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rebuild topbottom struct

This commit is contained in:
dapan1121 2021-04-15 14:07:58 +08:00
parent 8b72cf391c
commit 1e9e8acdae
1 changed files with 27 additions and 21 deletions
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48
src/query/src/qAggMain.c
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@ -2482,6 +2482,29 @@ static STopBotInfo *getTopBotOutputInfo(SQLFunctionCtx *pCtx) {
}
}
/*
* keep the intermediate results during scan data blocks in the format of:
* +-----------------------------------+-------------one value pair-----------+------------next value pair-----------+
* |-------------pointer area----------|----ts---+-----+-----n tags-----------|----ts---+-----+-----n tags-----------|
* +..[Value Pointer1][Value Pointer2].|timestamp|value|tags1|tags2|....|tagsn|timestamp|value|tags1|tags2|....|tagsn+
*/
static void buildTopBotStruct(STopBotInfo *pTopBotInfo, SQLFunctionCtx *pCtx) {
char *tmp = (char *)pTopBotInfo + sizeof(STopBotInfo);
pTopBotInfo->res = (tValuePair**) tmp;
tmp += POINTER_BYTES * pCtx->param[0].i64;
size_t size = sizeof(tValuePair) + pCtx->tagInfo.tagsLen;
// assert(pCtx->param[0].i64 > 0);
for (int32_t i = 0; i < pCtx->param[0].i64; ++i) {
pTopBotInfo->res[i] = (tValuePair*) tmp;
pTopBotInfo->res[i]->pTags = tmp + sizeof(tValuePair);
tmp += size;
}
}
bool topbot_datablock_filter(SQLFunctionCtx *pCtx, const char *minval, const char *maxval) {
SResultRowCellInfo *pResInfo = GET_RES_INFO(pCtx);
if (pResInfo == NULL) {
@ -2495,6 +2518,10 @@ bool topbot_datablock_filter(SQLFunctionCtx *pCtx, const char *minval, const cha
return true;
}
if ((void *)pTopBotInfo->res[0] != (void *)((char *)pTopBotInfo + sizeof(STopBotInfo) + POINTER_BYTES * pCtx->param[0].i64)) {
buildTopBotStruct(pTopBotInfo, pCtx);
}
tValuePair **pRes = (tValuePair**) pTopBotInfo->res;
if (pCtx->functionId == TSDB_FUNC_TOP) {
@ -2534,27 +2561,6 @@ bool topbot_datablock_filter(SQLFunctionCtx *pCtx, const char *minval, const cha
}
}
/*
* keep the intermediate results during scan data blocks in the format of:
* +-----------------------------------+-------------one value pair-----------+------------next value pair-----------+
* |-------------pointer area----------|----ts---+-----+-----n tags-----------|----ts---+-----+-----n tags-----------|
* +..[Value Pointer1][Value Pointer2].|timestamp|value|tags1|tags2|....|tagsn|timestamp|value|tags1|tags2|....|tagsn+
*/
static void buildTopBotStruct(STopBotInfo *pTopBotInfo, SQLFunctionCtx *pCtx) {
char *tmp = (char *)pTopBotInfo + sizeof(STopBotInfo);
pTopBotInfo->res = (tValuePair**) tmp;
tmp += POINTER_BYTES * pCtx->param[0].i64;
size_t size = sizeof(tValuePair) + pCtx->tagInfo.tagsLen;
// assert(pCtx->param[0].i64 > 0);
for (int32_t i = 0; i < pCtx->param[0].i64; ++i) {
pTopBotInfo->res[i] = (tValuePair*) tmp;
pTopBotInfo->res[i]->pTags = tmp + sizeof(tValuePair);
tmp += size;
}
}
static bool top_bottom_function_setup(SQLFunctionCtx *pCtx) {
if (!function_setup(pCtx)) {
return false;