database/openGauss-server
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

code for Global-Partition-Index feature

Browse Source 
Signed-off-by: xiliu <xiliu_h@163.com>
This commit is contained in:
xiliu
2020-08-25 15:10:14 +08:00
parent 339cd59f26
commit c040d78287
157 changed files with 12502 additions and 939 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
src/gausskernel/optimizer/path/allpaths.cpp
View File

@ -2770,18 +2770,40 @@ static void make_partiterator_pathkey(
itrpath->direction = (BTLessStrategyNumber == pk_strategy ? ForwardScanDirection : BackwardScanDirection);
}
/*
* Check scan path for partition table whether use global partition index
*/
static bool CheckPathUseGlobalPartIndex(Path* path)
{
if (path->pathtype == T_IndexScan || path->pathtype == T_IndexOnlyScan) {
IndexPath* indexPath = (IndexPath*)path;
if (indexPath->indexinfo->isGlobal) {
return true;
}
} else if (path->pathtype == T_BitmapHeapScan) {
BitmapHeapPath* bitmapHeapPath = (BitmapHeapPath*)path;
if (CheckBitmapQualIsGlobalIndex(bitmapHeapPath->bitmapqual)) {
return true;
}
} else {
return false;
}
return false;
}
static Path* create_partiterator_path(PlannerInfo* root, RelOptInfo* rel, Path* path, Relation relation)
{
Path* result = NULL;
switch (path->pathtype) {
case T_IndexScan:
case T_IndexOnlyScan:
case T_BitmapHeapScan:
case T_SeqScan:
case T_CStoreScan:
case T_TsStoreScan:
case T_BitmapHeapScan:
case T_TidScan:
case T_IndexScan:
case T_IndexOnlyScan: {
case T_TidScan: {
PartIteratorPath* itrpath = makeNode(PartIteratorPath);
itrpath->subPath = path;
@ -2848,6 +2870,11 @@ static void try_add_partiterator(PlannerInfo* root, RelOptInfo* rel, RangeTblEnt
continue;
}
/* Use globa partition index */
if (CheckPathUseGlobalPartIndex(path)) {
continue;
}
itrPath = create_partiterator_path(root, rel, path, relation);
/* replace entry in pathlist */