diff options
Diffstat (limited to 'src/backend/optimizer/path/allpaths.c')
| -rw-r--r-- | src/backend/optimizer/path/allpaths.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/backend/optimizer/path/allpaths.c b/src/backend/optimizer/path/allpaths.c index b94b8a58112..4e0d9ca4e57 100644 --- a/src/backend/optimizer/path/allpaths.c +++ b/src/backend/optimizer/path/allpaths.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/optimizer/path/allpaths.c,v 1.179 2009/01/01 17:23:43 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/optimizer/path/allpaths.c,v 1.180 2009/02/15 20:16:21 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -225,19 +225,25 @@ set_plain_rel_pathlist(PlannerInfo *root, RelOptInfo *rel, RangeTblEntry *rte) return; } + /* + * Test any partial indexes of rel for applicability. We must do this + * first since partial unique indexes can affect size estimates. + */ + check_partial_indexes(root, rel); + /* Mark rel with estimated output rows, width, etc */ set_baserel_size_estimates(root, rel); - /* Test any partial indexes of rel for applicability */ - check_partial_indexes(root, rel); - /* * Check to see if we can extract any restriction conditions from join * quals that are OR-of-AND structures. If so, add them to the rel's - * restriction list, and recompute the size estimates. + * restriction list, and redo the above steps. */ if (create_or_index_quals(root, rel)) + { + check_partial_indexes(root, rel); set_baserel_size_estimates(root, rel); + } /* * Generate paths and add them to the rel's pathlist. |