/* * Copyright (c) 2019 TAOS Data, Inc. * * 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 . */ #define _DEFAULT_SOURCE #include "mndStb.h" #include "mndDb.h" #include "mndDnode.h" #include "mndInfoSchema.h" #include "mndMnode.h" #include "mndPerfSchema.h" #include "mndPrivilege.h" #include "mndScheduler.h" #include "mndShow.h" #include "mndSma.h" #include "mndTopic.h" #include "mndTrans.h" #include "mndUser.h" #include "mndVgroup.h" #include "tname.h" #define STB_VER_NUMBER 1 #define STB_RESERVE_SIZE 64 static SSdbRow *mndStbActionDecode(SSdbRaw *pRaw); static int32_t mndStbActionInsert(SSdb *pSdb, SStbObj *pStb); static int32_t mndStbActionDelete(SSdb *pSdb, SStbObj *pStb); static int32_t mndStbActionUpdate(SSdb *pSdb, SStbObj *pOld, SStbObj *pNew); static int32_t mndProcessTtlTimer(SRpcMsg *pReq); static int32_t mndProcessCreateStbReq(SRpcMsg *pReq); static int32_t mndProcessAlterStbReq(SRpcMsg *pReq); static int32_t mndProcessDropStbReq(SRpcMsg *pReq); static int32_t mndProcessTableMetaReq(SRpcMsg *pReq); static int32_t mndRetrieveStb(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows); static void mndCancelGetNextStb(SMnode *pMnode, void *pIter); static int32_t mndProcessTableCfgReq(SRpcMsg *pReq); static int32_t mndAlterStbImp(SMnode *pMnode, SRpcMsg *pReq, SDbObj *pDb, SStbObj *pStb, bool needRsp, void *alterOriData, int32_t alterOriDataLen); static int32_t mndCheckColAndTagModifiable(SMnode *pMnode, const char *stbname, int64_t suid, col_id_t colId); int32_t mndInitStb(SMnode *pMnode) { SSdbTable table = { .sdbType = SDB_STB, .keyType = SDB_KEY_BINARY, .encodeFp = (SdbEncodeFp)mndStbActionEncode, .decodeFp = (SdbDecodeFp)mndStbActionDecode, .insertFp = (SdbInsertFp)mndStbActionInsert, .updateFp = (SdbUpdateFp)mndStbActionUpdate, .deleteFp = (SdbDeleteFp)mndStbActionDelete, }; mndSetMsgHandle(pMnode, TDMT_MND_CREATE_STB, mndProcessCreateStbReq); mndSetMsgHandle(pMnode, TDMT_MND_ALTER_STB, mndProcessAlterStbReq); mndSetMsgHandle(pMnode, TDMT_MND_DROP_STB, mndProcessDropStbReq); mndSetMsgHandle(pMnode, TDMT_VND_CREATE_STB_RSP, mndTransProcessRsp); mndSetMsgHandle(pMnode, TDMT_VND_ALTER_STB_RSP, mndTransProcessRsp); mndSetMsgHandle(pMnode, TDMT_VND_DROP_STB_RSP, mndTransProcessRsp); mndSetMsgHandle(pMnode, TDMT_MND_TABLE_META, mndProcessTableMetaReq); mndSetMsgHandle(pMnode, TDMT_MND_TTL_TIMER, mndProcessTtlTimer); mndSetMsgHandle(pMnode, TDMT_MND_TABLE_CFG, mndProcessTableCfgReq); mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_STB, mndRetrieveStb); mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_STB, mndCancelGetNextStb); return sdbSetTable(pMnode->pSdb, table); } void mndCleanupStb(SMnode *pMnode) {} SSdbRaw *mndStbActionEncode(SStbObj *pStb) { terrno = TSDB_CODE_OUT_OF_MEMORY; int32_t size = sizeof(SStbObj) + (pStb->numOfColumns + pStb->numOfTags) * sizeof(SSchema) + pStb->commentLen + pStb->ast1Len + pStb->ast2Len + STB_RESERVE_SIZE + taosArrayGetSize(pStb->pFuncs) * TSDB_FUNC_NAME_LEN; SSdbRaw *pRaw = sdbAllocRaw(SDB_STB, STB_VER_NUMBER, size); if (pRaw == NULL) goto _OVER; int32_t dataPos = 0; SDB_SET_BINARY(pRaw, dataPos, pStb->name, TSDB_TABLE_FNAME_LEN, _OVER) SDB_SET_BINARY(pRaw, dataPos, pStb->db, TSDB_DB_FNAME_LEN, _OVER) SDB_SET_INT64(pRaw, dataPos, pStb->createdTime, _OVER) SDB_SET_INT64(pRaw, dataPos, pStb->updateTime, _OVER) SDB_SET_INT64(pRaw, dataPos, pStb->uid, _OVER) SDB_SET_INT64(pRaw, dataPos, pStb->dbUid, _OVER) SDB_SET_INT32(pRaw, dataPos, pStb->tagVer, _OVER) SDB_SET_INT32(pRaw, dataPos, pStb->colVer, _OVER) SDB_SET_INT32(pRaw, dataPos, pStb->smaVer, _OVER) SDB_SET_INT32(pRaw, dataPos, pStb->nextColId, _OVER) SDB_SET_INT64(pRaw, dataPos, pStb->maxdelay[0], _OVER) SDB_SET_INT64(pRaw, dataPos, pStb->maxdelay[1], _OVER) SDB_SET_INT64(pRaw, dataPos, pStb->watermark[0], _OVER) SDB_SET_INT64(pRaw, dataPos, pStb->watermark[1], _OVER) SDB_SET_INT32(pRaw, dataPos, pStb->ttl, _OVER) SDB_SET_INT32(pRaw, dataPos, pStb->numOfColumns, _OVER) SDB_SET_INT32(pRaw, dataPos, pStb->numOfTags, _OVER) SDB_SET_INT32(pRaw, dataPos, pStb->numOfFuncs, _OVER) SDB_SET_INT32(pRaw, dataPos, pStb->commentLen, _OVER) SDB_SET_INT32(pRaw, dataPos, pStb->ast1Len, _OVER) SDB_SET_INT32(pRaw, dataPos, pStb->ast2Len, _OVER) for (int32_t i = 0; i < pStb->numOfColumns; ++i) { SSchema *pSchema = &pStb->pColumns[i]; SDB_SET_INT8(pRaw, dataPos, pSchema->type, _OVER) SDB_SET_INT8(pRaw, dataPos, pSchema->flags, _OVER) SDB_SET_INT16(pRaw, dataPos, pSchema->colId, _OVER) SDB_SET_INT32(pRaw, dataPos, pSchema->bytes, _OVER) SDB_SET_BINARY(pRaw, dataPos, pSchema->name, TSDB_COL_NAME_LEN, _OVER) } for (int32_t i = 0; i < pStb->numOfTags; ++i) { SSchema *pSchema = &pStb->pTags[i]; SDB_SET_INT8(pRaw, dataPos, pSchema->type, _OVER) SDB_SET_INT8(pRaw, dataPos, pSchema->flags, _OVER) SDB_SET_INT16(pRaw, dataPos, pSchema->colId, _OVER) SDB_SET_INT32(pRaw, dataPos, pSchema->bytes, _OVER) SDB_SET_BINARY(pRaw, dataPos, pSchema->name, TSDB_COL_NAME_LEN, _OVER) } for (int32_t i = 0; i < pStb->numOfFuncs; ++i) { char *func = taosArrayGet(pStb->pFuncs, i); SDB_SET_BINARY(pRaw, dataPos, func, TSDB_FUNC_NAME_LEN, _OVER) } if (pStb->commentLen > 0) { SDB_SET_BINARY(pRaw, dataPos, pStb->comment, pStb->commentLen + 1, _OVER) } if (pStb->ast1Len > 0) { SDB_SET_BINARY(pRaw, dataPos, pStb->pAst1, pStb->ast1Len, _OVER) } if (pStb->ast2Len > 0) { SDB_SET_BINARY(pRaw, dataPos, pStb->pAst2, pStb->ast2Len, _OVER) } SDB_SET_RESERVE(pRaw, dataPos, STB_RESERVE_SIZE, _OVER) SDB_SET_DATALEN(pRaw, dataPos, _OVER) terrno = 0; _OVER: if (terrno != 0) { mError("stb:%s, failed to encode to raw:%p since %s", pStb->name, pRaw, terrstr()); sdbFreeRaw(pRaw); return NULL; } mTrace("stb:%s, encode to raw:%p, row:%p", pStb->name, pRaw, pStb); return pRaw; } static SSdbRow *mndStbActionDecode(SSdbRaw *pRaw) { terrno = TSDB_CODE_OUT_OF_MEMORY; int8_t sver = 0; if (sdbGetRawSoftVer(pRaw, &sver) != 0) goto _OVER; if (sver != STB_VER_NUMBER) { terrno = TSDB_CODE_SDB_INVALID_DATA_VER; goto _OVER; } SSdbRow *pRow = sdbAllocRow(sizeof(SStbObj)); if (pRow == NULL) goto _OVER; SStbObj *pStb = sdbGetRowObj(pRow); if (pStb == NULL) goto _OVER; int32_t dataPos = 0; SDB_GET_BINARY(pRaw, dataPos, pStb->name, TSDB_TABLE_FNAME_LEN, _OVER) SDB_GET_BINARY(pRaw, dataPos, pStb->db, TSDB_DB_FNAME_LEN, _OVER) SDB_GET_INT64(pRaw, dataPos, &pStb->createdTime, _OVER) SDB_GET_INT64(pRaw, dataPos, &pStb->updateTime, _OVER) SDB_GET_INT64(pRaw, dataPos, &pStb->uid, _OVER) SDB_GET_INT64(pRaw, dataPos, &pStb->dbUid, _OVER) SDB_GET_INT32(pRaw, dataPos, &pStb->tagVer, _OVER) SDB_GET_INT32(pRaw, dataPos, &pStb->colVer, _OVER) SDB_GET_INT32(pRaw, dataPos, &pStb->smaVer, _OVER) SDB_GET_INT32(pRaw, dataPos, &pStb->nextColId, _OVER) SDB_GET_INT64(pRaw, dataPos, &pStb->maxdelay[0], _OVER) SDB_GET_INT64(pRaw, dataPos, &pStb->maxdelay[1], _OVER) SDB_GET_INT64(pRaw, dataPos, &pStb->watermark[0], _OVER) SDB_GET_INT64(pRaw, dataPos, &pStb->watermark[1], _OVER) SDB_GET_INT32(pRaw, dataPos, &pStb->ttl, _OVER) SDB_GET_INT32(pRaw, dataPos, &pStb->numOfColumns, _OVER) SDB_GET_INT32(pRaw, dataPos, &pStb->numOfTags, _OVER) SDB_GET_INT32(pRaw, dataPos, &pStb->numOfFuncs, _OVER) SDB_GET_INT32(pRaw, dataPos, &pStb->commentLen, _OVER) SDB_GET_INT32(pRaw, dataPos, &pStb->ast1Len, _OVER) SDB_GET_INT32(pRaw, dataPos, &pStb->ast2Len, _OVER) pStb->pColumns = taosMemoryCalloc(pStb->numOfColumns, sizeof(SSchema)); pStb->pTags = taosMemoryCalloc(pStb->numOfTags, sizeof(SSchema)); pStb->pFuncs = taosArrayInit(pStb->numOfFuncs, TSDB_FUNC_NAME_LEN); if (pStb->pColumns == NULL || pStb->pTags == NULL || pStb->pFuncs == NULL) { goto _OVER; } for (int32_t i = 0; i < pStb->numOfColumns; ++i) { SSchema *pSchema = &pStb->pColumns[i]; SDB_GET_INT8(pRaw, dataPos, &pSchema->type, _OVER) SDB_GET_INT8(pRaw, dataPos, &pSchema->flags, _OVER) SDB_GET_INT16(pRaw, dataPos, &pSchema->colId, _OVER) SDB_GET_INT32(pRaw, dataPos, &pSchema->bytes, _OVER) SDB_GET_BINARY(pRaw, dataPos, pSchema->name, TSDB_COL_NAME_LEN, _OVER) } for (int32_t i = 0; i < pStb->numOfTags; ++i) { SSchema *pSchema = &pStb->pTags[i]; SDB_GET_INT8(pRaw, dataPos, &pSchema->type, _OVER) SDB_GET_INT8(pRaw, dataPos, &pSchema->flags, _OVER) SDB_GET_INT16(pRaw, dataPos, &pSchema->colId, _OVER) SDB_GET_INT32(pRaw, dataPos, &pSchema->bytes, _OVER) SDB_GET_BINARY(pRaw, dataPos, pSchema->name, TSDB_COL_NAME_LEN, _OVER) } for (int32_t i = 0; i < pStb->numOfFuncs; ++i) { char funcName[TSDB_FUNC_NAME_LEN] = {0}; SDB_GET_BINARY(pRaw, dataPos, funcName, TSDB_FUNC_NAME_LEN, _OVER) taosArrayPush(pStb->pFuncs, funcName); } if (pStb->commentLen > 0) { pStb->comment = taosMemoryCalloc(pStb->commentLen + 1, 1); if (pStb->comment == NULL) goto _OVER; SDB_GET_BINARY(pRaw, dataPos, pStb->comment, pStb->commentLen + 1, _OVER) } if (pStb->ast1Len > 0) { pStb->pAst1 = taosMemoryCalloc(pStb->ast1Len, 1); if (pStb->pAst1 == NULL) goto _OVER; SDB_GET_BINARY(pRaw, dataPos, pStb->pAst1, pStb->ast1Len, _OVER) } if (pStb->ast2Len > 0) { pStb->pAst2 = taosMemoryCalloc(pStb->ast2Len, 1); if (pStb->pAst2 == NULL) goto _OVER; SDB_GET_BINARY(pRaw, dataPos, pStb->pAst2, pStb->ast2Len, _OVER) } SDB_GET_RESERVE(pRaw, dataPos, STB_RESERVE_SIZE, _OVER) terrno = 0; _OVER: if (terrno != 0) { mError("stb:%s, failed to decode from raw:%p since %s", pStb->name, pRaw, terrstr()); taosMemoryFreeClear(pStb->pColumns); taosMemoryFreeClear(pStb->pTags); taosMemoryFreeClear(pStb->comment); taosMemoryFreeClear(pRow); return NULL; } mTrace("stb:%s, decode from raw:%p, row:%p", pStb->name, pRaw, pStb); return pRow; } void mndFreeStb(SStbObj *pStb) { taosArrayDestroy(pStb->pFuncs); taosMemoryFreeClear(pStb->pColumns); taosMemoryFreeClear(pStb->pTags); taosMemoryFreeClear(pStb->comment); taosMemoryFreeClear(pStb->pAst1); taosMemoryFreeClear(pStb->pAst2); } static int32_t mndStbActionInsert(SSdb *pSdb, SStbObj *pStb) { mTrace("stb:%s, perform insert action, row:%p", pStb->name, pStb); return 0; } static int32_t mndStbActionDelete(SSdb *pSdb, SStbObj *pStb) { mTrace("stb:%s, perform delete action, row:%p", pStb->name, pStb); mndFreeStb(pStb); return 0; } static int32_t mndStbActionUpdate(SSdb *pSdb, SStbObj *pOld, SStbObj *pNew) { mTrace("stb:%s, perform update action, old row:%p new row:%p", pOld->name, pOld, pNew); taosWLockLatch(&pOld->lock); if (pOld->numOfColumns < pNew->numOfColumns) { void *pColumns = taosMemoryMalloc(pNew->numOfColumns * sizeof(SSchema)); if (pColumns != NULL) { taosMemoryFree(pOld->pColumns); pOld->pColumns = pColumns; } else { terrno = TSDB_CODE_OUT_OF_MEMORY; mTrace("stb:%s, failed to perform update action since %s", pOld->name, terrstr()); taosWUnLockLatch(&pOld->lock); } } if (pOld->numOfTags < pNew->numOfTags) { void *pTags = taosMemoryMalloc(pNew->numOfTags * sizeof(SSchema)); if (pTags != NULL) { taosMemoryFree(pOld->pTags); pOld->pTags = pTags; } else { terrno = TSDB_CODE_OUT_OF_MEMORY; mTrace("stb:%s, failed to perform update action since %s", pOld->name, terrstr()); taosWUnLockLatch(&pOld->lock); } } if (pOld->commentLen < pNew->commentLen && pNew->commentLen > 0) { void *comment = taosMemoryMalloc(pNew->commentLen + 1); if (comment != NULL) { taosMemoryFree(pOld->comment); pOld->comment = comment; } else { terrno = TSDB_CODE_OUT_OF_MEMORY; mTrace("stb:%s, failed to perform update action since %s", pOld->name, terrstr()); taosWUnLockLatch(&pOld->lock); } } pOld->commentLen = pNew->commentLen; if (pOld->ast1Len < pNew->ast1Len) { void *pAst1 = taosMemoryMalloc(pNew->ast1Len + 1); if (pAst1 != NULL) { taosMemoryFree(pOld->pAst1); pOld->pAst1 = pAst1; } else { terrno = TSDB_CODE_OUT_OF_MEMORY; mTrace("stb:%s, failed to perform update action since %s", pOld->name, terrstr()); taosWUnLockLatch(&pOld->lock); } } if (pOld->ast2Len < pNew->ast2Len) { void *pAst2 = taosMemoryMalloc(pNew->ast2Len + 1); if (pAst2 != NULL) { taosMemoryFree(pOld->pAst2); pOld->pAst2 = pAst2; } else { terrno = TSDB_CODE_OUT_OF_MEMORY; mTrace("stb:%s, failed to perform update action since %s", pOld->name, terrstr()); taosWUnLockLatch(&pOld->lock); } } pOld->updateTime = pNew->updateTime; pOld->tagVer = pNew->tagVer; pOld->colVer = pNew->colVer; pOld->smaVer = pNew->smaVer; pOld->nextColId = pNew->nextColId; pOld->ttl = pNew->ttl; if (pNew->numOfColumns > 0) { pOld->numOfColumns = pNew->numOfColumns; memcpy(pOld->pColumns, pNew->pColumns, pOld->numOfColumns * sizeof(SSchema)); } if (pNew->numOfTags > 0) { pOld->numOfTags = pNew->numOfTags; memcpy(pOld->pTags, pNew->pTags, pOld->numOfTags * sizeof(SSchema)); } if (pNew->commentLen > 0) { memcpy(pOld->comment, pNew->comment, pNew->commentLen + 1); pOld->commentLen = pNew->commentLen; } if (pNew->ast1Len != 0) { memcpy(pOld->pAst1, pNew->pAst1, pNew->ast1Len); pOld->ast1Len = pNew->ast1Len; } if (pNew->ast2Len != 0) { memcpy(pOld->pAst2, pNew->pAst2, pNew->ast2Len); pOld->ast2Len = pNew->ast2Len; } taosWUnLockLatch(&pOld->lock); return 0; } SStbObj *mndAcquireStb(SMnode *pMnode, char *stbName) { SSdb *pSdb = pMnode->pSdb; SStbObj *pStb = sdbAcquire(pSdb, SDB_STB, stbName); if (pStb == NULL && terrno == TSDB_CODE_SDB_OBJ_NOT_THERE) { terrno = TSDB_CODE_MND_STB_NOT_EXIST; } return pStb; } void mndReleaseStb(SMnode *pMnode, SStbObj *pStb) { SSdb *pSdb = pMnode->pSdb; sdbRelease(pSdb, pStb); } SDbObj *mndAcquireDbByStb(SMnode *pMnode, const char *stbName) { SName name = {0}; tNameFromString(&name, stbName, T_NAME_ACCT | T_NAME_DB | T_NAME_TABLE); char db[TSDB_TABLE_FNAME_LEN] = {0}; tNameGetFullDbName(&name, db); return mndAcquireDb(pMnode, db); } static FORCE_INLINE int32_t schemaExColIdCompare(const void *colId, const void *pSchema) { if (*(col_id_t *)colId < ((SSchema *)pSchema)->colId) { return -1; } else if (*(col_id_t *)colId > ((SSchema *)pSchema)->colId) { return 1; } return 0; } static void *mndBuildVCreateStbReq(SMnode *pMnode, SVgObj *pVgroup, SStbObj *pStb, int32_t *pContLen, void *alterOriData, int32_t alterOriDataLen) { SEncoder encoder = {0}; int32_t contLen; SName name = {0}; SVCreateStbReq req = {0}; tNameFromString(&name, pStb->name, T_NAME_ACCT | T_NAME_DB | T_NAME_TABLE); char dbFName[TSDB_DB_FNAME_LEN] = {0}; tNameGetFullDbName(&name, dbFName); req.name = (char *)tNameGetTableName(&name); req.suid = pStb->uid; req.rollup = pStb->ast1Len > 0 ? 1 : 0; req.alterOriData = alterOriData; req.alterOriDataLen = alterOriDataLen; // todo req.schemaRow.nCols = pStb->numOfColumns; req.schemaRow.version = pStb->colVer; req.schemaRow.pSchema = pStb->pColumns; req.schemaTag.nCols = pStb->numOfTags; req.schemaTag.version = pStb->tagVer; req.schemaTag.pSchema = pStb->pTags; if (req.rollup) { req.rsmaParam.maxdelay[0] = pStb->maxdelay[0]; req.rsmaParam.maxdelay[1] = pStb->maxdelay[1]; req.rsmaParam.watermark[0] = pStb->watermark[0]; req.rsmaParam.watermark[1] = pStb->watermark[1]; if (pStb->ast1Len > 0) { if (mndConvertRsmaTask(&req.rsmaParam.qmsg[0], &req.rsmaParam.qmsgLen[0], pStb->pAst1, pStb->uid, STREAM_TRIGGER_WINDOW_CLOSE, req.rsmaParam.watermark[0]) < 0) { goto _err; } } if (pStb->ast2Len > 0) { if (mndConvertRsmaTask(&req.rsmaParam.qmsg[1], &req.rsmaParam.qmsgLen[1], pStb->pAst2, pStb->uid, STREAM_TRIGGER_WINDOW_CLOSE, req.rsmaParam.watermark[1]) < 0) { goto _err; } } } // get length int32_t ret = 0; tEncodeSize(tEncodeSVCreateStbReq, &req, contLen, ret); if (ret < 0) { goto _err; } contLen += sizeof(SMsgHead); SMsgHead *pHead = taosMemoryMalloc(contLen); if (pHead == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; goto _err; } pHead->contLen = htonl(contLen); pHead->vgId = htonl(pVgroup->vgId); void *pBuf = POINTER_SHIFT(pHead, sizeof(SMsgHead)); tEncoderInit(&encoder, pBuf, contLen - sizeof(SMsgHead)); if (tEncodeSVCreateStbReq(&encoder, &req) < 0) { taosMemoryFreeClear(pHead); tEncoderClear(&encoder); goto _err; } tEncoderClear(&encoder); *pContLen = contLen; taosMemoryFreeClear(req.rsmaParam.qmsg[0]); taosMemoryFreeClear(req.rsmaParam.qmsg[1]); return pHead; _err: taosMemoryFreeClear(req.rsmaParam.qmsg[0]); taosMemoryFreeClear(req.rsmaParam.qmsg[1]); return NULL; } static void *mndBuildVDropStbReq(SMnode *pMnode, SVgObj *pVgroup, SStbObj *pStb, int32_t *pContLen) { SName name = {0}; SVDropStbReq req = {0}; int32_t contLen = 0; int32_t ret = 0; SMsgHead *pHead = NULL; SEncoder encoder = {0}; tNameFromString(&name, pStb->name, T_NAME_ACCT | T_NAME_DB | T_NAME_TABLE); req.name = (char *)tNameGetTableName(&name); req.suid = pStb->uid; tEncodeSize(tEncodeSVDropStbReq, &req, contLen, ret); if (ret < 0) return NULL; contLen += sizeof(SMsgHead); pHead = taosMemoryMalloc(contLen); if (pHead == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; return NULL; } pHead->contLen = htonl(contLen); pHead->vgId = htonl(pVgroup->vgId); void *pBuf = POINTER_SHIFT(pHead, sizeof(SMsgHead)); tEncoderInit(&encoder, pBuf, contLen - sizeof(SMsgHead)); tEncodeSVDropStbReq(&encoder, &req); tEncoderClear(&encoder); *pContLen = contLen; return pHead; } int32_t mndCheckCreateStbReq(SMCreateStbReq *pCreate) { if (pCreate->igExists < 0 || pCreate->igExists > 1) { terrno = TSDB_CODE_MND_INVALID_STB_OPTION; return -1; } if (pCreate->numOfColumns < TSDB_MIN_COLUMNS || pCreate->numOfTags + pCreate->numOfColumns > TSDB_MAX_COLUMNS) { terrno = TSDB_CODE_PAR_INVALID_COLUMNS_NUM; return -1; } if (pCreate->numOfTags <= 0 || pCreate->numOfTags > TSDB_MAX_TAGS) { terrno = TSDB_CODE_MND_INVALID_STB_OPTION; return -1; } SField *pField = taosArrayGet(pCreate->pColumns, 0); if (pField->type != TSDB_DATA_TYPE_TIMESTAMP) { terrno = TSDB_CODE_PAR_INVALID_FIRST_COLUMN; return -1; } for (int32_t i = 0; i < pCreate->numOfColumns; ++i) { SField *pField1 = taosArrayGet(pCreate->pColumns, i); if (pField1->type < 0) { terrno = TSDB_CODE_MND_INVALID_STB_OPTION; return -1; } if (pField1->bytes <= 0) { terrno = TSDB_CODE_MND_INVALID_STB_OPTION; return -1; } if (pField1->name[0] == 0) { terrno = TSDB_CODE_MND_INVALID_STB_OPTION; return -1; } } for (int32_t i = 0; i < pCreate->numOfTags; ++i) { SField *pField1 = taosArrayGet(pCreate->pTags, i); if (pField1->type < 0) { terrno = TSDB_CODE_MND_INVALID_STB_OPTION; return -1; } if (pField1->bytes <= 0) { terrno = TSDB_CODE_MND_INVALID_STB_OPTION; return -1; } if (pField1->name[0] == 0) { terrno = TSDB_CODE_MND_INVALID_STB_OPTION; return -1; } } return 0; } static int32_t mndSetCreateStbRedoLogs(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SStbObj *pStb) { SSdbRaw *pRedoRaw = mndStbActionEncode(pStb); if (pRedoRaw == NULL) return -1; if (mndTransAppendRedolog(pTrans, pRedoRaw) != 0) { sdbFreeRaw(pRedoRaw); return -1; } if (sdbSetRawStatus(pRedoRaw, SDB_STATUS_CREATING) != 0) return -1; return 0; } static int32_t mndSetCreateStbUndoLogs(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SStbObj *pStb) { SSdbRaw *pUndoRaw = mndStbActionEncode(pStb); if (pUndoRaw == NULL) return -1; if (mndTransAppendUndolog(pTrans, pUndoRaw) != 0) { sdbFreeRaw(pUndoRaw); return -1; } if (sdbSetRawStatus(pUndoRaw, SDB_STATUS_DROPPED) != 0) return -1; return 0; } static int32_t mndSetCreateStbCommitLogs(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SStbObj *pStb) { SSdbRaw *pCommitRaw = mndStbActionEncode(pStb); if (pCommitRaw == NULL) return -1; if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) { sdbFreeRaw(pCommitRaw); return -1; } if (sdbSetRawStatus(pCommitRaw, SDB_STATUS_READY) != 0) return -1; return 0; } static int32_t mndSetCreateStbRedoActions(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SStbObj *pStb) { SSdb *pSdb = pMnode->pSdb; SVgObj *pVgroup = NULL; void *pIter = NULL; int32_t contLen; while (1) { pIter = sdbFetch(pSdb, SDB_VGROUP, pIter, (void **)&pVgroup); if (pIter == NULL) break; if (!mndVgroupInDb(pVgroup, pDb->uid)) { sdbRelease(pSdb, pVgroup); continue; } void *pReq = mndBuildVCreateStbReq(pMnode, pVgroup, pStb, &contLen, NULL, 0); if (pReq == NULL) { sdbCancelFetch(pSdb, pIter); sdbRelease(pSdb, pVgroup); return -1; } STransAction action = {0}; action.epSet = mndGetVgroupEpset(pMnode, pVgroup); action.pCont = pReq; action.contLen = contLen; action.msgType = TDMT_VND_CREATE_STB; action.acceptableCode = TSDB_CODE_TDB_STB_ALREADY_EXIST; action.retryCode = TSDB_CODE_TDB_STB_NOT_EXIST; if (mndTransAppendRedoAction(pTrans, &action) != 0) { taosMemoryFree(pReq); sdbCancelFetch(pSdb, pIter); sdbRelease(pSdb, pVgroup); return -1; } sdbRelease(pSdb, pVgroup); } return 0; } static int32_t mndSetCreateStbUndoActions(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SStbObj *pStb) { SSdb *pSdb = pMnode->pSdb; SVgObj *pVgroup = NULL; void *pIter = NULL; while (1) { pIter = sdbFetch(pSdb, SDB_VGROUP, pIter, (void **)&pVgroup); if (pIter == NULL) break; if (!mndVgroupInDb(pVgroup, pDb->uid)) { sdbRelease(pSdb, pVgroup); continue; } int32_t contLen = 0; void *pReq = mndBuildVDropStbReq(pMnode, pVgroup, pStb, &contLen); if (pReq == NULL) { sdbCancelFetch(pSdb, pIter); sdbRelease(pSdb, pVgroup); terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } STransAction action = {0}; action.epSet = mndGetVgroupEpset(pMnode, pVgroup); action.pCont = pReq; action.contLen = contLen; action.msgType = TDMT_VND_DROP_STB; action.acceptableCode = TSDB_CODE_TDB_STB_NOT_EXIST; if (mndTransAppendUndoAction(pTrans, &action) != 0) { taosMemoryFree(pReq); sdbCancelFetch(pSdb, pIter); sdbRelease(pSdb, pVgroup); return -1; } sdbRelease(pSdb, pVgroup); } return 0; } static SSchema *mndFindStbColumns(const SStbObj *pStb, const char *colName) { for (int32_t col = 0; col < pStb->numOfColumns; ++col) { SSchema *pSchema = &pStb->pColumns[col]; if (strncasecmp(pSchema->name, colName, TSDB_COL_NAME_LEN) == 0) { return pSchema; } } return NULL; } int32_t mndBuildStbFromReq(SMnode *pMnode, SStbObj *pDst, SMCreateStbReq *pCreate, SDbObj *pDb) { memcpy(pDst->name, pCreate->name, TSDB_TABLE_FNAME_LEN); memcpy(pDst->db, pDb->name, TSDB_DB_FNAME_LEN); pDst->createdTime = taosGetTimestampMs(); pDst->updateTime = pDst->createdTime; pDst->uid = (pCreate->source == TD_REQ_FROM_TAOX) ? pCreate->suid : mndGenerateUid(pCreate->name, TSDB_TABLE_FNAME_LEN); pDst->dbUid = pDb->uid; pDst->tagVer = 1; pDst->colVer = 1; pDst->smaVer = 1; pDst->nextColId = 1; pDst->maxdelay[0] = pCreate->delay1; pDst->maxdelay[1] = pCreate->delay2; pDst->watermark[0] = pCreate->watermark1; pDst->watermark[1] = pCreate->watermark2; pDst->ttl = pCreate->ttl; pDst->numOfColumns = pCreate->numOfColumns; pDst->numOfTags = pCreate->numOfTags; pDst->numOfFuncs = pCreate->numOfFuncs; pDst->commentLen = pCreate->commentLen; pDst->pFuncs = pCreate->pFuncs; pCreate->pFuncs = NULL; if (pDst->commentLen > 0) { pDst->comment = taosMemoryCalloc(pDst->commentLen + 1, 1); if (pDst->comment == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } memcpy(pDst->comment, pCreate->pComment, pDst->commentLen + 1); } pDst->ast1Len = pCreate->ast1Len; if (pDst->ast1Len > 0) { pDst->pAst1 = taosMemoryCalloc(pDst->ast1Len, 1); if (pDst->pAst1 == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } memcpy(pDst->pAst1, pCreate->pAst1, pDst->ast1Len); } pDst->ast2Len = pCreate->ast2Len; if (pDst->ast2Len > 0) { pDst->pAst2 = taosMemoryCalloc(pDst->ast2Len, 1); if (pDst->pAst2 == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } memcpy(pDst->pAst2, pCreate->pAst2, pDst->ast2Len); } pDst->pColumns = taosMemoryCalloc(1, pDst->numOfColumns * sizeof(SSchema)); pDst->pTags = taosMemoryCalloc(1, pDst->numOfTags * sizeof(SSchema)); if (pDst->pColumns == NULL || pDst->pTags == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } for (int32_t i = 0; i < pDst->numOfColumns; ++i) { SField *pField = taosArrayGet(pCreate->pColumns, i); SSchema *pSchema = &pDst->pColumns[i]; pSchema->type = pField->type; pSchema->bytes = pField->bytes; pSchema->flags = pField->flags; memcpy(pSchema->name, pField->name, TSDB_COL_NAME_LEN); pSchema->colId = pDst->nextColId; pDst->nextColId++; } for (int32_t i = 0; i < pDst->numOfTags; ++i) { SField *pField = taosArrayGet(pCreate->pTags, i); SSchema *pSchema = &pDst->pTags[i]; pSchema->type = pField->type; pSchema->bytes = pField->bytes; memcpy(pSchema->name, pField->name, TSDB_COL_NAME_LEN); pSchema->colId = pDst->nextColId; pDst->nextColId++; } return 0; } static int32_t mndCreateStb(SMnode *pMnode, SRpcMsg *pReq, SMCreateStbReq *pCreate, SDbObj *pDb) { SStbObj stbObj = {0}; int32_t code = -1; STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_ROLLBACK, TRN_CONFLICT_DB_INSIDE, pReq); if (pTrans == NULL) goto _OVER; mDebug("trans:%d, used to create stb:%s", pTrans->id, pCreate->name); if (mndBuildStbFromReq(pMnode, &stbObj, pCreate, pDb) != 0) goto _OVER; if (mndAddStbToTrans(pMnode, pTrans, pDb, &stbObj) < 0) goto _OVER; if (mndTransPrepare(pMnode, pTrans) != 0) goto _OVER; code = 0; _OVER: mndTransDrop(pTrans); mndStbActionDelete(pMnode->pSdb, &stbObj); return code; } int32_t mndAddStbToTrans(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SStbObj *pStb) { mndTransSetDbName(pTrans, pDb->name, pStb->name); if (mndSetCreateStbRedoLogs(pMnode, pTrans, pDb, pStb) != 0) return -1; if (mndSetCreateStbUndoLogs(pMnode, pTrans, pDb, pStb) != 0) return -1; if (mndSetCreateStbCommitLogs(pMnode, pTrans, pDb, pStb) != 0) return -1; if (mndSetCreateStbRedoActions(pMnode, pTrans, pDb, pStb) != 0) return -1; if (mndSetCreateStbUndoActions(pMnode, pTrans, pDb, pStb) != 0) return -1; return 0; } static int32_t mndProcessTtlTimer(SRpcMsg *pReq) { SMnode *pMnode = pReq->info.node; SSdb *pSdb = pMnode->pSdb; SVgObj *pVgroup = NULL; void *pIter = NULL; SVDropTtlTableReq ttlReq = {.timestamp = taosGetTimestampSec()}; int32_t reqLen = tSerializeSVDropTtlTableReq(NULL, 0, &ttlReq); int32_t contLen = reqLen + sizeof(SMsgHead); while (1) { pIter = sdbFetch(pSdb, SDB_VGROUP, pIter, (void **)&pVgroup); if (pIter == NULL) break; SMsgHead *pHead = rpcMallocCont(contLen); if (pHead == NULL) { sdbCancelFetch(pSdb, pVgroup); sdbRelease(pSdb, pVgroup); continue; } pHead->contLen = htonl(contLen); pHead->vgId = htonl(pVgroup->vgId); tSerializeSVDropTtlTableReq((char *)pHead + sizeof(SMsgHead), contLen, &ttlReq); SRpcMsg rpcMsg = {.msgType = TDMT_VND_DROP_TTL_TABLE, .pCont = pHead, .contLen = contLen}; SEpSet epSet = mndGetVgroupEpset(pMnode, pVgroup); int32_t code = tmsgSendReq(&epSet, &rpcMsg); if (code != 0) { mError("vgId:%d, failed to send drop ttl table request to vnode since 0x%x", pVgroup->vgId, code); } else { mDebug("vgId:%d, send drop ttl table request to vnode, time:%d", pVgroup->vgId, ttlReq.timestamp); } sdbRelease(pSdb, pVgroup); } return 0; } static int32_t mndFindSuperTableTagIndex(const SStbObj *pStb, const char *tagName) { for (int32_t tag = 0; tag < pStb->numOfTags; tag++) { if (strcasecmp(pStb->pTags[tag].name, tagName) == 0) { return tag; } } return -1; } static int32_t mndFindSuperTableColumnIndex(const SStbObj *pStb, const char *colName) { for (int32_t col = 0; col < pStb->numOfColumns; col++) { if (strcasecmp(pStb->pColumns[col].name, colName) == 0) { return col; } } return -1; } static int32_t mndBuildStbFromAlter(SStbObj *pStb, SStbObj *pDst, SMCreateStbReq *createReq) { taosRLockLatch(&pStb->lock); memcpy(pDst, pStb, sizeof(SStbObj)); taosRUnLockLatch(&pStb->lock); pDst->updateTime = taosGetTimestampMs(); pDst->numOfColumns = createReq->numOfColumns; pDst->numOfTags = createReq->numOfTags; pDst->pColumns = taosMemoryCalloc(1, pDst->numOfColumns * sizeof(SSchema)); pDst->pTags = taosMemoryCalloc(1, pDst->numOfTags * sizeof(SSchema)); if (pDst->pColumns == NULL || pDst->pTags == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } for (int32_t i = 0; i < pDst->numOfColumns; ++i) { SField *pField = taosArrayGet(createReq->pColumns, i); SSchema *pSchema = &pDst->pColumns[i]; pSchema->type = pField->type; pSchema->bytes = pField->bytes; pSchema->flags = pField->flags; memcpy(pSchema->name, pField->name, TSDB_COL_NAME_LEN); int32_t cIndex = mndFindSuperTableColumnIndex(pStb, pField->name); if (cIndex >= 0) { pSchema->colId = pStb->pColumns[cIndex].colId; } else { pSchema->colId = pDst->nextColId++; } } for (int32_t i = 0; i < pDst->numOfTags; ++i) { SField *pField = taosArrayGet(createReq->pTags, i); SSchema *pSchema = &pDst->pTags[i]; pSchema->type = pField->type; pSchema->bytes = pField->bytes; memcpy(pSchema->name, pField->name, TSDB_COL_NAME_LEN); int32_t cIndex = mndFindSuperTableTagIndex(pStb, pField->name); if (cIndex >= 0) { pSchema->colId = pStb->pTags[cIndex].colId; } else { pSchema->colId = pDst->nextColId++; } } pDst->tagVer = createReq->tagVer; pDst->colVer = createReq->colVer; return TSDB_CODE_SUCCESS; } static int32_t mndProcessCreateStbReq(SRpcMsg *pReq) { SMnode *pMnode = pReq->info.node; int32_t code = -1; SStbObj *pStb = NULL; SDbObj *pDb = NULL; SMCreateStbReq createReq = {0}; bool isAlter = false; if (tDeserializeSMCreateStbReq(pReq->pCont, pReq->contLen, &createReq) != 0) { terrno = TSDB_CODE_INVALID_MSG; goto _OVER; } mDebug("stb:%s, start to create", createReq.name); if (mndCheckCreateStbReq(&createReq) != 0) { terrno = TSDB_CODE_INVALID_MSG; goto _OVER; } pStb = mndAcquireStb(pMnode, createReq.name); if (pStb != NULL) { if (createReq.igExists) { if (createReq.source == TD_REQ_FROM_APP) { mDebug("stb:%s, already exist, ignore exist is set", createReq.name); code = 0; goto _OVER; } else if (pStb->uid != createReq.suid) { mError("stb:%s, already exist while create, input suid:%" PRId64 " not match with exist suid:%" PRId64, createReq.name, createReq.suid, pStb->uid); terrno = TSDB_CODE_MND_STABLE_UID_NOT_MATCH; goto _OVER; } else if (createReq.tagVer > 0 || createReq.colVer > 0) { int32_t tagDelta = createReq.tagVer - pStb->tagVer; int32_t colDelta = createReq.colVer - pStb->colVer; int32_t verDelta = tagDelta + colDelta; mInfo("stb:%s, already exist while create, input tagVer:%d colVer:%d, exist tagVer:%d colVer:%d", createReq.name, createReq.tagVer, createReq.colVer, pStb->tagVer, pStb->colVer); if (tagDelta <= 0 && colDelta <= 0) { mInfo("stb:%s, schema version is not incremented and nothing needs to be done", createReq.name); code = 0; goto _OVER; } else if ((tagDelta == 1 || colDelta == 1) && (verDelta == 1)) { isAlter = true; mInfo("stb:%s, schema version is only increased by 1 number, do alter operation", createReq.name); } else { mError("stb:%s, schema version increase more than 1 number, error is returned", createReq.name); terrno = TSDB_CODE_MND_INVALID_SCHEMA_VER; goto _OVER; } } else { mError("stb:%s, already exist while create, input tagVer:%d colVer:%d is invalid", createReq.name, createReq.tagVer, createReq.colVer, pStb->tagVer, pStb->colVer); terrno = TSDB_CODE_MND_INVALID_SCHEMA_VER; goto _OVER; } } else { terrno = TSDB_CODE_MND_STB_ALREADY_EXIST; goto _OVER; } } else if (terrno != TSDB_CODE_MND_STB_NOT_EXIST) { goto _OVER; } else if (createReq.source == TD_REQ_FROM_TAOX && (createReq.tagVer != 1 || createReq.colVer != 1)) { mInfo("stb:%s, alter table does not need to be done, because table is deleted", createReq.name); code = 0; goto _OVER; } pDb = mndAcquireDbByStb(pMnode, createReq.name); if (pDb == NULL) { terrno = TSDB_CODE_MND_DB_NOT_SELECTED; goto _OVER; } if (mndCheckDbPrivilege(pMnode, pReq->info.conn.user, MND_OPER_WRITE_DB, pDb) != 0) { goto _OVER; } int32_t numOfStbs = -1; if (mndGetNumOfStbs(pMnode, pDb->name, &numOfStbs) != 0) { goto _OVER; } if (pDb->cfg.numOfStables == 1 && numOfStbs != 0) { terrno = TSDB_CODE_MND_SINGLE_STB_MODE_DB; goto _OVER; } if ((terrno = grantCheck(TSDB_GRANT_STABLE)) < 0) { code = -1; goto _OVER; } if (isAlter) { bool needRsp = false; SStbObj pDst = {0}; if (mndBuildStbFromAlter(pStb, &pDst, &createReq) != 0) { taosMemoryFreeClear(pDst.pTags); taosMemoryFreeClear(pDst.pColumns); goto _OVER; } code = mndAlterStbImp(pMnode, pReq, pDb, &pDst, needRsp, NULL, 0); taosMemoryFreeClear(pDst.pTags); taosMemoryFreeClear(pDst.pColumns); } else { code = mndCreateStb(pMnode, pReq, &createReq, pDb); } if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS; _OVER: if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) { mError("stb:%s, failed to create since %s", createReq.name, terrstr()); } mndReleaseStb(pMnode, pStb); mndReleaseDb(pMnode, pDb); tFreeSMCreateStbReq(&createReq); return code; } static int32_t mndCheckAlterStbReq(SMAlterStbReq *pAlter) { if (pAlter->commentLen >= 0) return 0; if (pAlter->ttl != 0) return 0; if (pAlter->numOfFields < 1 || pAlter->numOfFields != (int32_t)taosArrayGetSize(pAlter->pFields)) { terrno = TSDB_CODE_MND_INVALID_STB_OPTION; return -1; } for (int32_t i = 0; i < pAlter->numOfFields; ++i) { SField *pField = taosArrayGet(pAlter->pFields, i); if (pField->name[0] == 0) { terrno = TSDB_CODE_MND_INVALID_STB_OPTION; return -1; } } return 0; } static int32_t mndAllocStbSchemas(const SStbObj *pOld, SStbObj *pNew) { pNew->pTags = taosMemoryCalloc(pNew->numOfTags, sizeof(SSchema)); pNew->pColumns = taosMemoryCalloc(pNew->numOfColumns, sizeof(SSchema)); if (pNew->pTags == NULL || pNew->pColumns == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } memcpy(pNew->pColumns, pOld->pColumns, sizeof(SSchema) * pOld->numOfColumns); memcpy(pNew->pTags, pOld->pTags, sizeof(SSchema) * pOld->numOfTags); return 0; } static int32_t mndUpdateStbCommentAndTTL(const SStbObj *pOld, SStbObj *pNew, char *pComment, int32_t commentLen, int32_t ttl) { if (commentLen > 0) { pNew->commentLen = commentLen; pNew->comment = taosMemoryCalloc(1, commentLen + 1); if (pNew->comment == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } memcpy(pNew->comment, pComment, commentLen + 1); } else if (commentLen == 0) { pNew->commentLen = 0; } else { } if (ttl >= 0) { pNew->ttl = ttl; } if (mndAllocStbSchemas(pOld, pNew) != 0) { return -1; } return 0; } static int32_t mndAddSuperTableTag(const SStbObj *pOld, SStbObj *pNew, SArray *pFields, int32_t ntags) { if (pOld->numOfTags + ntags > TSDB_MAX_TAGS) { terrno = TSDB_CODE_MND_TOO_MANY_TAGS; return -1; } if (pOld->numOfColumns + ntags + pOld->numOfTags > TSDB_MAX_COLUMNS) { terrno = TSDB_CODE_MND_TOO_MANY_COLUMNS; return -1; } pNew->numOfTags = pNew->numOfTags + ntags; if (mndAllocStbSchemas(pOld, pNew) != 0) { return -1; } for (int32_t i = 0; i < ntags; i++) { SField *pField = taosArrayGet(pFields, i); if (mndFindSuperTableColumnIndex(pOld, pField->name) >= 0) { terrno = TSDB_CODE_MND_COLUMN_ALREADY_EXIST; return -1; } if (mndFindSuperTableTagIndex(pOld, pField->name) >= 0) { terrno = TSDB_CODE_MND_TAG_ALREADY_EXIST; return -1; } SSchema *pSchema = &pNew->pTags[pOld->numOfTags + i]; pSchema->bytes = pField->bytes; pSchema->type = pField->type; memcpy(pSchema->name, pField->name, TSDB_COL_NAME_LEN); pSchema->colId = pNew->nextColId; pNew->nextColId++; mDebug("stb:%s, start to add tag %s", pNew->name, pSchema->name); } pNew->tagVer++; return 0; } static int32_t mndCheckAlterColForTopic(SMnode *pMnode, const char *stbFullName, int64_t suid, col_id_t colId) { SSdb *pSdb = pMnode->pSdb; void *pIter = NULL; while (1) { SMqTopicObj *pTopic = NULL; pIter = sdbFetch(pSdb, SDB_TOPIC, pIter, (void **)&pTopic); if (pIter == NULL) break; mDebug("topic:%s, check tag and column modifiable, stb:%s suid:%" PRId64 " colId:%d, subType:%d sql:%s", pTopic->name, stbFullName, suid, colId, pTopic->subType, pTopic->sql); if (pTopic->subType != TOPIC_SUB_TYPE__COLUMN) { sdbRelease(pSdb, pTopic); continue; } SNode *pAst = NULL; if (nodesStringToNode(pTopic->ast, &pAst) != 0) { ASSERT(0); return -1; } SNodeList *pNodeList = NULL; nodesCollectColumns((SSelectStmt *)pAst, SQL_CLAUSE_FROM, NULL, COLLECT_COL_TYPE_ALL, &pNodeList); SNode *pNode = NULL; FOREACH(pNode, pNodeList) { SColumnNode *pCol = (SColumnNode *)pNode; mDebug("topic:%s, check colId:%d tableId:%" PRId64 " ctbStbUid:%" PRId64, pTopic->name, pCol->colId, pCol->tableId, pTopic->ctbStbUid); if (pCol->tableId != suid && pTopic->ctbStbUid != suid) { mDebug("topic:%s, check colId:%d passed", pTopic->name, pCol->colId); goto NEXT; } if (pCol->colId > 0 && pCol->colId == colId) { sdbRelease(pSdb, pTopic); nodesDestroyNode(pAst); terrno = TSDB_CODE_MND_FIELD_CONFLICT_WITH_TOPIC; mError("topic:%s, check colId:%d conflicted", pTopic->name, pCol->colId); return -1; } mDebug("topic:%s, check colId:%d passed", pTopic->name, pCol->colId); } NEXT: sdbRelease(pSdb, pTopic); nodesDestroyNode(pAst); } return 0; } static int32_t mndCheckAlterColForStream(SMnode *pMnode, const char *stbFullName, int64_t suid, col_id_t colId) { SSdb *pSdb = pMnode->pSdb; void *pIter = NULL; while (1) { SStreamObj *pStream = NULL; pIter = sdbFetch(pSdb, SDB_STREAM, pIter, (void **)&pStream); if (pIter == NULL) break; SNode *pAst = NULL; if (nodesStringToNode(pStream->ast, &pAst) != 0) { ASSERT(0); return -1; } SNodeList *pNodeList = NULL; nodesCollectColumns((SSelectStmt *)pAst, SQL_CLAUSE_FROM, NULL, COLLECT_COL_TYPE_ALL, &pNodeList); SNode *pNode = NULL; FOREACH(pNode, pNodeList) { SColumnNode *pCol = (SColumnNode *)pNode; if (pCol->tableId != suid) { mDebug("stream:%s, check colId:%d passed", pStream->name, pCol->colId); goto NEXT; } if (pCol->colId > 0 && pCol->colId == colId) { sdbRelease(pSdb, pStream); nodesDestroyNode(pAst); terrno = TSDB_CODE_MND_STREAM_MUST_BE_DELETED; mError("stream:%s, check colId:%d conflicted", pStream->name, pCol->colId); return -1; } mDebug("stream:%s, check colId:%d passed", pStream->name, pCol->colId); } NEXT: sdbRelease(pSdb, pStream); nodesDestroyNode(pAst); } return 0; } static int32_t mndCheckAlterColForTSma(SMnode *pMnode, const char *stbFullName, int64_t suid, col_id_t colId) { SSdb *pSdb = pMnode->pSdb; void *pIter = NULL; while (1) { SSmaObj *pSma = NULL; pIter = sdbFetch(pSdb, SDB_SMA, pIter, (void **)&pSma); if (pIter == NULL) break; mDebug("tsma:%s, check tag and column modifiable, stb:%s suid:%" PRId64 " colId:%d, sql:%s", pSma->name, stbFullName, suid, colId, pSma->sql); SNode *pAst = NULL; if (nodesStringToNode(pSma->ast, &pAst) != 0) { terrno = TSDB_CODE_SDB_INVALID_DATA_CONTENT; mError("tsma:%s, check tag and column modifiable, stb:%s suid:%" PRId64 " colId:%d failed since parse AST err", pSma->name, stbFullName, suid, colId); return -1; } SNodeList *pNodeList = NULL; nodesCollectColumns((SSelectStmt *)pAst, SQL_CLAUSE_FROM, NULL, COLLECT_COL_TYPE_ALL, &pNodeList); SNode *pNode = NULL; FOREACH(pNode, pNodeList) { SColumnNode *pCol = (SColumnNode *)pNode; mDebug("tsma:%s, check colId:%d tableId:%" PRId64, pSma->name, pCol->colId, pCol->tableId); if ((pCol->tableId != suid) && (pSma->stbUid != suid)) { mDebug("tsma:%s, check colId:%d passed", pSma->name, pCol->colId); goto NEXT; } if ((pCol->colId) > 0 && (pCol->colId == colId)) { sdbRelease(pSdb, pSma); nodesDestroyNode(pAst); terrno = TSDB_CODE_MND_FIELD_CONFLICT_WITH_TSMA; mError("tsma:%s, check colId:%d conflicted", pSma->name, pCol->colId); return -1; } mDebug("tsma:%s, check colId:%d passed", pSma->name, pCol->colId); } NEXT: sdbRelease(pSdb, pSma); nodesDestroyNode(pAst); } return 0; } int32_t mndCheckColAndTagModifiable(SMnode *pMnode, const char *stbFullName, int64_t suid, col_id_t colId) { if (mndCheckAlterColForTopic(pMnode, stbFullName, suid, colId) < 0) { return -1; } if (mndCheckAlterColForStream(pMnode, stbFullName, suid, colId) < 0) { return -1; } if (mndCheckAlterColForTSma(pMnode, stbFullName, suid, colId) < 0) { return -1; } return 0; } static int32_t mndDropSuperTableTag(SMnode *pMnode, const SStbObj *pOld, SStbObj *pNew, const char *tagName) { int32_t tag = mndFindSuperTableTagIndex(pOld, tagName); if (tag < 0) { terrno = TSDB_CODE_MND_TAG_NOT_EXIST; return -1; } col_id_t colId = pOld->pTags[tag].colId; if (mndCheckColAndTagModifiable(pMnode, pOld->name, pOld->uid, colId) != 0) { return -1; } if (mndAllocStbSchemas(pOld, pNew) != 0) { return -1; } memmove(pNew->pTags + tag, pNew->pTags + tag + 1, sizeof(SSchema) * (pNew->numOfTags - tag - 1)); pNew->numOfTags--; pNew->tagVer++; mDebug("stb:%s, start to drop tag %s", pNew->name, tagName); return 0; } static int32_t mndAlterStbTagName(SMnode *pMnode, const SStbObj *pOld, SStbObj *pNew, SArray *pFields) { if ((int32_t)taosArrayGetSize(pFields) != 2) { terrno = TSDB_CODE_MND_INVALID_STB_OPTION; return -1; } SField *pField0 = taosArrayGet(pFields, 0); SField *pField1 = taosArrayGet(pFields, 1); const char *oldTagName = pField0->name; const char *newTagName = pField1->name; int32_t tag = mndFindSuperTableTagIndex(pOld, oldTagName); if (tag < 0) { terrno = TSDB_CODE_MND_TAG_NOT_EXIST; return -1; } col_id_t colId = pOld->pTags[tag].colId; if (mndCheckColAndTagModifiable(pMnode, pOld->name, pOld->uid, colId) != 0) { return -1; } if (mndFindSuperTableTagIndex(pOld, newTagName) >= 0) { terrno = TSDB_CODE_MND_TAG_ALREADY_EXIST; return -1; } if (mndFindSuperTableColumnIndex(pOld, newTagName) >= 0) { terrno = TSDB_CODE_MND_COLUMN_ALREADY_EXIST; return -1; } if (mndAllocStbSchemas(pOld, pNew) != 0) { return -1; } SSchema *pSchema = (SSchema *)(pNew->pTags + tag); memcpy(pSchema->name, newTagName, TSDB_COL_NAME_LEN); pNew->tagVer++; mDebug("stb:%s, start to modify tag %s to %s", pNew->name, oldTagName, newTagName); return 0; } static int32_t mndAlterStbTagBytes(SMnode *pMnode, const SStbObj *pOld, SStbObj *pNew, const SField *pField) { int32_t tag = mndFindSuperTableTagIndex(pOld, pField->name); if (tag < 0) { terrno = TSDB_CODE_MND_TAG_NOT_EXIST; return -1; } col_id_t colId = pOld->pTags[tag].colId; if (mndCheckColAndTagModifiable(pMnode, pOld->name, pOld->uid, colId) != 0) { return -1; } if (mndAllocStbSchemas(pOld, pNew) != 0) { return -1; } SSchema *pTag = pNew->pTags + tag; if (!(pTag->type == TSDB_DATA_TYPE_BINARY || pTag->type == TSDB_DATA_TYPE_NCHAR)) { terrno = TSDB_CODE_MND_INVALID_STB_OPTION; return -1; } if (pField->bytes <= pTag->bytes) { terrno = TSDB_CODE_MND_INVALID_ROW_BYTES; return -1; } pTag->bytes = pField->bytes; pNew->tagVer++; mDebug("stb:%s, start to modify tag len %s to %d", pNew->name, pField->name, pField->bytes); return 0; } static int32_t mndAddSuperTableColumn(const SStbObj *pOld, SStbObj *pNew, SArray *pFields, int32_t ncols) { if (pOld->numOfColumns + ncols + pOld->numOfTags > TSDB_MAX_COLUMNS) { terrno = TSDB_CODE_MND_TOO_MANY_COLUMNS; return -1; } pNew->numOfColumns = pNew->numOfColumns + ncols; if (mndAllocStbSchemas(pOld, pNew) != 0) { return -1; } for (int32_t i = 0; i < ncols; i++) { SField *pField = taosArrayGet(pFields, i); if (mndFindSuperTableColumnIndex(pOld, pField->name) >= 0) { terrno = TSDB_CODE_MND_COLUMN_ALREADY_EXIST; return -1; } if (mndFindSuperTableTagIndex(pOld, pField->name) >= 0) { terrno = TSDB_CODE_MND_TAG_ALREADY_EXIST; return -1; } SSchema *pSchema = &pNew->pColumns[pOld->numOfColumns + i]; pSchema->bytes = pField->bytes; pSchema->type = pField->type; memcpy(pSchema->name, pField->name, TSDB_COL_NAME_LEN); pSchema->colId = pNew->nextColId; pNew->nextColId++; mDebug("stb:%s, start to add column %s", pNew->name, pSchema->name); } pNew->colVer++; return 0; } static int32_t mndDropSuperTableColumn(SMnode *pMnode, const SStbObj *pOld, SStbObj *pNew, const char *colName) { int32_t col = mndFindSuperTableColumnIndex(pOld, colName); if (col < 0) { terrno = TSDB_CODE_MND_COLUMN_NOT_EXIST; return -1; } if (col == 0) { terrno = TSDB_CODE_MND_INVALID_STB_ALTER_OPTION; return -1; } if (pOld->numOfColumns == 2) { terrno = TSDB_CODE_MND_INVALID_STB_ALTER_OPTION; return -1; } col_id_t colId = pOld->pColumns[col].colId; if (mndCheckColAndTagModifiable(pMnode, pOld->name, pOld->uid, colId) != 0) { return -1; } if (mndAllocStbSchemas(pOld, pNew) != 0) { return -1; } memmove(pNew->pColumns + col, pNew->pColumns + col + 1, sizeof(SSchema) * (pNew->numOfColumns - col - 1)); pNew->numOfColumns--; pNew->colVer++; mDebug("stb:%s, start to drop col %s", pNew->name, colName); return 0; } static int32_t mndAlterStbColumnBytes(SMnode *pMnode, const SStbObj *pOld, SStbObj *pNew, const SField *pField) { int32_t col = mndFindSuperTableColumnIndex(pOld, pField->name); if (col < 0) { terrno = TSDB_CODE_MND_COLUMN_NOT_EXIST; return -1; } uint32_t nLen = 0; for (int32_t i = 0; i < pOld->numOfColumns; ++i) { nLen += (pOld->pColumns[i].colId == col) ? pField->bytes : pOld->pColumns[i].bytes; } if (nLen > TSDB_MAX_BYTES_PER_ROW) { terrno = TSDB_CODE_MND_INVALID_ROW_BYTES; return -1; } col_id_t colId = pOld->pColumns[col].colId; if (mndCheckColAndTagModifiable(pMnode, pOld->name, pOld->uid, colId) != 0) { return -1; } if (mndAllocStbSchemas(pOld, pNew) != 0) { return -1; } SSchema *pCol = pNew->pColumns + col; if (!(pCol->type == TSDB_DATA_TYPE_BINARY || pCol->type == TSDB_DATA_TYPE_NCHAR)) { terrno = TSDB_CODE_MND_INVALID_STB_OPTION; return -1; } if (pField->bytes <= pCol->bytes) { terrno = TSDB_CODE_MND_INVALID_ROW_BYTES; return -1; } pCol->bytes = pField->bytes; pNew->colVer++; mDebug("stb:%s, start to modify col len %s to %d", pNew->name, pField->name, pField->bytes); return 0; } static int32_t mndSetAlterStbRedoLogs(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SStbObj *pStb) { SSdbRaw *pRedoRaw = mndStbActionEncode(pStb); if (pRedoRaw == NULL) return -1; if (mndTransAppendRedolog(pTrans, pRedoRaw) != 0) { sdbFreeRaw(pRedoRaw); return -1; } if (sdbSetRawStatus(pRedoRaw, SDB_STATUS_READY) != 0) return -1; return 0; } static int32_t mndSetAlterStbCommitLogs(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SStbObj *pStb) { SSdbRaw *pCommitRaw = mndStbActionEncode(pStb); if (pCommitRaw == NULL) return -1; if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) { sdbFreeRaw(pCommitRaw); return -1; } if (sdbSetRawStatus(pCommitRaw, SDB_STATUS_READY) != 0) return -1; return 0; } static int32_t mndSetAlterStbRedoActions(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SStbObj *pStb, void *alterOriData, int32_t alterOriDataLen) { SSdb *pSdb = pMnode->pSdb; SVgObj *pVgroup = NULL; void *pIter = NULL; int32_t contLen; while (1) { pIter = sdbFetch(pSdb, SDB_VGROUP, pIter, (void **)&pVgroup); if (pIter == NULL) break; if (!mndVgroupInDb(pVgroup, pDb->uid)) { sdbRelease(pSdb, pVgroup); continue; } void *pReq = mndBuildVCreateStbReq(pMnode, pVgroup, pStb, &contLen, alterOriData, alterOriDataLen); if (pReq == NULL) { sdbCancelFetch(pSdb, pIter); sdbRelease(pSdb, pVgroup); return -1; } STransAction action = {0}; action.epSet = mndGetVgroupEpset(pMnode, pVgroup); action.pCont = pReq; action.contLen = contLen; action.msgType = TDMT_VND_ALTER_STB; if (mndTransAppendRedoAction(pTrans, &action) != 0) { taosMemoryFree(pReq); sdbCancelFetch(pSdb, pIter); sdbRelease(pSdb, pVgroup); return -1; } sdbRelease(pSdb, pVgroup); } return 0; } static int32_t mndBuildStbSchemaImp(SDbObj *pDb, SStbObj *pStb, const char *tbName, STableMetaRsp *pRsp) { taosRLockLatch(&pStb->lock); int32_t totalCols = pStb->numOfColumns + pStb->numOfTags; pRsp->pSchemas = taosMemoryCalloc(totalCols, sizeof(SSchema)); if (pRsp->pSchemas == NULL) { taosRUnLockLatch(&pStb->lock); terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } strcpy(pRsp->dbFName, pStb->db); strcpy(pRsp->tbName, tbName); strcpy(pRsp->stbName, tbName); pRsp->dbId = pDb->uid; pRsp->numOfTags = pStb->numOfTags; pRsp->numOfColumns = pStb->numOfColumns; pRsp->precision = pDb->cfg.precision; pRsp->tableType = TSDB_SUPER_TABLE; pRsp->sversion = pStb->colVer; pRsp->tversion = pStb->tagVer; pRsp->suid = pStb->uid; pRsp->tuid = pStb->uid; for (int32_t i = 0; i < pStb->numOfColumns; ++i) { SSchema *pSchema = &pRsp->pSchemas[i]; SSchema *pSrcSchema = &pStb->pColumns[i]; memcpy(pSchema->name, pSrcSchema->name, TSDB_COL_NAME_LEN); pSchema->type = pSrcSchema->type; pSchema->colId = pSrcSchema->colId; pSchema->bytes = pSrcSchema->bytes; } for (int32_t i = 0; i < pStb->numOfTags; ++i) { SSchema *pSchema = &pRsp->pSchemas[i + pStb->numOfColumns]; SSchema *pSrcSchema = &pStb->pTags[i]; memcpy(pSchema->name, pSrcSchema->name, TSDB_COL_NAME_LEN); pSchema->type = pSrcSchema->type; pSchema->colId = pSrcSchema->colId; pSchema->bytes = pSrcSchema->bytes; } taosRUnLockLatch(&pStb->lock); return 0; } static int32_t mndBuildStbCfgImp(SDbObj *pDb, SStbObj *pStb, const char *tbName, STableCfgRsp *pRsp) { taosRLockLatch(&pStb->lock); int32_t totalCols = pStb->numOfColumns + pStb->numOfTags; pRsp->pSchemas = taosMemoryCalloc(totalCols, sizeof(SSchema)); if (pRsp->pSchemas == NULL) { taosRUnLockLatch(&pStb->lock); terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } strcpy(pRsp->dbFName, pStb->db); strcpy(pRsp->tbName, tbName); strcpy(pRsp->stbName, tbName); pRsp->numOfTags = pStb->numOfTags; pRsp->numOfColumns = pStb->numOfColumns; pRsp->tableType = TSDB_SUPER_TABLE; pRsp->delay1 = pStb->maxdelay[0]; pRsp->delay2 = pStb->maxdelay[1]; pRsp->watermark1 = pStb->watermark[0]; pRsp->watermark2 = pStb->watermark[1]; pRsp->ttl = pStb->ttl; pRsp->commentLen = pStb->commentLen; if (pStb->commentLen > 0) { pRsp->pComment = strdup(pStb->comment); } for (int32_t i = 0; i < pStb->numOfColumns; ++i) { SSchema *pSchema = &pRsp->pSchemas[i]; SSchema *pSrcSchema = &pStb->pColumns[i]; memcpy(pSchema->name, pSrcSchema->name, TSDB_COL_NAME_LEN); pSchema->type = pSrcSchema->type; pSchema->colId = pSrcSchema->colId; pSchema->bytes = pSrcSchema->bytes; } for (int32_t i = 0; i < pStb->numOfTags; ++i) { SSchema *pSchema = &pRsp->pSchemas[i + pStb->numOfColumns]; SSchema *pSrcSchema = &pStb->pTags[i]; memcpy(pSchema->name, pSrcSchema->name, TSDB_COL_NAME_LEN); pSchema->type = pSrcSchema->type; pSchema->colId = pSrcSchema->colId; pSchema->bytes = pSrcSchema->bytes; } if (pStb->numOfFuncs > 0) { pRsp->pFuncs = taosArrayDup(pStb->pFuncs); } taosRUnLockLatch(&pStb->lock); return 0; } static int32_t mndBuildStbSchema(SMnode *pMnode, const char *dbFName, const char *tbName, STableMetaRsp *pRsp, int32_t *smaVer) { char tbFName[TSDB_TABLE_FNAME_LEN] = {0}; snprintf(tbFName, sizeof(tbFName), "%s.%s", dbFName, tbName); SDbObj *pDb = mndAcquireDb(pMnode, dbFName); if (pDb == NULL) { terrno = TSDB_CODE_MND_DB_NOT_SELECTED; return -1; } SStbObj *pStb = mndAcquireStb(pMnode, tbFName); if (pStb == NULL) { mndReleaseDb(pMnode, pDb); terrno = TSDB_CODE_PAR_TABLE_NOT_EXIST; return -1; } if (smaVer) { *smaVer = pStb->smaVer; } int32_t code = mndBuildStbSchemaImp(pDb, pStb, tbName, pRsp); mndReleaseDb(pMnode, pDb); mndReleaseStb(pMnode, pStb); return code; } static int32_t mndBuildStbCfg(SMnode *pMnode, const char *dbFName, const char *tbName, STableCfgRsp *pRsp) { char tbFName[TSDB_TABLE_FNAME_LEN] = {0}; snprintf(tbFName, sizeof(tbFName), "%s.%s", dbFName, tbName); SDbObj *pDb = mndAcquireDb(pMnode, dbFName); if (pDb == NULL) { terrno = TSDB_CODE_MND_DB_NOT_SELECTED; return -1; } SStbObj *pStb = mndAcquireStb(pMnode, tbFName); if (pStb == NULL) { mndReleaseDb(pMnode, pDb); terrno = TSDB_CODE_PAR_TABLE_NOT_EXIST; return -1; } int32_t code = mndBuildStbCfgImp(pDb, pStb, tbName, pRsp); mndReleaseDb(pMnode, pDb); mndReleaseStb(pMnode, pStb); return code; } static int32_t mndBuildSMAlterStbRsp(SDbObj *pDb, SStbObj *pObj, void **pCont, int32_t *pLen) { int32_t ret; SEncoder ec = {0}; uint32_t contLen = 0; SMAlterStbRsp alterRsp = {0}; SName name = {0}; tNameFromString(&name, pObj->name, T_NAME_ACCT | T_NAME_DB | T_NAME_TABLE); alterRsp.pMeta = taosMemoryCalloc(1, sizeof(STableMetaRsp)); if (NULL == alterRsp.pMeta) { terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } ret = mndBuildStbSchemaImp(pDb, pObj, name.tname, alterRsp.pMeta); if (ret) { tFreeSMAlterStbRsp(&alterRsp); return ret; } tEncodeSize(tEncodeSMAlterStbRsp, &alterRsp, contLen, ret); if (ret) { tFreeSMAlterStbRsp(&alterRsp); return ret; } void *cont = taosMemoryMalloc(contLen); tEncoderInit(&ec, cont, contLen); tEncodeSMAlterStbRsp(&ec, &alterRsp); tEncoderClear(&ec); tFreeSMAlterStbRsp(&alterRsp); *pCont = cont; *pLen = contLen; return 0; } int32_t mndBuildSMCreateStbRsp(SMnode *pMnode, char* dbFName, char* stbFName, void **pCont, int32_t *pLen) { int32_t ret = -1; SDbObj *pDb = mndAcquireDb(pMnode, dbFName); if (NULL == pDb) { return -1; } SStbObj *pObj = mndAcquireStb(pMnode, stbFName); if (NULL == pObj) { goto _OVER; } SEncoder ec = {0}; uint32_t contLen = 0; SMCreateStbRsp stbRsp = {0}; SName name = {0}; tNameFromString(&name, pObj->name, T_NAME_ACCT | T_NAME_DB | T_NAME_TABLE); stbRsp.pMeta = taosMemoryCalloc(1, sizeof(STableMetaRsp)); if (NULL == stbRsp.pMeta) { terrno = TSDB_CODE_OUT_OF_MEMORY; goto _OVER; } ret = mndBuildStbSchemaImp(pDb, pObj, name.tname, stbRsp.pMeta); if (ret) { tFreeSMCreateStbRsp(&stbRsp); goto _OVER; } tEncodeSize(tEncodeSMCreateStbRsp, &stbRsp, contLen, ret); if (ret) { tFreeSMCreateStbRsp(&stbRsp); goto _OVER; } void *cont = taosMemoryMalloc(contLen); tEncoderInit(&ec, cont, contLen); tEncodeSMCreateStbRsp(&ec, &stbRsp); tEncoderClear(&ec); tFreeSMCreateStbRsp(&stbRsp); *pCont = cont; *pLen = contLen; ret = 0; _OVER: if (pObj) { mndReleaseStb(pMnode, pObj); } if (pDb) { mndReleaseDb(pMnode, pDb); } return ret; } static int32_t mndAlterStbImp(SMnode *pMnode, SRpcMsg *pReq, SDbObj *pDb, SStbObj *pStb, bool needRsp, void *alterOriData, int32_t alterOriDataLen) { int32_t code = -1; STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_DB_INSIDE, pReq); if (pTrans == NULL) goto _OVER; mDebug("trans:%d, used to alter stb:%s", pTrans->id, pStb->name); mndTransSetDbName(pTrans, pDb->name, pStb->name); if (needRsp) { void *pCont = NULL; int32_t contLen = 0; if (mndBuildSMAlterStbRsp(pDb, pStb, &pCont, &contLen) != 0) goto _OVER; mndTransSetRpcRsp(pTrans, pCont, contLen); } if (mndSetAlterStbRedoLogs(pMnode, pTrans, pDb, pStb) != 0) goto _OVER; if (mndSetAlterStbCommitLogs(pMnode, pTrans, pDb, pStb) != 0) goto _OVER; if (mndSetAlterStbRedoActions(pMnode, pTrans, pDb, pStb, alterOriData, alterOriDataLen) != 0) goto _OVER; if (mndTransPrepare(pMnode, pTrans) != 0) goto _OVER; code = 0; _OVER: mndTransDrop(pTrans); return code; } static int32_t mndAlterStb(SMnode *pMnode, SRpcMsg *pReq, const SMAlterStbReq *pAlter, SDbObj *pDb, SStbObj *pOld) { bool needRsp = true; int32_t code = -1; SField *pField0 = NULL; SStbObj stbObj = {0}; taosRLockLatch(&pOld->lock); memcpy(&stbObj, pOld, sizeof(SStbObj)); taosRUnLockLatch(&pOld->lock); stbObj.pColumns = NULL; stbObj.pTags = NULL; stbObj.updateTime = taosGetTimestampMs(); stbObj.lock = 0; switch (pAlter->alterType) { case TSDB_ALTER_TABLE_ADD_TAG: code = mndAddSuperTableTag(pOld, &stbObj, pAlter->pFields, pAlter->numOfFields); break; case TSDB_ALTER_TABLE_DROP_TAG: pField0 = taosArrayGet(pAlter->pFields, 0); code = mndDropSuperTableTag(pMnode, pOld, &stbObj, pField0->name); break; case TSDB_ALTER_TABLE_UPDATE_TAG_NAME: code = mndAlterStbTagName(pMnode, pOld, &stbObj, pAlter->pFields); break; case TSDB_ALTER_TABLE_UPDATE_TAG_BYTES: pField0 = taosArrayGet(pAlter->pFields, 0); code = mndAlterStbTagBytes(pMnode, pOld, &stbObj, pField0); break; case TSDB_ALTER_TABLE_ADD_COLUMN: code = mndAddSuperTableColumn(pOld, &stbObj, pAlter->pFields, pAlter->numOfFields); break; case TSDB_ALTER_TABLE_DROP_COLUMN: pField0 = taosArrayGet(pAlter->pFields, 0); code = mndDropSuperTableColumn(pMnode, pOld, &stbObj, pField0->name); break; case TSDB_ALTER_TABLE_UPDATE_COLUMN_BYTES: pField0 = taosArrayGet(pAlter->pFields, 0); code = mndAlterStbColumnBytes(pMnode, pOld, &stbObj, pField0); break; case TSDB_ALTER_TABLE_UPDATE_OPTIONS: needRsp = false; code = mndUpdateStbCommentAndTTL(pOld, &stbObj, pAlter->comment, pAlter->commentLen, pAlter->ttl); break; default: needRsp = false; terrno = TSDB_CODE_OPS_NOT_SUPPORT; break; } if (code != 0) goto _OVER; code = mndAlterStbImp(pMnode, pReq, pDb, &stbObj, needRsp, pReq->pCont, pReq->contLen); _OVER: taosMemoryFreeClear(stbObj.pTags); taosMemoryFreeClear(stbObj.pColumns); if (pAlter->commentLen > 0) { taosMemoryFreeClear(stbObj.comment); } return code; } static int32_t mndProcessAlterStbReq(SRpcMsg *pReq) { SMnode *pMnode = pReq->info.node; int32_t code = -1; SDbObj *pDb = NULL; SStbObj *pStb = NULL; SMAlterStbReq alterReq = {0}; if (tDeserializeSMAlterStbReq(pReq->pCont, pReq->contLen, &alterReq) != 0) { terrno = TSDB_CODE_INVALID_MSG; goto _OVER; } mDebug("stb:%s, start to alter", alterReq.name); if (mndCheckAlterStbReq(&alterReq) != 0) goto _OVER; pDb = mndAcquireDbByStb(pMnode, alterReq.name); if (pDb == NULL) { terrno = TSDB_CODE_MND_INVALID_DB; goto _OVER; } pStb = mndAcquireStb(pMnode, alterReq.name); if (pStb == NULL) { terrno = TSDB_CODE_MND_STB_NOT_EXIST; goto _OVER; } if (mndCheckDbPrivilege(pMnode, pReq->info.conn.user, MND_OPER_WRITE_DB, pDb) != 0) { goto _OVER; } code = mndAlterStb(pMnode, pReq, &alterReq, pDb, pStb); if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS; _OVER: if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) { mError("stb:%s, failed to alter since %s", alterReq.name, terrstr()); } mndReleaseStb(pMnode, pStb); mndReleaseDb(pMnode, pDb); tFreeSMAltertbReq(&alterReq); return code; } static int32_t mndSetDropStbRedoLogs(SMnode *pMnode, STrans *pTrans, SStbObj *pStb) { SSdbRaw *pRedoRaw = mndStbActionEncode(pStb); if (pRedoRaw == NULL) return -1; if (mndTransAppendRedolog(pTrans, pRedoRaw) != 0) { sdbFreeRaw(pRedoRaw); return -1; } if (sdbSetRawStatus(pRedoRaw, SDB_STATUS_DROPPING) != 0) return -1; return 0; } static int32_t mndSetDropStbCommitLogs(SMnode *pMnode, STrans *pTrans, SStbObj *pStb) { SSdbRaw *pCommitRaw = mndStbActionEncode(pStb); if (pCommitRaw == NULL) return -1; if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) { sdbFreeRaw(pCommitRaw); return -1; } if (sdbSetRawStatus(pCommitRaw, SDB_STATUS_DROPPED) != 0) return -1; return 0; } static int32_t mndSetDropStbRedoActions(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SStbObj *pStb) { SSdb *pSdb = pMnode->pSdb; SVgObj *pVgroup = NULL; void *pIter = NULL; while (1) { pIter = sdbFetch(pSdb, SDB_VGROUP, pIter, (void **)&pVgroup); if (pIter == NULL) break; if (!mndVgroupInDb(pVgroup, pDb->uid)) { sdbRelease(pSdb, pVgroup); continue; } int32_t contLen = 0; void *pReq = mndBuildVDropStbReq(pMnode, pVgroup, pStb, &contLen); if (pReq == NULL) { sdbCancelFetch(pSdb, pIter); sdbRelease(pSdb, pVgroup); terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } STransAction action = {0}; action.epSet = mndGetVgroupEpset(pMnode, pVgroup); action.pCont = pReq; action.contLen = contLen; action.msgType = TDMT_VND_DROP_STB; action.acceptableCode = TSDB_CODE_VND_TB_NOT_EXIST; if (mndTransAppendRedoAction(pTrans, &action) != 0) { taosMemoryFree(pReq); sdbCancelFetch(pSdb, pIter); sdbRelease(pSdb, pVgroup); return -1; } sdbRelease(pSdb, pVgroup); } return 0; } static int32_t mndDropStb(SMnode *pMnode, SRpcMsg *pReq, SDbObj *pDb, SStbObj *pStb) { int32_t code = -1; STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_DB_INSIDE, pReq); if (pTrans == NULL) goto _OVER; mDebug("trans:%d, used to drop stb:%s", pTrans->id, pStb->name); mndTransSetDbName(pTrans, pDb->name, pStb->name); if (mndSetDropStbRedoLogs(pMnode, pTrans, pStb) != 0) goto _OVER; if (mndSetDropStbCommitLogs(pMnode, pTrans, pStb) != 0) goto _OVER; if (mndSetDropStbRedoActions(pMnode, pTrans, pDb, pStb) != 0) goto _OVER; if (mndDropSmasByStb(pMnode, pTrans, pDb, pStb) != 0) goto _OVER; if (mndTransPrepare(pMnode, pTrans) != 0) goto _OVER; code = 0; _OVER: mndTransDrop(pTrans); return code; } static int32_t mndCheckDropStbForTopic(SMnode *pMnode, const char *stbFullName, int64_t suid) { SSdb *pSdb = pMnode->pSdb; void *pIter = NULL; while (1) { SMqTopicObj *pTopic = NULL; pIter = sdbFetch(pSdb, SDB_TOPIC, pIter, (void **)&pTopic); if (pIter == NULL) break; if (pTopic->subType == TOPIC_SUB_TYPE__TABLE) { if (pTopic->stbUid == suid) { sdbRelease(pSdb, pTopic); return -1; } } if (pTopic->subType != TOPIC_SUB_TYPE__COLUMN) { sdbRelease(pSdb, pTopic); continue; } SNode *pAst = NULL; if (nodesStringToNode(pTopic->ast, &pAst) != 0) { ASSERT(0); return -1; } SNodeList *pNodeList = NULL; nodesCollectColumns((SSelectStmt *)pAst, SQL_CLAUSE_FROM, NULL, COLLECT_COL_TYPE_ALL, &pNodeList); SNode *pNode = NULL; FOREACH(pNode, pNodeList) { SColumnNode *pCol = (SColumnNode *)pNode; if (pCol->tableId == suid) { sdbRelease(pSdb, pTopic); nodesDestroyNode(pAst); return -1; } else { goto NEXT; } } NEXT: sdbRelease(pSdb, pTopic); nodesDestroyNode(pAst); } return 0; } static int32_t mndCheckDropStbForStream(SMnode *pMnode, const char *stbFullName, int64_t suid) { SSdb *pSdb = pMnode->pSdb; void *pIter = NULL; while (1) { SStreamObj *pStream = NULL; pIter = sdbFetch(pSdb, SDB_STREAM, pIter, (void **)&pStream); if (pIter == NULL) break; if (pStream->smaId != 0) { sdbRelease(pSdb, pStream); continue; } if (pStream->targetStbUid == suid) { sdbRelease(pSdb, pStream); return -1; } SNode *pAst = NULL; if (nodesStringToNode(pStream->ast, &pAst) != 0) { ASSERT(0); return -1; } SNodeList *pNodeList = NULL; nodesCollectColumns((SSelectStmt *)pAst, SQL_CLAUSE_FROM, NULL, COLLECT_COL_TYPE_ALL, &pNodeList); SNode *pNode = NULL; FOREACH(pNode, pNodeList) { SColumnNode *pCol = (SColumnNode *)pNode; if (pCol->tableId == suid) { sdbRelease(pSdb, pStream); nodesDestroyNode(pAst); return -1; } else { goto NEXT; } } NEXT: sdbRelease(pSdb, pStream); nodesDestroyNode(pAst); } return 0; } static int32_t mndProcessDropStbReq(SRpcMsg *pReq) { SMnode *pMnode = pReq->info.node; int32_t code = -1; SDbObj *pDb = NULL; SStbObj *pStb = NULL; SMDropStbReq dropReq = {0}; if (tDeserializeSMDropStbReq(pReq->pCont, pReq->contLen, &dropReq) != 0) { terrno = TSDB_CODE_INVALID_MSG; goto _OVER; } mDebug("stb:%s, start to drop", dropReq.name); pStb = mndAcquireStb(pMnode, dropReq.name); if (pStb == NULL) { if (dropReq.igNotExists) { mDebug("stb:%s, not exist, ignore not exist is set", dropReq.name); code = 0; goto _OVER; } else { terrno = TSDB_CODE_MND_STB_NOT_EXIST; goto _OVER; } } if (dropReq.source == TD_REQ_FROM_TAOX && pStb->uid != dropReq.suid) { code = 0; goto _OVER; } pDb = mndAcquireDbByStb(pMnode, dropReq.name); if (pDb == NULL) { terrno = TSDB_CODE_MND_DB_NOT_SELECTED; goto _OVER; } if (mndCheckDbPrivilege(pMnode, pReq->info.conn.user, MND_OPER_WRITE_DB, pDb) != 0) { goto _OVER; } if (mndCheckDropStbForTopic(pMnode, dropReq.name, pStb->uid) < 0) { terrno = TSDB_CODE_MND_TOPIC_MUST_BE_DELETED; goto _OVER; } if (mndCheckDropStbForStream(pMnode, dropReq.name, pStb->uid) < 0) { terrno = TSDB_CODE_MND_STREAM_MUST_BE_DELETED; goto _OVER; } code = mndDropStb(pMnode, pReq, pDb, pStb); if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS; _OVER: if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) { mError("stb:%s, failed to drop since %s", dropReq.name, terrstr()); } mndReleaseDb(pMnode, pDb); mndReleaseStb(pMnode, pStb); return code; } static int32_t mndProcessTableMetaReq(SRpcMsg *pReq) { SMnode *pMnode = pReq->info.node; int32_t code = -1; STableInfoReq infoReq = {0}; STableMetaRsp metaRsp = {0}; SUserObj *pUser = mndAcquireUser(pMnode, pReq->info.conn.user); if (pUser == NULL) return 0; bool sysinfo = pUser->sysInfo; if (tDeserializeSTableInfoReq(pReq->pCont, pReq->contLen, &infoReq) != 0) { terrno = TSDB_CODE_INVALID_MSG; goto _OVER; } if (0 == strcmp(infoReq.dbFName, TSDB_INFORMATION_SCHEMA_DB)) { mDebug("information_schema table:%s.%s, start to retrieve meta", infoReq.dbFName, infoReq.tbName); if (mndBuildInsTableSchema(pMnode, infoReq.dbFName, infoReq.tbName, sysinfo, &metaRsp) != 0) { goto _OVER; } } else if (0 == strcmp(infoReq.dbFName, TSDB_PERFORMANCE_SCHEMA_DB)) { mDebug("performance_schema table:%s.%s, start to retrieve meta", infoReq.dbFName, infoReq.tbName); if (mndBuildPerfsTableSchema(pMnode, infoReq.dbFName, infoReq.tbName, &metaRsp) != 0) { goto _OVER; } } else { mDebug("stb:%s.%s, start to retrieve meta", infoReq.dbFName, infoReq.tbName); if (mndBuildStbSchema(pMnode, infoReq.dbFName, infoReq.tbName, &metaRsp, NULL) != 0) { goto _OVER; } } int32_t rspLen = tSerializeSTableMetaRsp(NULL, 0, &metaRsp); if (rspLen < 0) { terrno = TSDB_CODE_INVALID_MSG; goto _OVER; } void *pRsp = rpcMallocCont(rspLen); if (pRsp == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; goto _OVER; } tSerializeSTableMetaRsp(pRsp, rspLen, &metaRsp); pReq->info.rsp = pRsp; pReq->info.rspLen = rspLen; code = 0; mTrace("%s.%s, meta is retrieved", infoReq.dbFName, infoReq.tbName); _OVER: if (code != 0) { mError("stb:%s.%s, failed to retrieve meta since %s", infoReq.dbFName, infoReq.tbName, terrstr()); } mndReleaseUser(pMnode, pUser); tFreeSTableMetaRsp(&metaRsp); return code; } static int32_t mndProcessTableCfgReq(SRpcMsg *pReq) { SMnode *pMnode = pReq->info.node; int32_t code = -1; STableCfgReq cfgReq = {0}; STableCfgRsp cfgRsp = {0}; if (tDeserializeSTableCfgReq(pReq->pCont, pReq->contLen, &cfgReq) != 0) { terrno = TSDB_CODE_INVALID_MSG; goto _OVER; } if (0 == strcmp(cfgReq.dbFName, TSDB_INFORMATION_SCHEMA_DB)) { mDebug("information_schema table:%s.%s, start to retrieve cfg", cfgReq.dbFName, cfgReq.tbName); if (mndBuildInsTableCfg(pMnode, cfgReq.dbFName, cfgReq.tbName, &cfgRsp) != 0) { goto _OVER; } } else if (0 == strcmp(cfgReq.dbFName, TSDB_PERFORMANCE_SCHEMA_DB)) { mDebug("performance_schema table:%s.%s, start to retrieve cfg", cfgReq.dbFName, cfgReq.tbName); if (mndBuildPerfsTableCfg(pMnode, cfgReq.dbFName, cfgReq.tbName, &cfgRsp) != 0) { goto _OVER; } } else { mDebug("stb:%s.%s, start to retrieve cfg", cfgReq.dbFName, cfgReq.tbName); if (mndBuildStbCfg(pMnode, cfgReq.dbFName, cfgReq.tbName, &cfgRsp) != 0) { goto _OVER; } } int32_t rspLen = tSerializeSTableCfgRsp(NULL, 0, &cfgRsp); if (rspLen < 0) { terrno = TSDB_CODE_INVALID_MSG; goto _OVER; } void *pRsp = rpcMallocCont(rspLen); if (pRsp == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; goto _OVER; } tSerializeSTableCfgRsp(pRsp, rspLen, &cfgRsp); pReq->info.rsp = pRsp; pReq->info.rspLen = rspLen; code = 0; mTrace("%s.%s, cfg is retrieved", cfgReq.dbFName, cfgReq.tbName); _OVER: if (code != 0) { mError("stb:%s.%s, failed to retrieve cfg since %s", cfgReq.dbFName, cfgReq.tbName, terrstr()); } tFreeSTableCfgRsp(&cfgRsp); return code; } int32_t mndValidateStbInfo(SMnode *pMnode, SSTableVersion *pStbVersions, int32_t numOfStbs, void **ppRsp, int32_t *pRspLen) { SSTbHbRsp hbRsp = {0}; hbRsp.pMetaRsp = taosArrayInit(numOfStbs, sizeof(STableMetaRsp)); if (hbRsp.pMetaRsp == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } hbRsp.pIndexRsp = taosArrayInit(numOfStbs, sizeof(STableIndexRsp)); if (NULL == hbRsp.pIndexRsp) { taosArrayDestroy(hbRsp.pMetaRsp); terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } for (int32_t i = 0; i < numOfStbs; ++i) { SSTableVersion *pStbVersion = &pStbVersions[i]; pStbVersion->suid = be64toh(pStbVersion->suid); pStbVersion->sversion = ntohs(pStbVersion->sversion); pStbVersion->tversion = ntohs(pStbVersion->tversion); pStbVersion->smaVer = ntohl(pStbVersion->smaVer); STableMetaRsp metaRsp = {0}; int32_t smaVer = 0; mDebug("stb:%s.%s, start to retrieve meta", pStbVersion->dbFName, pStbVersion->stbName); if (mndBuildStbSchema(pMnode, pStbVersion->dbFName, pStbVersion->stbName, &metaRsp, &smaVer) != 0) { metaRsp.numOfColumns = -1; metaRsp.suid = pStbVersion->suid; taosArrayPush(hbRsp.pMetaRsp, &metaRsp); continue; } if (pStbVersion->sversion != metaRsp.sversion || pStbVersion->tversion != metaRsp.tversion) { taosArrayPush(hbRsp.pMetaRsp, &metaRsp); } else { tFreeSTableMetaRsp(&metaRsp); } if (pStbVersion->smaVer && pStbVersion->smaVer != smaVer) { bool exist = false; char tbFName[TSDB_TABLE_FNAME_LEN]; STableIndexRsp indexRsp = {0}; indexRsp.pIndex = taosArrayInit(10, sizeof(STableIndexInfo)); if (NULL == indexRsp.pIndex) { terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } sprintf(tbFName, "%s.%s", pStbVersion->dbFName, pStbVersion->stbName); int32_t code = mndGetTableSma(pMnode, tbFName, &indexRsp, &exist); if (code || !exist) { indexRsp.suid = pStbVersion->suid; indexRsp.version = -1; indexRsp.pIndex = NULL; } strcpy(indexRsp.dbFName, pStbVersion->dbFName); strcpy(indexRsp.tbName, pStbVersion->stbName); taosArrayPush(hbRsp.pIndexRsp, &indexRsp); } } int32_t rspLen = tSerializeSSTbHbRsp(NULL, 0, &hbRsp); if (rspLen < 0) { tFreeSSTbHbRsp(&hbRsp); terrno = TSDB_CODE_INVALID_MSG; return -1; } void *pRsp = taosMemoryMalloc(rspLen); if (pRsp == NULL) { tFreeSSTbHbRsp(&hbRsp); terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } tSerializeSSTbHbRsp(pRsp, rspLen, &hbRsp); tFreeSSTbHbRsp(&hbRsp); *ppRsp = pRsp; *pRspLen = rspLen; return 0; } int32_t mndGetNumOfStbs(SMnode *pMnode, char *dbName, int32_t *pNumOfStbs) { SSdb *pSdb = pMnode->pSdb; SDbObj *pDb = mndAcquireDb(pMnode, dbName); if (pDb == NULL) { terrno = TSDB_CODE_MND_DB_NOT_SELECTED; return -1; } int32_t numOfStbs = 0; void *pIter = NULL; while (1) { SStbObj *pStb = NULL; pIter = sdbFetch(pSdb, SDB_STB, pIter, (void **)&pStb); if (pIter == NULL) break; if (pStb->dbUid == pDb->uid) { numOfStbs++; } sdbRelease(pSdb, pStb); } *pNumOfStbs = numOfStbs; mndReleaseDb(pMnode, pDb); return 0; } void mndExtractDbNameFromStbFullName(const char *stbFullName, char *dst) { SName name = {0}; tNameFromString(&name, stbFullName, T_NAME_ACCT | T_NAME_DB | T_NAME_TABLE); tNameGetFullDbName(&name, dst); } void mndExtractTbNameFromStbFullName(const char *stbFullName, char *dst, int32_t dstSize) { int32_t pos = -1; int32_t num = 0; for (pos = 0; stbFullName[pos] != 0; ++pos) { if (stbFullName[pos] == TS_PATH_DELIMITER[0]) num++; if (num == 2) break; } if (num == 2) { tstrncpy(dst, stbFullName + pos + 1, dstSize); } } static int32_t mndRetrieveStb(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows) { SMnode *pMnode = pReq->info.node; SSdb *pSdb = pMnode->pSdb; int32_t numOfRows = 0; SStbObj *pStb = NULL; int32_t cols = 0; SDbObj *pDb = NULL; if (strlen(pShow->db) > 0) { pDb = mndAcquireDb(pMnode, pShow->db); if (pDb == NULL) return terrno; } while (numOfRows < rows) { pShow->pIter = sdbFetch(pSdb, SDB_STB, pShow->pIter, (void **)&pStb); if (pShow->pIter == NULL) break; if (pDb != NULL && pStb->dbUid != pDb->uid) { sdbRelease(pSdb, pStb); continue; } cols = 0; SName name = {0}; char stbName[TSDB_TABLE_NAME_LEN + VARSTR_HEADER_SIZE] = {0}; mndExtractTbNameFromStbFullName(pStb->name, &stbName[VARSTR_HEADER_SIZE], TSDB_TABLE_NAME_LEN); varDataSetLen(stbName, strlen(&stbName[VARSTR_HEADER_SIZE])); SColumnInfoData *pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, numOfRows, (const char *)stbName, false); char db[TSDB_DB_NAME_LEN + VARSTR_HEADER_SIZE] = {0}; tNameFromString(&name, pStb->db, T_NAME_ACCT | T_NAME_DB); tNameGetDbName(&name, varDataVal(db)); varDataSetLen(db, strlen(varDataVal(db))); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, numOfRows, (const char *)db, false); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, numOfRows, (const char *)&pStb->createdTime, false); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, numOfRows, (const char *)&pStb->numOfColumns, false); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, numOfRows, (const char *)&pStb->numOfTags, false); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, numOfRows, (const char *)&pStb->updateTime, false); // number of tables pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); if (pStb->commentLen > 0) { char comment[TSDB_TB_COMMENT_LEN + VARSTR_HEADER_SIZE] = {0}; STR_TO_VARSTR(comment, pStb->comment); colDataAppend(pColInfo, numOfRows, comment, false); } else if (pStb->commentLen == 0) { char comment[VARSTR_HEADER_SIZE + VARSTR_HEADER_SIZE] = {0}; STR_TO_VARSTR(comment, ""); colDataAppend(pColInfo, numOfRows, comment, false); } else { colDataAppendNULL(pColInfo, numOfRows); } char watermark[64 + VARSTR_HEADER_SIZE] = {0}; sprintf(varDataVal(watermark), "%" PRId64 "a,%" PRId64 "a", pStb->watermark[0], pStb->watermark[1]); varDataSetLen(watermark, strlen(varDataVal(watermark))); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, numOfRows, (const char *)watermark, false); char maxDelay[64 + VARSTR_HEADER_SIZE] = {0}; sprintf(varDataVal(maxDelay), "%" PRId64 "a,%" PRId64 "a", pStb->maxdelay[0], pStb->maxdelay[1]); varDataSetLen(maxDelay, strlen(varDataVal(maxDelay))); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, numOfRows, (const char *)maxDelay, false); char rollup[128 + VARSTR_HEADER_SIZE] = {0}; int32_t rollupNum = (int32_t)taosArrayGetSize(pStb->pFuncs); for (int32_t i = 0; i < rollupNum; ++i) { char *funcName = taosArrayGet(pStb->pFuncs, i); if (i) { strcat(varDataVal(rollup), ", "); } strcat(varDataVal(rollup), funcName); } varDataSetLen(rollup, strlen(varDataVal(rollup))); pColInfo = taosArrayGet(pBlock->pDataBlock, cols++); colDataAppend(pColInfo, numOfRows, (const char *)rollup, false); numOfRows++; sdbRelease(pSdb, pStb); } if (pDb != NULL) { mndReleaseDb(pMnode, pDb); } pShow->numOfRows += numOfRows; return numOfRows; } static void mndCancelGetNextStb(SMnode *pMnode, void *pIter) { SSdb *pSdb = pMnode->pSdb; sdbCancelFetch(pSdb, pIter); }