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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
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@ -3,6 +3,7 @@
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*/
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#include "btree_gist.h"
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#include "btree_utils_var.h"
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#include "catalog/pg_collation.h"
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#include "utils/builtins.h"
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/*
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@ -32,37 +33,37 @@ Datum gbt_text_same(PG_FUNCTION_ARGS);
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static bool
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gbt_textgt(const void *a, const void *b)
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{
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return (DatumGetBool(DirectFunctionCall2(text_gt, PointerGetDatum(a), PointerGetDatum(b))));
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return (DatumGetBool(DirectFunctionCall2WithCollation(text_gt, DEFAULT_COLLATION_OID, PointerGetDatum(a), PointerGetDatum(b))));
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}
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static bool
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gbt_textge(const void *a, const void *b)
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{
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return (DatumGetBool(DirectFunctionCall2(text_ge, PointerGetDatum(a), PointerGetDatum(b))));
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return (DatumGetBool(DirectFunctionCall2WithCollation(text_ge, DEFAULT_COLLATION_OID, PointerGetDatum(a), PointerGetDatum(b))));
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}
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static bool
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gbt_texteq(const void *a, const void *b)
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{
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return (DatumGetBool(DirectFunctionCall2(texteq, PointerGetDatum(a), PointerGetDatum(b))));
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return (DatumGetBool(DirectFunctionCall2WithCollation(texteq, DEFAULT_COLLATION_OID, PointerGetDatum(a), PointerGetDatum(b))));
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}
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static bool
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gbt_textle(const void *a, const void *b)
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{
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return (DatumGetBool(DirectFunctionCall2(text_le, PointerGetDatum(a), PointerGetDatum(b))));
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return (DatumGetBool(DirectFunctionCall2WithCollation(text_le, DEFAULT_COLLATION_OID, PointerGetDatum(a), PointerGetDatum(b))));
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}
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static bool
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gbt_textlt(const void *a, const void *b)
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{
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return (DatumGetBool(DirectFunctionCall2(text_lt, PointerGetDatum(a), PointerGetDatum(b))));
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return (DatumGetBool(DirectFunctionCall2WithCollation(text_lt, DEFAULT_COLLATION_OID, PointerGetDatum(a), PointerGetDatum(b))));
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}
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static int32
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gbt_textcmp(const bytea *a, const bytea *b)
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{
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return DatumGetInt32(DirectFunctionCall2(bttextcmp, PointerGetDatum(a), PointerGetDatum(b)));
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return DatumGetInt32(DirectFunctionCall2WithCollation(bttextcmp, DEFAULT_COLLATION_OID, PointerGetDatum(a), PointerGetDatum(b)));
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}
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static gbtree_vinfo tinfo =
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