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add merge explain

This commit is contained in:
dapan1121 2022-06-08 09:31:28 +08:00
parent a9f019f6f2
commit c94c760e13
2 changed files with 47 additions and 0 deletions
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3
source/libs/command/inc/commandInt.h
View File

@ -47,6 +47,9 @@ extern "C" {
#define EXPLAIN_TIME_WINDOWS_FORMAT "Time Window: interval=%" PRId64 "%c offset=%" PRId64 "%c sliding=%" PRId64 "%c"
#define EXPLAIN_WINDOW_FORMAT "Window: gap=%" PRId64
#define EXPLAIN_RATIO_TIME_FORMAT "Ratio: %f"
#define EXPLAIN_MERGE_FORMAT "Merge"
#define EXPLAIN_MERGE_KEYS_FORMAT "Merge Key: "
#define EXPLAIN_PLANNING_TIME_FORMAT "Planning Time: %.3f ms"
#define EXPLAIN_EXEC_TIME_FORMAT "Execution Time: %.3f ms"

44
source/libs/command/src/explain.c
View File

@ -857,6 +857,50 @@ int32_t qExplainResNodeToRowsImpl(SExplainResNode *pResNode, SExplainCtx *ctx, i
}
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 (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_END();
QRY_ERR_RET(qExplainResAppendRow(ctx, tbuf, tlen, level + 1));
EXPLAIN_ROW_NEW(level + 1, EXPLAIN_MERGE_KEYS_FORMAT);
for (int32_t i = 0; i < LIST_LENGTH(pMergeNode->pMergeKeys); ++i) {
SOrderByExprNode *ptn = nodesListGetNode(pMergeNode->pMergeKeys, i);
EXPLAIN_ROW_APPEND("%s ", nodesGetNameFromColumnNode(ptn->pExpr));
}
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;
}
default:
qError("not supported physical node type %d", pNode->type);
return TSDB_CODE_QRY_APP_ERROR;