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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/include/nodes/relation.h | |
| 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/include/nodes/relation.h')
| -rw-r--r-- | src/include/nodes/relation.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/include/nodes/relation.h b/src/include/nodes/relation.h index 8b14838625a..b3ca5b5e329 100644 --- a/src/include/nodes/relation.h +++ b/src/include/nodes/relation.h @@ -453,6 +453,7 @@ typedef struct IndexOptInfo int ncolumns; /* number of columns in index */ Oid *opfamily; /* OIDs of operator families for columns */ int *indexkeys; /* column numbers of index's keys, or 0 */ + Oid *indexcollations;/* OIDs of the collations of the index columns */ Oid *opcintype; /* OIDs of opclass declared input data types */ Oid *sortopfamily; /* OIDs of btree opfamilies, if orderable */ bool *reverse_sort; /* is sort order descending? */ @@ -585,6 +586,7 @@ typedef struct PathKey EquivalenceClass *pk_eclass; /* the value that is ordered */ Oid pk_opfamily; /* btree opfamily defining the ordering */ + Oid pk_collation; /* collation */ int pk_strategy; /* sort direction (ASC or DESC) */ bool pk_nulls_first; /* do NULLs come before normal values? */ } PathKey; @@ -1102,6 +1104,7 @@ typedef struct MergeScanSelCache { /* Ordering details (cache lookup key) */ Oid opfamily; /* btree opfamily defining the ordering */ + Oid collation; int strategy; /* sort direction (ASC or DESC) */ bool nulls_first; /* do NULLs come before normal values? */ /* Results */ |