#4897

Committed 25 Dec 2025 10:17AM UTC coverage: 65.717% (-0.2%) from 65.929%

Build # #4897

Build Type

push

travis-ci

Committed by

web-flow

Commit Message

fix: [6622889291] Fix invalid rowSize. (#34043)

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186011 of 283047 relevant lines covered (65.72%)

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82.05

/source/dnode/mnode/impl/src/mndShow.c

/*
 * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
 *
 * This program is free software: you can use, redistribute, and/or modify
 * it under the terms of the GNU Affero General Public License, version 3
 * or later ("AGPL"), as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#define _DEFAULT_SOURCE
#include "mndShow.h"
#include "mndPrivilege.h"
#include "mndUser.h"
#include "systable.h"

#define SHOW_STEP_SIZE            100
#define SHOW_COLS_STEP_SIZE       4096
#define SHOW_PRIVILEGES_STEP_SIZE 2048

static SShowObj *mndCreateShowObj(SMnode *pMnode, SRetrieveTableReq *pReq);
static void      mndFreeShowObj(SShowObj *pShow);
static SShowObj *mndAcquireShowObj(SMnode *pMnode, int64_t showId);
static void      mndReleaseShowObj(SShowObj *pShow, bool forceRemove);
static bool      mndCheckRetrieveFinished(SShowObj *pShow);
static int32_t   mndProcessRetrieveSysTableReq(SRpcMsg *pReq);

int32_t mndInitShow(SMnode *pMnode) {
  int32_t    code = 0;
  SShowMgmt *pMgmt = &pMnode->showMgmt;

  pMgmt->cache = taosCacheInit(TSDB_DATA_TYPE_INT, 5000, true, (__cache_free_fn_t)mndFreeShowObj, "show");
  if (pMgmt->cache == NULL) {
    code = TSDB_CODE_OUT_OF_MEMORY;
    mError("failed to alloc show cache since %s", tstrerror(code));
    TAOS_RETURN(code);
  }

  mndSetMsgHandle(pMnode, TDMT_MND_SYSTABLE_RETRIEVE, mndProcessRetrieveSysTableReq);
  TAOS_RETURN(code);
}

void mndCleanupShow(SMnode *pMnode) {
  SShowMgmt *pMgmt = &pMnode->showMgmt;
  if (pMgmt->cache != NULL) {
    taosCacheCleanup(pMgmt->cache);
    pMgmt->cache = NULL;
  }
}

static int32_t convertToRetrieveType(char *name, int32_t len) {
  int32_t type = -1;

  if (strncasecmp(name, TSDB_INS_TABLE_DNODES, len) == 0) {
    type = TSDB_MGMT_TABLE_DNODE;
  } else if (strncasecmp(name, TSDB_INS_TABLE_MNODES, len) == 0) {
    type = TSDB_MGMT_TABLE_MNODE;
    /*
      } else if (strncasecmp(name, TSDB_INS_TABLE_MODULES, len) == 0) {
        type = TSDB_MGMT_TABLE_MODULE;
    */
  } else if (strncasecmp(name, TSDB_INS_TABLE_QNODES, len) == 0) {
    type = TSDB_MGMT_TABLE_QNODE;
  } else if (strncasecmp(name, TSDB_INS_TABLE_SNODES, len) == 0) {
    type = TSDB_MGMT_TABLE_SNODE;
  } else if (strncasecmp(name, TSDB_INS_TABLE_ANODES, len) == 0) {
    type = TSDB_MGMT_TABLE_ANODE;
  } else if (strncasecmp(name, TSDB_INS_TABLE_ANODES_FULL, len) == 0) {
    type = TSDB_MGMT_TABLE_ANODE_FULL;
  } else if (strncasecmp(name, TSDB_INS_TABLE_BNODES, len) == 0) {
    type = TSDB_MGMT_TABLE_BNODE;
  } else if (strncasecmp(name, TSDB_INS_TABLE_ARBGROUPS, len) == 0) {
    type = TSDB_MGMT_TABLE_ARBGROUP;
  } else if (strncasecmp(name, TSDB_INS_TABLE_CLUSTER, len) == 0) {
    type = TSDB_MGMT_TABLE_CLUSTER;
  } else if (strncasecmp(name, TSDB_INS_TABLE_DATABASES, len) == 0) {
    type = TSDB_MGMT_TABLE_DB;
  } else if (strncasecmp(name, TSDB_INS_TABLE_FUNCTIONS, len) == 0) {
    type = TSDB_MGMT_TABLE_FUNC;
  } else if (strncasecmp(name, TSDB_INS_TABLE_INDEXES, len) == 0) {
    type = TSDB_MGMT_TABLE_INDEX;
  } else if (strncasecmp(name, TSDB_INS_TABLE_STABLES, len) == 0) {
    type = TSDB_MGMT_TABLE_STB;
  } else if (strncasecmp(name, TSDB_INS_TABLE_TABLES, len) == 0) {
    type = TSDB_MGMT_TABLE_TABLE;
  } else if (strncasecmp(name, TSDB_INS_TABLE_TAGS, len) == 0) {
    type = TSDB_MGMT_TABLE_TAG;
  } else if (strncasecmp(name, TSDB_INS_TABLE_COLS, len) == 0) {
    type = TSDB_MGMT_TABLE_COL;
  } else if (strncasecmp(name, TSDB_INS_TABLE_TABLE_DISTRIBUTED, len) == 0) {
    //    type = TSDB_MGMT_TABLE_DIST;
  } else if (strncasecmp(name, TSDB_INS_TABLE_USERS, len) == 0) {
    type = TSDB_MGMT_TABLE_USER;
  } else if (strncasecmp(name, TSDB_INS_TABLE_USERS_FULL, len) == 0) {
    type = TSDB_MGMT_TABLE_USER_FULL;
  } else if (strncasecmp(name, TSDB_INS_TABLE_TOKENS, len) == 0) {
    type = TSDB_MGMT_TABLE_TOKEN;
  } else if (strncasecmp(name, TSDB_INS_TABLE_LICENCES, len) == 0) {
    type = TSDB_MGMT_TABLE_GRANTS;
  } else if (strncasecmp(name, TSDB_INS_TABLE_VGROUPS, len) == 0) {
    type = TSDB_MGMT_TABLE_VGROUP;
  } else if (strncasecmp(name, TSDB_PERFS_TABLE_CONSUMERS, len) == 0) {
    type = TSDB_MGMT_TABLE_CONSUMERS;
  } else if (strncasecmp(name, TSDB_INS_TABLE_SUBSCRIPTIONS, len) == 0) {
    type = TSDB_MGMT_TABLE_SUBSCRIPTIONS;
  } else if (strncasecmp(name, TSDB_PERFS_TABLE_TRANS, len) == 0) {
    type = TSDB_MGMT_TABLE_TRANS;
  } else if (strncasecmp(name, TSDB_PERFS_TABLE_SMAS, len) == 0) {
    type = TSDB_MGMT_TABLE_SMAS;
  } else if (strncasecmp(name, TSDB_INS_TABLE_CONFIGS, len) == 0) {
    type = TSDB_MGMT_TABLE_CONFIGS;
  } else if (strncasecmp(name, TSDB_PERFS_TABLE_CONNECTIONS, len) == 0) {
    type = TSDB_MGMT_TABLE_CONNS;
  } else if (strncasecmp(name, TSDB_PERFS_TABLE_QUERIES, len) == 0) {
    type = TSDB_MGMT_TABLE_QUERIES;
  } else if (strncasecmp(name, TSDB_INS_TABLE_VNODES, len) == 0) {
    type = TSDB_MGMT_TABLE_VNODES;
  } else if (strncasecmp(name, TSDB_INS_TABLE_TOPICS, len) == 0) {
    type = TSDB_MGMT_TABLE_TOPICS;
  } else if (strncasecmp(name, TSDB_INS_TABLE_STREAMS, len) == 0) {
    type = TSDB_MGMT_TABLE_STREAMS;
  } else if (strncasecmp(name, TSDB_PERFS_TABLE_APPS, len) == 0) {
    type = TSDB_MGMT_TABLE_APPS;
  } else if (strncasecmp(name, TSDB_PERFS_TABLE_INSTANCES, len) == 0) {
    type = TSDB_MGMT_TABLE_INSTANCE;
  } else if (strncasecmp(name, TSDB_INS_TABLE_STREAM_TASKS, len) == 0) {
    type = TSDB_MGMT_TABLE_STREAM_TASKS;
  } else if (strncasecmp(name, TSDB_INS_TABLE_STREAM_RECALCULATES, len) == 0) {
    type = TSDB_MGMT_TABLE_STREAM_RECALCULATES;
  } else if (strncasecmp(name, TSDB_INS_TABLE_USER_PRIVILEGES, len) == 0) {
    type = TSDB_MGMT_TABLE_PRIVILEGES;
  } else if (strncasecmp(name, TSDB_INS_TABLE_VIEWS, len) == 0) {
    type = TSDB_MGMT_TABLE_VIEWS;
  } else if (strncasecmp(name, TSDB_INS_TABLE_COMPACTS, len) == 0) {
    type = TSDB_MGMT_TABLE_COMPACT;
  } else if (strncasecmp(name, TSDB_INS_TABLE_ENCRYPT_ALGORITHMS, len) == 0) {
    type = TSDB_MGMT_TABLE_ENCRYPT_ALGORITHMS;
  } else if (strncasecmp(name, TSDB_INS_TABLE_SCANS, len) == 0) {
    type = TSDB_MGMT_TABLE_SCAN;
  } else if (strncasecmp(name, TSDB_INS_TABLE_COMPACT_DETAILS, len) == 0) {
    type = TSDB_MGMT_TABLE_COMPACT_DETAIL;
  } else if (strncasecmp(name, TSDB_INS_TABLE_SCAN_DETAILS, len) == 0) {
    type = TSDB_MGMT_TABLE_SCAN_DETAIL;
  } else if (strncasecmp(name, TSDB_INS_TABLE_SSMIGRATES, len) == 0) {
    type = TSDB_MGMT_TABLE_SSMIGRATE;
  } else if (strncasecmp(name, TSDB_INS_TABLE_TRANSACTION_DETAILS, len) == 0) {
    type = TSDB_MGMT_TABLE_TRANSACTION_DETAIL;
  } else if (strncasecmp(name, TSDB_INS_TABLE_GRANTS_FULL, len) == 0) {
    type = TSDB_MGMT_TABLE_GRANTS_FULL;
  } else if (strncasecmp(name, TSDB_INS_TABLE_GRANTS_LOGS, len) == 0) {
    type = TSDB_MGMT_TABLE_GRANTS_LOGS;
  } else if (strncasecmp(name, TSDB_INS_TABLE_MACHINES, len) == 0) {
    type = TSDB_MGMT_TABLE_MACHINES;
  } else if (strncasecmp(name, TSDB_INS_TABLE_ENCRYPTIONS, len) == 0) {
    type = TSDB_MGMT_TABLE_ENCRYPTIONS;
  } else if (strncasecmp(name, TSDB_INS_TABLE_TSMAS, len) == 0) {
    type = TSDB_MGMT_TABLE_TSMAS;
  } else if (strncasecmp(name, TSDB_INS_DISK_USAGE, len) == 0) {
    type = TSDB_MGMT_TABLE_USAGE;
  } else if (strncasecmp(name, TSDB_INS_TABLE_FILESETS, len) == 0) {
    type = TSDB_MGMT_TABLE_FILESETS;
  } else if (strncasecmp(name, TSDB_INS_TABLE_VC_COLS, len) == 0) {
    type = TSDB_MGMT_TABLE_VC_COL;
  } else if (strncasecmp(name, TSDB_INS_TABLE_MOUNTS, len) == 0) {
    type = TSDB_MGMT_TABLE_MOUNT;
  } else if (strncasecmp(name, TSDB_INS_TABLE_RSMAS, len) == 0) {
    type = TSDB_MGMT_TABLE_RSMA;
  } else if (strncasecmp(name, TSDB_INS_TABLE_RETENTIONS, len) == 0) {
    type = TSDB_MGMT_TABLE_RETENTION;
  } else if (strncasecmp(name, TSDB_INS_TABLE_RETENTION_DETAILS, len) == 0) {
    type = TSDB_MGMT_TABLE_RETENTION_DETAIL;
  } else {
    mError("invalid show name:%s len:%d", name, len);
  }

  return type;
}

static SShowObj *mndCreateShowObj(SMnode *pMnode, SRetrieveTableReq *pReq) {
  SShowMgmt *pMgmt = &pMnode->showMgmt;

  int64_t showId = atomic_add_fetch_64(&pMgmt->showId, 1);
  if (showId == 0) atomic_add_fetch_64(&pMgmt->showId, 1);

  int32_t size = sizeof(SShowObj);

  SShowObj showObj = {0};

  showObj.id = showId;
  showObj.pMnode = pMnode;
  showObj.type = convertToRetrieveType(pReq->tb, tListLen(pReq->tb));
  (void)memcpy(showObj.db, pReq->db, TSDB_DB_FNAME_LEN);
  tstrncpy(showObj.filterTb, pReq->filterTb, TSDB_TABLE_NAME_LEN);

  int32_t   keepTime = tsShellActivityTimer * 6 * 1000;
  SShowObj *pShow = taosCachePut(pMgmt->cache, &showId, sizeof(int64_t), &showObj, size, keepTime);
  if (pShow == NULL) {
    terrno = TSDB_CODE_OUT_OF_MEMORY;
    mError("show:0x%" PRIx64 ", failed to put into cache since %s", showId, terrstr());
    return NULL;
  }

  mTrace("show:0x%" PRIx64 ", is created, data:%p", showId, pShow);
  return pShow;
}

static void mndFreeShowObj(SShowObj *pShow) {
  SMnode    *pMnode = pShow->pMnode;
  SShowMgmt *pMgmt = &pMnode->showMgmt;

  ShowFreeIterFp freeFp = pMgmt->freeIterFps[pShow->type];
  if (freeFp != NULL) {
    if (pShow->pIter != NULL) {
      mTrace("show:0x%" PRIx64 ", is destroying, data:%p, pIter:%p, ", pShow->id, pShow, pShow->pIter);

      (*freeFp)(pMnode, pShow->pIter);

      pShow->pIter = NULL;
    }
  }

  mTrace("show:0x%" PRIx64 ", is destroyed, data:%p", pShow->id, pShow);
}

static SShowObj *mndAcquireShowObj(SMnode *pMnode, int64_t showId) {
  SShowMgmt *pMgmt = &pMnode->showMgmt;

  SShowObj *pShow = taosCacheAcquireByKey(pMgmt->cache, &showId, sizeof(showId));
  if (pShow == NULL) {
    mError("show:0x%" PRIx64 ", already destroyed", showId);
    return NULL;
  }

  mTrace("show:0x%" PRIx64 ", acquired from cache, data:%p", pShow->id, pShow);
  return pShow;
}

static void mndReleaseShowObj(SShowObj *pShow, bool forceRemove) {
  if (pShow == NULL) return;
  mTrace("show:0x%" PRIx64 ", released from cache, data:%p force:%d", pShow->id, pShow, forceRemove);

  // A bug in tcache.c
  forceRemove = 0;

  SMnode    *pMnode = pShow->pMnode;
  SShowMgmt *pMgmt = &pMnode->showMgmt;
  taosCacheRelease(pMgmt->cache, (void **)(&pShow), forceRemove);
}

static int32_t mndProcessRetrieveSysTableReq(SRpcMsg *pReq) {
  int32_t    code = 0;
  SMnode    *pMnode = pReq->info.node;
  SShowMgmt *pMgmt = &pMnode->showMgmt;
  SShowObj  *pShow = NULL;
  int32_t    rowsToRead = SHOW_STEP_SIZE;
  int32_t    size = 0;
  int32_t    rowsRead = 0;
  mDebug("mndProcessRetrieveSysTableReq start");
  SRetrieveTableReq retrieveReq = {0};
  TAOS_CHECK_RETURN(tDeserializeSRetrieveTableReq(pReq->pCont, pReq->contLen, &retrieveReq));

  mDebug("process to retrieve systable req db:%s, tb:%s, compactId:%" PRId64, retrieveReq.db, retrieveReq.tb,
         retrieveReq.compactId);

  if (retrieveReq.showId == 0) {
    STableMetaRsp *pMeta = taosHashGet(pMnode->infosMeta, retrieveReq.tb, strlen(retrieveReq.tb));
    if (pMeta == NULL) {
      pMeta = taosHashGet(pMnode->perfsMeta, retrieveReq.tb, strlen(retrieveReq.tb));
      if (pMeta == NULL) {
        code = TSDB_CODE_PAR_TABLE_NOT_EXIST;
        mError("failed to process show-retrieve req:%p since %s", pShow, tstrerror(code));
        TAOS_RETURN(code);
      }
    }

    pShow = mndCreateShowObj(pMnode, &retrieveReq);
    if (pShow == NULL) {
      code = terrno;
      mError("failed to process show-meta req since %s", tstrerror(code));
      TAOS_RETURN(code);
    }

    pShow->pMeta = pMeta;
    pShow->numOfColumns = pShow->pMeta->numOfColumns;
  } else {
    pShow = mndAcquireShowObj(pMnode, retrieveReq.showId);
    if (pShow == NULL) {
      code = TSDB_CODE_MND_INVALID_SHOWOBJ;
      mError("failed to process show-retrieve req:%p since %s", pShow, tstrerror(code));
      TAOS_RETURN(code);
    }
  }

  if (pShow->type == TSDB_MGMT_TABLE_COL) {  // expend capacity for ins_columns
    rowsToRead = SHOW_COLS_STEP_SIZE;
  } else if (pShow->type == TSDB_MGMT_TABLE_PRIVILEGES) {
    rowsToRead = SHOW_PRIVILEGES_STEP_SIZE;
  }
  ShowRetrieveFp retrieveFp = pMgmt->retrieveFps[pShow->type];
  if (retrieveFp == NULL) {
    mndReleaseShowObj(pShow, false);
    code = TSDB_CODE_MSG_NOT_PROCESSED;
    mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(code));
    TAOS_RETURN(code);
  }

  mDebug("show:0x%" PRIx64 ", start retrieve data, type:%d", pShow->id, pShow->type);
  if (retrieveReq.user[0] != 0) {
    (void)memcpy(pReq->info.conn.user, retrieveReq.user, TSDB_USER_LEN);
  } else {
    (void)memcpy(pReq->info.conn.user, TSDB_DEFAULT_USER, strlen(TSDB_DEFAULT_USER) + 1);
  }
  code = -1;
  if (retrieveReq.db[0] &&
      (code = mndCheckShowPrivilege(pMnode, RPC_MSG_USER(pReq), RPC_MSG_TOKEN(pReq), pShow->type, retrieveReq.db)) != 0) {
    TAOS_RETURN(code);
  }
  if (pShow->type == TSDB_MGMT_TABLE_USER_FULL) {
    if (strcmp(RPC_MSG_USER(pReq), "root") != 0) {
      mError("The operation is not permitted, user:%s, pShow->type:%d", RPC_MSG_USER(pReq), pShow->type);
      code = TSDB_CODE_MND_NO_RIGHTS;
      TAOS_RETURN(code);
    }
  }

  int32_t numOfCols = pShow->pMeta->numOfColumns;

  SSDataBlock *pBlock = NULL;
  code = createDataBlock(&pBlock);
  if (code) {
    TAOS_RETURN(code);
  }

  for (int32_t i = 0; i < numOfCols; ++i) {
    SColumnInfoData idata = {0};

    SSchema *p = &pShow->pMeta->pSchemas[i];

    idata.info.bytes = p->bytes;
    idata.info.type = p->type;
    idata.info.colId = p->colId;
    TAOS_CHECK_RETURN(blockDataAppendColInfo(pBlock, &idata));
  }

  TAOS_CHECK_RETURN(blockDataEnsureCapacity(pBlock, rowsToRead));

  if (mndCheckRetrieveFinished(pShow)) {
    mDebug("show:0x%" PRIx64 ", read finished, numOfRows:%d", pShow->id, pShow->numOfRows);
    rowsRead = 0;
  } else {
    rowsRead = (*retrieveFp)(pReq, pShow, pBlock, rowsToRead);
    if (rowsRead < 0) {
      code = rowsRead;
      mDebug("show:0x%" PRIx64 ", retrieve completed", pShow->id);
      mndReleaseShowObj(pShow, true);
      blockDataDestroy(pBlock);
      TAOS_RETURN(code);
    }

    pBlock->info.rows = rowsRead;
    mDebug("show:0x%" PRIx64 ", stop retrieve data, rowsRead:%d numOfRows:%d", pShow->id, rowsRead, pShow->numOfRows);
  }

  size_t dataEncodeBufSize = blockGetEncodeSize(pBlock);
  size = sizeof(SRetrieveMetaTableRsp) + sizeof(int32_t) + sizeof(SSysTableSchema) * pShow->pMeta->numOfColumns +
         dataEncodeBufSize;

  SRetrieveMetaTableRsp *pRsp = rpcMallocCont(size);
  if (pRsp == NULL) {
    mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(terrno));
    code = terrno;
    goto _exit;
  }

  pRsp->handle = htobe64(pShow->id);

  if (rowsRead > 0) {
    char    *pStart = pRsp->data;
    SSchema *ps = pShow->pMeta->pSchemas;

    *(int32_t *)pStart = htonl(pShow->pMeta->numOfColumns);
    pStart += sizeof(int32_t);  // number of columns

    for (int32_t i = 0; i < pShow->pMeta->numOfColumns; ++i) {
      SSysTableSchema *pSchema = (SSysTableSchema *)pStart;
      pSchema->bytes = htonl(ps[i].bytes);
      pSchema->colId = htons(ps[i].colId);
      pSchema->type = ps[i].type;

      pStart += sizeof(SSysTableSchema);
    }

    int32_t len = blockEncode(pBlock, pStart, dataEncodeBufSize, pShow->pMeta->numOfColumns);
    if (len < 0) {
      mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(terrno));
      code = terrno;
      return code;
    }
  }

  pRsp->numOfRows = htonl(rowsRead);
  pRsp->precision = TSDB_TIME_PRECISION_MILLI;  // millisecond time precision
  pReq->info.rsp = pRsp;
  pReq->info.rspLen = size;

  if (rowsRead == 0 || mndCheckRetrieveFinished(pShow)) {
    pRsp->completed = 1;
    mDebug("show:0x%" PRIx64 ", retrieve completed", pShow->id);
    mndReleaseShowObj(pShow, true);
  } else {
    mDebug("show:0x%" PRIx64 ", retrieve not completed yet", pShow->id);
    mndReleaseShowObj(pShow, false);
  }

  blockDataDestroy(pBlock);
  return TSDB_CODE_SUCCESS;
_exit:
  mndReleaseShowObj(pShow, false);
  blockDataDestroy(pBlock);
  if (pRsp) {
    rpcFreeCont(pRsp);
  }
  return code;
}

static bool mndCheckRetrieveFinished(SShowObj *pShow) {
  if (pShow->pIter == NULL && pShow->numOfRows != 0) {
    return true;
  }
  return false;
}

void mndAddShowRetrieveHandle(SMnode *pMnode, EShowType showType, ShowRetrieveFp fp) {
  SShowMgmt *pMgmt = &pMnode->showMgmt;
  pMgmt->retrieveFps[showType] = fp;
}

void mndAddShowFreeIterHandle(SMnode *pMnode, EShowType showType, ShowFreeIterFp fp) {
  SShowMgmt *pMgmt = &pMnode->showMgmt;
  pMgmt->freeIterFps[showType] = fp;
}

1	/*
2	* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
3	*
4	* This program is free software: you can use, redistribute, and/or modify
5	* it under the terms of the GNU Affero General Public License, version 3
6	* or later ("AGPL"), as published by the Free Software Foundation.
7	*
8	* This program is distributed in the hope that it will be useful, but WITHOUT
9	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10	* FITNESS FOR A PARTICULAR PURPOSE.
11	*
12	* You should have received a copy of the GNU Affero General Public License
13	* along with this program. If not, see <http://www.gnu.org/licenses/>.
14	*/
15
16	#define _DEFAULT_SOURCE
17	#include "mndShow.h"
18	#include "mndPrivilege.h"
19	#include "mndUser.h"
20	#include "systable.h"
21
22	#define SHOW_STEP_SIZE 100
23	#define SHOW_COLS_STEP_SIZE 4096
24	#define SHOW_PRIVILEGES_STEP_SIZE 2048
25
26	static SShowObj mndCreateShowObj(SMnode pMnode, SRetrieveTableReq *pReq);
27	static void mndFreeShowObj(SShowObj *pShow);
28	static SShowObj mndAcquireShowObj(SMnode pMnode, int64_t showId);
29	static void mndReleaseShowObj(SShowObj *pShow, bool forceRemove);
30	static bool mndCheckRetrieveFinished(SShowObj *pShow);
31	static int32_t mndProcessRetrieveSysTableReq(SRpcMsg *pReq);
32
33	int32_t mndInitShow(SMnode *pMnode) {	512,814✔
34	int32_t code = 0;	512,814✔
35	SShowMgmt *pMgmt = &pMnode->showMgmt;	512,814✔
36
37	pMgmt->cache = taosCacheInit(TSDB_DATA_TYPE_INT, 5000, true, (__cache_free_fn_t)mndFreeShowObj, "show");	512,814✔
38	if (pMgmt->cache == NULL) {	512,814✔
39	code = TSDB_CODE_OUT_OF_MEMORY;	×
40	mError("failed to alloc show cache since %s", tstrerror(code));	×
41	TAOS_RETURN(code);	×
42	}
43
44	mndSetMsgHandle(pMnode, TDMT_MND_SYSTABLE_RETRIEVE, mndProcessRetrieveSysTableReq);	512,814✔
45	TAOS_RETURN(code);	512,814✔
46	}
47
48	void mndCleanupShow(SMnode *pMnode) {	512,693✔
49	SShowMgmt *pMgmt = &pMnode->showMgmt;	512,693✔
50	if (pMgmt->cache != NULL) {	512,693✔
51	taosCacheCleanup(pMgmt->cache);	512,693✔
52	pMgmt->cache = NULL;	512,693✔
53	}
54	}	512,693✔
55
56	static int32_t convertToRetrieveType(char *name, int32_t len) {	5,093,156✔
57	int32_t type = -1;	5,093,156✔
58
59	if (strncasecmp(name, TSDB_INS_TABLE_DNODES, len) == 0) {	5,093,156✔
60	type = TSDB_MGMT_TABLE_DNODE;	901,827✔
61	} else if (strncasecmp(name, TSDB_INS_TABLE_MNODES, len) == 0) {	4,191,329✔
62	type = TSDB_MGMT_TABLE_MNODE;	383,808✔
63	/*
64	} else if (strncasecmp(name, TSDB_INS_TABLE_MODULES, len) == 0) {
65	type = TSDB_MGMT_TABLE_MODULE;
66	*/
67	} else if (strncasecmp(name, TSDB_INS_TABLE_QNODES, len) == 0) {	3,807,521✔
68	type = TSDB_MGMT_TABLE_QNODE;	8,042✔
69	} else if (strncasecmp(name, TSDB_INS_TABLE_SNODES, len) == 0) {	3,799,479✔
70	type = TSDB_MGMT_TABLE_SNODE;	166,059✔
71	} else if (strncasecmp(name, TSDB_INS_TABLE_ANODES, len) == 0) {	3,633,420✔
72	type = TSDB_MGMT_TABLE_ANODE;	355✔
73	} else if (strncasecmp(name, TSDB_INS_TABLE_ANODES_FULL, len) == 0) {	3,633,065✔
74	type = TSDB_MGMT_TABLE_ANODE_FULL;	×
75	} else if (strncasecmp(name, TSDB_INS_TABLE_BNODES, len) == 0) {	3,633,065✔
76	type = TSDB_MGMT_TABLE_BNODE;	124,080✔
77	} else if (strncasecmp(name, TSDB_INS_TABLE_ARBGROUPS, len) == 0) {	3,508,985✔
78	type = TSDB_MGMT_TABLE_ARBGROUP;	×
79	} else if (strncasecmp(name, TSDB_INS_TABLE_CLUSTER, len) == 0) {	3,508,985✔
80	type = TSDB_MGMT_TABLE_CLUSTER;	3,582✔
81	} else if (strncasecmp(name, TSDB_INS_TABLE_DATABASES, len) == 0) {	3,505,403✔
82	type = TSDB_MGMT_TABLE_DB;	616,574✔
83	} else if (strncasecmp(name, TSDB_INS_TABLE_FUNCTIONS, len) == 0) {	2,888,829✔
84	type = TSDB_MGMT_TABLE_FUNC;	12,558✔
85	} else if (strncasecmp(name, TSDB_INS_TABLE_INDEXES, len) == 0) {	2,876,271✔
86	type = TSDB_MGMT_TABLE_INDEX;	14,338✔
87	} else if (strncasecmp(name, TSDB_INS_TABLE_STABLES, len) == 0) {	2,861,933✔
88	type = TSDB_MGMT_TABLE_STB;	343,561✔
89	} else if (strncasecmp(name, TSDB_INS_TABLE_TABLES, len) == 0) {	2,518,372✔
90	type = TSDB_MGMT_TABLE_TABLE;	×
91	} else if (strncasecmp(name, TSDB_INS_TABLE_TAGS, len) == 0) {	2,518,372✔
92	type = TSDB_MGMT_TABLE_TAG;	×
93	} else if (strncasecmp(name, TSDB_INS_TABLE_COLS, len) == 0) {	2,518,372✔
94	type = TSDB_MGMT_TABLE_COL;	531,833✔
95	} else if (strncasecmp(name, TSDB_INS_TABLE_TABLE_DISTRIBUTED, len) == 0) {	1,986,539✔
96	// type = TSDB_MGMT_TABLE_DIST;
97	} else if (strncasecmp(name, TSDB_INS_TABLE_USERS, len) == 0) {	1,986,539✔
98	type = TSDB_MGMT_TABLE_USER;	20,118✔
99	} else if (strncasecmp(name, TSDB_INS_TABLE_USERS_FULL, len) == 0) {	1,966,421✔
100	type = TSDB_MGMT_TABLE_USER_FULL;	×
101	} else if (strncasecmp(name, TSDB_INS_TABLE_TOKENS, len) == 0) {	1,966,421✔
102	type = TSDB_MGMT_TABLE_TOKEN;	×
103	} else if (strncasecmp(name, TSDB_INS_TABLE_LICENCES, len) == 0) {	1,966,421✔
104	type = TSDB_MGMT_TABLE_GRANTS;	4,227✔
105	} else if (strncasecmp(name, TSDB_INS_TABLE_VGROUPS, len) == 0) {	1,962,194✔
106	type = TSDB_MGMT_TABLE_VGROUP;	264,245✔
107	} else if (strncasecmp(name, TSDB_PERFS_TABLE_CONSUMERS, len) == 0) {	1,697,949✔
108	type = TSDB_MGMT_TABLE_CONSUMERS;	9,551✔
109	} else if (strncasecmp(name, TSDB_INS_TABLE_SUBSCRIPTIONS, len) == 0) {	1,688,398✔
110	type = TSDB_MGMT_TABLE_SUBSCRIPTIONS;	10,296✔
111	} else if (strncasecmp(name, TSDB_PERFS_TABLE_TRANS, len) == 0) {	1,678,102✔
112	type = TSDB_MGMT_TABLE_TRANS;	454,454✔
113	} else if (strncasecmp(name, TSDB_PERFS_TABLE_SMAS, len) == 0) {	1,223,648✔
114	type = TSDB_MGMT_TABLE_SMAS;	×
115	} else if (strncasecmp(name, TSDB_INS_TABLE_CONFIGS, len) == 0) {	1,223,648✔
116	type = TSDB_MGMT_TABLE_CONFIGS;	2,485✔
117	} else if (strncasecmp(name, TSDB_PERFS_TABLE_CONNECTIONS, len) == 0) {	1,221,163✔
118	type = TSDB_MGMT_TABLE_CONNS;	17,036✔
119	} else if (strncasecmp(name, TSDB_PERFS_TABLE_QUERIES, len) == 0) {	1,204,127✔
120	type = TSDB_MGMT_TABLE_QUERIES;	6,448✔
121	} else if (strncasecmp(name, TSDB_INS_TABLE_VNODES, len) == 0) {	1,197,679✔
122	type = TSDB_MGMT_TABLE_VNODES;	1,581✔
123	} else if (strncasecmp(name, TSDB_INS_TABLE_TOPICS, len) == 0) {	1,196,098✔
124	type = TSDB_MGMT_TABLE_TOPICS;	25,957✔
125	} else if (strncasecmp(name, TSDB_INS_TABLE_STREAMS, len) == 0) {	1,170,141✔
126	type = TSDB_MGMT_TABLE_STREAMS;	303,557✔
127	} else if (strncasecmp(name, TSDB_PERFS_TABLE_APPS, len) == 0) {	866,584✔
128	type = TSDB_MGMT_TABLE_APPS;	6,060✔
129	} else if (strncasecmp(name, TSDB_PERFS_TABLE_INSTANCES, len) == 0) {	860,524✔
130	type = TSDB_MGMT_TABLE_INSTANCE;	×
131	} else if (strncasecmp(name, TSDB_INS_TABLE_STREAM_TASKS, len) == 0) {	860,524✔
132	type = TSDB_MGMT_TABLE_STREAM_TASKS;	289,373✔
133	} else if (strncasecmp(name, TSDB_INS_TABLE_STREAM_RECALCULATES, len) == 0) {	571,151✔
134	type = TSDB_MGMT_TABLE_STREAM_RECALCULATES;	434✔
135	} else if (strncasecmp(name, TSDB_INS_TABLE_USER_PRIVILEGES, len) == 0) {	570,717✔
136	type = TSDB_MGMT_TABLE_PRIVILEGES;	19,830✔
137	} else if (strncasecmp(name, TSDB_INS_TABLE_VIEWS, len) == 0) {	550,887✔
138	type = TSDB_MGMT_TABLE_VIEWS;	32,596✔
139	} else if (strncasecmp(name, TSDB_INS_TABLE_COMPACTS, len) == 0) {	518,291✔
140	type = TSDB_MGMT_TABLE_COMPACT;	386,781✔
141	} else if (strncasecmp(name, TSDB_INS_TABLE_ENCRYPT_ALGORITHMS, len) == 0) {	131,510✔
142	type = TSDB_MGMT_TABLE_ENCRYPT_ALGORITHMS;	×
143	} else if (strncasecmp(name, TSDB_INS_TABLE_SCANS, len) == 0) {	131,510✔
144	type = TSDB_MGMT_TABLE_SCAN;	4,907✔
145	} else if (strncasecmp(name, TSDB_INS_TABLE_COMPACT_DETAILS, len) == 0) {	126,603✔
146	type = TSDB_MGMT_TABLE_COMPACT_DETAIL;	33,671✔
147	} else if (strncasecmp(name, TSDB_INS_TABLE_SCAN_DETAILS, len) == 0) {	92,932✔
148	type = TSDB_MGMT_TABLE_SCAN_DETAIL;	3,798✔
149	} else if (strncasecmp(name, TSDB_INS_TABLE_SSMIGRATES, len) == 0) {	89,134✔
150	type = TSDB_MGMT_TABLE_SSMIGRATE;	×
151	} else if (strncasecmp(name, TSDB_INS_TABLE_TRANSACTION_DETAILS, len) == 0) {	89,134✔
152	type = TSDB_MGMT_TABLE_TRANSACTION_DETAIL;	1,031✔
153	} else if (strncasecmp(name, TSDB_INS_TABLE_GRANTS_FULL, len) == 0) {	88,103✔
154	type = TSDB_MGMT_TABLE_GRANTS_FULL;	2,243✔
155	} else if (strncasecmp(name, TSDB_INS_TABLE_GRANTS_LOGS, len) == 0) {	85,860✔
156	type = TSDB_MGMT_TABLE_GRANTS_LOGS;	2,243✔
157	} else if (strncasecmp(name, TSDB_INS_TABLE_MACHINES, len) == 0) {	83,617✔
158	type = TSDB_MGMT_TABLE_MACHINES;	2,606✔
159	} else if (strncasecmp(name, TSDB_INS_TABLE_ENCRYPTIONS, len) == 0) {	81,011✔
160	type = TSDB_MGMT_TABLE_ENCRYPTIONS;	814✔
161	} else if (strncasecmp(name, TSDB_INS_TABLE_TSMAS, len) == 0) {	80,197✔
162	type = TSDB_MGMT_TABLE_TSMAS;	×
163	} else if (strncasecmp(name, TSDB_INS_DISK_USAGE, len) == 0) {	80,197✔
164	type = TSDB_MGMT_TABLE_USAGE;	×
165	} else if (strncasecmp(name, TSDB_INS_TABLE_FILESETS, len) == 0) {	80,197✔
166	type = TSDB_MGMT_TABLE_FILESETS;	×
167	} else if (strncasecmp(name, TSDB_INS_TABLE_VC_COLS, len) == 0) {	80,197✔
168	type = TSDB_MGMT_TABLE_VC_COL;	×
169	} else if (strncasecmp(name, TSDB_INS_TABLE_MOUNTS, len) == 0) {	80,197✔
170	type = TSDB_MGMT_TABLE_MOUNT;	15,499✔
171	} else if (strncasecmp(name, TSDB_INS_TABLE_RSMAS, len) == 0) {	64,698✔
172	type = TSDB_MGMT_TABLE_RSMA;	17,358✔
173	} else if (strncasecmp(name, TSDB_INS_TABLE_RETENTIONS, len) == 0) {	47,340✔
174	type = TSDB_MGMT_TABLE_RETENTION;	44,973✔
175	} else if (strncasecmp(name, TSDB_INS_TABLE_RETENTION_DETAILS, len) == 0) {	2,367✔
176	type = TSDB_MGMT_TABLE_RETENTION_DETAIL;	2,367✔
177	} else {
178	mError("invalid show name:%s len:%d", name, len);	×
179	}
180
181	return type;	5,093,156✔
182	}
183
184	static SShowObj mndCreateShowObj(SMnode pMnode, SRetrieveTableReq *pReq) {	5,093,156✔
185	SShowMgmt *pMgmt = &pMnode->showMgmt;	5,093,156✔
186
187	int64_t showId = atomic_add_fetch_64(&pMgmt->showId, 1);	5,093,156✔
188	if (showId == 0) atomic_add_fetch_64(&pMgmt->showId, 1);	5,093,156✔
189
190	int32_t size = sizeof(SShowObj);	5,093,156✔
191
192	SShowObj showObj = {0};	5,093,156✔
193
194	showObj.id = showId;	5,093,156✔
195	showObj.pMnode = pMnode;	5,093,156✔
196	showObj.type = convertToRetrieveType(pReq->tb, tListLen(pReq->tb));	5,093,156✔
197	(void)memcpy(showObj.db, pReq->db, TSDB_DB_FNAME_LEN);	5,093,156✔
198	tstrncpy(showObj.filterTb, pReq->filterTb, TSDB_TABLE_NAME_LEN);	5,093,156✔
199
200	int32_t keepTime = tsShellActivityTimer * 6 * 1000;	5,093,156✔
201	SShowObj *pShow = taosCachePut(pMgmt->cache, &showId, sizeof(int64_t), &showObj, size, keepTime);	5,093,156✔
202	if (pShow == NULL) {	5,093,156✔
203	terrno = TSDB_CODE_OUT_OF_MEMORY;	×
204	mError("show:0x%" PRIx64 ", failed to put into cache since %s", showId, terrstr());	×
205	return NULL;	×
206	}
207
208	mTrace("show:0x%" PRIx64 ", is created, data:%p", showId, pShow);	5,093,156✔
209	return pShow;	5,093,156✔
210	}
211
212	static void mndFreeShowObj(SShowObj *pShow) {	5,093,156✔
213	SMnode *pMnode = pShow->pMnode;	5,093,156✔
214	SShowMgmt *pMgmt = &pMnode->showMgmt;	5,093,156✔
215
216	ShowFreeIterFp freeFp = pMgmt->freeIterFps[pShow->type];	5,093,156✔
217	if (freeFp != NULL) {	5,093,156✔
218	if (pShow->pIter != NULL) {	4,650,305✔
219	mTrace("show:0x%" PRIx64 ", is destroying, data:%p, pIter:%p, ", pShow->id, pShow, pShow->pIter);	113✔
220
221	(*freeFp)(pMnode, pShow->pIter);	113✔
222
223	pShow->pIter = NULL;	113✔
224	}
225	}
226
227	mTrace("show:0x%" PRIx64 ", is destroyed, data:%p", pShow->id, pShow);	5,093,156✔
228	}	5,093,156✔
229
230	static SShowObj mndAcquireShowObj(SMnode pMnode, int64_t showId) {	141,448✔
231	SShowMgmt *pMgmt = &pMnode->showMgmt;	141,448✔
232
233	SShowObj *pShow = taosCacheAcquireByKey(pMgmt->cache, &showId, sizeof(showId));	141,448✔
234	if (pShow == NULL) {	141,448✔
235	mError("show:0x%" PRIx64 ", already destroyed", showId);	×
236	return NULL;	×
237	}
238
239	mTrace("show:0x%" PRIx64 ", acquired from cache, data:%p", pShow->id, pShow);	141,448✔
240	return pShow;	141,448✔
241	}
242
243	static void mndReleaseShowObj(SShowObj *pShow, bool forceRemove) {	5,232,492✔
244	if (pShow == NULL) return;	5,232,492✔
245	mTrace("show:0x%" PRIx64 ", released from cache, data:%p force:%d", pShow->id, pShow, forceRemove);	5,232,492✔
246
247	// A bug in tcache.c
248	forceRemove = 0;	5,232,492✔
249
250	SMnode *pMnode = pShow->pMnode;	5,232,492✔
251	SShowMgmt *pMgmt = &pMnode->showMgmt;	5,232,492✔
252	taosCacheRelease(pMgmt->cache, (void **)(&pShow), forceRemove);	5,232,492✔
253	}
254
255	static int32_t mndProcessRetrieveSysTableReq(SRpcMsg *pReq) {	5,234,404✔
256	int32_t code = 0;	5,234,404✔
257	SMnode *pMnode = pReq->info.node;	5,234,404✔
258	SShowMgmt *pMgmt = &pMnode->showMgmt;	5,234,604✔
259	SShowObj *pShow = NULL;	5,234,604✔
260	int32_t rowsToRead = SHOW_STEP_SIZE;	5,234,604✔
261	int32_t size = 0;	5,234,604✔
262	int32_t rowsRead = 0;	5,234,604✔
263	mDebug("mndProcessRetrieveSysTableReq start");	5,234,604✔
264	SRetrieveTableReq retrieveReq = {0};	5,234,604✔
265	TAOS_CHECK_RETURN(tDeserializeSRetrieveTableReq(pReq->pCont, pReq->contLen, &retrieveReq));	5,234,604✔
266
267	mDebug("process to retrieve systable req db:%s, tb:%s, compactId:%" PRId64, retrieveReq.db, retrieveReq.tb,	5,234,604✔
268	retrieveReq.compactId);
269
270	if (retrieveReq.showId == 0) {	5,234,604✔
271	STableMetaRsp *pMeta = taosHashGet(pMnode->infosMeta, retrieveReq.tb, strlen(retrieveReq.tb));	5,093,156✔
272	if (pMeta == NULL) {	5,093,156✔
273	pMeta = taosHashGet(pMnode->perfsMeta, retrieveReq.tb, strlen(retrieveReq.tb));	493,549✔
274	if (pMeta == NULL) {	493,549✔
275	code = TSDB_CODE_PAR_TABLE_NOT_EXIST;	×
276	mError("failed to process show-retrieve req:%p since %s", pShow, tstrerror(code));	×
277	TAOS_RETURN(code);	×
278	}
279	}
280
281	pShow = mndCreateShowObj(pMnode, &retrieveReq);	5,093,156✔
282	if (pShow == NULL) {	5,093,156✔
283	code = terrno;	×
284	mError("failed to process show-meta req since %s", tstrerror(code));	×
285	TAOS_RETURN(code);	×
286	}
287
288	pShow->pMeta = pMeta;	5,093,156✔
289	pShow->numOfColumns = pShow->pMeta->numOfColumns;	5,093,156✔
290	} else {
291	pShow = mndAcquireShowObj(pMnode, retrieveReq.showId);	141,448✔
292	if (pShow == NULL) {	141,448✔
293	code = TSDB_CODE_MND_INVALID_SHOWOBJ;	×
294	mError("failed to process show-retrieve req:%p since %s", pShow, tstrerror(code));	×
295	TAOS_RETURN(code);	×
296	}
297	}
298
299	if (pShow->type == TSDB_MGMT_TABLE_COL) { // expend capacity for ins_columns	5,234,604✔
300	rowsToRead = SHOW_COLS_STEP_SIZE;	534,545✔
301	} else if (pShow->type == TSDB_MGMT_TABLE_PRIVILEGES) {	4,700,059✔
302	rowsToRead = SHOW_PRIVILEGES_STEP_SIZE;	19,830✔
303	}
304	ShowRetrieveFp retrieveFp = pMgmt->retrieveFps[pShow->type];	5,234,604✔
305	if (retrieveFp == NULL) {	5,234,604✔
306	mndReleaseShowObj(pShow, false);	×
307	code = TSDB_CODE_MSG_NOT_PROCESSED;	×
308	mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(code));	×
309	TAOS_RETURN(code);	×
310	}
311
312	mDebug("show:0x%" PRIx64 ", start retrieve data, type:%d", pShow->id, pShow->type);	5,234,604✔
313	if (retrieveReq.user[0] != 0) {	5,234,604✔
314	(void)memcpy(pReq->info.conn.user, retrieveReq.user, TSDB_USER_LEN);	5,234,604✔
315	} else {
316	(void)memcpy(pReq->info.conn.user, TSDB_DEFAULT_USER, strlen(TSDB_DEFAULT_USER) + 1);	×
317	}
318	code = -1;	5,234,604✔
319	if (retrieveReq.db[0] &&	7,252,254✔
320	(code = mndCheckShowPrivilege(pMnode, RPC_MSG_USER(pReq), RPC_MSG_TOKEN(pReq), pShow->type, retrieveReq.db)) != 0) {	2,017,650✔
321	TAOS_RETURN(code);	2,112✔
322	}
323	if (pShow->type == TSDB_MGMT_TABLE_USER_FULL) {	5,232,492✔
324	if (strcmp(RPC_MSG_USER(pReq), "root") != 0) {	×
325	mError("The operation is not permitted, user:%s, pShow->type:%d", RPC_MSG_USER(pReq), pShow->type);	×
326	code = TSDB_CODE_MND_NO_RIGHTS;	×
327	TAOS_RETURN(code);	×
328	}
329	}
330
331	int32_t numOfCols = pShow->pMeta->numOfColumns;	5,232,492✔
332
333	SSDataBlock *pBlock = NULL;	5,232,492✔
334	code = createDataBlock(&pBlock);	5,232,492✔
335	if (code) {	5,232,492✔
336	TAOS_RETURN(code);	×
337	}
338
339	for (int32_t i = 0; i < numOfCols; ++i) {	73,408,385✔
340	SColumnInfoData idata = {0};	68,175,893✔
341
342	SSchema *p = &pShow->pMeta->pSchemas[i];	68,175,893✔
343
344	idata.info.bytes = p->bytes;	68,175,893✔
345	idata.info.type = p->type;	68,175,893✔
346	idata.info.colId = p->colId;	68,175,893✔
347	TAOS_CHECK_RETURN(blockDataAppendColInfo(pBlock, &idata));	68,175,893✔
348	}
349
350	TAOS_CHECK_RETURN(blockDataEnsureCapacity(pBlock, rowsToRead));	5,232,492✔
351
352	if (mndCheckRetrieveFinished(pShow)) {	5,232,492✔
353	mDebug("show:0x%" PRIx64 ", read finished, numOfRows:%d", pShow->id, pShow->numOfRows);	×
354	rowsRead = 0;	×
355	} else {
356	rowsRead = (*retrieveFp)(pReq, pShow, pBlock, rowsToRead);	5,232,492✔
357	if (rowsRead < 0) {	5,232,492✔
358	code = rowsRead;	2,271✔
359	mDebug("show:0x%" PRIx64 ", retrieve completed", pShow->id);	2,271✔
360	mndReleaseShowObj(pShow, true);	2,271✔
361	blockDataDestroy(pBlock);	2,271✔
362	TAOS_RETURN(code);	2,271✔
363	}
364
365	pBlock->info.rows = rowsRead;	5,230,221✔
366	mDebug("show:0x%" PRIx64 ", stop retrieve data, rowsRead:%d numOfRows:%d", pShow->id, rowsRead, pShow->numOfRows);	5,230,221✔
367	}
368
369	size_t dataEncodeBufSize = blockGetEncodeSize(pBlock);	5,230,221✔
370	size = sizeof(SRetrieveMetaTableRsp) + sizeof(int32_t) + sizeof(SSysTableSchema) * pShow->pMeta->numOfColumns +	5,230,221✔
371	dataEncodeBufSize;
372
373	SRetrieveMetaTableRsp *pRsp = rpcMallocCont(size);	5,230,221✔
374	if (pRsp == NULL) {	5,230,221✔
375	mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(terrno));	×
376	code = terrno;	×
377	goto _exit;	×
378	}
379
380	pRsp->handle = htobe64(pShow->id);	5,230,221✔
381
382	if (rowsRead > 0) {	5,230,221✔
383	char *pStart = pRsp->data;	4,891,973✔
384	SSchema *ps = pShow->pMeta->pSchemas;	4,891,973✔
385
386	(int32_t )pStart = htonl(pShow->pMeta->numOfColumns);	4,891,973✔
387	pStart += sizeof(int32_t); // number of columns	4,891,973✔
388
389	for (int32_t i = 0; i < pShow->pMeta->numOfColumns; ++i) {	69,898,692✔
390	SSysTableSchema pSchema = (SSysTableSchema )pStart;	65,006,719✔
391	pSchema->bytes = htonl(ps[i].bytes);	65,006,719✔
392	pSchema->colId = htons(ps[i].colId);	65,006,719✔
393	pSchema->type = ps[i].type;	65,006,719✔
394
395	pStart += sizeof(SSysTableSchema);	65,006,719✔
396	}
397
398	int32_t len = blockEncode(pBlock, pStart, dataEncodeBufSize, pShow->pMeta->numOfColumns);	4,891,973✔
399	if (len < 0) {	4,891,973✔
400	mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(terrno));	×
401	code = terrno;	×
402	return code;	×
403	}
404	}
405
406	pRsp->numOfRows = htonl(rowsRead);	5,230,221✔
407	pRsp->precision = TSDB_TIME_PRECISION_MILLI; // millisecond time precision	5,230,221✔
408	pReq->info.rsp = pRsp;	5,230,221✔
409	pReq->info.rspLen = size;	5,230,221✔
410
411	if (rowsRead == 0 \|\| mndCheckRetrieveFinished(pShow)) {	5,230,221✔
412	pRsp->completed = 1;	5,088,660✔
413	mDebug("show:0x%" PRIx64 ", retrieve completed", pShow->id);	5,088,660✔
414	mndReleaseShowObj(pShow, true);	5,088,660✔
415	} else {
416	mDebug("show:0x%" PRIx64 ", retrieve not completed yet", pShow->id);	141,561✔
417	mndReleaseShowObj(pShow, false);	141,561✔
418	}
419
420	blockDataDestroy(pBlock);	5,230,221✔
421	return TSDB_CODE_SUCCESS;	5,230,221✔
422	_exit:	×
423	mndReleaseShowObj(pShow, false);	×
424	blockDataDestroy(pBlock);	×
425	if (pRsp) {	×
426	rpcFreeCont(pRsp);	×
427	}
428	return code;	×
429	}
430
431	static bool mndCheckRetrieveFinished(SShowObj *pShow) {	10,124,465✔
432	if (pShow->pIter == NULL && pShow->numOfRows != 0) {	10,124,465✔
433	return true;	4,750,412✔
434	}
435	return false;	5,374,053✔
436	}
437
438	void mndAddShowRetrieveHandle(SMnode *pMnode, EShowType showType, ShowRetrieveFp fp) {	25,640,700✔
439	SShowMgmt *pMgmt = &pMnode->showMgmt;	25,640,700✔
440	pMgmt->retrieveFps[showType] = fp;	25,640,700✔
441	}	25,640,700✔
442
443	void mndAddShowFreeIterHandle(SMnode *pMnode, EShowType showType, ShowFreeIterFp fp) {	21,025,374✔
444	SShowMgmt *pMgmt = &pMnode->showMgmt;	21,025,374✔
445	pMgmt->freeIterFps[showType] = fp;	21,025,374✔
446	}	21,025,374✔

taosdata / TDengine / #4897

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