603 lines
18 KiB
C
603 lines
18 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "tq.h"
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bool isValValidForTable(STqHandle* pHandle, SWalCont* pHead) {
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if (pHandle->execHandle.subType != TOPIC_SUB_TYPE__TABLE) {
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return true;
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}
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int16_t msgType = pHead->msgType;
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char* body = pHead->body;
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int32_t bodyLen = pHead->bodyLen;
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int64_t tbSuid = pHandle->execHandle.execTb.suid;
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int64_t realTbSuid = 0;
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SDecoder coder;
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void* data = POINTER_SHIFT(body, sizeof(SMsgHead));
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int32_t len = bodyLen - sizeof(SMsgHead);
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tDecoderInit(&coder, data, len);
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if (msgType == TDMT_VND_CREATE_STB || msgType == TDMT_VND_ALTER_STB) {
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SVCreateStbReq req = {0};
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if (tDecodeSVCreateStbReq(&coder, &req) < 0) {
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goto end;
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}
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realTbSuid = req.suid;
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} else if (msgType == TDMT_VND_DROP_STB) {
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SVDropStbReq req = {0};
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if (tDecodeSVDropStbReq(&coder, &req) < 0) {
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goto end;
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}
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realTbSuid = req.suid;
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} else if (msgType == TDMT_VND_CREATE_TABLE) {
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SVCreateTbBatchReq req = {0};
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if (tDecodeSVCreateTbBatchReq(&coder, &req) < 0) {
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goto end;
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}
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int32_t needRebuild = 0;
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SVCreateTbReq* pCreateReq = NULL;
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for (int32_t iReq = 0; iReq < req.nReqs; iReq++) {
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pCreateReq = req.pReqs + iReq;
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if (pCreateReq->type == TSDB_CHILD_TABLE && pCreateReq->ctb.suid == tbSuid) {
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needRebuild++;
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}
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}
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if (needRebuild == 0) {
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// do nothing
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} else if (needRebuild == req.nReqs) {
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realTbSuid = tbSuid;
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} else {
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realTbSuid = tbSuid;
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SVCreateTbBatchReq reqNew = {0};
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reqNew.pArray = taosArrayInit(req.nReqs, sizeof(struct SVCreateTbReq));
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for (int32_t iReq = 0; iReq < req.nReqs; iReq++) {
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pCreateReq = req.pReqs + iReq;
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if (pCreateReq->type == TSDB_CHILD_TABLE && pCreateReq->ctb.suid == tbSuid) {
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reqNew.nReqs++;
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taosArrayPush(reqNew.pArray, pCreateReq);
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}
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}
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int tlen;
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int32_t ret = 0;
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tEncodeSize(tEncodeSVCreateTbBatchReq, &reqNew, tlen, ret);
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void* buf = taosMemoryMalloc(tlen);
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if (NULL == buf) {
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taosArrayDestroy(reqNew.pArray);
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for (int32_t iReq = 0; iReq < req.nReqs; iReq++) {
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pCreateReq = req.pReqs + iReq;
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taosMemoryFreeClear(pCreateReq->comment);
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if (pCreateReq->type == TSDB_CHILD_TABLE) {
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taosArrayDestroy(pCreateReq->ctb.tagName);
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}
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}
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goto end;
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}
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SEncoder coderNew = {0};
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tEncoderInit(&coderNew, buf, tlen - sizeof(SMsgHead));
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tEncodeSVCreateTbBatchReq(&coderNew, &reqNew);
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tEncoderClear(&coderNew);
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memcpy(pHead->body + sizeof(SMsgHead), buf, tlen);
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pHead->bodyLen = tlen + sizeof(SMsgHead);
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taosMemoryFree(buf);
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taosArrayDestroy(reqNew.pArray);
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}
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for (int32_t iReq = 0; iReq < req.nReqs; iReq++) {
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pCreateReq = req.pReqs + iReq;
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taosMemoryFreeClear(pCreateReq->comment);
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if (pCreateReq->type == TSDB_CHILD_TABLE) {
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taosArrayDestroy(pCreateReq->ctb.tagName);
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}
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}
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} else if (msgType == TDMT_VND_ALTER_TABLE) {
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SVAlterTbReq req = {0};
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if (tDecodeSVAlterTbReq(&coder, &req) < 0) {
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goto end;
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}
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SMetaReader mr = {0};
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metaReaderInit(&mr, pHandle->execHandle.pExecReader->pVnodeMeta, 0);
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if (metaGetTableEntryByName(&mr, req.tbName) < 0) {
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metaReaderClear(&mr);
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goto end;
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}
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realTbSuid = mr.me.ctbEntry.suid;
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metaReaderClear(&mr);
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} else if (msgType == TDMT_VND_DROP_TABLE) {
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SVDropTbBatchReq req = {0};
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if (tDecodeSVDropTbBatchReq(&coder, &req) < 0) {
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goto end;
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}
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int32_t needRebuild = 0;
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SVDropTbReq* pDropReq = NULL;
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for (int32_t iReq = 0; iReq < req.nReqs; iReq++) {
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pDropReq = req.pReqs + iReq;
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if (pDropReq->suid == tbSuid) {
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needRebuild++;
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}
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}
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if (needRebuild == 0) {
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// do nothing
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} else if (needRebuild == req.nReqs) {
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realTbSuid = tbSuid;
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} else {
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realTbSuid = tbSuid;
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SVDropTbBatchReq reqNew = {0};
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reqNew.pArray = taosArrayInit(req.nReqs, sizeof(SVDropTbReq));
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for (int32_t iReq = 0; iReq < req.nReqs; iReq++) {
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pDropReq = req.pReqs + iReq;
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if (pDropReq->suid == tbSuid) {
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reqNew.nReqs++;
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taosArrayPush(reqNew.pArray, pDropReq);
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}
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}
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int tlen;
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int32_t ret = 0;
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tEncodeSize(tEncodeSVDropTbBatchReq, &reqNew, tlen, ret);
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void* buf = taosMemoryMalloc(tlen);
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if (NULL == buf) {
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taosArrayDestroy(reqNew.pArray);
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goto end;
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}
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SEncoder coderNew = {0};
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tEncoderInit(&coderNew, buf, tlen - sizeof(SMsgHead));
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tEncodeSVDropTbBatchReq(&coderNew, &reqNew);
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tEncoderClear(&coderNew);
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memcpy(pHead->body + sizeof(SMsgHead), buf, tlen);
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pHead->bodyLen = tlen + sizeof(SMsgHead);
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taosMemoryFree(buf);
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taosArrayDestroy(reqNew.pArray);
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}
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} else if (msgType == TDMT_VND_DELETE) {
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SDeleteRes req = {0};
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if (tDecodeDeleteRes(&coder, &req) < 0) {
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goto end;
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}
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realTbSuid = req.suid;
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} else {
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ASSERT(0);
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}
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end:
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tDecoderClear(&coder);
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return tbSuid == realTbSuid;
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}
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int64_t tqFetchLog(STQ* pTq, STqHandle* pHandle, int64_t* fetchOffset, SWalCkHead** ppCkHead) {
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int32_t code = 0;
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taosThreadMutexLock(&pHandle->pWalReader->mutex);
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int64_t offset = *fetchOffset;
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while (1) {
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if (walFetchHead(pHandle->pWalReader, offset, *ppCkHead) < 0) {
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tqDebug("tmq poll: consumer:%" PRId64 ", (epoch %d) vgId:%d offset %" PRId64 ", no more log to return",
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pHandle->consumerId, pHandle->epoch, TD_VID(pTq->pVnode), offset);
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*fetchOffset = offset - 1;
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code = -1;
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goto END;
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}
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if ((*ppCkHead)->head.msgType == TDMT_VND_SUBMIT) {
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code = walFetchBody(pHandle->pWalReader, ppCkHead);
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if (code < 0) {
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ASSERT(0);
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*fetchOffset = offset;
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code = -1;
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goto END;
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}
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*fetchOffset = offset;
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code = 0;
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goto END;
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} else {
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if (pHandle->fetchMeta) {
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SWalCont* pHead = &((*ppCkHead)->head);
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if (IS_META_MSG(pHead->msgType)) {
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code = walFetchBody(pHandle->pWalReader, ppCkHead);
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if (code < 0) {
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ASSERT(0);
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*fetchOffset = offset;
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code = -1;
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goto END;
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}
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if (isValValidForTable(pHandle, pHead)) {
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*fetchOffset = offset;
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code = 0;
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goto END;
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}
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}
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}
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code = walSkipFetchBody(pHandle->pWalReader, *ppCkHead);
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if (code < 0) {
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ASSERT(0);
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*fetchOffset = offset;
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code = -1;
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goto END;
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}
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offset++;
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}
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}
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END:
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taosThreadMutexUnlock(&pHandle->pWalReader->mutex);
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return code;
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}
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STqReader* tqOpenReader(SVnode* pVnode) {
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STqReader* pReader = taosMemoryMalloc(sizeof(STqReader));
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if (pReader == NULL) {
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return NULL;
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}
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pReader->pWalReader = walOpenReader(pVnode->pWal, NULL);
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if (pReader->pWalReader == NULL) {
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return NULL;
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}
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pReader->pVnodeMeta = pVnode->pMeta;
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pReader->pMsg = NULL;
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pReader->ver = -1;
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pReader->pColIdList = NULL;
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pReader->cachedSchemaVer = 0;
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pReader->cachedSchemaSuid = 0;
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pReader->pSchema = NULL;
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pReader->pSchemaWrapper = NULL;
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pReader->tbIdHash = NULL;
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return pReader;
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}
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void tqCloseReader(STqReader* pReader) {
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// close wal reader
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if (pReader->pWalReader) {
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walCloseReader(pReader->pWalReader);
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}
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// free cached schema
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if (pReader->pSchema) {
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taosMemoryFree(pReader->pSchema);
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}
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if (pReader->pSchemaWrapper) {
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tDeleteSSchemaWrapper(pReader->pSchemaWrapper);
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}
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if (pReader->pColIdList) {
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taosArrayDestroy(pReader->pColIdList);
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}
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// free hash
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taosHashCleanup(pReader->tbIdHash);
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taosMemoryFree(pReader);
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}
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int32_t tqSeekVer(STqReader* pReader, int64_t ver) {
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if (walReadSeekVer(pReader->pWalReader, ver) < 0) {
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ASSERT(pReader->pWalReader->curInvalid);
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ASSERT(pReader->pWalReader->curVersion == ver);
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return -1;
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}
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ASSERT(pReader->pWalReader->curVersion == ver);
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return 0;
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}
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int32_t tqNextBlock(STqReader* pReader, SFetchRet* ret) {
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bool fromProcessedMsg = pReader->pMsg != NULL;
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while (1) {
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if (!fromProcessedMsg) {
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if (walNextValidMsg(pReader->pWalReader) < 0) {
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pReader->ver =
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pReader->pWalReader->curVersion - (pReader->pWalReader->curInvalid | pReader->pWalReader->curStopped);
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ret->offset.type = TMQ_OFFSET__LOG;
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ret->offset.version = pReader->ver;
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ret->fetchType = FETCH_TYPE__NONE;
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tqDebug("return offset %" PRId64 ", no more valid", ret->offset.version);
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ASSERT(ret->offset.version >= 0);
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return -1;
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}
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void* body = pReader->pWalReader->pHead->head.body;
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#if 0
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if (pReader->pWalReader->pHead->head.msgType != TDMT_VND_SUBMIT) {
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// TODO do filter
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ret->fetchType = FETCH_TYPE__META;
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ret->meta = pReader->pWalReader->pHead->head.body;
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return 0;
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} else {
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#endif
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tqReaderSetDataMsg(pReader, body, pReader->pWalReader->pHead->head.version);
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#if 0
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}
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#endif
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}
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while (tqNextDataBlock(pReader)) {
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// TODO mem free
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memset(&ret->data, 0, sizeof(SSDataBlock));
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int32_t code = tqRetrieveDataBlock(&ret->data, pReader);
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if (code != 0 || ret->data.info.rows == 0) {
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ASSERT(0);
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continue;
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}
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ret->fetchType = FETCH_TYPE__DATA;
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tqDebug("return data rows %d", ret->data.info.rows);
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return 0;
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}
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if (fromProcessedMsg) {
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ret->offset.type = TMQ_OFFSET__LOG;
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ret->offset.version = pReader->ver;
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ASSERT(pReader->ver >= 0);
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ret->fetchType = FETCH_TYPE__SEP;
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tqDebug("return offset %" PRId64 ", processed finish", ret->offset.version);
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return 0;
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}
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}
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}
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int32_t tqReaderSetDataMsg(STqReader* pReader, const SSubmitReq* pMsg, int64_t ver) {
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pReader->pMsg = pMsg;
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if (tInitSubmitMsgIter(pMsg, &pReader->msgIter) < 0) return -1;
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while (true) {
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if (tGetSubmitMsgNext(&pReader->msgIter, &pReader->pBlock) < 0) return -1;
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if (pReader->pBlock == NULL) break;
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}
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if (tInitSubmitMsgIter(pMsg, &pReader->msgIter) < 0) return -1;
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pReader->ver = ver;
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memset(&pReader->blkIter, 0, sizeof(SSubmitBlkIter));
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return 0;
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}
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bool tqNextDataBlock(STqReader* pReader) {
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if (pReader->pMsg == NULL) return false;
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while (1) {
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if (tGetSubmitMsgNext(&pReader->msgIter, &pReader->pBlock) < 0) {
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return false;
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}
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if (pReader->pBlock == NULL) {
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pReader->pMsg = NULL;
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return false;
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}
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if (pReader->tbIdHash == NULL) {
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return true;
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}
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void* ret = taosHashGet(pReader->tbIdHash, &pReader->msgIter.uid, sizeof(int64_t));
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/*tqDebug("search uid %" PRId64, pHandle->msgIter.uid);*/
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if (ret != NULL) {
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/*tqDebug("find uid %" PRId64, pHandle->msgIter.uid);*/
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return true;
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}
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}
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return false;
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}
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bool tqNextDataBlockFilterOut(STqReader* pHandle, SHashObj* filterOutUids) {
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while (1) {
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if (tGetSubmitMsgNext(&pHandle->msgIter, &pHandle->pBlock) < 0) {
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return false;
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}
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if (pHandle->pBlock == NULL) return false;
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ASSERT(pHandle->tbIdHash == NULL);
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void* ret = taosHashGet(filterOutUids, &pHandle->msgIter.uid, sizeof(int64_t));
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if (ret == NULL) {
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return true;
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}
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}
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return false;
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}
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int32_t tqRetrieveDataBlock(SSDataBlock* pBlock, STqReader* pReader) {
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// TODO: cache multiple schema
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int32_t sversion = htonl(pReader->pBlock->sversion);
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if (pReader->cachedSchemaSuid == 0 || pReader->cachedSchemaVer != sversion ||
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pReader->cachedSchemaSuid != pReader->msgIter.suid) {
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if (pReader->pSchema) taosMemoryFree(pReader->pSchema);
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pReader->pSchema = metaGetTbTSchema(pReader->pVnodeMeta, pReader->msgIter.uid, sversion, 1);
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if (pReader->pSchema == NULL) {
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tqWarn("cannot found tsschema for table: uid:%" PRId64 " (suid:%" PRId64 "), version %d, possibly dropped table",
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pReader->msgIter.uid, pReader->msgIter.suid, pReader->cachedSchemaVer);
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/*ASSERT(0);*/
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terrno = TSDB_CODE_TQ_TABLE_SCHEMA_NOT_FOUND;
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return -1;
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}
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if (pReader->pSchemaWrapper) tDeleteSSchemaWrapper(pReader->pSchemaWrapper);
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pReader->pSchemaWrapper = metaGetTableSchema(pReader->pVnodeMeta, pReader->msgIter.uid, sversion, 1);
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if (pReader->pSchemaWrapper == NULL) {
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tqWarn("cannot found schema wrapper for table: suid:%" PRId64 ", version %d, possibly dropped table",
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pReader->msgIter.uid, pReader->cachedSchemaVer);
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/*ASSERT(0);*/
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terrno = TSDB_CODE_TQ_TABLE_SCHEMA_NOT_FOUND;
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return -1;
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}
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pReader->cachedSchemaVer = sversion;
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pReader->cachedSchemaSuid = pReader->msgIter.suid;
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}
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STSchema* pTschema = pReader->pSchema;
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SSchemaWrapper* pSchemaWrapper = pReader->pSchemaWrapper;
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int32_t colNumNeed = taosArrayGetSize(pReader->pColIdList);
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if (colNumNeed == 0) {
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int32_t colMeta = 0;
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while (colMeta < pSchemaWrapper->nCols) {
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SSchema* pColSchema = &pSchemaWrapper->pSchema[colMeta];
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SColumnInfoData colInfo = createColumnInfoData(pColSchema->type, pColSchema->bytes, pColSchema->colId);
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int32_t code = blockDataAppendColInfo(pBlock, &colInfo);
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if (code != TSDB_CODE_SUCCESS) {
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goto FAIL;
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}
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colMeta++;
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}
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} else {
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if (colNumNeed > pSchemaWrapper->nCols) {
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colNumNeed = pSchemaWrapper->nCols;
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}
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int32_t colMeta = 0;
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int32_t colNeed = 0;
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while (colMeta < pSchemaWrapper->nCols && colNeed < colNumNeed) {
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SSchema* pColSchema = &pSchemaWrapper->pSchema[colMeta];
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col_id_t colIdSchema = pColSchema->colId;
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col_id_t colIdNeed = *(col_id_t*)taosArrayGet(pReader->pColIdList, colNeed);
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if (colIdSchema < colIdNeed) {
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colMeta++;
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} else if (colIdSchema > colIdNeed) {
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colNeed++;
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} else {
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SColumnInfoData colInfo = createColumnInfoData(pColSchema->type, pColSchema->bytes, pColSchema->colId);
|
|
int32_t code = blockDataAppendColInfo(pBlock, &colInfo);
|
|
if (code != TSDB_CODE_SUCCESS) {
|
|
goto FAIL;
|
|
}
|
|
colMeta++;
|
|
colNeed++;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (blockDataEnsureCapacity(pBlock, pReader->msgIter.numOfRows) < 0) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
goto FAIL;
|
|
}
|
|
|
|
int32_t colActual = blockDataGetNumOfCols(pBlock);
|
|
|
|
STSRowIter iter = {0};
|
|
tdSTSRowIterInit(&iter, pTschema);
|
|
STSRow* row;
|
|
int32_t curRow = 0;
|
|
|
|
tInitSubmitBlkIter(&pReader->msgIter, pReader->pBlock, &pReader->blkIter);
|
|
|
|
pBlock->info.uid = pReader->msgIter.uid;
|
|
pBlock->info.rows = pReader->msgIter.numOfRows;
|
|
pBlock->info.version = pReader->pMsg->version;
|
|
|
|
while ((row = tGetSubmitBlkNext(&pReader->blkIter)) != NULL) {
|
|
tdSTSRowIterReset(&iter, row);
|
|
// get all wanted col of that block
|
|
for (int32_t i = 0; i < colActual; i++) {
|
|
SColumnInfoData* pColData = taosArrayGet(pBlock->pDataBlock, i);
|
|
SCellVal sVal = {0};
|
|
if (!tdSTSRowIterFetch(&iter, pColData->info.colId, pColData->info.type, &sVal)) {
|
|
break;
|
|
}
|
|
if (colDataAppend(pColData, curRow, sVal.val, sVal.valType != TD_VTYPE_NORM) < 0) {
|
|
goto FAIL;
|
|
}
|
|
}
|
|
curRow++;
|
|
}
|
|
return 0;
|
|
|
|
FAIL:
|
|
blockDataFreeRes(pBlock);
|
|
return -1;
|
|
}
|
|
|
|
void tqReaderSetColIdList(STqReader* pReader, SArray* pColIdList) { pReader->pColIdList = pColIdList; }
|
|
|
|
int tqReaderSetTbUidList(STqReader* pReader, const SArray* tbUidList) {
|
|
if (pReader->tbIdHash) {
|
|
taosHashClear(pReader->tbIdHash);
|
|
} else {
|
|
pReader->tbIdHash = taosHashInit(64, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), true, HASH_NO_LOCK);
|
|
}
|
|
|
|
if (pReader->tbIdHash == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
return -1;
|
|
}
|
|
|
|
for (int i = 0; i < taosArrayGetSize(tbUidList); i++) {
|
|
int64_t* pKey = (int64_t*)taosArrayGet(tbUidList, i);
|
|
taosHashPut(pReader->tbIdHash, pKey, sizeof(int64_t), NULL, 0);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int tqReaderAddTbUidList(STqReader* pReader, const SArray* tbUidList) {
|
|
if (pReader->tbIdHash == NULL) {
|
|
pReader->tbIdHash = taosHashInit(64, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), true, HASH_NO_LOCK);
|
|
if (pReader->tbIdHash == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < taosArrayGetSize(tbUidList); i++) {
|
|
int64_t* pKey = (int64_t*)taosArrayGet(tbUidList, i);
|
|
taosHashPut(pReader->tbIdHash, pKey, sizeof(int64_t), NULL, 0);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int tqReaderRemoveTbUidList(STqReader* pReader, const SArray* tbUidList) {
|
|
ASSERT(pReader->tbIdHash != NULL);
|
|
|
|
for (int32_t i = 0; i < taosArrayGetSize(tbUidList); i++) {
|
|
int64_t* pKey = (int64_t*)taosArrayGet(tbUidList, i);
|
|
taosHashRemove(pReader->tbIdHash, pKey, sizeof(int64_t));
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int32_t tqUpdateTbUidList(STQ* pTq, const SArray* tbUidList, bool isAdd) {
|
|
void* pIter = NULL;
|
|
while (1) {
|
|
pIter = taosHashIterate(pTq->pHandle, pIter);
|
|
if (pIter == NULL) break;
|
|
STqHandle* pExec = (STqHandle*)pIter;
|
|
if (pExec->execHandle.subType == TOPIC_SUB_TYPE__COLUMN) {
|
|
int32_t code = qUpdateQualifiedTableId(pExec->execHandle.task, tbUidList, isAdd);
|
|
ASSERT(code == 0);
|
|
} else if (pExec->execHandle.subType == TOPIC_SUB_TYPE__DB) {
|
|
if (!isAdd) {
|
|
int32_t sz = taosArrayGetSize(tbUidList);
|
|
for (int32_t i = 0; i < sz; i++) {
|
|
int64_t tbUid = *(int64_t*)taosArrayGet(tbUidList, i);
|
|
taosHashPut(pExec->execHandle.execDb.pFilterOutTbUid, &tbUid, sizeof(int64_t), NULL, 0);
|
|
}
|
|
}
|
|
} else {
|
|
// tq update id
|
|
}
|
|
}
|
|
while (1) {
|
|
pIter = taosHashIterate(pTq->pStreamMeta->pTasks, pIter);
|
|
if (pIter == NULL) break;
|
|
SStreamTask* pTask = *(SStreamTask**)pIter;
|
|
if (pTask->taskLevel == TASK_LEVEL__SOURCE) {
|
|
int32_t code = qUpdateQualifiedTableId(pTask->exec.executor, tbUidList, isAdd);
|
|
ASSERT(code == 0);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|