537 lines
17 KiB
C
537 lines
17 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 "dataBlockMgt.h"
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#include "catalog.h"
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#include "parserUtil.h"
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#include "queryInfoUtil.h"
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#include "tmsg.h"
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#define IS_RAW_PAYLOAD(t) \
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(((int)(t)) == PAYLOAD_TYPE_RAW) // 0: K-V payload for non-prepare insert, 1: rawPayload for prepare insert
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typedef struct SBlockKeyTuple {
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TSKEY skey;
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void* payloadAddr;
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} SBlockKeyTuple;
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typedef struct SBlockKeyInfo {
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int32_t maxBytesAlloc;
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SBlockKeyTuple* pKeyTuple;
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} SBlockKeyInfo;
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static int32_t rowDataCompar(const void *lhs, const void *rhs) {
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TSKEY left = *(TSKEY *)lhs;
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TSKEY right = *(TSKEY *)rhs;
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if (left == right) {
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return 0;
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} else {
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return left > right ? 1 : -1;
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}
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}
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void setBoundColumnInfo(SParsedDataColInfo* pColList, SSchema* pSchema, int32_t numOfCols) {
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pColList->numOfCols = numOfCols;
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pColList->numOfBound = numOfCols;
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pColList->orderStatus = ORDER_STATUS_ORDERED; // default is ORDERED for non-bound mode
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pColList->boundedColumns = calloc(pColList->numOfCols, sizeof(int32_t));
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pColList->cols = calloc(pColList->numOfCols, sizeof(SBoundColumn));
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pColList->colIdxInfo = NULL;
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pColList->flen = 0;
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pColList->allNullLen = 0;
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int32_t nVar = 0;
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for (int32_t i = 0; i < pColList->numOfCols; ++i) {
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uint8_t type = pSchema[i].type;
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if (i > 0) {
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pColList->cols[i].offset = pColList->cols[i - 1].offset + pSchema[i - 1].bytes;
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pColList->cols[i].toffset = pColList->flen;
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}
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pColList->flen += TYPE_BYTES[type];
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switch (type) {
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case TSDB_DATA_TYPE_BINARY:
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pColList->allNullLen += (VARSTR_HEADER_SIZE + CHAR_BYTES);
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++nVar;
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break;
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case TSDB_DATA_TYPE_NCHAR:
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pColList->allNullLen += (VARSTR_HEADER_SIZE + TSDB_NCHAR_SIZE);
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++nVar;
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break;
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default:
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break;
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}
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pColList->boundedColumns[i] = pSchema[i].colId;
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}
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pColList->allNullLen += pColList->flen;
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pColList->boundNullLen = pColList->allNullLen; // default set allNullLen
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pColList->extendedVarLen = (uint16_t)(nVar * sizeof(VarDataOffsetT));
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}
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int32_t schemaIdxCompar(const void *lhs, const void *rhs) {
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uint16_t left = *(uint16_t *)lhs;
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uint16_t right = *(uint16_t *)rhs;
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if (left == right) {
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return 0;
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} else {
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return left > right ? 1 : -1;
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}
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}
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int32_t boundIdxCompar(const void *lhs, const void *rhs) {
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uint16_t left = *(uint16_t *)POINTER_SHIFT(lhs, sizeof(uint16_t));
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uint16_t right = *(uint16_t *)POINTER_SHIFT(rhs, sizeof(uint16_t));
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if (left == right) {
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return 0;
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} else {
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return left > right ? 1 : -1;
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}
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}
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void destroyBoundColumnInfo(SParsedDataColInfo* pColList) {
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tfree(pColList->boundedColumns);
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tfree(pColList->cols);
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tfree(pColList->colIdxInfo);
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}
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static int32_t createDataBlock(size_t defaultSize, int32_t rowSize, int32_t startOffset,
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const STableMeta* pTableMeta, STableDataBlocks** dataBlocks) {
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STableDataBlocks* dataBuf = (STableDataBlocks*)calloc(1, sizeof(STableDataBlocks));
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if (dataBuf == NULL) {
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return TSDB_CODE_TSC_OUT_OF_MEMORY;
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}
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dataBuf->nAllocSize = (uint32_t)defaultSize;
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dataBuf->headerSize = startOffset;
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// the header size will always be the startOffset value, reserved for the subumit block header
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if (dataBuf->nAllocSize <= dataBuf->headerSize) {
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dataBuf->nAllocSize = dataBuf->headerSize * 2;
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}
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dataBuf->pData = malloc(dataBuf->nAllocSize);
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if (dataBuf->pData == NULL) {
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tfree(dataBuf);
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return TSDB_CODE_TSC_OUT_OF_MEMORY;
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}
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memset(dataBuf->pData, 0, sizeof(SSubmitBlk));
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//Here we keep the tableMeta to avoid it to be remove by other threads.
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dataBuf->pTableMeta = tableMetaDup(pTableMeta);
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SParsedDataColInfo* pColInfo = &dataBuf->boundColumnInfo;
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SSchema* pSchema = getTableColumnSchema(dataBuf->pTableMeta);
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setBoundColumnInfo(pColInfo, pSchema, dataBuf->pTableMeta->tableInfo.numOfColumns);
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dataBuf->ordered = true;
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dataBuf->prevTS = INT64_MIN;
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dataBuf->rowSize = rowSize;
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dataBuf->size = startOffset;
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dataBuf->tsSource = -1;
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dataBuf->vgId = dataBuf->pTableMeta->vgId;
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assert(defaultSize > 0 && pTableMeta != NULL && dataBuf->pTableMeta != NULL);
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*dataBlocks = dataBuf;
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return TSDB_CODE_SUCCESS;
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}
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int32_t getDataBlockFromList(SHashObj* pHashList, int64_t id, int32_t size, int32_t startOffset, int32_t rowSize,
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const STableMeta* pTableMeta, STableDataBlocks** dataBlocks, SArray* pBlockList) {
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*dataBlocks = NULL;
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STableDataBlocks** t1 = (STableDataBlocks**)taosHashGet(pHashList, (const char*)&id, sizeof(id));
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if (t1 != NULL) {
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*dataBlocks = *t1;
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}
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if (*dataBlocks == NULL) {
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int32_t ret = createDataBlock((size_t)size, rowSize, startOffset, pTableMeta, dataBlocks);
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if (ret != TSDB_CODE_SUCCESS) {
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return ret;
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}
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taosHashPut(pHashList, (const char*)&id, sizeof(int64_t), (char*)dataBlocks, POINTER_BYTES);
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if (pBlockList) {
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taosArrayPush(pBlockList, dataBlocks);
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}
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}
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return TSDB_CODE_SUCCESS;
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}
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static int32_t getRowExpandSize(STableMeta* pTableMeta) {
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int32_t result = TD_ROW_HEAD_LEN - sizeof(TSKEY);
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int32_t columns = getNumOfColumns(pTableMeta);
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SSchema* pSchema = getTableColumnSchema(pTableMeta);
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for (int32_t i = 0; i < columns; ++i) {
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if (IS_VAR_DATA_TYPE((pSchema + i)->type)) {
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result += TYPE_BYTES[TSDB_DATA_TYPE_BINARY];
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}
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}
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result += (int32_t)TD_BITMAP_BYTES(columns - 1);
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return result;
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}
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static void destroyDataBlock(STableDataBlocks* pDataBlock) {
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if (pDataBlock == NULL) {
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return;
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}
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tfree(pDataBlock->pData);
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if (!pDataBlock->cloned) {
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// free the refcount for metermeta
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if (pDataBlock->pTableMeta != NULL) {
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tfree(pDataBlock->pTableMeta);
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}
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destroyBoundColumnInfo(&pDataBlock->boundColumnInfo);
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}
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tfree(pDataBlock);
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}
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void destroyBlockArrayList(SArray* pDataBlockList) {
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if (pDataBlockList == NULL) {
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return;
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}
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size_t size = taosArrayGetSize(pDataBlockList);
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for (int32_t i = 0; i < size; i++) {
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void* p = taosArrayGetP(pDataBlockList, i);
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destroyDataBlock(p);
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}
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taosArrayDestroy(pDataBlockList);
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}
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void destroyBlockHashmap(SHashObj* pDataBlockHash) {
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if (pDataBlockHash == NULL) {
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return;
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}
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void** p1 = taosHashIterate(pDataBlockHash, NULL);
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while (p1) {
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STableDataBlocks* pBlocks = *p1;
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destroyDataBlock(pBlocks);
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p1 = taosHashIterate(pDataBlockHash, p1);
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}
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taosHashCleanup(pDataBlockHash);
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}
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// data block is disordered, sort it in ascending order
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void sortRemoveDataBlockDupRowsRaw(STableDataBlocks *dataBuf) {
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SSubmitBlk *pBlocks = (SSubmitBlk *)dataBuf->pData;
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// size is less than the total size, since duplicated rows may be removed yet.
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assert(pBlocks->numOfRows * dataBuf->rowSize + sizeof(SSubmitBlk) == dataBuf->size);
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if (!dataBuf->ordered) {
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char *pBlockData = pBlocks->data;
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qsort(pBlockData, pBlocks->numOfRows, dataBuf->rowSize, rowDataCompar);
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int32_t i = 0;
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int32_t j = 1;
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// delete rows with timestamp conflicts
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while (j < pBlocks->numOfRows) {
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TSKEY ti = *(TSKEY *)(pBlockData + dataBuf->rowSize * i);
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TSKEY tj = *(TSKEY *)(pBlockData + dataBuf->rowSize * j);
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if (ti == tj) {
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++j;
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continue;
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}
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int32_t nextPos = (++i);
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if (nextPos != j) {
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memmove(pBlockData + dataBuf->rowSize * nextPos, pBlockData + dataBuf->rowSize * j, dataBuf->rowSize);
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}
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++j;
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}
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dataBuf->ordered = true;
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pBlocks->numOfRows = i + 1;
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dataBuf->size = sizeof(SSubmitBlk) + dataBuf->rowSize * pBlocks->numOfRows;
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}
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dataBuf->prevTS = INT64_MIN;
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}
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// data block is disordered, sort it in ascending order
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int sortRemoveDataBlockDupRows(STableDataBlocks *dataBuf, SBlockKeyInfo *pBlkKeyInfo) {
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SSubmitBlk *pBlocks = (SSubmitBlk *)dataBuf->pData;
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int16_t nRows = pBlocks->numOfRows;
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// size is less than the total size, since duplicated rows may be removed yet.
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// allocate memory
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size_t nAlloc = nRows * sizeof(SBlockKeyTuple);
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if (pBlkKeyInfo->pKeyTuple == NULL || pBlkKeyInfo->maxBytesAlloc < nAlloc) {
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char *tmp = realloc(pBlkKeyInfo->pKeyTuple, nAlloc);
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if (tmp == NULL) {
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return TSDB_CODE_TSC_OUT_OF_MEMORY;
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}
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pBlkKeyInfo->pKeyTuple = (SBlockKeyTuple *)tmp;
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pBlkKeyInfo->maxBytesAlloc = (int32_t)nAlloc;
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}
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memset(pBlkKeyInfo->pKeyTuple, 0, nAlloc);
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int32_t extendedRowSize = getExtendedRowSize(dataBuf);
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SBlockKeyTuple *pBlkKeyTuple = pBlkKeyInfo->pKeyTuple;
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char * pBlockData = pBlocks->data;
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int n = 0;
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while (n < nRows) {
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pBlkKeyTuple->skey = TD_ROW_KEY((STSRow *)pBlockData);
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pBlkKeyTuple->payloadAddr = pBlockData;
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// next loop
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pBlockData += extendedRowSize;
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++pBlkKeyTuple;
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++n;
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}
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if (!dataBuf->ordered) {
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pBlkKeyTuple = pBlkKeyInfo->pKeyTuple;
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qsort(pBlkKeyTuple, nRows, sizeof(SBlockKeyTuple), rowDataCompar);
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pBlkKeyTuple = pBlkKeyInfo->pKeyTuple;
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int32_t i = 0;
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int32_t j = 1;
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while (j < nRows) {
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TSKEY ti = (pBlkKeyTuple + i)->skey;
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TSKEY tj = (pBlkKeyTuple + j)->skey;
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if (ti == tj) {
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++j;
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continue;
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}
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int32_t nextPos = (++i);
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if (nextPos != j) {
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memmove(pBlkKeyTuple + nextPos, pBlkKeyTuple + j, sizeof(SBlockKeyTuple));
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}
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++j;
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}
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dataBuf->ordered = true;
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pBlocks->numOfRows = i + 1;
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}
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dataBuf->size = sizeof(SSubmitBlk) + pBlocks->numOfRows * extendedRowSize;
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dataBuf->prevTS = INT64_MIN;
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return 0;
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}
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// Erase the empty space reserved for binary data
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static int trimDataBlock(void* pDataBlock, STableDataBlocks* pTableDataBlock, SBlockKeyTuple* blkKeyTuple, int8_t schemaAttached, bool isRawPayload) {
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// TODO: optimize this function, handle the case while binary is not presented
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STableMeta* pTableMeta = pTableDataBlock->pTableMeta;
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STableComInfo tinfo = getTableInfo(pTableMeta);
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SSchema* pSchema = getTableColumnSchema(pTableMeta);
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SSubmitBlk* pBlock = pDataBlock;
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memcpy(pDataBlock, pTableDataBlock->pData, sizeof(SSubmitBlk));
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pDataBlock = (char*)pDataBlock + sizeof(SSubmitBlk);
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int32_t flen = 0; // original total length of row
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// schema needs to be included into the submit data block
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if (schemaAttached) {
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int32_t numOfCols = getNumOfColumns(pTableDataBlock->pTableMeta);
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for(int32_t j = 0; j < numOfCols; ++j) {
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STColumn* pCol = (STColumn*) pDataBlock;
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pCol->colId = htons(pSchema[j].colId);
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pCol->type = pSchema[j].type;
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pCol->bytes = htons(pSchema[j].bytes);
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pCol->offset = 0;
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pDataBlock = (char*)pDataBlock + sizeof(STColumn);
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flen += TYPE_BYTES[pSchema[j].type];
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}
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int32_t schemaSize = sizeof(STColumn) * numOfCols;
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pBlock->schemaLen = schemaSize;
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} else {
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if (isRawPayload) {
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for (int32_t j = 0; j < tinfo.numOfColumns; ++j) {
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flen += TYPE_BYTES[pSchema[j].type];
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}
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}
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pBlock->schemaLen = 0;
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}
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char* p = pTableDataBlock->pData + sizeof(SSubmitBlk);
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pBlock->dataLen = 0;
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int32_t numOfRows = pBlock->numOfRows;
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if (isRawPayload) {
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SRowBuilder builder = {0};
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tdSRowInit(&builder, pTableMeta->sversion);
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tdSRowSetInfo(&builder, getNumOfColumns(pTableMeta), -1, flen);
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for (int32_t i = 0; i < numOfRows; ++i) {
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tdSRowResetBuf(&builder, pDataBlock);
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int toffset = 0;
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for (int32_t j = 0; j < tinfo.numOfColumns; ++j) {
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int8_t colType = pSchema[j].type;
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uint8_t valType = isNull(p, colType) ? TD_VTYPE_NULL : TD_VTYPE_NORM;
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tdAppendColValToRow(&builder, pSchema[j].colId, colType, valType, p, true, toffset, j);
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toffset += TYPE_BYTES[colType];
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p += pSchema[j].bytes;
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}
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int32_t rowLen = TD_ROW_LEN((STSRow*)pDataBlock);
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pDataBlock = (char*)pDataBlock + rowLen;
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pBlock->dataLen += rowLen;
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}
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} else {
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for (int32_t i = 0; i < numOfRows; ++i) {
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char* payload = (blkKeyTuple + i)->payloadAddr;
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TDRowLenT rowTLen = TD_ROW_LEN((STSRow*)payload);
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memcpy(pDataBlock, payload, rowTLen);
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pDataBlock = POINTER_SHIFT(pDataBlock, rowTLen);
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pBlock->dataLen += rowTLen;
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}
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}
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return pBlock->dataLen + pBlock->schemaLen;
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}
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int32_t mergeTableDataBlocks(SHashObj* pHashObj, int8_t schemaAttached, uint8_t payloadType, SArray** pVgDataBlocks) {
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const int INSERT_HEAD_SIZE = sizeof(SSubmitReq);
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int code = 0;
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bool isRawPayload = IS_RAW_PAYLOAD(payloadType);
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SHashObj* pVnodeDataBlockHashList = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), true, false);
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SArray* pVnodeDataBlockList = taosArrayInit(8, POINTER_BYTES);
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STableDataBlocks** p = taosHashIterate(pHashObj, NULL);
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STableDataBlocks* pOneTableBlock = *p;
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SBlockKeyInfo blkKeyInfo = {0}; // share by pOneTableBlock
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while (pOneTableBlock) {
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SSubmitBlk* pBlocks = (SSubmitBlk*) pOneTableBlock->pData;
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if (pBlocks->numOfRows > 0) {
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STableDataBlocks* dataBuf = NULL;
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int32_t ret = getDataBlockFromList(pVnodeDataBlockHashList, pOneTableBlock->vgId, TSDB_PAYLOAD_SIZE,
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INSERT_HEAD_SIZE, 0, pOneTableBlock->pTableMeta, &dataBuf, pVnodeDataBlockList);
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if (ret != TSDB_CODE_SUCCESS) {
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taosHashCleanup(pVnodeDataBlockHashList);
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destroyBlockArrayList(pVnodeDataBlockList);
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tfree(blkKeyInfo.pKeyTuple);
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return ret;
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}
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// the maximum expanded size in byte when a row-wise data is converted to SDataRow format
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int32_t expandSize = isRawPayload ? getRowExpandSize(pOneTableBlock->pTableMeta) : 0;
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int64_t destSize = dataBuf->size + pOneTableBlock->size + pBlocks->numOfRows * expandSize +
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sizeof(STColumn) * getNumOfColumns(pOneTableBlock->pTableMeta);
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if (dataBuf->nAllocSize < destSize) {
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dataBuf->nAllocSize = (uint32_t)(destSize * 1.5);
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char* tmp = realloc(dataBuf->pData, dataBuf->nAllocSize);
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if (tmp != NULL) {
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dataBuf->pData = tmp;
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} else { // failed to allocate memory, free already allocated memory and return error code
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taosHashCleanup(pVnodeDataBlockHashList);
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destroyBlockArrayList(pVnodeDataBlockList);
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tfree(dataBuf->pData);
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tfree(blkKeyInfo.pKeyTuple);
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return TSDB_CODE_TSC_OUT_OF_MEMORY;
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}
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}
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if (isRawPayload) {
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sortRemoveDataBlockDupRowsRaw(pOneTableBlock);
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} else {
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if ((code = sortRemoveDataBlockDupRows(pOneTableBlock, &blkKeyInfo)) != 0) {
|
|
taosHashCleanup(pVnodeDataBlockHashList);
|
|
destroyBlockArrayList(pVnodeDataBlockList);
|
|
tfree(dataBuf->pData);
|
|
tfree(blkKeyInfo.pKeyTuple);
|
|
return code;
|
|
}
|
|
ASSERT(blkKeyInfo.pKeyTuple != NULL && pBlocks->numOfRows > 0);
|
|
}
|
|
|
|
int32_t len = pBlocks->numOfRows *
|
|
(isRawPayload ? (pOneTableBlock->rowSize + expandSize) : getExtendedRowSize(pOneTableBlock)) +
|
|
sizeof(STColumn) * getNumOfColumns(pOneTableBlock->pTableMeta);
|
|
|
|
// erase the empty space reserved for binary data
|
|
int32_t finalLen = trimDataBlock(dataBuf->pData + dataBuf->size, pOneTableBlock, blkKeyInfo.pKeyTuple, schemaAttached, isRawPayload);
|
|
assert(finalLen <= len);
|
|
|
|
dataBuf->size += (finalLen + sizeof(SSubmitBlk));
|
|
assert(dataBuf->size <= dataBuf->nAllocSize);
|
|
dataBuf->numOfTables += 1;
|
|
}
|
|
|
|
p = taosHashIterate(pHashObj, p);
|
|
if (p == NULL) {
|
|
break;
|
|
}
|
|
|
|
pOneTableBlock = *p;
|
|
}
|
|
|
|
// free the table data blocks;
|
|
taosHashCleanup(pVnodeDataBlockHashList);
|
|
tfree(blkKeyInfo.pKeyTuple);
|
|
*pVgDataBlocks = pVnodeDataBlockList;
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
int32_t allocateMemIfNeed(STableDataBlocks *pDataBlock, int32_t rowSize, int32_t * numOfRows) {
|
|
size_t remain = pDataBlock->nAllocSize - pDataBlock->size;
|
|
const int factor = 5;
|
|
uint32_t nAllocSizeOld = pDataBlock->nAllocSize;
|
|
|
|
// expand the allocated size
|
|
if (remain < rowSize * factor) {
|
|
while (remain < rowSize * factor) {
|
|
pDataBlock->nAllocSize = (uint32_t)(pDataBlock->nAllocSize * 1.5);
|
|
remain = pDataBlock->nAllocSize - pDataBlock->size;
|
|
}
|
|
|
|
char *tmp = realloc(pDataBlock->pData, (size_t)pDataBlock->nAllocSize);
|
|
if (tmp != NULL) {
|
|
pDataBlock->pData = tmp;
|
|
memset(pDataBlock->pData + pDataBlock->size, 0, pDataBlock->nAllocSize - pDataBlock->size);
|
|
} else {
|
|
// do nothing, if allocate more memory failed
|
|
pDataBlock->nAllocSize = nAllocSizeOld;
|
|
*numOfRows = (int32_t)(pDataBlock->nAllocSize - pDataBlock->headerSize) / rowSize;
|
|
return TSDB_CODE_TSC_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
|
|
*numOfRows = (int32_t)(pDataBlock->nAllocSize - pDataBlock->headerSize) / rowSize;
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
int initRowBuilder(SRowBuilder *pBuilder, int16_t schemaVer, SParsedDataColInfo *pColInfo) {
|
|
ASSERT(pColInfo->numOfCols > 0 && (pColInfo->numOfBound <= pColInfo->numOfCols));
|
|
tdSRowInit(pBuilder, schemaVer);
|
|
tdSRowSetExtendedInfo(pBuilder, pColInfo->numOfCols, pColInfo->numOfBound, pColInfo->flen, pColInfo->allNullLen,
|
|
pColInfo->boundNullLen);
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|