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enh(query): last function support selectivity

This commit is contained in:
Ganlin Zhao 2022-06-28 14:08:34 +08:00
parent 0ea8f0fbc6
commit 9ca819aa69
2 changed files with 22 additions and 8 deletions
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8
source/libs/function/src/builtins.c
View File

@ -1914,7 +1914,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
{
.name = "_first_merge",
.type = FUNCTION_TYPE_FIRST_MERGE,
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_TIMELINE_FUNC,
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_TIMELINE_FUNC,
.translateFunc = translateFirstLastMerge,
.getEnvFunc = getFirstLastFuncEnv,
.initFunc = functionSetup,
@ -1925,7 +1925,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
{
.name = "last",
.type = FUNCTION_TYPE_LAST,
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_TIMELINE_FUNC,
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_TIMELINE_FUNC,
.translateFunc = translateFirstLast,
.getEnvFunc = getFirstLastFuncEnv,
.initFunc = functionSetup,
@ -1938,7 +1938,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
{
.name = "_last_partial",
.type = FUNCTION_TYPE_LAST_PARTIAL,
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_TIMELINE_FUNC,
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_TIMELINE_FUNC,
.translateFunc = translateFirstLastPartial,
.getEnvFunc = getFirstLastFuncEnv,
.initFunc = functionSetup,
@ -1949,7 +1949,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
{
.name = "_last_merge",
.type = FUNCTION_TYPE_LAST_MERGE,
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_TIMELINE_FUNC,
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_TIMELINE_FUNC,
.translateFunc = translateFirstLastMerge,
.getEnvFunc = getFirstLastFuncEnv,
.initFunc = functionSetup,

22
source/libs/function/src/builtinsimpl.c
View File

@ -2593,8 +2593,15 @@ int32_t lastFunction(SqlFunctionCtx* pCtx) {
}
memcpy(pInfo->buf, data, bytes);
*(TSKEY*)(pInfo->buf + bytes) = cts;
// DO_UPDATE_TAG_COLUMNS(pCtx, ts);
pInfo->hasResult = true;
//handle selectivity
STuplePos* pTuplePos = (STuplePos*)(pInfo->buf + bytes + sizeof(TSKEY));
if (!pInfo->hasResult) {
saveTupleData(pCtx, i, pCtx->pSrcBlock, pTuplePos);
pInfo->hasResult = true;
} else {
copyTupleData(pCtx, i, pCtx->pSrcBlock, pTuplePos);
}
//DO_UPDATE_TAG_COLUMNS(pCtx, ts);
pResInfo->numOfRes = 1;
}
break;
@ -2616,9 +2623,16 @@ int32_t lastFunction(SqlFunctionCtx* pCtx) {
}
memcpy(pInfo->buf, data, bytes);
*(TSKEY*)(pInfo->buf + bytes) = cts;
pInfo->hasResult = true;
//handle selectivity
STuplePos* pTuplePos = (STuplePos*)(pInfo->buf + bytes + sizeof(TSKEY));
if (!pInfo->hasResult) {
saveTupleData(pCtx, i, pCtx->pSrcBlock, pTuplePos);
pInfo->hasResult = true;
} else {
copyTupleData(pCtx, i, pCtx->pSrcBlock, pTuplePos);
}
pResInfo->numOfRes = 1;
// DO_UPDATE_TAG_COLUMNS(pCtx, ts);
//DO_UPDATE_TAG_COLUMNS(pCtx, ts);
}
break;
}