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Per-column collation support

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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
This commit is contained in:
Peter Eisentraut
2011-02-08 23:04:18 +02:00
parent 1703f0e8da
commit 414c5a2ea6
156 changed files with 4519 additions and 582 deletions
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4
src/include/utils/tuplesort.h
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@@ -60,7 +60,7 @@ typedef struct Tuplesortstate Tuplesortstate;
extern Tuplesortstate *tuplesort_begin_heap(TupleDesc tupDesc,
int nkeys, AttrNumber *attNums,
Oid *sortOperators, bool *nullsFirstFlags,
Oid *sortOperators, Oid *collations, bool *nullsFirstFlags,
int workMem, bool randomAccess);
extern Tuplesortstate *tuplesort_begin_cluster(TupleDesc tupDesc,
Relation indexRel,
@@ -72,7 +72,7 @@ extern Tuplesortstate *tuplesort_begin_index_hash(Relation indexRel,
uint32 hash_mask,
int workMem, bool randomAccess);
extern Tuplesortstate *tuplesort_begin_datum(Oid datumType,
Oid sortOperator, bool nullsFirstFlag,
Oid sortOperator, Oid sortCollation, bool nullsFirstFlag,
int workMem, bool randomAccess);
extern void tuplesort_set_bound(Tuplesortstate *state, int64 bound);