid;
   pLeft->tagCol = tagColIndex;
-  strcpy(pLeft->meterId, pMeterMetaInfo->name);
+  strcpy(pLeft->tableId, pMeterMetaInfo->name);
 
   index = (SColumnIndex)COLUMN_INDEX_INITIALIZER;
   if (getColumnIndexByName(&pExpr->pRight->colInfo, pQueryInfo, &index) != TSDB_CODE_SUCCESS) {
@@ -2879,7 +2879,7 @@ static int32_t getJoinCondInfo(SQueryInfo* pQueryInfo, tSQLExpr* pExpr) {
 
   pRight->uid = pMeterMetaInfo->pMeterMeta->uid;
   pRight->tagCol = tagColIndex;
-  strcpy(pRight->meterId, pMeterMetaInfo->name);
+  strcpy(pRight->tableId, pMeterMetaInfo->name);
 
   pTagCond->joinInfo.hasJoin = true;
   return TSDB_CODE_SUCCESS;

src/client/src/tscServer.c

@@ -1838,7 +1838,7 @@ int32_t tscBuildDropTableMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
 
   pDropTableMsg = (SDropTableMsg *)pMsg;
 
-  strcpy(pDropTableMsg->meterId, pMeterMetaInfo->name);
+  strcpy(pDropTableMsg->tableId, pMeterMetaInfo->name);
 
   pDropTableMsg->igNotExists = pInfo->pDCLInfo->existsCheck ? 1 : 0;
   pMsg += sizeof(SDropTableMsg);
@@ -2353,7 +2353,7 @@ int tscBuildConnectMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
 }
 
 int tscBuildMeterMetaMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
-  SMeterInfoMsg *pInfoMsg;
+  STableInfoMsg *pInfoMsg;
   char *         pMsg, *pStart;
   int            msgLen = 0;
 
@@ -2381,10 +2381,10 @@ int tscBuildMeterMetaMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
 
   pMsg += sizeof(SMgmtHead);
 
-  pInfoMsg = (SMeterInfoMsg *)pMsg;
-  strcpy(pInfoMsg->meterId, pMeterMetaInfo->name);
+  pInfoMsg = (STableInfoMsg *)pMsg;
+  strcpy(pInfoMsg->tableId, pMeterMetaInfo->name);
   pInfoMsg->createFlag = htons(pSql->cmd.createOnDemand ? 1 : 0);
-  pMsg += sizeof(SMeterInfoMsg);
+  pMsg += sizeof(STableInfoMsg);
 
   if (pSql->cmd.createOnDemand) {
     memcpy(pInfoMsg->tags, tmpData, sizeof(STagData));
@@ -2403,7 +2403,7 @@ int tscBuildMeterMetaMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
 
 /**
  *  multi meter meta req pkg format:
- *  | SMgmtHead | SMultiMeterInfoMsg | meterId0 | meterId1 | meterId2 | ......
+ *  | SMgmtHead | SMultiTableInfoMsg | tableId0 | tableId1 | tableId2 | ......
  *      no used         4B
  **/
 int tscBuildMultiMeterMetaMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
@@ -2421,16 +2421,16 @@ int tscBuildMultiMeterMetaMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
   SMgmtHead *pMgmt = (SMgmtHead *)(pCmd->payload + tsRpcHeadSize);
   memset(pMgmt->db, 0, TSDB_TABLE_ID_LEN);  // server don't need the db
 
-  SMultiMeterInfoMsg *pInfoMsg = (SMultiMeterInfoMsg *)(pCmd->payload + tsRpcHeadSize + sizeof(SMgmtHead));
-  pInfoMsg->numOfMeters = htonl((int32_t)pCmd->count);
+  SMultiTableInfoMsg *pInfoMsg = (SMultiTableInfoMsg *)(pCmd->payload + tsRpcHeadSize + sizeof(SMgmtHead));
+  pInfoMsg->numOfTables = htonl((int32_t)pCmd->count);
 
   if (pCmd->payloadLen > 0) {
-    memcpy(pInfoMsg->meterId, tmpData, pCmd->payloadLen);
+    memcpy(pInfoMsg->tableIds, tmpData, pCmd->payloadLen);
   }
 
   tfree(tmpData);
 
-  pCmd->payloadLen += sizeof(SMgmtHead) + sizeof(SMultiMeterInfoMsg);
+  pCmd->payloadLen += sizeof(SMgmtHead) + sizeof(SMultiTableInfoMsg);
   pCmd->msgType = TSDB_MSG_TYPE_MULTI_TABLE_META;
 
   assert(pCmd->payloadLen + minMsgSize() <= pCmd->allocSize);
@@ -2502,13 +2502,13 @@ int tscBuildMetricMetaMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
   // todo refactor
   pMetaMsg->joinCondLen = htonl((TSDB_TABLE_ID_LEN + sizeof(int16_t)) * 2);
 
-  memcpy(pMsg, pTagCond->joinInfo.left.meterId, TSDB_TABLE_ID_LEN);
+  memcpy(pMsg, pTagCond->joinInfo.left.tableId, TSDB_TABLE_ID_LEN);
   pMsg += TSDB_TABLE_ID_LEN;
 
   *(int16_t *)pMsg = pTagCond->joinInfo.left.tagCol;
   pMsg += sizeof(int16_t);
 
-  memcpy(pMsg, pTagCond->joinInfo.right.meterId, TSDB_TABLE_ID_LEN);
+  memcpy(pMsg, pTagCond->joinInfo.right.tableId, TSDB_TABLE_ID_LEN);
   pMsg += TSDB_TABLE_ID_LEN;
 
   *(int16_t *)pMsg = pTagCond->joinInfo.right.tagCol;
@@ -2590,7 +2590,7 @@ int tscBuildMetricMetaMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
       }
     }
 
-    strcpy(pElem->meterId, pMeterMetaInfo->name);
+    strcpy(pElem->tableId, pMeterMetaInfo->name);
     pElem->numOfTags = htons(pMeterMetaInfo->numOfTags);
 
     int16_t len = pMsg - (char *)pElem;
@@ -2751,7 +2751,7 @@ int tscProcessMeterMetaRsp(SSqlObj *pSql) {
 
 /**
  *  multi meter meta rsp pkg format:
- *  | STaosRsp | ieType | SMultiMeterInfoMsg | SMeterMeta0 | SSchema0 | SMeterMeta1 | SSchema1 | SMeterMeta2 | SSchema2
+ *  | STaosRsp | ieType | SMultiTableInfoMsg | SMeterMeta0 | SSchema0 | SMeterMeta1 | SSchema1 | SMeterMeta2 | SSchema2
  *  |...... 1B        1B            4B
  **/
 int tscProcessMultiMeterMetaRsp(SSqlObj *pSql) {
@@ -2772,13 +2772,13 @@ int tscProcessMultiMeterMetaRsp(SSqlObj *pSql) {
 
   rsp++;
 
-  SMultiMeterInfoMsg *pInfo = (SMultiMeterInfoMsg *)rsp;
-  totalNum = htonl(pInfo->numOfMeters);
-  rsp += sizeof(SMultiMeterInfoMsg);
+  SMultiTableInfoMsg *pInfo = (SMultiTableInfoMsg *)rsp;
+  totalNum = htonl(pInfo->numOfTables);
+  rsp += sizeof(SMultiTableInfoMsg);
 
   for (i = 0; i < totalNum; i++) {
     SMultiMeterMeta *pMultiMeta = (SMultiMeterMeta *)rsp;
-    SMeterMeta *     pMeta = &pMultiMeta->meta;
+    SMeterMeta *     pMeta = &pMultiMeta->metas;
 
     pMeta->sid = htonl(pMeta->sid);
     pMeta->sversion = htons(pMeta->sversion);
@@ -2850,7 +2850,7 @@ int tscProcessMultiMeterMetaRsp(SSqlObj *pSql) {
     int32_t size = (int32_t)(rsp - ((char *)pMeta));  // Consistent with SMeterMeta in cache
 
     pMeta->index = 0;
-    (void)taosAddDataIntoCache(tscCacheHandle, pMultiMeta->meterId, (char *)pMeta, size, tsMeterMetaKeepTimer);
+    (void)taosAddDataIntoCache(tscCacheHandle, pMeta->tableId, (char *)pMeta, size, tsMeterMetaKeepTimer);
   }
 
   pSql->res.code = TSDB_CODE_SUCCESS;
@@ -3312,10 +3312,10 @@ static void tscWaitingForCreateTable(SSqlCmd *pCmd) {
 /**
  * in renew metermeta, do not retrieve metadata in cache.
  * @param pSql          sql object
- * @param meterId       meter id
+ * @param tableId       meter id
  * @return              status code
  */
-int tscRenewMeterMeta(SSqlObj *pSql, char *meterId) {
+int tscRenewMeterMeta(SSqlObj *pSql, char *tableId) {
   int code = 0;
 
   // handle metric meta renew process

src/client/src/tscUtil.c

@@ -56,7 +56,7 @@ void tscGetMetricMetaCacheKey(SQueryInfo* pQueryInfo, char* str, uint64_t uid) {
 
   char join[512] = {0};
   if (pTagCond->joinInfo.hasJoin) {
-    sprintf(join, "%s,%s", pTagCond->joinInfo.left.meterId, pTagCond->joinInfo.right.meterId);
+    sprintf(join, "%s,%s", pTagCond->joinInfo.left.tableId, pTagCond->joinInfo.right.tableId);
   }
 
   // estimate the buffer size
@@ -156,13 +156,13 @@ bool tscIsSelectivityWithTagQuery(SSqlCmd* pCmd) {
   return false;
 }
 
-void tscGetDBInfoFromMeterId(char* meterId, char* db) {
-  char* st = strstr(meterId, TS_PATH_DELIMITER);
+void tscGetDBInfoFromMeterId(char* tableId, char* db) {
+  char* st = strstr(tableId, TS_PATH_DELIMITER);
   if (st != NULL) {
     char* end = strstr(st + 1, TS_PATH_DELIMITER);
     if (end != NULL) {
-      memcpy(db, meterId, (end - meterId));
-      db[end - meterId] = 0;
+      memcpy(db, tableId, (end - tableId));
+      db[end - tableId] = 0;
       return;
     }
   }
@@ -590,12 +590,12 @@ int32_t tscCopyDataBlockToPayload(SSqlObj* pSql, STableDataBlocks* pDataBlock) {
 
   // set the correct metermeta object, the metermeta has been locked in pDataBlocks, so it must be in the cache
   if (pMeterMetaInfo->pMeterMeta != pDataBlock->pMeterMeta) {
-    strcpy(pMeterMetaInfo->name, pDataBlock->meterId);
+    strcpy(pMeterMetaInfo->name, pDataBlock->tableId);
     taosRemoveDataFromCache(tscCacheHandle, (void**)&(pMeterMetaInfo->pMeterMeta), false);
 
     pMeterMetaInfo->pMeterMeta = taosTransferDataInCache(tscCacheHandle, (void**)&pDataBlock->pMeterMeta);
   } else {
-    assert(strncmp(pMeterMetaInfo->name, pDataBlock->meterId, tListLen(pDataBlock->meterId)) == 0);
+    assert(strncmp(pMeterMetaInfo->name, pDataBlock->tableId, tListLen(pDataBlock->tableId)) == 0);
   }
 
   /*
@@ -660,7 +660,7 @@ int32_t tscCreateDataBlock(size_t initialSize, int32_t rowSize, int32_t startOff
   dataBuf->size = startOffset;
   dataBuf->tsSource = -1;
 
-  strncpy(dataBuf->meterId, name, TSDB_TABLE_ID_LEN);
+  strncpy(dataBuf->tableId, name, TSDB_TABLE_ID_LEN);
 
   /*
    * The metermeta may be released since the metermeta cache are completed clean by other thread
@@ -709,7 +709,7 @@ int32_t tscMergeTableDataBlocks(SSqlObj* pSql, SDataBlockList* pTableDataBlockLi
     STableDataBlocks* dataBuf = NULL;
     int32_t           ret =
         tscGetDataBlockFromList(pVnodeDataBlockHashList, pVnodeDataBlockList, pOneTableBlock->vgid, TSDB_PAYLOAD_SIZE,
-                                tsInsertHeadSize, 0, pOneTableBlock->meterId, pOneTableBlock->pMeterMeta, &dataBuf);
+                                tsInsertHeadSize, 0, pOneTableBlock->tableId, pOneTableBlock->pMeterMeta, &dataBuf);
     if (ret != TSDB_CODE_SUCCESS) {
       tscError("%p failed to prepare the data block buffer for merging table data, code:%d", pSql, ret);
       taosCleanUpHashTable(pVnodeDataBlockHashList);
@@ -743,7 +743,7 @@ int32_t tscMergeTableDataBlocks(SSqlObj* pSql, SDataBlockList* pTableDataBlockLi
 
     char* e = (char*)pBlocks->payLoad + pOneTableBlock->rowSize*(pBlocks->numOfRows-1);
     
-    tscTrace("%p meterId:%s, sid:%d rows:%d sversion:%d skey:%" PRId64 ", ekey:%" PRId64, pSql, pOneTableBlock->meterId, pBlocks->sid,
+    tscTrace("%p tableId:%s, sid:%d rows:%d sversion:%d skey:%" PRId64 ", ekey:%" PRId64, pSql, pOneTableBlock->tableId, pBlocks->sid,
              pBlocks->numOfRows, pBlocks->sversion, GET_INT64_VAL(pBlocks->payLoad), GET_INT64_VAL(e));
 
     pBlocks->sid = htonl(pBlocks->sid);

src/inc/taosmsg.h

@@ -277,11 +277,11 @@ typedef struct {
   int16_t   numOfColumns;
   int16_t   sqlLen;  // the length of SQL, it starts after schema , sql is a null-terminated string
   int16_t   reserved[16];
-  SSchema schema[];
+  SSchema   schema[];
 } SCreateTableMsg;
 
 typedef struct {
-  char   meterId[TSDB_TABLE_ID_LEN];
+  char   tableId[TSDB_TABLE_ID_LEN];
   char   db[TSDB_DB_NAME_LEN];
   int8_t igNotExists;
 } SDropTableMsg;
@@ -348,7 +348,7 @@ typedef struct {
   short    vnode;
   int32_t  sid;
   uint64_t uid;
-  char     meterId[TSDB_TABLE_ID_LEN];
+  char     tableId[TSDB_TABLE_ID_LEN];
 } SDRemoveTableMsg;
 
 typedef struct {
@@ -615,7 +615,7 @@ typedef struct {
 typedef struct {
   uint32_t destId;
   uint32_t destIp;
-  char     meterId[TSDB_UNI_LEN];
+  char     tableId[TSDB_UNI_LEN];
   char     empty[3];
   uint8_t  msgType;
   int32_t  msgLen;
@@ -647,20 +647,21 @@ typedef struct {
 } SVPeersMsg;
 
 typedef struct {
-  char  meterId[TSDB_TABLE_ID_LEN];
-  short createFlag;
-  char  tags[];
-} SMeterInfoMsg;
+  char    tableId[TSDB_TABLE_ID_LEN];
+  char    db[TSDB_DB_NAME_LEN];
+  int16_t createFlag;
+  char    tags[];
+} STableInfoMsg;
 
 typedef struct {
-  int32_t numOfMeters;
-  char    meterId[];
-} SMultiMeterInfoMsg;
+  int32_t numOfTables;
+  char    tableIds[];
+} SMultiTableInfoMsg;
 
 typedef struct {
   int16_t elemLen;
 
-  char    meterId[TSDB_TABLE_ID_LEN];
+  char    tableId[TSDB_TABLE_ID_LEN];
   int16_t orderIndex;
   int16_t orderType;  // used in group by xx order by xxx
 
@@ -701,26 +702,26 @@ typedef struct {
 } SMetricMeta;
 
 typedef struct SMeterMeta {
+  char    tableId[TSDB_TABLE_ID_LEN];  // note: This field must be at the front
+  int32_t contLen;
   uint8_t numOfTags : 6;
   uint8_t precision : 2;
   uint8_t tableType : 4;
   uint8_t index : 4;  // used locally
-
   int16_t numOfColumns;
-
   int16_t rowSize;  // used locally, calculated in client
   int16_t sversion;
-
   SVPeerDesc vpeerDesc[TSDB_VNODES_SUPPORT];
-
   int32_t  sid;
   int32_t  vgid;
   uint64_t uid;
+  SSchema  schema[];
 } SMeterMeta;
 
 typedef struct SMultiMeterMeta {
-  char       meterId[TSDB_TABLE_ID_LEN];  // note: This field must be at the front
-  SMeterMeta meta;
+  int32_t    numOfTables;
+  int32_t    contLen;
+  SMeterMeta metas[];
 } SMultiMeterMeta;
 
 typedef struct {

src/mnode/inc/mgmtChildTable.h

@@ -26,14 +26,18 @@ extern "C" {
 
 #include "mnode.h"
 
-int32_t         mgmtInitChildTables();
-void            mgmtCleanUpChildTables();
-int32_t         mgmtCreateChildTable(SDbObj *pDb, SCreateTableMsg *pCreate, SVgObj *pVgroup, int32_t sid);
-int32_t         mgmtDropChildTable(SDbObj *pDb, SChildTableObj *pTable);
-int32_t         mgmtAlterChildTable(SDbObj *pDb, SAlterTableMsg *pAlter);
-int32_t         mgmtModifyChildTableTagValueByName(SChildTableObj *pTable, char *tagName, char *nContent);
-SChildTableObj* mgmtGetChildTable(char *tableId);
-int8_t *        mgmtBuildCreateChildTableMsg(SChildTableObj *pTable, SVgObj *pVgroup);
+int32_t mgmtInitChildTables();
+void    mgmtCleanUpChildTables();
+
+void *  mgmtGetChildTable(char *tableId);
+
+int32_t mgmtCreateChildTable(SDbObj *pDb, SCreateTableMsg *pCreate, SVgObj *pVgroup, int32_t sid);
+int32_t mgmtDropChildTable(SDbObj *pDb, SChildTableObj *pTable);
+int32_t mgmtAlterChildTable(SDbObj *pDb, SAlterTableMsg *pAlter);
+int32_t mgmtModifyChildTableTagValueByName(SChildTableObj *pTable, char *tagName, char *nContent);
+int8_t *mgmtBuildCreateChildTableMsg(SChildTableObj *pTable, SVgObj *pVgroup);
+
+int32_t mgmtGetChildTableMeta(SDbObj *pDb, SChildTableObj *pTable, SMeterMeta *pMeta, bool usePublicIp);
 
 #ifdef __cplusplus
 }

src/mnode/inc/mgmtNormalTable.h

@@ -23,15 +23,19 @@ extern "C" {
 #include <stdint.h>
 #include <stdbool.h>
 #include "mnode.h"
-  
-int32_t          mgmtInitNormalTables();
-void             mgmtCleanUpNormalTables();
-int32_t          mgmtCreateNormalTable(SDbObj *pDb, SCreateTableMsg *pCreate, SVgObj *pVgroup, int32_t sid);
-int32_t          mgmtDropNormalTable(SDbObj *pDb, SNormalTableObj *pTable);
-int32_t          mgmtAddNormalTableColumn(SNormalTableObj *pTable, SSchema schema[], int32_t ncols);
-int32_t          mgmtDropNormalTableColumnByName(SNormalTableObj *pTable, char *colName);
-SNormalTableObj* mgmtGetNormalTable(char *tableId);
-int8_t *         mgmtBuildCreateNormalTableMsg(SNormalTableObj *pTable);
+
+int32_t mgmtInitNormalTables();
+void    mgmtCleanUpNormalTables();
+
+void *  mgmtGetNormalTable(char *tableId);
+
+int32_t mgmtCreateNormalTable(SDbObj *pDb, SCreateTableMsg *pCreate, SVgObj *pVgroup, int32_t sid);
+int32_t mgmtDropNormalTable(SDbObj *pDb, SNormalTableObj *pTable);
+int32_t mgmtAddNormalTableColumn(SNormalTableObj *pTable, SSchema schema[], int32_t ncols);
+int32_t mgmtDropNormalTableColumnByName(SNormalTableObj *pTable, char *colName);
+int8_t *mgmtBuildCreateNormalTableMsg(SNormalTableObj *pTable);
+
+int32_t mgmtGetNormalTableMeta(SDbObj *pDb, SNormalTableObj *pTable, SMeterMeta *pMeta, bool usePublicIp);
 
 #ifdef __cplusplus
 }

src/mnode/inc/mgmtStreamTable.h

@@ -24,13 +24,17 @@ extern "C" {
 #include <stdbool.h>
 #include "mnode.h"
 
-int32_t         mgmtInitStreamTables();
-void            mgmtCleanUpStreamTables();
-int32_t         mgmtCreateStreamTable(SDbObj *pDb, SCreateTableMsg *pCreate, SVgObj *pVgroup, int32_t sid);
-int32_t         mgmtDropStreamTable(SDbObj *pDb, SStreamTableObj *pTable);
-int32_t         mgmtAlterStreamTable(SDbObj *pDb, SAlterTableMsg *pAlter);
-SStreamTableObj* mgmtGetStreamTable(char *tableId);
-int8_t *        mgmtBuildCreateStreamTableMsg(SStreamTableObj *pTable, SVgObj *pVgroup);
+int32_t mgmtInitStreamTables();
+void    mgmtCleanUpStreamTables();
+
+void *  mgmtGetStreamTable(char *tableId);
+
+int32_t mgmtCreateStreamTable(SDbObj *pDb, SCreateTableMsg *pCreate, SVgObj *pVgroup, int32_t sid);
+int32_t mgmtDropStreamTable(SDbObj *pDb, SStreamTableObj *pTable);
+int32_t mgmtAlterStreamTable(SDbObj *pDb, SAlterTableMsg *pAlter);
+int8_t *mgmtBuildCreateStreamTableMsg(SStreamTableObj *pTable, SVgObj *pVgroup);
+
+int32_t mgmtGetStreamTableMeta(SDbObj *pDb, SStreamTableObj *pTable, SMeterMeta *pMeta, bool usePublicIp);
 
 #ifdef __cplusplus
 }

src/mnode/inc/mgmtSuperTable.h

@@ -26,18 +26,26 @@ extern "C" {
 #include "taosdef.h"
 #include "mnode.h"
 
-int32_t         mgmtInitSuperTables();
-void            mgmtCleanUpSuperTables();
-int32_t         mgmtCreateSuperTable(SDbObj *pDb, SCreateTableMsg *pCreate);
-int32_t         mgmtDropSuperTable(SDbObj *pDb, SSuperTableObj *pTable);
-SSuperTableObj* mgmtGetSuperTable(char *tableId);
-int32_t         mgmtFindSuperTableTagIndex(SSuperTableObj *pTable, const char *tagName);
-int32_t         mgmtAddSuperTableTag(SSuperTableObj *pTable, SSchema schema[], int32_t ntags);
-int32_t         mgmtDropSuperTableTag(SSuperTableObj *pTable, char *tagName);
-int32_t         mgmtModifySuperTableTagNameByName(SSuperTableObj *pTable, char *oldTagName, char *newTagName);
-int32_t         mgmtAddSuperTableColumn(SSuperTableObj *pTable, SSchema schema[], int32_t ncols);
-int32_t         mgmtDropSuperTableColumnByName(SSuperTableObj *pTable, char *colName);
-int32_t         mgmtGetTagsLength(SSuperTableObj* pSuperTable, int32_t col);
+int32_t mgmtInitSuperTables();
+void    mgmtCleanUpSuperTables();
+
+void *  mgmtGetSuperTable(char *tableId);
+int32_t mgmtGetShowSuperTableMeta(SMeterMeta *pMeta, SShowObj *pShow, void *pConn);
+int32_t mgmtRetrieveShowSuperTables(SShowObj *pShow, char *data, int32_t rows, void *pConn);
+
+int32_t mgmtCreateSuperTable(SDbObj *pDb, SCreateTableMsg *pCreate);
+int32_t mgmtDropSuperTable(SDbObj *pDb, SSuperTableObj *pTable);
+int32_t mgmtAddSuperTableTag(SSuperTableObj *pTable, SSchema schema[], int32_t ntags);
+int32_t mgmtDropSuperTableTag(SSuperTableObj *pTable, char *tagName);
+int32_t mgmtModifySuperTableTagNameByName(SSuperTableObj *pTable, char *oldTagName, char *newTagName);
+int32_t mgmtAddSuperTableColumn(SSuperTableObj *pTable, SSchema schema[], int32_t ncols);
+int32_t mgmtDropSuperTableColumnByName(SSuperTableObj *pTable, char *colName);
+
+int32_t mgmtGetSuperTableMeta(SDbObj *pDb, SSuperTableObj *pTable, SMeterMeta *pMeta, bool usePublicIp);
+
+int32_t mgmtFindSuperTableTagIndex(SSuperTableObj *pTable, const char *tagName);
+int32_t mgmtSetSchemaFromSuperTable(SSchema *pSchema, SSuperTableObj *pTable);
+int32_t mgmtGetTagsLength(SSuperTableObj *pSuperTable, int32_t col);
 
 #ifdef __cplusplus
 }

src/mnode/inc/mgmtTable.h

@@ -28,20 +28,18 @@ extern "C" {
 int32_t     mgmtInitTables();
 STableInfo* mgmtGetTable(char *tableId);
 STableInfo* mgmtGetTableByPos(uint32_t dnodeIp, int32_t vnode, int32_t sid);
+int32_t     mgmtGetTableMeta(SDbObj *pDb, STableInfo *pTable, SMeterMeta *pMeta, bool usePublicIp);
 
 int32_t  mgmtRetrieveMetricMeta(void *pConn, char **pStart, SSuperTableMetaMsg *pInfo);
 int32_t  mgmtCreateTable(SDbObj *pDb, SCreateTableMsg *pCreate);
 int32_t  mgmtDropTable(SDbObj *pDb, char *meterId, int32_t ignore);
 int32_t  mgmtAlterTable(SDbObj *pDb, SAlterTableMsg *pAlter);
-int32_t  mgmtGetTableMeta(SMeterMeta *pMeta, SShowObj *pShow, void *pConn);
-int32_t  mgmtRetrieveTables(SShowObj *pShow, char *data, int32_t rows, void *pConn);
+int32_t  mgmtGetShowTableMeta(SMeterMeta *pMeta, SShowObj *pShow, void *pConn);
+int32_t  mgmtRetrieveShowTables(SShowObj *pShow, char *data, int32_t rows, void *pConn);
 void     mgmtCleanUpMeters();
 
 void    mgmtAddTableIntoSuperTable(SSuperTableObj *pStable);
 void    mgmtRemoveTableFromSuperTable(SSuperTableObj *pStable);
-int32_t mgmtGetSuperTableMeta(SMeterMeta *pMeta, SShowObj *pShow, void *pConn);
-int32_t mgmtRetrieveSuperTables(SShowObj *pShow, char *data, int32_t rows, void *pConn);
-
 
 
 #ifdef __cplusplus

src/mnode/src/mgmtChildTable.c

@@ -340,8 +340,8 @@ int32_t mgmtDropChildTable(SDbObj *pDb, SChildTableObj *pTable) {
   return 0;
 }
 
-SChildTableObj* mgmtGetChildTable(char *tableId) {
-  return (SChildTableObj *)sdbGetRow(tsChildTableSdb, tableId);
+void* mgmtGetChildTable(char *tableId) {
+  return sdbGetRow(tsChildTableSdb, tableId);
 }
 
 int32_t mgmtModifyChildTableTagValueByName(SChildTableObj *pTable, char *tagName, char *nContent) {
@@ -392,3 +392,30 @@ int32_t mgmtModifyChildTableTagValueByName(SChildTableObj *pTable, char *tagName
   return 0;
 }
 
+int32_t mgmtGetChildTableMeta(SDbObj *pDb, SChildTableObj *pTable, SMeterMeta *pMeta, bool usePublicIp) {
+  pMeta->uid          = htobe64(pTable->uid);
+  pMeta->sid          = htonl(pTable->sid);
+  pMeta->vgid         = htonl(pTable->vgId);
+  pMeta->sversion     = htons(pTable->superTable->sversion);
+  pMeta->precision    = pDb->cfg.precision;
+  pMeta->numOfTags    = pTable->superTable->numOfTags;
+  pMeta->numOfColumns = htons(pTable->superTable->numOfColumns);
+  pMeta->tableType    = pTable->type;
+  pMeta->contLen      = sizeof(SMeterMeta) + mgmtSetSchemaFromSuperTable(pMeta->schema, pTable->superTable);
+
+  SVgObj *pVgroup = mgmtGetVgroup(pTable->vgId);
+  if (pVgroup == NULL) {
+    return TSDB_CODE_INVALID_TABLE;
+  }
+  for (int32_t i = 0; i < TSDB_VNODES_SUPPORT; ++i) {
+    if (usePublicIp) {
+      pMeta->vpeerDesc[i].ip    = pVgroup->vnodeGid[i].publicIp;
+      pMeta->vpeerDesc[i].vnode = htonl(pVgroup->vnodeGid[i].vnode);
+    } else {
+      pMeta->vpeerDesc[i].ip    = pVgroup->vnodeGid[i].ip;
+      pMeta->vpeerDesc[i].vnode = htonl(pVgroup->vnodeGid[i].vnode);
+    }
+  }
+
+  return TSDB_CODE_SUCCESS;
+}

src/mnode/src/mgmtNormalTable.c

@@ -357,8 +357,8 @@ int32_t mgmtDropNormalTable(SDbObj *pDb, SNormalTableObj *pTable) {
   return 0;
 }
 
-SNormalTableObj* mgmtGetNormalTable(char *tableId) {
-  return (SNormalTableObj *)sdbGetRow(tsNormalTableSdb, tableId);
+void* mgmtGetNormalTable(char *tableId) {
+  return sdbGetRow(tsNormalTableSdb, tableId);
 }
 
 static int32_t mgmtFindNormalTableColumnIndex(SNormalTableObj *pTable, char *colName) {
@@ -442,3 +442,45 @@ int32_t mgmtDropNormalTableColumnByName(SNormalTableObj *pTable, char *colName)
 
   return TSDB_CODE_SUCCESS;
 }
+
+static int32_t mgmtSetSchemaFromNormalTable(SSchema *pSchema, SNormalTableObj *pTable) {
+  int32_t numOfCols = pTable->numOfColumns;
+  for (int32_t i = 0; i < numOfCols; ++i) {
+    strcpy(pSchema->name, pTable->schema[i].name);
+    pSchema->type  = pTable->schema[i].type;
+    pSchema->bytes = htons(pTable->schema[i].bytes);
+    pSchema->colId = htons(pTable->schema[i].colId);
+    pSchema++;
+  }
+
+  return numOfCols * sizeof(SSchema);
+}
+
+int32_t mgmtGetNormalTableMeta(SDbObj *pDb, SNormalTableObj *pTable, SMeterMeta *pMeta, bool usePublicIp) {
+  pMeta->uid          = htobe64(pTable->uid);
+  pMeta->sid          = htonl(pTable->sid);
+  pMeta->vgid         = htonl(pTable->vgId);
+  pMeta->sversion     = htons(pTable->sversion);
+  pMeta->precision    = pDb->cfg.precision;
+  pMeta->numOfTags    = 0;
+  pMeta->numOfColumns = htons(pTable->numOfColumns);
+  pMeta->tableType    = pTable->type;
+  pMeta->contLen      = sizeof(SMeterMeta) + mgmtSetSchemaFromNormalTable(pMeta->schema, pTable);
+
+  SVgObj *pVgroup = mgmtGetVgroup(pTable->vgId);
+  if (pVgroup == NULL) {
+    return TSDB_CODE_INVALID_TABLE;
+  }
+  for (int32_t i = 0; i < TSDB_VNODES_SUPPORT; ++i) {
+    if (usePublicIp) {
+      pMeta->vpeerDesc[i].ip    = pVgroup->vnodeGid[i].publicIp;
+      pMeta->vpeerDesc[i].vnode = htonl(pVgroup->vnodeGid[i].vnode);
+    } else {
+      pMeta->vpeerDesc[i].ip    = pVgroup->vnodeGid[i].ip;
+      pMeta->vpeerDesc[i].vnode = htonl(pVgroup->vnodeGid[i].vnode);
+    }
+  }
+
+  return TSDB_CODE_SUCCESS;
+}
+

src/mnode/src/mgmtStreamTable.c

@@ -379,6 +379,47 @@ int32_t mgmtDropStreamTable(SDbObj *pDb, SStreamTableObj *pTable) {
   return 0;
 }
 
-SStreamTableObj* mgmtGetStreamTable(char *tableId) {
-  return (SStreamTableObj *)sdbGetRow(tsStreamTableSdb, tableId);
-}
+void* mgmtGetStreamTable(char *tableId) {
+  return sdbGetRow(tsStreamTableSdb, tableId);
+}
\ No newline at end of file
+
+static int32_t mgmtSetSchemaFromStreamTable(SSchema *pSchema, SStreamTableObj *pTable) {
+  int32_t numOfCols = pTable->numOfColumns;
+  for (int32_t i = 0; i < numOfCols; ++i) {
+    strcpy(pSchema->name, pTable->schema[i].name);
+    pSchema->type  = pTable->schema[i].type;
+    pSchema->bytes = htons(pTable->schema[i].bytes);
+    pSchema->colId = htons(pTable->schema[i].colId);
+    pSchema++;
+  }
+
+  return numOfCols * sizeof(SSchema);
+}
+
+int32_t mgmtGetStreamTableMeta(SDbObj *pDb, SStreamTableObj *pTable, SMeterMeta *pMeta, bool usePublicIp) {
+  pMeta->uid          = htobe64(pTable->uid);
+  pMeta->sid          = htonl(pTable->sid);
+  pMeta->vgid         = htonl(pTable->vgId);
+  pMeta->sversion     = htons(pTable->sversion);
+  pMeta->precision    = pDb->cfg.precision;
+  pMeta->numOfTags    = 0;
+  pMeta->numOfColumns = htons(pTable->numOfColumns);
+  pMeta->tableType    = pTable->type;
+  pMeta->contLen      = sizeof(SMeterMeta) + mgmtSetSchemaFromStreamTable(pMeta->schema, pTable);
+
+  SVgObj *pVgroup = mgmtGetVgroup(pTable->vgId);
+  if (pVgroup == NULL) {
+    return TSDB_CODE_INVALID_TABLE;
+  }
+  for (int32_t i = 0; i < TSDB_VNODES_SUPPORT; ++i) {
+    if (usePublicIp) {
+      pMeta->vpeerDesc[i].ip    = pVgroup->vnodeGid[i].publicIp;
+      pMeta->vpeerDesc[i].vnode = htonl(pVgroup->vnodeGid[i].vnode);
+    } else {
+      pMeta->vpeerDesc[i].ip    = pVgroup->vnodeGid[i].ip;
+      pMeta->vpeerDesc[i].vnode = htonl(pVgroup->vnodeGid[i].vnode);
+    }
+  }
+
+  return TSDB_CODE_SUCCESS;
+}

src/mnode/src/mgmtSuperTable.c

@@ -235,8 +235,8 @@ int32_t mgmtDropSuperTable(SDbObj *pDb, SSuperTableObj *pSuperTable) {
   return sdbDeleteRow(tsSuperTableSdb, pSuperTable);
 }
 
-SSuperTableObj* mgmtGetSuperTable(char *tableId) {
-  return (SSuperTableObj *)sdbGetRow(tsSuperTableSdb, tableId);
+void* mgmtGetSuperTable(char *tableId) {
+  return sdbGetRow(tsSuperTableSdb, tableId);
 }
 
 int32_t mgmtFindSuperTableTagIndex(SSuperTableObj *pStable, const char *tagName) {
@@ -457,7 +457,7 @@ int32_t mgmtDropSuperTableColumnByName(SSuperTableObj *pStable, char *colName) {
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t mgmtGetSuperTableMeta(SMeterMeta *pMeta, SShowObj *pShow, void *pConn) {
+int32_t mgmtGetShowSuperTableMeta(SMeterMeta *pMeta, SShowObj *pShow, void *pConn) {
 //  int32_t cols = 0;
 //
 //  SDbObj *pDb = NULL;
@@ -509,7 +509,7 @@ int32_t mgmtGetSuperTableMeta(SMeterMeta *pMeta, SShowObj *pShow, void *pConn) {
   return 0;
 }
 
-int32_t mgmtRetrieveSuperTables(SShowObj *pShow, char *data, int32_t rows, void *pConn) {
+int32_t mgmtRetrieveShowSuperTables(SShowObj *pShow, char *data, int32_t rows, void *pConn) {
   int32_t         numOfRows = 0;
 //  char *          pWrite;
 //  int32_t         cols = 0;
@@ -602,3 +602,45 @@ int32_t mgmtGetTagsLength(SSuperTableObj* pSuperTable, int32_t col) {  // length
 
   return len;
 }
+
+int32_t mgmtSetSchemaFromSuperTable(SSchema *pSchema, SSuperTableObj *pTable) {
+  int32_t numOfCols = pTable->numOfColumns + pTable->numOfTags;
+  for (int32_t i = 0; i < numOfCols; ++i) {
+    strcpy(pSchema->name, pTable->schema[i].name);
+    pSchema->type  = pTable->schema[i].type;
+    pSchema->bytes = htons(pTable->schema[i].bytes);
+    pSchema->colId = htons(pTable->schema[i].colId);
+    pSchema++;
+  }
+
+  return (pTable->numOfColumns + pTable->numOfTags) * sizeof(SSchema);
+}
+
+int32_t mgmtGetSuperTableMeta(SDbObj *pDb, SSuperTableObj *pTable, SMeterMeta *pMeta, bool usePublicIp) {
+  pMeta->uid          = htobe64(pTable->uid);
+  pMeta->sid          = htonl(pTable->sid);
+  pMeta->vgid         = htonl(pTable->vgId);
+  pMeta->sversion     = htons(pTable->sversion);
+  pMeta->precision    = pDb->cfg.precision;
+  pMeta->numOfTags    = pTable->numOfTags;
+  pMeta->numOfColumns = htons(pTable->numOfColumns);
+  pMeta->tableType    = pTable->type;
+  pMeta->contLen      = sizeof(SMeterMeta) + mgmtSetSchemaFromSuperTable(pMeta->schema, pTable);
+
+  SVgObj *pVgroup = mgmtGetVgroup(pTable->vgId);
+  if (pVgroup == NULL) {
+    return TSDB_CODE_INVALID_TABLE;
+  }
+  for (int32_t i = 0; i < TSDB_VNODES_SUPPORT; ++i) {
+    if (usePublicIp) {
+      pMeta->vpeerDesc[i].ip    = pVgroup->vnodeGid[i].publicIp;
+      pMeta->vpeerDesc[i].vnode = htonl(pVgroup->vnodeGid[i].vnode);
+    } else {
+      pMeta->vpeerDesc[i].ip    = pVgroup->vnodeGid[i].ip;
+      pMeta->vpeerDesc[i].vnode = htonl(pVgroup->vnodeGid[i].vnode);
+    }
+  }
+
+  return TSDB_CODE_SUCCESS;
+}
+

src/mnode/src/mgmtTable.c

@@ -99,6 +99,24 @@ STableInfo* mgmtGetTableByPos(uint32_t dnodeIp, int32_t vnode, int32_t sid) {
   return NULL;
 }
 
+int32_t mgmtGetTableMeta(SDbObj *pDb, STableInfo *pTable, SMeterMeta *pMeta, bool usePublicIp) {
+  if (pTable->type == TSDB_TABLE_TYPE_CHILD_TABLE) {
+    mgmtGetChildTableMeta(pDb, (SChildTableObj *) pTable, pMeta, usePublicIp);
+  } else if (pTable->type == TSDB_TABLE_TYPE_STREAM_TABLE) {
+    mgmtGetStreamTableMeta(pDb, (SStreamTableObj *) pTable, pMeta, usePublicIp);
+  } else if (pTable->type == TSDB_TABLE_TYPE_NORMAL_TABLE) {
+    mgmtGetNormalTableMeta(pDb, (SNormalTableObj *) pTable, pMeta, usePublicIp);
+  } else if (pTable->type == TSDB_TABLE_TYPE_SUPER_TABLE) {
+    mgmtGetSuperTableMeta(pDb, (SSuperTableObj *) pTable, pMeta, usePublicIp);
+  } else {
+    mTrace("%s, uid:%" PRIu64 " table meta retrieve failed, invalid type", pTable->tableId, pTable->uid);
+    return TSDB_CODE_INVALID_TABLE;
+  }
+
+  mTrace("%s, uid:%" PRIu64 " table meta is retrieved", pTable->tableId, pTable->uid);
+  return TSDB_CODE_SUCCESS;
+}
+
 int32_t mgmtCreateTable(SDbObj *pDb, SCreateTableMsg *pCreate) {
   STableInfo *pTable = mgmtGetTable(pCreate->tableId);
   if (pTable != NULL) {
@@ -229,7 +247,7 @@ void mgmtCleanUpMeters() {
   mgmtCleanUpSuperTables();
 }
 
-int32_t mgmtGetTableMeta(SMeterMeta *pMeta, SShowObj *pShow, void *pConn) {
+int32_t mgmtGetShowTableMeta(SMeterMeta *pMeta, SShowObj *pShow, void *pConn) {
 //  int32_t cols = 0;
 //
 //  SDbObj *pDb = NULL;
@@ -292,7 +310,7 @@ static void mgmtVacuumResult(char *data, int32_t numOfCols, int32_t rows, int32_
   }
 }
 
-int32_t mgmtRetrieveTables(SShowObj *pShow, char *data, int32_t rows, void *pConn) {
+int32_t mgmtRetrieveShowTables(SShowObj *pShow, char *data, int32_t rows, void *pConn) {
   int32_t numOfRows  = 0;
 //  int32_t numOfRead  = 0;
 //  int32_t cols       = 0;