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Diffstat (limited to 'src/include/catalog/pg_collation.h')
-rw-r--r-- | src/include/catalog/pg_collation.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/include/catalog/pg_collation.h b/src/include/catalog/pg_collation.h new file mode 100644 index 0000000..6955bb1 --- /dev/null +++ b/src/include/catalog/pg_collation.h @@ -0,0 +1,73 @@ +/*------------------------------------------------------------------------- + * + * pg_collation.h + * definition of the "collation" system catalog (pg_collation) + * + * + * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group + * Portions Copyright (c) 1994, Regents of the University of California + * + * src/include/catalog/pg_collation.h + * + * NOTES + * The Catalog.pm module reads this file and derives schema + * information. + * + *------------------------------------------------------------------------- + */ +#ifndef PG_COLLATION_H +#define PG_COLLATION_H + +#include "catalog/genbki.h" +#include "catalog/pg_collation_d.h" + +/* ---------------- + * pg_collation definition. cpp turns this into + * typedef struct FormData_pg_collation + * ---------------- + */ +CATALOG(pg_collation,3456,CollationRelationId) +{ + Oid oid; /* oid */ + NameData collname; /* collation name */ + Oid collnamespace; /* OID of namespace containing collation */ + Oid collowner; /* owner of collation */ + char collprovider; /* see constants below */ + bool collisdeterministic BKI_DEFAULT(t); + int32 collencoding; /* encoding for this collation; -1 = "all" */ + NameData collcollate; /* LC_COLLATE setting */ + NameData collctype; /* LC_CTYPE setting */ +#ifdef CATALOG_VARLEN /* variable-length fields start here */ + text collversion; /* provider-dependent version of collation + * data */ +#endif +} FormData_pg_collation; + +/* ---------------- + * Form_pg_collation corresponds to a pointer to a row with + * the format of pg_collation relation. + * ---------------- + */ +typedef FormData_pg_collation *Form_pg_collation; + +#ifdef EXPOSE_TO_CLIENT_CODE + +#define COLLPROVIDER_DEFAULT 'd' +#define COLLPROVIDER_ICU 'i' +#define COLLPROVIDER_LIBC 'c' + +#endif /* EXPOSE_TO_CLIENT_CODE */ + + +extern Oid CollationCreate(const char *collname, Oid collnamespace, + Oid collowner, + char collprovider, + bool collisdeterministic, + int32 collencoding, + const char *collcollate, const char *collctype, + const char *collversion, + bool if_not_exists, + bool quiet); +extern void RemoveCollationById(Oid collationOid); + +#endif /* PG_COLLATION_H */ |