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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/utils/selfuncs.h | |
| 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/include/utils/selfuncs.h')
| -rw-r--r-- | src/include/utils/selfuncs.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/include/utils/selfuncs.h b/src/include/utils/selfuncs.h index e9913aa049f..baf6d8caf86 100644 --- a/src/include/utils/selfuncs.h +++ b/src/include/utils/selfuncs.h @@ -74,6 +74,7 @@ typedef struct VariableStatData Oid vartype; /* exposed type of expression */ Oid atttype; /* type to pass to get_attstatsslot */ int32 atttypmod; /* typmod to pass to get_attstatsslot */ + Oid attcollation; /* collation of the variable */ bool isunique; /* true if matched to a unique index */ } VariableStatData; @@ -178,7 +179,7 @@ extern Selectivity rowcomparesel(PlannerInfo *root, int varRelid, JoinType jointype, SpecialJoinInfo *sjinfo); extern void mergejoinscansel(PlannerInfo *root, Node *clause, - Oid opfamily, int strategy, bool nulls_first, + Oid opfamily, Oid collation, int strategy, bool nulls_first, Selectivity *leftstart, Selectivity *leftend, Selectivity *rightstart, Selectivity *rightend); |