xxq250
/
homework-jianmu
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

Update vnodeQueryImpl.c 

fix a bug referred in issue #946
This commit is contained in:
haojun Liao 2019-12-19 13:29:00 +08:00 committed by GitHub
parent c5e5f4c663
commit 50865d282e
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/system/detail/src/vnodeQueryImpl.c
View File

@ -1349,11 +1349,12 @@ static int32_t blockwiseApplyAllFunctions(SQueryRuntimeEnv *pRuntimeEnv, int32_t
*
* first filter the data block according to the value filter condition, then, if the top/bottom query applied,
* invoke the filter function to decide if the data block need to be accessed or not.
* TODO handle the whole data block is NULL situation
* @param pQuery
* @param pField
* @return
*/
static bool needToLoadDataBlock(SQuery *pQuery, SField *pField, SQLFunctionCtx *pCtx) {
static bool needToLoadDataBlock(SQuery *pQuery, SField *pField, SQLFunctionCtx *pCtx, int32_t numOfTotalPoints) {
if (pField == NULL) {
return false; // no need to load data
}
@ -1371,6 +1372,11 @@ static bool needToLoadDataBlock(SQuery *pQuery, SField *pField, SQLFunctionCtx *
if (!vnodeSupportPrefilter(pFilterInfo->info.data.type)) {
continue;
}
// all points in current column are NULL, no need to check its boundary value
if (pField[colIndex].numOfNullPoints == numOfTotalPoints) {
continue;
}
if (pFilterInfo->info.data.type == TSDB_DATA_TYPE_FLOAT) {
float minval = *(double *)(&pField[colIndex].min);
@ -6595,7 +6601,7 @@ int32_t LoadDatablockOnDemand(SCompBlock *pBlock, SField **pFields, uint8_t *blk
* filter the data block according to the value filter condition.
* no need to load the data block, continue for next block
*/
if (!needToLoadDataBlock(pQuery, *pFields, pRuntimeEnv->pCtx)) {
if (!needToLoadDataBlock(pQuery, *pFields, pRuntimeEnv->pCtx, pBlock->numOfPoints)) {
#if defined(_DEBUG_VIEW)
dTrace("QInfo:%p fileId:%d, slot:%d, block discarded by per-filter, ", GET_QINFO_ADDR(pQuery), pQuery->fileId,
pQuery->slot);