Install some slightly realistic cost estimation for bitmap index scans.
Tom Lane <tgl@sss.pgh.pa.us>
Install some slightly realistic cost estimation for bitmap index scans.
Files
| Path | Change | +/− |
|---|---|---|
| src/backend/nodes/outfuncs.c | modified | +3 −1 |
| src/backend/optimizer/path/costsize.c | modified | +152 −7 |
| src/backend/optimizer/path/indxpath.c | modified | +2 −2 |
| src/backend/optimizer/path/orindxpath.c | modified | +5 −5 |
| src/backend/optimizer/plan/createplan.c | modified | +16 −8 |
| src/backend/optimizer/util/pathnode.c | modified | +2 −2 |
| src/include/nodes/relation.h | modified | +13 −4 |
| src/include/optimizer/cost.h | modified | +2 −2 |