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enh(query): fisrt function support selectivity

This commit is contained in:
Ganlin Zhao 2022-06-28 14:08:34 +08:00
parent 364250b857
commit 0ea8f0fbc6
2 changed files with 23 additions and 8 deletions
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4
source/libs/function/src/builtins.c
View File

@ -1890,7 +1890,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
{ {
.name = "first", .name = "first",
.type = FUNCTION_TYPE_FIRST, .type = FUNCTION_TYPE_FIRST,
.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, .translateFunc = translateFirstLast,
.getEnvFunc = getFirstLastFuncEnv, .getEnvFunc = getFirstLastFuncEnv,
.initFunc = functionSetup, .initFunc = functionSetup,
@ -1903,7 +1903,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
{ {
.name = "_first_partial", .name = "_first_partial",
.type = FUNCTION_TYPE_FIRST_PARTIAL, .type = FUNCTION_TYPE_FIRST_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, .translateFunc = translateFirstLastPartial,
.getEnvFunc = getFirstLastFuncEnv, .getEnvFunc = getFirstLastFuncEnv,
.initFunc = functionSetup, .initFunc = functionSetup,

27
source/libs/function/src/builtinsimpl.c
View File

@ -2413,7 +2413,7 @@ int32_t getFirstLastInfoSize(int32_t resBytes) { return sizeof(SFirstLastRes) +
bool getFirstLastFuncEnv(SFunctionNode* pFunc, SFuncExecEnv* pEnv) { bool getFirstLastFuncEnv(SFunctionNode* pFunc, SFuncExecEnv* pEnv) {
SColumnNode* pNode = (SColumnNode*)nodesListGetNode(pFunc->pParameterList, 0); SColumnNode* pNode = (SColumnNode*)nodesListGetNode(pFunc->pParameterList, 0);
pEnv->calcMemSize = sizeof(SFirstLastRes) + pNode->node.resType.bytes + sizeof(int64_t); pEnv->calcMemSize = sizeof(SFirstLastRes) + pNode->node.resType.bytes + sizeof(int64_t) + sizeof(STuplePos);
return true; return true;
} }
@ -2491,9 +2491,15 @@ int32_t firstFunction(SqlFunctionCtx* pCtx) {
} }
memcpy(pInfo->buf, data, bytes); memcpy(pInfo->buf, data, bytes);
*(TSKEY*)(pInfo->buf + bytes) = cts; *(TSKEY*)(pInfo->buf + bytes) = cts;
pInfo->hasResult = true; //handle selectivity
// DO_UPDATE_TAG_COLUMNS(pCtx, ts); 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; pResInfo->numOfRes = 1;
break; break;
} }
@ -2525,8 +2531,15 @@ int32_t firstFunction(SqlFunctionCtx* pCtx) {
} }
memcpy(pInfo->buf, data, bytes); memcpy(pInfo->buf, data, bytes);
*(TSKEY*)(pInfo->buf + bytes) = cts; *(TSKEY*)(pInfo->buf + bytes) = cts;
pInfo->hasResult = true; //handle selectivity
// DO_UPDATE_TAG_COLUMNS(pCtx, ts); 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; pResInfo->numOfRes = 1;
break; break;
} }
@ -2669,6 +2682,8 @@ int32_t firstLastFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
SFirstLastRes* pRes = GET_ROWCELL_INTERBUF(pResInfo); SFirstLastRes* pRes = GET_ROWCELL_INTERBUF(pResInfo);
colDataAppend(pCol, pBlock->info.rows, pRes->buf, pResInfo->isNullRes); colDataAppend(pCol, pBlock->info.rows, pRes->buf, pResInfo->isNullRes);
STuplePos* pTuplePos = (STuplePos*)(pRes->buf + pRes->bytes + sizeof(TSKEY));
setSelectivityValue(pCtx, pBlock, pTuplePos, pBlock->info.rows);
return pResInfo->numOfRes; return pResInfo->numOfRes;
} }