homework-jianmu/source/libs/command/src/explain.c

1889 lines
79 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// clang-format off
#include "commandInt.h"
#include "plannodes.h"
#include "query.h"
#include "tcommon.h"
#include "tdatablock.h"
#include "systable.h"
int32_t qExplainGenerateResNode(SPhysiNode *pNode, SExplainGroup *group, SExplainResNode **pRes);
int32_t qExplainAppendGroupResRows(void *pCtx, int32_t groupId, int32_t level, bool singleChannel);
void qExplainFreeResNode(SExplainResNode *resNode) {
if (NULL == resNode) {
return;
}
taosArrayDestroy(resNode->pExecInfo);
SNode *node = NULL;
FOREACH(node, resNode->pChildren) { qExplainFreeResNode((SExplainResNode *)node); }
nodesClearList(resNode->pChildren);
taosMemoryFreeClear(resNode);
}
void qExplainFreeCtx(SExplainCtx *pCtx) {
if (NULL == pCtx) {
return;
}
int32_t rowSize = taosArrayGetSize(pCtx->rows);
for (int32_t i = 0; i < rowSize; ++i) {
SQueryExplainRowInfo *row = taosArrayGet(pCtx->rows, i);
taosMemoryFreeClear(row->buf);
}
if (EXPLAIN_MODE_ANALYZE == pCtx->mode && pCtx->groupHash) {
void *pIter = taosHashIterate(pCtx->groupHash, NULL);
while (pIter) {
SExplainGroup *group = (SExplainGroup *)pIter;
if (group->nodeExecInfo) {
int32_t num = taosArrayGetSize(group->nodeExecInfo);
for (int32_t i = 0; i < num; ++i) {
SExplainRsp *rsp = taosArrayGet(group->nodeExecInfo, i);
tFreeSExplainRsp(rsp);
}
taosArrayDestroy(group->nodeExecInfo);
}
pIter = taosHashIterate(pCtx->groupHash, pIter);
}
}
taosHashCleanup(pCtx->groupHash);
taosArrayDestroy(pCtx->rows);
taosMemoryFreeClear(pCtx->tbuf);
taosMemoryFree(pCtx);
}
int32_t qExplainInitCtx(SExplainCtx **pCtx, SHashObj *groupHash, bool verbose, double ratio, EExplainMode mode) {
int32_t code = 0;
SExplainCtx *ctx = taosMemoryCalloc(1, sizeof(SExplainCtx));
if (NULL == ctx) {
qError("calloc SExplainCtx failed");
QRY_ERR_JRET(TSDB_CODE_OUT_OF_MEMORY);
}
SArray *rows = taosArrayInit(10, sizeof(SQueryExplainRowInfo));
if (NULL == rows) {
qError("taosArrayInit SQueryExplainRowInfo failed");
QRY_ERR_JRET(TSDB_CODE_OUT_OF_MEMORY);
}
char *tbuf = taosMemoryMalloc(TSDB_EXPLAIN_RESULT_ROW_SIZE);
if (NULL == tbuf) {
qError("malloc size %d failed", TSDB_EXPLAIN_RESULT_ROW_SIZE);
QRY_ERR_JRET(TSDB_CODE_OUT_OF_MEMORY);
}
ctx->mode = mode;
ctx->verbose = verbose;
ctx->ratio = ratio;
ctx->tbuf = tbuf;
ctx->rows = rows;
ctx->groupHash = groupHash;
*pCtx = ctx;
return TSDB_CODE_SUCCESS;
_return:
taosArrayDestroy(rows);
taosHashCleanup(groupHash);
taosMemoryFree(ctx);
QRY_RET(code);
}
int32_t qExplainGenerateResChildren(SPhysiNode *pNode, SExplainGroup *group, SNodeList **pChildren) {
int32_t tlen = 0;
SNodeList *pPhysiChildren = NULL;
switch (pNode->type) {
case QUERY_NODE_PHYSICAL_PLAN_TAG_SCAN: {
STagScanPhysiNode *pTagScanNode = (STagScanPhysiNode *)pNode;
pPhysiChildren = pTagScanNode->node.pChildren;
break;
}
case QUERY_NODE_PHYSICAL_PLAN_TABLE_SEQ_SCAN:
case QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN: {
STableScanPhysiNode *pTblScanNode = (STableScanPhysiNode *)pNode;
pPhysiChildren = pTblScanNode->scan.node.pChildren;
break;
}
case QUERY_NODE_PHYSICAL_PLAN_SYSTABLE_SCAN: {
SSystemTableScanPhysiNode *pSTblScanNode = (SSystemTableScanPhysiNode *)pNode;
pPhysiChildren = pSTblScanNode->scan.node.pChildren;
break;
}
case QUERY_NODE_PHYSICAL_PLAN_PROJECT: {
SProjectPhysiNode *pPrjNode = (SProjectPhysiNode *)pNode;
pPhysiChildren = pPrjNode->node.pChildren;
break;
}
case QUERY_NODE_PHYSICAL_PLAN_MERGE_JOIN: {
SSortMergeJoinPhysiNode *pJoinNode = (SSortMergeJoinPhysiNode *)pNode;
pPhysiChildren = pJoinNode->node.pChildren;
break;
}
case QUERY_NODE_PHYSICAL_PLAN_HASH_AGG: {
SAggPhysiNode *pAggNode = (SAggPhysiNode *)pNode;
pPhysiChildren = pAggNode->node.pChildren;
break;
}
case QUERY_NODE_PHYSICAL_PLAN_EXCHANGE: {
SExchangePhysiNode *pExchNode = (SExchangePhysiNode *)pNode;
pPhysiChildren = pExchNode->node.pChildren;
break;
}
case QUERY_NODE_PHYSICAL_PLAN_SORT: {
SSortPhysiNode *pSortNode = (SSortPhysiNode *)pNode;
pPhysiChildren = pSortNode->node.pChildren;
break;
}
case QUERY_NODE_PHYSICAL_PLAN_HASH_INTERVAL: {
SIntervalPhysiNode *pIntNode = (SIntervalPhysiNode *)pNode;
pPhysiChildren = pIntNode->window.node.pChildren;
break;
}
case QUERY_NODE_PHYSICAL_PLAN_MERGE_SESSION: {
SSessionWinodwPhysiNode *pSessNode = (SSessionWinodwPhysiNode *)pNode;
pPhysiChildren = pSessNode->window.node.pChildren;
break;
}
case QUERY_NODE_PHYSICAL_PLAN_MERGE_STATE: {
SStateWinodwPhysiNode *pStateNode = (SStateWinodwPhysiNode *)pNode;
pPhysiChildren = pStateNode->window.node.pChildren;
break;
}
case QUERY_NODE_PHYSICAL_PLAN_PARTITION: {
SPartitionPhysiNode *partitionPhysiNode = (SPartitionPhysiNode *)pNode;
pPhysiChildren = partitionPhysiNode->node.pChildren;
break;
}
case QUERY_NODE_PHYSICAL_PLAN_MERGE: {
SMergePhysiNode *mergePhysiNode = (SMergePhysiNode *)pNode;
pPhysiChildren = mergePhysiNode->node.pChildren;
break;
}
case QUERY_NODE_PHYSICAL_PLAN_INDEF_ROWS_FUNC: {
SIndefRowsFuncPhysiNode *indefPhysiNode = (SIndefRowsFuncPhysiNode *)pNode;
pPhysiChildren = indefPhysiNode->node.pChildren;
break;
}
case QUERY_NODE_PHYSICAL_PLAN_MERGE_ALIGNED_INTERVAL: {
SMergeAlignedIntervalPhysiNode *intPhysiNode = (SMergeAlignedIntervalPhysiNode *)pNode;
pPhysiChildren = intPhysiNode->window.node.pChildren;
break;
}
case QUERY_NODE_PHYSICAL_PLAN_FILL: {
SFillPhysiNode *fillPhysiNode = (SFillPhysiNode *)pNode;
pPhysiChildren = fillPhysiNode->node.pChildren;
break;
}
case QUERY_NODE_PHYSICAL_PLAN_TABLE_MERGE_SCAN: {
STableMergeScanPhysiNode *mergePhysiNode = (STableMergeScanPhysiNode *)pNode;
pPhysiChildren = mergePhysiNode->scan.node.pChildren;
break;
}
case QUERY_NODE_PHYSICAL_PLAN_BLOCK_DIST_SCAN: {
SBlockDistScanPhysiNode *distPhysiNode = (SBlockDistScanPhysiNode *)pNode;
pPhysiChildren = distPhysiNode->node.pChildren;
break;
}
case QUERY_NODE_PHYSICAL_PLAN_LAST_ROW_SCAN: {
SLastRowScanPhysiNode *lastRowPhysiNode = (SLastRowScanPhysiNode *)pNode;
pPhysiChildren = lastRowPhysiNode->scan.node.pChildren;
break;
}
case QUERY_NODE_PHYSICAL_PLAN_TABLE_COUNT_SCAN: {
STableCountScanPhysiNode *tableCountPhysiNode = (STableCountScanPhysiNode *)pNode;
pPhysiChildren = tableCountPhysiNode->scan.node.pChildren;
break;
}
case QUERY_NODE_PHYSICAL_PLAN_GROUP_SORT: {
SGroupSortPhysiNode *groupSortPhysiNode = (SGroupSortPhysiNode *)pNode;
pPhysiChildren = groupSortPhysiNode->node.pChildren;
break;
}
case QUERY_NODE_PHYSICAL_PLAN_MERGE_INTERVAL: {
SMergeIntervalPhysiNode *mergeIntPhysiNode = (SMergeIntervalPhysiNode *)pNode;
pPhysiChildren = mergeIntPhysiNode->window.node.pChildren;
break;
}
case QUERY_NODE_PHYSICAL_PLAN_INTERP_FUNC: {
SInterpFuncPhysiNode *interpPhysiNode = (SInterpFuncPhysiNode *)pNode;
pPhysiChildren = interpPhysiNode->node.pChildren;
break;
}
default:
qError("not supported physical node type %d", pNode->type);
QRY_ERR_RET(TSDB_CODE_APP_ERROR);
}
if (pPhysiChildren) {
*pChildren = nodesMakeList();
if (NULL == *pChildren) {
qError("nodesMakeList failed");
QRY_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
}
}
SNode *node = NULL;
SExplainResNode *pResNode = NULL;
FOREACH(node, pPhysiChildren) {
QRY_ERR_RET(qExplainGenerateResNode((SPhysiNode *)node, group, &pResNode));
QRY_ERR_RET(nodesListAppend(*pChildren, (SNode *)pResNode));
}
return TSDB_CODE_SUCCESS;
}
int32_t qExplainGenerateResNodeExecInfo(SPhysiNode *pNode, SArray **pExecInfo, SExplainGroup *group) {
*pExecInfo = taosArrayInit(group->nodeNum, sizeof(SExplainExecInfo));
if (NULL == (*pExecInfo)) {
qError("taosArrayInit %d explainExecInfo failed", group->nodeNum);
return TSDB_CODE_OUT_OF_MEMORY;
}
SExplainRsp *rsp = NULL;
if (group->singleChannel) {
if (0 == group->physiPlanExecIdx) {
group->nodeIdx = 0;
}
rsp = taosArrayGet(group->nodeExecInfo, group->nodeIdx++);
if (group->physiPlanExecIdx >= rsp->numOfPlans) {
qError("physiPlanIdx %d exceed plan num %d", group->physiPlanExecIdx, rsp->numOfPlans);
return TSDB_CODE_APP_ERROR;
}
taosArrayPush(*pExecInfo, rsp->subplanInfo + group->physiPlanExecIdx);
} else {
for (int32_t i = 0; i < group->nodeNum; ++i) {
rsp = taosArrayGet(group->nodeExecInfo, i);
if (group->physiPlanExecIdx >= rsp->numOfPlans) {
qError("physiPlanIdx %d exceed plan num %d", group->physiPlanExecIdx, rsp->numOfPlans);
return TSDB_CODE_APP_ERROR;
}
taosArrayPush(*pExecInfo, rsp->subplanInfo + group->physiPlanExecIdx);
}
}
++group->physiPlanExecIdx;
return TSDB_CODE_SUCCESS;
}
int32_t qExplainGenerateResNode(SPhysiNode *pNode, SExplainGroup *group, SExplainResNode **pResNode) {
if (NULL == pNode) {
*pResNode = NULL;
qError("physical node is NULL");
return TSDB_CODE_APP_ERROR;
}
SExplainResNode *resNode = taosMemoryCalloc(1, sizeof(SExplainResNode));
if (NULL == resNode) {
qError("calloc SPhysiNodeExplainRes failed");
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t code = 0;
resNode->pNode = pNode;
if (group->nodeExecInfo) {
QRY_ERR_JRET(qExplainGenerateResNodeExecInfo(pNode, &resNode->pExecInfo, group));
}
QRY_ERR_JRET(qExplainGenerateResChildren(pNode, group, &resNode->pChildren));
*pResNode = resNode;
return TSDB_CODE_SUCCESS;
_return:
qExplainFreeResNode(resNode);
QRY_RET(code);
}
int32_t qExplainBufAppendExecInfo(SArray *pExecInfo, char *tbuf, int32_t *len) {
int32_t tlen = *len;
int32_t nodeNum = taosArrayGetSize(pExecInfo);
SExplainExecInfo maxExecInfo = {0};
for (int32_t i = 0; i < nodeNum; ++i) {
SExplainExecInfo *execInfo = taosArrayGet(pExecInfo, i);
if (execInfo->startupCost > maxExecInfo.startupCost) {
maxExecInfo.startupCost = execInfo->startupCost;
}
if (execInfo->totalCost > maxExecInfo.totalCost) {
maxExecInfo.totalCost = execInfo->totalCost;
}
if (execInfo->numOfRows > maxExecInfo.numOfRows) {
maxExecInfo.numOfRows = execInfo->numOfRows;
}
}
EXPLAIN_ROW_APPEND(EXPLAIN_EXECINFO_FORMAT, maxExecInfo.startupCost, maxExecInfo.totalCost, maxExecInfo.numOfRows);
*len = tlen;
return TSDB_CODE_SUCCESS;
}
int32_t qExplainBufAppendVerboseExecInfo(SArray *pExecInfo, char *tbuf, int32_t *len) {
int32_t tlen = 0;
bool gotVerbose = false;
int32_t nodeNum = taosArrayGetSize(pExecInfo);
SExplainExecInfo maxExecInfo = {0};
for (int32_t i = 0; i < nodeNum; ++i) {
SExplainExecInfo *execInfo = taosArrayGet(pExecInfo, i);
if (execInfo->verboseInfo) {
gotVerbose = true;
}
}
if (gotVerbose) {
EXPLAIN_ROW_APPEND("exec verbose info");
}
*len = tlen;
return TSDB_CODE_SUCCESS;
}
int32_t qExplainResAppendRow(SExplainCtx *ctx, char *tbuf, int32_t len, int32_t level) {
SQueryExplainRowInfo row = {0};
row.buf = taosMemoryMalloc(len);
if (NULL == row.buf) {
qError("taosMemoryMalloc %d failed", len);
QRY_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
}
memcpy(row.buf, tbuf, len);
row.level = level;
row.len = len;
ctx->dataSize += row.len;
if (NULL == taosArrayPush(ctx->rows, &row)) {
qError("taosArrayPush row to explain res rows failed");
taosMemoryFree(row.buf);
QRY_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
}
return TSDB_CODE_SUCCESS;
}
static uint8_t getIntervalPrecision(SIntervalPhysiNode *pIntNode) {
return ((SColumnNode *)pIntNode->window.pTspk)->node.resType.precision;
}
int32_t qExplainResNodeToRowsImpl(SExplainResNode *pResNode, SExplainCtx *ctx, int32_t level) {
int32_t tlen = 0;
bool isVerboseLine = false;
char *tbuf = ctx->tbuf;
bool verbose = ctx->verbose;
SPhysiNode *pNode = pResNode->pNode;
if (NULL == pNode) {
qError("pyhsical node in explain res node is NULL");
return TSDB_CODE_APP_ERROR;
}
switch (pNode->type) {
case QUERY_NODE_PHYSICAL_PLAN_TAG_SCAN: {
STagScanPhysiNode *pTagScanNode = (STagScanPhysiNode *)pNode;
EXPLAIN_ROW_NEW(level, EXPLAIN_TAG_SCAN_FORMAT, pTagScanNode->tableName.tname);
EXPLAIN_ROW_APPEND(EXPLAIN_LEFT_PARENTHESIS_FORMAT);
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendExecInfo(pResNode->pExecInfo, tbuf, &tlen));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
if (pTagScanNode->pScanPseudoCols) {
EXPLAIN_ROW_APPEND(EXPLAIN_PSEUDO_COLUMNS_FORMAT, pTagScanNode->pScanPseudoCols->length);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pTagScanNode->node.pOutputDataBlockDesc->totalRowSize);
EXPLAIN_ROW_APPEND(EXPLAIN_RIGHT_PARENTHESIS_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
if (verbose) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT,
nodesGetOutputNumFromSlotList(pTagScanNode->node.pOutputDataBlockDesc->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pTagScanNode->node.pOutputDataBlockDesc->outputRowSize);
EXPLAIN_ROW_APPEND_LIMIT(pTagScanNode->node.pLimit);
EXPLAIN_ROW_APPEND_SLIMIT(pTagScanNode->node.pSlimit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendVerboseExecInfo(pResNode->pExecInfo, tbuf, &tlen));
if (tlen) {
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
}
}
break;
}
case QUERY_NODE_PHYSICAL_PLAN_TABLE_SEQ_SCAN:
case QUERY_NODE_PHYSICAL_PLAN_TABLE_MERGE_SCAN:
case QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN: {
STableScanPhysiNode *pTblScanNode = (STableScanPhysiNode *)pNode;
EXPLAIN_ROW_NEW(level,
QUERY_NODE_PHYSICAL_PLAN_TABLE_MERGE_SCAN == pNode->type ? EXPLAIN_TBL_MERGE_SCAN_FORMAT
: EXPLAIN_TBL_SCAN_FORMAT,
pTblScanNode->scan.tableName.tname);
EXPLAIN_ROW_APPEND(EXPLAIN_LEFT_PARENTHESIS_FORMAT);
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendExecInfo(pResNode->pExecInfo, tbuf, &tlen));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT, pTblScanNode->scan.pScanCols->length);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
if (pTblScanNode->scan.pScanPseudoCols) {
EXPLAIN_ROW_APPEND(EXPLAIN_PSEUDO_COLUMNS_FORMAT, pTblScanNode->scan.pScanPseudoCols->length);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pTblScanNode->scan.node.pOutputDataBlockDesc->totalRowSize);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_TABLE_SCAN_FORMAT, pTblScanNode->scanSeq[0], pTblScanNode->scanSeq[1]);
EXPLAIN_ROW_APPEND(EXPLAIN_RIGHT_PARENTHESIS_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
// basic analyze output
if (EXPLAIN_MODE_ANALYZE == ctx->mode) {
EXPLAIN_ROW_NEW(level + 1, "I/O: ");
int32_t nodeNum = taosArrayGetSize(pResNode->pExecInfo);
struct STableScanAnalyzeInfo info = {0};
int32_t maxIndex = 0;
int32_t totalRows = 0;
for (int32_t i = 0; i < nodeNum; ++i) {
SExplainExecInfo *execInfo = taosArrayGet(pResNode->pExecInfo, i);
STableScanAnalyzeInfo *pScanInfo = (STableScanAnalyzeInfo *)execInfo->verboseInfo;
info.totalBlocks += pScanInfo->totalBlocks;
info.loadBlocks += pScanInfo->loadBlocks;
info.totalRows += pScanInfo->totalRows;
info.skipBlocks += pScanInfo->skipBlocks;
info.filterTime += pScanInfo->filterTime;
info.loadBlockStatis += pScanInfo->loadBlockStatis;
info.totalCheckedRows += pScanInfo->totalCheckedRows;
info.filterOutBlocks += pScanInfo->filterOutBlocks;
if (pScanInfo->totalRows > totalRows) {
totalRows = pScanInfo->totalRows;
maxIndex = i;
}
}
EXPLAIN_ROW_APPEND("total_blocks=%.1f", ((double)info.totalBlocks) / nodeNum);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND("load_blocks=%.1f", ((double)info.loadBlocks) / nodeNum);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND("load_block_SMAs=%.1f", ((double)info.loadBlockStatis) / nodeNum);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND("total_rows=%.1f", ((double)info.totalRows) / nodeNum);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND("check_rows=%.1f", ((double)info.totalCheckedRows) / nodeNum);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
// Rows out: Avg 4166.7 rows x 24 workers. Max 4187 rows (seg7) with 0.220 ms to first row, 1.738 ms to end,
// start offset by 1.470 ms.
SExplainExecInfo *execInfo = taosArrayGet(pResNode->pExecInfo, maxIndex);
STableScanAnalyzeInfo *p1 = (STableScanAnalyzeInfo *)execInfo->verboseInfo;
EXPLAIN_ROW_NEW(level + 1, " ");
EXPLAIN_ROW_APPEND("max_row_task=%d, total_rows:%" PRId64 ", ep:%s (cost=%.3f..%.3f)", maxIndex, p1->totalRows,
"tbd", execInfo->startupCost, execInfo->totalCost);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
if (verbose) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT,
nodesGetOutputNumFromSlotList(pTblScanNode->scan.node.pOutputDataBlockDesc->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pTblScanNode->scan.node.pOutputDataBlockDesc->outputRowSize);
EXPLAIN_ROW_APPEND_LIMIT(pTblScanNode->scan.node.pLimit);
EXPLAIN_ROW_APPEND_SLIMIT(pTblScanNode->scan.node.pSlimit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_TIMERANGE_FORMAT, pTblScanNode->scanRange.skey,
pTblScanNode->scanRange.ekey);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (NULL != pTblScanNode->pGroupTags) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_PARTITION_KETS_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_PARTITIONS_FORMAT, pTblScanNode->pGroupTags->length);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
if (pTblScanNode->scan.node.pConditions) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILTER_FORMAT);
QRY_ERR_RET(nodesNodeToSQL(pTblScanNode->scan.node.pConditions, tbuf + VARSTR_HEADER_SIZE,
TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
}
break;
}
case QUERY_NODE_PHYSICAL_PLAN_SYSTABLE_SCAN: {
SSystemTableScanPhysiNode *pSTblScanNode = (SSystemTableScanPhysiNode *)pNode;
EXPLAIN_ROW_NEW(level, EXPLAIN_SYSTBL_SCAN_FORMAT, pSTblScanNode->scan.tableName.tname);
EXPLAIN_ROW_APPEND(EXPLAIN_LEFT_PARENTHESIS_FORMAT);
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendExecInfo(pResNode->pExecInfo, tbuf, &tlen));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT, pSTblScanNode->scan.pScanCols->length);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
if (pSTblScanNode->scan.pScanPseudoCols) {
EXPLAIN_ROW_APPEND(EXPLAIN_PSEUDO_COLUMNS_FORMAT, pSTblScanNode->scan.pScanPseudoCols->length);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pSTblScanNode->scan.node.pOutputDataBlockDesc->totalRowSize);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_RIGHT_PARENTHESIS_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
if (verbose) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT,
nodesGetOutputNumFromSlotList(pSTblScanNode->scan.node.pOutputDataBlockDesc->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pSTblScanNode->scan.node.pOutputDataBlockDesc->outputRowSize);
EXPLAIN_ROW_APPEND_LIMIT(pSTblScanNode->scan.node.pLimit);
EXPLAIN_ROW_APPEND_SLIMIT(pSTblScanNode->scan.node.pSlimit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pSTblScanNode->scan.node.pConditions) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILTER_FORMAT);
QRY_ERR_RET(nodesNodeToSQL(pSTblScanNode->scan.node.pConditions, tbuf + VARSTR_HEADER_SIZE,
TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
}
break;
}
case QUERY_NODE_PHYSICAL_PLAN_PROJECT: {
SProjectPhysiNode *pPrjNode = (SProjectPhysiNode *)pNode;
EXPLAIN_ROW_NEW(level, EXPLAIN_PROJECTION_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_LEFT_PARENTHESIS_FORMAT);
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendExecInfo(pResNode->pExecInfo, tbuf, &tlen));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT, pPrjNode->pProjections->length);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pPrjNode->node.pOutputDataBlockDesc->totalRowSize);
EXPLAIN_ROW_APPEND(EXPLAIN_RIGHT_PARENTHESIS_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
if (verbose) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT,
nodesGetOutputNumFromSlotList(pPrjNode->node.pOutputDataBlockDesc->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pPrjNode->node.pOutputDataBlockDesc->outputRowSize);
EXPLAIN_ROW_APPEND_LIMIT(pPrjNode->node.pLimit);
EXPLAIN_ROW_APPEND_SLIMIT(pPrjNode->node.pSlimit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_IGNORE_GROUPID_FORMAT, pPrjNode->ignoreGroupId ? "true" : "false");
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_MERGEBLOCKS_FORMAT, pPrjNode->mergeDataBlock? "True":"False");
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pPrjNode->node.pConditions) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILTER_FORMAT);
QRY_ERR_RET(nodesNodeToSQL(pPrjNode->node.pConditions, tbuf + VARSTR_HEADER_SIZE,
TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
}
break;
}
case QUERY_NODE_PHYSICAL_PLAN_MERGE_JOIN: {
SSortMergeJoinPhysiNode *pJoinNode = (SSortMergeJoinPhysiNode *)pNode;
EXPLAIN_ROW_NEW(level, EXPLAIN_JOIN_FORMAT, EXPLAIN_JOIN_STRING(pJoinNode->joinType));
EXPLAIN_ROW_APPEND(EXPLAIN_LEFT_PARENTHESIS_FORMAT);
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendExecInfo(pResNode->pExecInfo, tbuf, &tlen));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT, pJoinNode->pTargets->length);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pJoinNode->node.pOutputDataBlockDesc->totalRowSize);
EXPLAIN_ROW_APPEND(EXPLAIN_RIGHT_PARENTHESIS_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
if (verbose) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT,
nodesGetOutputNumFromSlotList(pJoinNode->node.pOutputDataBlockDesc->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pJoinNode->node.pOutputDataBlockDesc->outputRowSize);
EXPLAIN_ROW_APPEND_LIMIT(pJoinNode->node.pLimit);
EXPLAIN_ROW_APPEND_SLIMIT(pJoinNode->node.pSlimit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pJoinNode->node.pConditions) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILTER_FORMAT);
QRY_ERR_RET(nodesNodeToSQL(pJoinNode->node.pConditions, tbuf + VARSTR_HEADER_SIZE,
TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_ON_CONDITIONS_FORMAT);
QRY_ERR_RET(
nodesNodeToSQL(pJoinNode->pMergeCondition, tbuf + VARSTR_HEADER_SIZE, TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
if (pJoinNode->pOnConditions) {
EXPLAIN_ROW_APPEND(" AND ");
QRY_ERR_RET(
nodesNodeToSQL(pJoinNode->pOnConditions, tbuf + VARSTR_HEADER_SIZE, TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
}
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
break;
}
case QUERY_NODE_PHYSICAL_PLAN_HASH_AGG: {
SAggPhysiNode *pAggNode = (SAggPhysiNode *)pNode;
EXPLAIN_ROW_NEW(level, EXPLAIN_AGG_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_LEFT_PARENTHESIS_FORMAT);
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendExecInfo(pResNode->pExecInfo, tbuf, &tlen));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
if (pAggNode->pAggFuncs) {
EXPLAIN_ROW_APPEND(EXPLAIN_FUNCTIONS_FORMAT, pAggNode->pAggFuncs->length);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pAggNode->node.pOutputDataBlockDesc->totalRowSize);
if (pAggNode->pGroupKeys) {
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_GROUPS_FORMAT, pAggNode->pGroupKeys->length);
}
EXPLAIN_ROW_APPEND(EXPLAIN_RIGHT_PARENTHESIS_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
if (verbose) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT,
nodesGetOutputNumFromSlotList(pAggNode->node.pOutputDataBlockDesc->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pAggNode->node.pOutputDataBlockDesc->outputRowSize);
EXPLAIN_ROW_APPEND_LIMIT(pAggNode->node.pLimit);
EXPLAIN_ROW_APPEND_SLIMIT(pAggNode->node.pSlimit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pAggNode->node.pConditions) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILTER_FORMAT);
QRY_ERR_RET(nodesNodeToSQL(pAggNode->node.pConditions, tbuf + VARSTR_HEADER_SIZE,
TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_MERGEBLOCKS_FORMAT, pAggNode->mergeDataBlock? "True":"False");
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
break;
}
case QUERY_NODE_PHYSICAL_PLAN_INDEF_ROWS_FUNC: {
SIndefRowsFuncPhysiNode *pIndefNode = (SIndefRowsFuncPhysiNode *)pNode;
EXPLAIN_ROW_NEW(level, EXPLAIN_INDEF_ROWS_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_LEFT_PARENTHESIS_FORMAT);
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendExecInfo(pResNode->pExecInfo, tbuf, &tlen));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
if (pIndefNode->pFuncs) {
EXPLAIN_ROW_APPEND(EXPLAIN_FUNCTIONS_FORMAT, pIndefNode->pFuncs->length);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pIndefNode->node.pOutputDataBlockDesc->totalRowSize);
EXPLAIN_ROW_APPEND(EXPLAIN_RIGHT_PARENTHESIS_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
if (verbose) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT,
nodesGetOutputNumFromSlotList(pIndefNode->node.pOutputDataBlockDesc->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pIndefNode->node.pOutputDataBlockDesc->outputRowSize);
EXPLAIN_ROW_APPEND_LIMIT(pIndefNode->node.pLimit);
EXPLAIN_ROW_APPEND_SLIMIT(pIndefNode->node.pSlimit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pIndefNode->node.pConditions) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILTER_FORMAT);
QRY_ERR_RET(nodesNodeToSQL(pIndefNode->node.pConditions, tbuf + VARSTR_HEADER_SIZE,
TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
}
break;
}
case QUERY_NODE_PHYSICAL_PLAN_EXCHANGE: {
SExchangePhysiNode *pExchNode = (SExchangePhysiNode *)pNode;
int32_t nodeNum = 0;
for (int32_t i = pExchNode->srcStartGroupId; i <= pExchNode->srcEndGroupId; ++i) {
SExplainGroup *group = taosHashGet(ctx->groupHash, &pExchNode->srcStartGroupId, sizeof(pExchNode->srcStartGroupId));
if (NULL == group) {
qError("exchange src group %d not in groupHash", pExchNode->srcStartGroupId);
QRY_ERR_RET(TSDB_CODE_APP_ERROR);
}
nodeNum += group->nodeNum;
}
EXPLAIN_ROW_NEW(level, EXPLAIN_EXCHANGE_FORMAT, pExchNode->singleChannel ? 1 : nodeNum);
EXPLAIN_ROW_APPEND(EXPLAIN_LEFT_PARENTHESIS_FORMAT);
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendExecInfo(pResNode->pExecInfo, tbuf, &tlen));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pExchNode->node.pOutputDataBlockDesc->totalRowSize);
EXPLAIN_ROW_APPEND(EXPLAIN_RIGHT_PARENTHESIS_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
if (verbose) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT,
nodesGetOutputNumFromSlotList(pExchNode->node.pOutputDataBlockDesc->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pExchNode->node.pOutputDataBlockDesc->outputRowSize);
EXPLAIN_ROW_APPEND_LIMIT(pExchNode->node.pLimit);
EXPLAIN_ROW_APPEND_SLIMIT(pExchNode->node.pSlimit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pExchNode->node.pConditions) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILTER_FORMAT);
QRY_ERR_RET(nodesNodeToSQL(pExchNode->node.pConditions, tbuf + VARSTR_HEADER_SIZE,
TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
}
for (int32_t i = pExchNode->srcStartGroupId; i <= pExchNode->srcEndGroupId; ++i) {
QRY_ERR_RET(qExplainAppendGroupResRows(ctx, i, level + 1, pExchNode->singleChannel));
}
break;
}
case QUERY_NODE_PHYSICAL_PLAN_SORT: {
SSortPhysiNode *pSortNode = (SSortPhysiNode *)pNode;
EXPLAIN_ROW_NEW(level, EXPLAIN_SORT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_LEFT_PARENTHESIS_FORMAT);
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendExecInfo(pResNode->pExecInfo, tbuf, &tlen));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
SDataBlockDescNode *pDescNode = pSortNode->node.pOutputDataBlockDesc;
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT, nodesGetOutputNumFromSlotList(pDescNode->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pDescNode->totalRowSize);
EXPLAIN_ROW_APPEND(EXPLAIN_RIGHT_PARENTHESIS_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
if (EXPLAIN_MODE_ANALYZE == ctx->mode) {
// sort key
EXPLAIN_ROW_NEW(level + 1, "Sort Key: ");
if (pResNode->pExecInfo) {
for (int32_t i = 0; i < LIST_LENGTH(pSortNode->pSortKeys); ++i) {
SOrderByExprNode *ptn = (SOrderByExprNode *)nodesListGetNode(pSortNode->pSortKeys, i);
EXPLAIN_ROW_APPEND("%s ", nodesGetNameFromColumnNode(ptn->pExpr));
}
}
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
// sort method
EXPLAIN_ROW_NEW(level + 1, "Sort Method: ");
int32_t nodeNum = taosArrayGetSize(pResNode->pExecInfo);
SExplainExecInfo *execInfo = taosArrayGet(pResNode->pExecInfo, 0);
SSortExecInfo *pExecInfo = (SSortExecInfo *)execInfo->verboseInfo;
EXPLAIN_ROW_APPEND("%s", pExecInfo->sortMethod == SORT_QSORT_T ? "quicksort" : "merge sort");
if (pExecInfo->sortBuffer > 1024 * 1024) {
EXPLAIN_ROW_APPEND(" Buffers:%.2f Mb", pExecInfo->sortBuffer / (1024 * 1024.0));
} else if (pExecInfo->sortBuffer > 1024) {
EXPLAIN_ROW_APPEND(" Buffers:%.2f Kb", pExecInfo->sortBuffer / (1024.0));
} else {
EXPLAIN_ROW_APPEND(" Buffers:%d b", pExecInfo->sortBuffer);
}
EXPLAIN_ROW_APPEND(" loops:%d", pExecInfo->loops);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
}
if (verbose) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT,
nodesGetOutputNumFromSlotList(pSortNode->node.pOutputDataBlockDesc->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pSortNode->node.pOutputDataBlockDesc->outputRowSize);
EXPLAIN_ROW_APPEND_LIMIT(pSortNode->node.pLimit);
EXPLAIN_ROW_APPEND_SLIMIT(pSortNode->node.pSlimit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pSortNode->node.pConditions) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILTER_FORMAT);
QRY_ERR_RET(nodesNodeToSQL(pSortNode->node.pConditions, tbuf + VARSTR_HEADER_SIZE,
TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
}
break;
}
case QUERY_NODE_PHYSICAL_PLAN_HASH_INTERVAL: {
SIntervalPhysiNode *pIntNode = (SIntervalPhysiNode *)pNode;
EXPLAIN_ROW_NEW(level, EXPLAIN_INTERVAL_FORMAT, nodesGetNameFromColumnNode(pIntNode->window.pTspk));
EXPLAIN_ROW_APPEND(EXPLAIN_LEFT_PARENTHESIS_FORMAT);
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendExecInfo(pResNode->pExecInfo, tbuf, &tlen));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_FUNCTIONS_FORMAT, pIntNode->window.pFuncs->length);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pIntNode->window.node.pOutputDataBlockDesc->totalRowSize);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_INPUT_ORDER_FORMAT, EXPLAIN_ORDER_STRING(pIntNode->window.inputTsOrder));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_OUTPUT_ORDER_TYPE_FORMAT, EXPLAIN_ORDER_STRING(pIntNode->window.outputTsOrder));
EXPLAIN_ROW_APPEND(EXPLAIN_RIGHT_PARENTHESIS_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
if (verbose) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT,
nodesGetOutputNumFromSlotList(pIntNode->window.node.pOutputDataBlockDesc->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pIntNode->window.node.pOutputDataBlockDesc->outputRowSize);
EXPLAIN_ROW_APPEND_LIMIT(pIntNode->window.node.pLimit);
EXPLAIN_ROW_APPEND_SLIMIT(pIntNode->window.node.pSlimit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
uint8_t precision = getIntervalPrecision(pIntNode);
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_TIME_WINDOWS_FORMAT,
INVERAL_TIME_FROM_PRECISION_TO_UNIT(pIntNode->interval, pIntNode->intervalUnit, precision),
pIntNode->intervalUnit, pIntNode->offset, getPrecisionUnit(precision),
INVERAL_TIME_FROM_PRECISION_TO_UNIT(pIntNode->sliding, pIntNode->slidingUnit, precision),
pIntNode->slidingUnit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pIntNode->window.node.pConditions) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILTER_FORMAT);
QRY_ERR_RET(nodesNodeToSQL(pIntNode->window.node.pConditions, tbuf + VARSTR_HEADER_SIZE,
TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_MERGEBLOCKS_FORMAT, pIntNode->window.mergeDataBlock? "True":"False");
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
break;
}
case QUERY_NODE_PHYSICAL_PLAN_MERGE_ALIGNED_INTERVAL: {
SMergeAlignedIntervalPhysiNode *pIntNode = (SMergeAlignedIntervalPhysiNode *)pNode;
EXPLAIN_ROW_NEW(level, EXPLAIN_MERGE_ALIGNED_INTERVAL_FORMAT, nodesGetNameFromColumnNode(pIntNode->window.pTspk));
EXPLAIN_ROW_APPEND(EXPLAIN_LEFT_PARENTHESIS_FORMAT);
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendExecInfo(pResNode->pExecInfo, tbuf, &tlen));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_FUNCTIONS_FORMAT, pIntNode->window.pFuncs->length);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pIntNode->window.node.pOutputDataBlockDesc->totalRowSize);
EXPLAIN_ROW_APPEND(EXPLAIN_RIGHT_PARENTHESIS_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
if (verbose) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT,
nodesGetOutputNumFromSlotList(pIntNode->window.node.pOutputDataBlockDesc->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pIntNode->window.node.pOutputDataBlockDesc->outputRowSize);
EXPLAIN_ROW_APPEND_LIMIT(pIntNode->window.node.pLimit);
EXPLAIN_ROW_APPEND_SLIMIT(pIntNode->window.node.pSlimit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
uint8_t precision = getIntervalPrecision(pIntNode);
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_TIME_WINDOWS_FORMAT,
INVERAL_TIME_FROM_PRECISION_TO_UNIT(pIntNode->interval, pIntNode->intervalUnit, precision),
pIntNode->intervalUnit, pIntNode->offset, getPrecisionUnit(precision),
INVERAL_TIME_FROM_PRECISION_TO_UNIT(pIntNode->sliding, pIntNode->slidingUnit, precision),
pIntNode->slidingUnit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pIntNode->window.node.pConditions) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILTER_FORMAT);
QRY_ERR_RET(nodesNodeToSQL(pIntNode->window.node.pConditions, tbuf + VARSTR_HEADER_SIZE,
TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_MERGEBLOCKS_FORMAT, pIntNode->window.mergeDataBlock? "True":"False");
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
break;
}
case QUERY_NODE_PHYSICAL_PLAN_FILL: {
SFillPhysiNode *pFillNode = (SFillPhysiNode *)pNode;
EXPLAIN_ROW_NEW(level, EXPLAIN_FILL_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_LEFT_PARENTHESIS_FORMAT);
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendExecInfo(pResNode->pExecInfo, tbuf, &tlen));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_MODE_FORMAT, nodesGetFillModeString(pFillNode->mode));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pFillNode->node.pOutputDataBlockDesc->totalRowSize);
EXPLAIN_ROW_APPEND(EXPLAIN_RIGHT_PARENTHESIS_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
if (verbose) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT,
nodesGetOutputNumFromSlotList(pFillNode->node.pOutputDataBlockDesc->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pFillNode->node.pOutputDataBlockDesc->outputRowSize);
EXPLAIN_ROW_APPEND_LIMIT(pFillNode->node.pLimit);
EXPLAIN_ROW_APPEND_SLIMIT(pFillNode->node.pSlimit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pFillNode->pValues) {
SNodeListNode *pValues = (SNodeListNode *)pFillNode->pValues;
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILL_VALUE_FORMAT);
SNode *tNode = NULL;
int32_t i = 0;
FOREACH(tNode, pValues->pNodeList) {
if (i) {
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
SValueNode *tValue = (SValueNode *)tNode;
char *value = nodesGetStrValueFromNode(tValue);
EXPLAIN_ROW_APPEND(EXPLAIN_STRING_TYPE_FORMAT, value);
taosMemoryFree(value);
++i;
}
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_TIMERANGE_FORMAT, pFillNode->timeRange.skey, pFillNode->timeRange.ekey);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pFillNode->node.pConditions) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILTER_FORMAT);
QRY_ERR_RET(nodesNodeToSQL(pFillNode->node.pConditions, tbuf + VARSTR_HEADER_SIZE,
TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
}
break;
}
case QUERY_NODE_PHYSICAL_PLAN_MERGE_SESSION: {
SSessionWinodwPhysiNode *pSessNode = (SSessionWinodwPhysiNode *)pNode;
EXPLAIN_ROW_NEW(level, EXPLAIN_SESSION_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_LEFT_PARENTHESIS_FORMAT);
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendExecInfo(pResNode->pExecInfo, tbuf, &tlen));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_FUNCTIONS_FORMAT, pSessNode->window.pFuncs->length);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pSessNode->window.node.pOutputDataBlockDesc->totalRowSize);
EXPLAIN_ROW_APPEND(EXPLAIN_RIGHT_PARENTHESIS_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
if (verbose) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT,
nodesGetOutputNumFromSlotList(pSessNode->window.node.pOutputDataBlockDesc->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pSessNode->window.node.pOutputDataBlockDesc->outputRowSize);
EXPLAIN_ROW_APPEND_LIMIT(pSessNode->window.node.pLimit);
EXPLAIN_ROW_APPEND_SLIMIT(pSessNode->window.node.pSlimit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_WINDOW_FORMAT, pSessNode->gap);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pSessNode->window.node.pConditions) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILTER_FORMAT);
QRY_ERR_RET(nodesNodeToSQL(pSessNode->window.node.pConditions, tbuf + VARSTR_HEADER_SIZE,
TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
}
break;
}
case QUERY_NODE_PHYSICAL_PLAN_MERGE_STATE: {
SStateWinodwPhysiNode *pStateNode = (SStateWinodwPhysiNode *)pNode;
EXPLAIN_ROW_NEW(level, EXPLAIN_STATE_WINDOW_FORMAT,
nodesGetNameFromColumnNode(((STargetNode *)pStateNode->pStateKey)->pExpr));
EXPLAIN_ROW_APPEND(EXPLAIN_LEFT_PARENTHESIS_FORMAT);
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendExecInfo(pResNode->pExecInfo, tbuf, &tlen));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_FUNCTIONS_FORMAT, pStateNode->window.pFuncs->length);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pStateNode->window.node.pOutputDataBlockDesc->totalRowSize);
EXPLAIN_ROW_APPEND(EXPLAIN_RIGHT_PARENTHESIS_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
if (verbose) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT,
nodesGetOutputNumFromSlotList(pStateNode->window.node.pOutputDataBlockDesc->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pStateNode->window.node.pOutputDataBlockDesc->outputRowSize);
EXPLAIN_ROW_APPEND_LIMIT(pStateNode->window.node.pLimit);
EXPLAIN_ROW_APPEND_SLIMIT(pStateNode->window.node.pSlimit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pStateNode->window.node.pConditions) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILTER_FORMAT);
QRY_ERR_RET(nodesNodeToSQL(pStateNode->window.node.pConditions, tbuf + VARSTR_HEADER_SIZE,
TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
}
break;
}
case QUERY_NODE_PHYSICAL_PLAN_PARTITION: {
SPartitionPhysiNode *pPartNode = (SPartitionPhysiNode *)pNode;
SNode *p = nodesListGetNode(pPartNode->pPartitionKeys, 0);
EXPLAIN_ROW_NEW(level, EXPLAIN_PARITION_FORMAT, nodesGetNameFromColumnNode(p));
EXPLAIN_ROW_APPEND(EXPLAIN_LEFT_PARENTHESIS_FORMAT);
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendExecInfo(pResNode->pExecInfo, tbuf, &tlen));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pPartNode->node.pOutputDataBlockDesc->totalRowSize);
EXPLAIN_ROW_APPEND(EXPLAIN_RIGHT_PARENTHESIS_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
if (verbose) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT,
nodesGetOutputNumFromSlotList(pPartNode->node.pOutputDataBlockDesc->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pPartNode->node.pOutputDataBlockDesc->outputRowSize);
EXPLAIN_ROW_APPEND_LIMIT(pPartNode->node.pLimit);
EXPLAIN_ROW_APPEND_SLIMIT(pPartNode->node.pSlimit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_PARTITION_KETS_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_PARTITIONS_FORMAT, pPartNode->pPartitionKeys->length);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pPartNode->node.pConditions) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILTER_FORMAT);
QRY_ERR_RET(nodesNodeToSQL(pPartNode->node.pConditions, tbuf + VARSTR_HEADER_SIZE,
TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
}
break;
}
case QUERY_NODE_PHYSICAL_PLAN_MERGE: {
SMergePhysiNode *pMergeNode = (SMergePhysiNode *)pNode;
EXPLAIN_ROW_NEW(level, EXPLAIN_MERGE_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_LEFT_PARENTHESIS_FORMAT);
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendExecInfo(pResNode->pExecInfo, tbuf, &tlen));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
SDataBlockDescNode *pDescNode = pMergeNode->node.pOutputDataBlockDesc;
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT, nodesGetOutputNumFromSlotList(pDescNode->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pDescNode->totalRowSize);
EXPLAIN_ROW_APPEND(EXPLAIN_RIGHT_PARENTHESIS_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
if (EXPLAIN_MODE_ANALYZE == ctx->mode) {
// sort key
EXPLAIN_ROW_NEW(level + 1, "Merge Key: ");
if (pResNode->pExecInfo) {
for (int32_t i = 0; i < LIST_LENGTH(pMergeNode->pMergeKeys); ++i) {
SOrderByExprNode *ptn = (SOrderByExprNode *)nodesListGetNode(pMergeNode->pMergeKeys, i);
EXPLAIN_ROW_APPEND("%s ", nodesGetNameFromColumnNode(ptn->pExpr));
}
}
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
// sort method
EXPLAIN_ROW_NEW(level + 1, "Sort Method: ");
int32_t nodeNum = taosArrayGetSize(pResNode->pExecInfo);
SExplainExecInfo *execInfo = taosArrayGet(pResNode->pExecInfo, 0);
SSortExecInfo *pExecInfo = (SSortExecInfo *)execInfo->verboseInfo;
EXPLAIN_ROW_APPEND("%s", pExecInfo->sortMethod == SORT_QSORT_T ? "quicksort" : "merge sort");
if (pExecInfo->sortBuffer > 1024 * 1024) {
EXPLAIN_ROW_APPEND(" Buffers:%.2f Mb", pExecInfo->sortBuffer / (1024 * 1024.0));
} else if (pExecInfo->sortBuffer > 1024) {
EXPLAIN_ROW_APPEND(" Buffers:%.2f Kb", pExecInfo->sortBuffer / (1024.0));
} else {
EXPLAIN_ROW_APPEND(" Buffers:%d b", pExecInfo->sortBuffer);
}
EXPLAIN_ROW_APPEND(" loops:%d", pExecInfo->loops);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
}
if (verbose) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT,
nodesGetOutputNumFromSlotList(pMergeNode->node.pOutputDataBlockDesc->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pMergeNode->node.pOutputDataBlockDesc->outputRowSize);
EXPLAIN_ROW_APPEND_LIMIT(pMergeNode->node.pLimit);
EXPLAIN_ROW_APPEND_SLIMIT(pMergeNode->node.pSlimit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_MERGE_KEYS_FORMAT);
if (pMergeNode->groupSort) {
EXPLAIN_ROW_APPEND(EXPLAIN_STRING_TYPE_FORMAT, "_group_id asc");
if (LIST_LENGTH(pMergeNode->pMergeKeys) > 0) {
EXPLAIN_ROW_APPEND(EXPLAIN_COMMA_FORMAT);
}
}
for (int32_t i = 0; i < LIST_LENGTH(pMergeNode->pMergeKeys); ++i) {
SOrderByExprNode *ptn = (SOrderByExprNode *)nodesListGetNode(pMergeNode->pMergeKeys, i);
EXPLAIN_ROW_APPEND(EXPLAIN_STRING_TYPE_FORMAT, nodesGetNameFromColumnNode(ptn->pExpr));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_STRING_TYPE_FORMAT, EXPLAIN_ORDER_STRING(ptn->order));
if (i != LIST_LENGTH(pMergeNode->pMergeKeys) - 1) {
EXPLAIN_ROW_APPEND(EXPLAIN_COMMA_FORMAT);
}
}
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pMergeNode->node.pConditions) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILTER_FORMAT);
QRY_ERR_RET(nodesNodeToSQL(pMergeNode->node.pConditions, tbuf + VARSTR_HEADER_SIZE,
TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
}
break;
}
case QUERY_NODE_PHYSICAL_PLAN_BLOCK_DIST_SCAN: {
SBlockDistScanPhysiNode *pDistScanNode = (SBlockDistScanPhysiNode *)pNode;
EXPLAIN_ROW_NEW(level, EXPLAIN_DISTBLK_SCAN_FORMAT, pDistScanNode->tableName.tname);
EXPLAIN_ROW_APPEND(EXPLAIN_LEFT_PARENTHESIS_FORMAT);
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendExecInfo(pResNode->pExecInfo, tbuf, &tlen));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT, pDistScanNode->pScanCols->length);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
if (pDistScanNode->pScanPseudoCols) {
EXPLAIN_ROW_APPEND(EXPLAIN_PSEUDO_COLUMNS_FORMAT, pDistScanNode->pScanPseudoCols->length);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pDistScanNode->node.pOutputDataBlockDesc->totalRowSize);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_RIGHT_PARENTHESIS_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
if (verbose) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT,
nodesGetOutputNumFromSlotList(pDistScanNode->node.pOutputDataBlockDesc->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pDistScanNode->node.pOutputDataBlockDesc->outputRowSize);
EXPLAIN_ROW_APPEND_LIMIT(pDistScanNode->node.pLimit);
EXPLAIN_ROW_APPEND_SLIMIT(pDistScanNode->node.pSlimit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pDistScanNode->node.pConditions) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILTER_FORMAT);
QRY_ERR_RET(nodesNodeToSQL(pDistScanNode->node.pConditions, tbuf + VARSTR_HEADER_SIZE,
TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
}
break;
}
case QUERY_NODE_PHYSICAL_PLAN_LAST_ROW_SCAN: {
SLastRowScanPhysiNode *pLastRowNode = (SLastRowScanPhysiNode *)pNode;
EXPLAIN_ROW_NEW(level, EXPLAIN_LASTROW_SCAN_FORMAT, pLastRowNode->scan.tableName.tname);
EXPLAIN_ROW_APPEND(EXPLAIN_LEFT_PARENTHESIS_FORMAT);
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendExecInfo(pResNode->pExecInfo, tbuf, &tlen));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT, pLastRowNode->scan.pScanCols->length);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
if (pLastRowNode->scan.pScanPseudoCols) {
EXPLAIN_ROW_APPEND(EXPLAIN_PSEUDO_COLUMNS_FORMAT, pLastRowNode->scan.pScanPseudoCols->length);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pLastRowNode->scan.node.pOutputDataBlockDesc->totalRowSize);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_RIGHT_PARENTHESIS_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
if (verbose) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT,
nodesGetOutputNumFromSlotList(pLastRowNode->scan.node.pOutputDataBlockDesc->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pLastRowNode->scan.node.pOutputDataBlockDesc->outputRowSize);
EXPLAIN_ROW_APPEND_LIMIT(pLastRowNode->scan.node.pLimit);
EXPLAIN_ROW_APPEND_SLIMIT(pLastRowNode->scan.node.pSlimit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pLastRowNode->scan.node.pConditions) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILTER_FORMAT);
QRY_ERR_RET(nodesNodeToSQL(pLastRowNode->scan.node.pConditions, tbuf + VARSTR_HEADER_SIZE,
TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
}
break;
}
case QUERY_NODE_PHYSICAL_PLAN_TABLE_COUNT_SCAN: {
STableCountScanPhysiNode *pLastRowNode = (STableCountScanPhysiNode *)pNode;
EXPLAIN_ROW_NEW(level, EXPLAIN_TABLE_COUNT_SCAN_FORMAT,
('\0' != pLastRowNode->scan.tableName.tname[0] ? pLastRowNode->scan.tableName.tname : TSDB_INS_TABLE_TABLES));
EXPLAIN_ROW_APPEND(EXPLAIN_LEFT_PARENTHESIS_FORMAT);
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendExecInfo(pResNode->pExecInfo, tbuf, &tlen));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT, LIST_LENGTH(pLastRowNode->scan.pScanCols));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
if (pLastRowNode->scan.pScanPseudoCols) {
EXPLAIN_ROW_APPEND(EXPLAIN_PSEUDO_COLUMNS_FORMAT, pLastRowNode->scan.pScanPseudoCols->length);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pLastRowNode->scan.node.pOutputDataBlockDesc->totalRowSize);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_RIGHT_PARENTHESIS_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
if (verbose) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT,
nodesGetOutputNumFromSlotList(pLastRowNode->scan.node.pOutputDataBlockDesc->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pLastRowNode->scan.node.pOutputDataBlockDesc->outputRowSize);
EXPLAIN_ROW_APPEND_LIMIT(pLastRowNode->scan.node.pLimit);
EXPLAIN_ROW_APPEND_SLIMIT(pLastRowNode->scan.node.pSlimit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pLastRowNode->scan.node.pConditions) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILTER_FORMAT);
QRY_ERR_RET(nodesNodeToSQL(pLastRowNode->scan.node.pConditions, tbuf + VARSTR_HEADER_SIZE,
TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
}
break;
}
case QUERY_NODE_PHYSICAL_PLAN_GROUP_SORT: {
SGroupSortPhysiNode *pSortNode = (SGroupSortPhysiNode *)pNode;
EXPLAIN_ROW_NEW(level, EXPLAIN_GROUP_SORT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_LEFT_PARENTHESIS_FORMAT);
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendExecInfo(pResNode->pExecInfo, tbuf, &tlen));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
SDataBlockDescNode *pDescNode = pSortNode->node.pOutputDataBlockDesc;
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT, nodesGetOutputNumFromSlotList(pDescNode->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pDescNode->totalRowSize);
EXPLAIN_ROW_APPEND(EXPLAIN_RIGHT_PARENTHESIS_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
if (EXPLAIN_MODE_ANALYZE == ctx->mode) {
// sort key
EXPLAIN_ROW_NEW(level + 1, "Sort Key: ");
if (pResNode->pExecInfo) {
for (int32_t i = 0; i < LIST_LENGTH(pSortNode->pSortKeys); ++i) {
SOrderByExprNode *ptn = (SOrderByExprNode *)nodesListGetNode(pSortNode->pSortKeys, i);
EXPLAIN_ROW_APPEND("%s ", nodesGetNameFromColumnNode(ptn->pExpr));
}
}
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
// sort method
EXPLAIN_ROW_NEW(level + 1, "Sort Method: ");
int32_t nodeNum = taosArrayGetSize(pResNode->pExecInfo);
SExplainExecInfo *execInfo = taosArrayGet(pResNode->pExecInfo, 0);
SSortExecInfo *pExecInfo = (SSortExecInfo *)execInfo->verboseInfo;
EXPLAIN_ROW_APPEND("%s", pExecInfo->sortMethod == SORT_QSORT_T ? "quicksort" : "merge sort");
if (pExecInfo->sortBuffer > 1024 * 1024) {
EXPLAIN_ROW_APPEND(" Buffers:%.2f Mb", pExecInfo->sortBuffer / (1024 * 1024.0));
} else if (pExecInfo->sortBuffer > 1024) {
EXPLAIN_ROW_APPEND(" Buffers:%.2f Kb", pExecInfo->sortBuffer / (1024.0));
} else {
EXPLAIN_ROW_APPEND(" Buffers:%d b", pExecInfo->sortBuffer);
}
EXPLAIN_ROW_APPEND(" loops:%d", pExecInfo->loops);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
}
if (verbose) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT,
nodesGetOutputNumFromSlotList(pSortNode->node.pOutputDataBlockDesc->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pSortNode->node.pOutputDataBlockDesc->outputRowSize);
EXPLAIN_ROW_APPEND_LIMIT(pSortNode->node.pLimit);
EXPLAIN_ROW_APPEND_SLIMIT(pSortNode->node.pSlimit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pSortNode->node.pConditions) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILTER_FORMAT);
QRY_ERR_RET(nodesNodeToSQL(pSortNode->node.pConditions, tbuf + VARSTR_HEADER_SIZE,
TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
}
break;
}
case QUERY_NODE_PHYSICAL_PLAN_MERGE_INTERVAL: {
SMergeIntervalPhysiNode *pIntNode = (SMergeIntervalPhysiNode *)pNode;
EXPLAIN_ROW_NEW(level, EXPLAIN_MERGE_INTERVAL_FORMAT, nodesGetNameFromColumnNode(pIntNode->window.pTspk));
EXPLAIN_ROW_APPEND(EXPLAIN_LEFT_PARENTHESIS_FORMAT);
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendExecInfo(pResNode->pExecInfo, tbuf, &tlen));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_FUNCTIONS_FORMAT, pIntNode->window.pFuncs->length);
EXPLAIN_ROW_APPEND(EXPLAIN_RIGHT_PARENTHESIS_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
if (verbose) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT,
nodesGetOutputNumFromSlotList(pIntNode->window.node.pOutputDataBlockDesc->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pIntNode->window.node.pOutputDataBlockDesc->outputRowSize);
EXPLAIN_ROW_APPEND_LIMIT(pIntNode->window.node.pLimit);
EXPLAIN_ROW_APPEND_SLIMIT(pIntNode->window.node.pSlimit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
uint8_t precision = getIntervalPrecision(pIntNode);
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_TIME_WINDOWS_FORMAT,
INVERAL_TIME_FROM_PRECISION_TO_UNIT(pIntNode->interval, pIntNode->intervalUnit, precision),
pIntNode->intervalUnit, pIntNode->offset, getPrecisionUnit(precision),
INVERAL_TIME_FROM_PRECISION_TO_UNIT(pIntNode->sliding, pIntNode->slidingUnit, precision),
pIntNode->slidingUnit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pIntNode->window.node.pConditions) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILTER_FORMAT);
QRY_ERR_RET(nodesNodeToSQL(pIntNode->window.node.pConditions, tbuf + VARSTR_HEADER_SIZE,
TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
}
break;
}
case QUERY_NODE_PHYSICAL_PLAN_INTERP_FUNC: {
SInterpFuncPhysiNode *pInterpNode = (SInterpFuncPhysiNode *)pNode;
EXPLAIN_ROW_NEW(level, EXPLAIN_INTERP_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_LEFT_PARENTHESIS_FORMAT);
if (pResNode->pExecInfo) {
QRY_ERR_RET(qExplainBufAppendExecInfo(pResNode->pExecInfo, tbuf, &tlen));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
if (pInterpNode->pFuncs) {
EXPLAIN_ROW_APPEND(EXPLAIN_FUNCTIONS_FORMAT, pInterpNode->pFuncs->length);
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
EXPLAIN_ROW_APPEND(EXPLAIN_MODE_FORMAT, nodesGetFillModeString(pInterpNode->fillMode));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_RIGHT_PARENTHESIS_FORMAT);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level));
if (verbose) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_OUTPUT_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_COLUMNS_FORMAT,
nodesGetOutputNumFromSlotList(pInterpNode->node.pOutputDataBlockDesc->pSlots));
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
EXPLAIN_ROW_APPEND(EXPLAIN_WIDTH_FORMAT, pInterpNode->node.pOutputDataBlockDesc->outputRowSize);
EXPLAIN_ROW_APPEND_LIMIT(pInterpNode->node.pLimit);
EXPLAIN_ROW_APPEND_SLIMIT(pInterpNode->node.pSlimit);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pInterpNode->pFillValues) {
SNodeListNode *pValues = (SNodeListNode *)pInterpNode->pFillValues;
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILL_VALUE_FORMAT);
SNode *tNode = NULL;
int32_t i = 0;
FOREACH(tNode, pValues->pNodeList) {
if (i) {
EXPLAIN_ROW_APPEND(EXPLAIN_BLANK_FORMAT);
}
SValueNode *tValue = (SValueNode *)tNode;
char *value = nodesGetStrValueFromNode(tValue);
EXPLAIN_ROW_APPEND(EXPLAIN_STRING_TYPE_FORMAT, value);
taosMemoryFree(value);
++i;
}
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_INTERVAL_VALUE_FORMAT, pInterpNode->interval, pInterpNode->intervalUnit);
EXPLAIN_ROW_END();
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_TIMERANGE_FORMAT, pInterpNode->timeRange.skey, pInterpNode->timeRange.ekey);
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
if (pInterpNode->node.pConditions) {
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_FILTER_FORMAT);
QRY_ERR_RET(nodesNodeToSQL(pInterpNode->node.pConditions, tbuf + VARSTR_HEADER_SIZE,
TSDB_EXPLAIN_RESULT_ROW_SIZE, &tlen));
EXPLAIN_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
}
}
break;
}
default:
qError("not supported physical node type %d", pNode->type);
return TSDB_CODE_APP_ERROR;
}
return TSDB_CODE_SUCCESS;
}
int32_t qExplainResNodeToRows(SExplainResNode *pResNode, SExplainCtx *ctx, int32_t level) {
if (NULL == pResNode) {
qError("explain res node is NULL");
QRY_ERR_RET(TSDB_CODE_APP_ERROR);
}
int32_t code = 0;
QRY_ERR_RET(qExplainResNodeToRowsImpl(pResNode, ctx, level));
SNode *pNode = NULL;
FOREACH(pNode, pResNode->pChildren) { QRY_ERR_RET(qExplainResNodeToRows((SExplainResNode *)pNode, ctx, level + 1)); }
return TSDB_CODE_SUCCESS;
}
int32_t qExplainAppendGroupResRows(void *pCtx, int32_t groupId, int32_t level, bool singleChannel) {
SExplainResNode *node = NULL;
int32_t code = 0;
SExplainCtx *ctx = (SExplainCtx *)pCtx;
SExplainGroup *group = taosHashGet(ctx->groupHash, &groupId, sizeof(groupId));
if (NULL == group) {
qError("group %d not in groupHash", groupId);
QRY_ERR_RET(TSDB_CODE_APP_ERROR);
}
group->singleChannel = singleChannel;
group->physiPlanExecIdx = 0;
QRY_ERR_RET(qExplainGenerateResNode(group->plan->pNode, group, &node));
QRY_ERR_JRET(qExplainResNodeToRows(node, ctx, level));
_return:
qExplainFreeResNode(node);
QRY_RET(code);
}
int32_t qExplainGetRspFromCtx(void *ctx, SRetrieveTableRsp **pRsp) {
SExplainCtx *pCtx = (SExplainCtx *)ctx;
int32_t rowNum = taosArrayGetSize(pCtx->rows);
if (rowNum <= 0) {
qError("empty explain res rows");
QRY_ERR_RET(TSDB_CODE_APP_ERROR);
}
SSDataBlock *pBlock = createDataBlock();
SColumnInfoData infoData = createColumnInfoData(TSDB_DATA_TYPE_VARCHAR, TSDB_EXPLAIN_RESULT_ROW_SIZE, 1);
blockDataAppendColInfo(pBlock, &infoData);
blockDataEnsureCapacity(pBlock, rowNum);
SColumnInfoData *pInfoData = taosArrayGet(pBlock->pDataBlock, 0);
for (int32_t i = 0; i < rowNum; ++i) {
SQueryExplainRowInfo *row = taosArrayGet(pCtx->rows, i);
colDataAppend(pInfoData, i, row->buf, false);
}
pBlock->info.rows = rowNum;
int32_t rspSize = sizeof(SRetrieveTableRsp) + blockGetEncodeSize(pBlock);
SRetrieveTableRsp *rsp = (SRetrieveTableRsp *)taosMemoryCalloc(1, rspSize);
if (NULL == rsp) {
qError("malloc SRetrieveTableRsp failed, size:%d", rspSize);
blockDataDestroy(pBlock);
QRY_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
}
rsp->completed = 1;
rsp->numOfRows = htobe64((int64_t)rowNum);
int32_t len = blockEncode(pBlock, rsp->data, taosArrayGetSize(pBlock->pDataBlock));
rsp->compLen = htonl(len);
blockDataDestroy(pBlock);
*pRsp = rsp;
return TSDB_CODE_SUCCESS;
}
int32_t qExplainPrepareCtx(SQueryPlan *pDag, SExplainCtx **pCtx) {
int32_t code = 0;
SNodeListNode *plans = NULL;
int32_t taskNum = 0;
SExplainGroup *pGroup = NULL;
SExplainCtx *ctx = NULL;
if (pDag->numOfSubplans <= 0) {
qError("invalid subplan num:%d", pDag->numOfSubplans);
QRY_ERR_RET(TSDB_CODE_QRY_INVALID_INPUT);
}
int32_t levelNum = (int32_t)LIST_LENGTH(pDag->pSubplans);
if (levelNum <= 0) {
qError("invalid level num:%d", levelNum);
QRY_ERR_RET(TSDB_CODE_QRY_INVALID_INPUT);
}
SHashObj *groupHash =
taosHashInit(EXPLAIN_MAX_GROUP_NUM, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), false, HASH_NO_LOCK);
if (NULL == groupHash) {
qError("groupHash %d failed", EXPLAIN_MAX_GROUP_NUM);
QRY_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
}
QRY_ERR_JRET(
qExplainInitCtx(&ctx, groupHash, pDag->explainInfo.verbose, pDag->explainInfo.ratio, pDag->explainInfo.mode));
for (int32_t i = 0; i < levelNum; ++i) {
plans = (SNodeListNode *)nodesListGetNode(pDag->pSubplans, i);
if (NULL == plans) {
qError("empty level plan, level:%d", i);
QRY_ERR_JRET(TSDB_CODE_QRY_INVALID_INPUT);
}
taskNum = (int32_t)LIST_LENGTH(plans->pNodeList);
if (taskNum <= 0) {
qError("invalid level plan number:%d, level:%d", taskNum, i);
QRY_ERR_JRET(TSDB_CODE_QRY_INVALID_INPUT);
}
SSubplan *plan = NULL;
for (int32_t n = 0; n < taskNum; ++n) {
plan = (SSubplan *)nodesListGetNode(plans->pNodeList, n);
pGroup = taosHashGet(groupHash, &plan->id.groupId, sizeof(plan->id.groupId));
if (pGroup) {
++pGroup->nodeNum;
continue;
}
SExplainGroup group = {0};
group.nodeNum = 1;
group.plan = plan;
if (0 != taosHashPut(groupHash, &plan->id.groupId, sizeof(plan->id.groupId), &group, sizeof(group))) {
qError("taosHashPut to explainGroupHash failed, taskIdx:%d", n);
QRY_ERR_JRET(TSDB_CODE_OUT_OF_MEMORY);
}
}
if (0 == i) {
if (taskNum > 1) {
qError("invalid taskNum %d for level 0", taskNum);
QRY_ERR_JRET(TSDB_CODE_QRY_INVALID_INPUT);
}
ctx->rootGroupId = plan->id.groupId;
}
qDebug("level %d group handled, taskNum:%d", i, taskNum);
}
*pCtx = ctx;
return TSDB_CODE_SUCCESS;
_return:
qExplainFreeCtx(ctx);
QRY_RET(code);
}
int32_t qExplainAppendPlanRows(SExplainCtx *pCtx) {
if (EXPLAIN_MODE_ANALYZE != pCtx->mode) {
return TSDB_CODE_SUCCESS;
}
int32_t tlen = 0;
char *tbuf = pCtx->tbuf;
EXPLAIN_SUM_ROW_NEW(EXPLAIN_RATIO_TIME_FORMAT, pCtx->ratio);
EXPLAIN_SUM_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(pCtx, tbuf, tlen, 0));
EXPLAIN_SUM_ROW_NEW(EXPLAIN_PLANNING_TIME_FORMAT, (double)(pCtx->jobStartTs - pCtx->reqStartTs) / 1000.0);
EXPLAIN_SUM_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(pCtx, tbuf, tlen, 0));
EXPLAIN_SUM_ROW_NEW(EXPLAIN_EXEC_TIME_FORMAT, (double)(pCtx->jobDoneTs - pCtx->jobStartTs) / 1000.0);
EXPLAIN_SUM_ROW_END();
QRY_ERR_RET(qExplainResAppendRow(pCtx, tbuf, tlen, 0));
return TSDB_CODE_SUCCESS;
}
int32_t qExplainGenerateRsp(SExplainCtx *pCtx, SRetrieveTableRsp **pRsp) {
QRY_ERR_RET(qExplainAppendGroupResRows(pCtx, pCtx->rootGroupId, 0, false));
QRY_ERR_RET(qExplainAppendPlanRows(pCtx));
QRY_ERR_RET(qExplainGetRspFromCtx(pCtx, pRsp));
return TSDB_CODE_SUCCESS;
}
int32_t qExplainUpdateExecInfo(SExplainCtx *pCtx, SExplainRsp *pRspMsg, int32_t groupId, SRetrieveTableRsp **pRsp) {
SExplainResNode *node = NULL;
int32_t code = 0;
bool groupDone = false;
SExplainCtx *ctx = (SExplainCtx *)pCtx;
SExplainGroup *group = taosHashGet(ctx->groupHash, &groupId, sizeof(groupId));
if (NULL == group) {
qError("group %d not in groupHash", groupId);
tFreeSExplainRsp(pRspMsg);
QRY_ERR_RET(TSDB_CODE_APP_ERROR);
}
taosWLockLatch(&group->lock);
if (NULL == group->nodeExecInfo) {
group->nodeExecInfo = taosArrayInit(group->nodeNum, sizeof(SExplainRsp));
if (NULL == group->nodeExecInfo) {
qError("taosArrayInit %d explainExecInfo failed", group->nodeNum);
tFreeSExplainRsp(pRspMsg);
taosWUnLockLatch(&group->lock);
QRY_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
}
group->physiPlanExecNum = pRspMsg->numOfPlans;
} else if (taosArrayGetSize(group->nodeExecInfo) >= group->nodeNum) {
qError("group execInfo already full, size:%d, nodeNum:%d", (int32_t)taosArrayGetSize(group->nodeExecInfo),
group->nodeNum);
tFreeSExplainRsp(pRspMsg);
taosWUnLockLatch(&group->lock);
QRY_ERR_RET(TSDB_CODE_APP_ERROR);
}
if (group->physiPlanExecNum != pRspMsg->numOfPlans) {
qError("physiPlanExecNum %d mismatch with others %d in group %d", pRspMsg->numOfPlans, group->physiPlanExecNum,
groupId);
tFreeSExplainRsp(pRspMsg);
taosWUnLockLatch(&group->lock);
QRY_ERR_RET(TSDB_CODE_APP_ERROR);
}
taosArrayPush(group->nodeExecInfo, pRspMsg);
groupDone = (taosArrayGetSize(group->nodeExecInfo) >= group->nodeNum);
taosWUnLockLatch(&group->lock);
if (groupDone && (taosHashGetSize(pCtx->groupHash) == atomic_add_fetch_32(&pCtx->groupDoneNum, 1))) {
if (atomic_load_8((int8_t *)&pCtx->execDone)) {
if (0 == taosWTryLockLatch(&pCtx->lock)) {
QRY_ERR_RET(qExplainGenerateRsp(pCtx, pRsp));
// LEAVE LOCK THERE
}
}
}
return TSDB_CODE_SUCCESS;
}
int32_t qExecStaticExplain(SQueryPlan *pDag, SRetrieveTableRsp **pRsp) {
int32_t code = 0;
SExplainCtx *pCtx = NULL;
QRY_ERR_RET(qExplainPrepareCtx(pDag, &pCtx));
QRY_ERR_JRET(qExplainGenerateRsp(pCtx, pRsp));
_return:
qExplainFreeCtx(pCtx);
QRY_RET(code);
}
int32_t qExecExplainBegin(SQueryPlan *pDag, SExplainCtx **pCtx, int64_t startTs) {
QRY_ERR_RET(qExplainPrepareCtx(pDag, pCtx));
(*pCtx)->reqStartTs = startTs;
(*pCtx)->jobStartTs = taosGetTimestampUs();
return TSDB_CODE_SUCCESS;
}
int32_t qExecExplainEnd(SExplainCtx *pCtx, SRetrieveTableRsp **pRsp) {
int32_t code = 0;
pCtx->jobDoneTs = taosGetTimestampUs();
atomic_store_8((int8_t *)&pCtx->execDone, true);
if (taosHashGetSize(pCtx->groupHash) == atomic_load_32(&pCtx->groupDoneNum)) {
if (0 == taosWTryLockLatch(&pCtx->lock)) {
QRY_ERR_RET(qExplainGenerateRsp(pCtx, pRsp));
// LEAVE LOCK THERE
}
}
return TSDB_CODE_SUCCESS;
}