diff options
| author | Tom Lane | 2009-09-19 17:48:09 +0000 |
|---|---|---|
| committer | Tom Lane | 2009-09-19 17:48:09 +0000 |
| commit | a81944a43bd6531e6655698b3fbc69aa8a6c2666 (patch) | |
| tree | 68fd6fa06388d96805412c7eac7f4983eafcf88b | |
| parent | 4db20b22e826b4585d5d627584acd7380b9d27cd (diff) | |
Rename new subroutine, per discussion with Robert Haas.
| -rw-r--r-- | src/backend/optimizer/path/joinpath.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/backend/optimizer/path/joinpath.c b/src/backend/optimizer/path/joinpath.c index 750af49a27..2fbcde9dcf 100644 --- a/src/backend/optimizer/path/joinpath.c +++ b/src/backend/optimizer/path/joinpath.c @@ -155,18 +155,18 @@ add_paths_to_joinrel(PlannerInfo *root, } /* - * clause_matches_join + * clause_sides_match_join * Determine whether a join clause is of the right form to use in this join. * * We already know that the clause is a binary opclause referencing only the * rels in the current join. The point here is to check whether it has the * form "outerrel_expr op innerrel_expr" or "innerrel_expr op outerrel_expr", - * rather than mixing outer and inner vars on either side. If it is usable, + * rather than mixing outer and inner vars on either side. If it matches, * we set the transient flag outer_is_left to identify which side is which. */ static inline bool -clause_matches_join(RestrictInfo *rinfo, RelOptInfo *outerrel, - RelOptInfo *innerrel) +clause_sides_match_join(RestrictInfo *rinfo, RelOptInfo *outerrel, + RelOptInfo *innerrel) { if (bms_is_subset(rinfo->left_relids, outerrel->relids) && bms_is_subset(rinfo->right_relids, innerrel->relids)) @@ -267,7 +267,7 @@ join_is_removable(PlannerInfo *root, /* * Check if clause has the form "outer op inner" or "inner op outer". */ - if (!clause_matches_join(restrictinfo, outerrel, innerrel)) + if (!clause_sides_match_join(restrictinfo, outerrel, innerrel)) continue; /* no good for these input relations */ /* OK, add to list */ @@ -1009,7 +1009,7 @@ hash_inner_and_outer(PlannerInfo *root, /* * Check if clause has the form "outer op inner" or "inner op outer". */ - if (!clause_matches_join(restrictinfo, outerrel, innerrel)) + if (!clause_sides_match_join(restrictinfo, outerrel, innerrel)) continue; /* no good for these input relations */ hashclauses = lappend(hashclauses, restrictinfo); @@ -1186,7 +1186,7 @@ select_mergejoin_clauses(PlannerInfo *root, /* * Check if clause has the form "outer op inner" or "inner op outer". */ - if (!clause_matches_join(restrictinfo, outerrel, innerrel)) + if (!clause_sides_match_join(restrictinfo, outerrel, innerrel)) { have_nonmergeable_joinclause = true; continue; /* no good for these input relations */ |