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| author | Peter Eisentraut <peter_e@gmx.net> | 2011-02-08 23:04:18 +0200 |
|---|---|---|
| committer | Peter Eisentraut <peter_e@gmx.net> | 2011-02-08 23:04:18 +0200 |
| commit | 414c5a2ea65cbd38d79ffdf9b1fde7cc75c134e0 (patch) | |
| tree | 016efd0c7108f659ea4f3c52ea54d78e1e5449e1 /src/backend/optimizer/path/costsize.c | |
| parent | 1703f0e8da2e8e3eccb6e12879c011ba106f8a62 (diff) | |
Per-column collation support
This adds collation support for columns and domains, a COLLATE clause
to override it per expression, and B-tree index support.
Peter Eisentraut
reviewed by Pavel Stehule, Itagaki Takahiro, Robert Haas, Noah Misch
Diffstat (limited to 'src/backend/optimizer/path/costsize.c')
| -rw-r--r-- | src/backend/optimizer/path/costsize.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/backend/optimizer/path/costsize.c b/src/backend/optimizer/path/costsize.c index 6c98c49bff8..ffb066283f2 100644 --- a/src/backend/optimizer/path/costsize.c +++ b/src/backend/optimizer/path/costsize.c @@ -1795,6 +1795,7 @@ cost_mergejoin(MergePath *path, PlannerInfo *root, SpecialJoinInfo *sjinfo) ipathkey = (PathKey *) linitial(ipathkeys); /* debugging check */ if (opathkey->pk_opfamily != ipathkey->pk_opfamily || + opathkey->pk_collation != ipathkey->pk_collation || opathkey->pk_strategy != ipathkey->pk_strategy || opathkey->pk_nulls_first != ipathkey->pk_nulls_first) elog(ERROR, "left and right pathkeys do not match in mergejoin"); @@ -2045,6 +2046,7 @@ cached_scansel(PlannerInfo *root, RestrictInfo *rinfo, PathKey *pathkey) { cache = (MergeScanSelCache *) lfirst(lc); if (cache->opfamily == pathkey->pk_opfamily && + cache->collation == pathkey->pk_collation && cache->strategy == pathkey->pk_strategy && cache->nulls_first == pathkey->pk_nulls_first) return cache; @@ -2054,6 +2056,7 @@ cached_scansel(PlannerInfo *root, RestrictInfo *rinfo, PathKey *pathkey) mergejoinscansel(root, (Node *) rinfo->clause, pathkey->pk_opfamily, + pathkey->pk_collation, pathkey->pk_strategy, pathkey->pk_nulls_first, &leftstartsel, @@ -2066,6 +2069,7 @@ cached_scansel(PlannerInfo *root, RestrictInfo *rinfo, PathKey *pathkey) cache = (MergeScanSelCache *) palloc(sizeof(MergeScanSelCache)); cache->opfamily = pathkey->pk_opfamily; + cache->collation = pathkey->pk_collation; cache->strategy = pathkey->pk_strategy; cache->nulls_first = pathkey->pk_nulls_first; cache->leftstartsel = leftstartsel; |