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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/access/common/scankey.c | |
| parent | 1703f0e8da2e8e3eccb6e12879c011ba106f8a62 (diff) | |
| download | postgresql-414c5a2ea65cbd38d79ffdf9b1fde7cc75c134e0.tar.gz postgresql-414c5a2ea65cbd38d79ffdf9b1fde7cc75c134e0.zip | |
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/access/common/scankey.c')
| -rw-r--r-- | src/backend/access/common/scankey.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/backend/access/common/scankey.c b/src/backend/access/common/scankey.c index 232322a91e0..41cd36fce92 100644 --- a/src/backend/access/common/scankey.c +++ b/src/backend/access/common/scankey.c @@ -103,3 +103,16 @@ ScanKeyEntryInitializeWithInfo(ScanKey entry, entry->sk_argument = argument; fmgr_info_copy(&entry->sk_func, finfo, CurrentMemoryContext); } + +/* + * ScanKeyEntryInitializeCollation + * + * Initialize the collation of a scan key. This is just a notational + * convenience and small abstraction. + */ +void +ScanKeyEntryInitializeCollation(ScanKey entry, + Oid collation) +{ + entry->sk_func.fn_collation = collation; +} |