codekingpro/portable-devtools

1/*-------------------------------------------------------------------------2 *3 * pg_collation.h4 *	  definition of the "collation" system catalog (pg_collation)5 *6 *7 * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group8 * Portions Copyright (c) 1994, Regents of the University of California9 *10 * src/include/catalog/pg_collation.h11 *12 * NOTES13 *	  The Catalog.pm module reads this file and derives schema14 *	  information.15 *16 *-------------------------------------------------------------------------17 */18#ifndef PG_COLLATION_H19#define PG_COLLATION_H20 21#include "catalog/genbki.h"22#include "catalog/pg_collation_d.h"23 24/* ----------------25 *		pg_collation definition.  cpp turns this into26 *		typedef struct FormData_pg_collation27 * ----------------28 */29CATALOG(pg_collation,3456,CollationRelationId)30{31	Oid			oid;			/* oid */32	NameData	collname;		/* collation name */33 34	/* OID of namespace containing this collation */35	Oid			collnamespace BKI_DEFAULT(pg_catalog) BKI_LOOKUP(pg_namespace);36 37	/* owner of collation */38	Oid			collowner BKI_DEFAULT(POSTGRES) BKI_LOOKUP(pg_authid);39	char		collprovider;	/* see constants below */40	bool		collisdeterministic BKI_DEFAULT(t);41	int32		collencoding;	/* encoding for this collation; -1 = "all" */42#ifdef CATALOG_VARLEN			/* variable-length fields start here */43	text		collcollate BKI_DEFAULT(_null_);	/* LC_COLLATE setting */44	text		collctype BKI_DEFAULT(_null_);	/* LC_CTYPE setting */45	text		colliculocale BKI_DEFAULT(_null_);	/* ICU locale ID */46	text		collicurules BKI_DEFAULT(_null_);	/* ICU collation rules */47	text		collversion BKI_DEFAULT(_null_);	/* provider-dependent48													 * version of collation49													 * data */50#endif51} FormData_pg_collation;52 53/* ----------------54 *		Form_pg_collation corresponds to a pointer to a row with55 *		the format of pg_collation relation.56 * ----------------57 */58typedef FormData_pg_collation *Form_pg_collation;59 60DECLARE_TOAST(pg_collation, 6175, 6176);61 62DECLARE_UNIQUE_INDEX(pg_collation_name_enc_nsp_index, 3164, CollationNameEncNspIndexId, on pg_collation using btree(collname name_ops, collencoding int4_ops, collnamespace oid_ops));63DECLARE_UNIQUE_INDEX_PKEY(pg_collation_oid_index, 3085, CollationOidIndexId, on pg_collation using btree(oid oid_ops));64 65#ifdef EXPOSE_TO_CLIENT_CODE66 67#define COLLPROVIDER_DEFAULT	'd'68#define COLLPROVIDER_ICU		'i'69#define COLLPROVIDER_LIBC		'c'70 71static inline const char *72collprovider_name(char c)73{74	switch (c)75	{76		case COLLPROVIDER_ICU:77			return "icu";78		case COLLPROVIDER_LIBC:79			return "libc";80		default:81			return "???";82	}83}84 85#endif							/* EXPOSE_TO_CLIENT_CODE */86 87 88extern Oid	CollationCreate(const char *collname, Oid collnamespace,89							Oid collowner,90							char collprovider,91							bool collisdeterministic,92							int32 collencoding,93							const char *collcollate, const char *collctype,94							const char *colliculocale,95							const char *collicurules,96							const char *collversion,97							bool if_not_exists,98							bool quiet);99 100#endif							/* PG_COLLATION_H */101