1 /*------------------------------------------------------------------------- 2 * 3 * pg_conversion.h 4 * definition of the "conversion" system catalog (pg_conversion) 5 * 6 * 7 * Portions Copyright (c) 1996-2018, PostgreSQL Global Development Group 8 * Portions Copyright (c) 1994, Regents of the University of California 9 * 10 * src/include/catalog/pg_conversion.h 11 * 12 * NOTES 13 * The Catalog.pm module reads this file and derives schema 14 * information. 15 * 16 *------------------------------------------------------------------------- 17 */ 18 #ifndef PG_CONVERSION_H 19 #define PG_CONVERSION_H 20 21 #include "catalog/genbki.h" 22 #include "catalog/pg_conversion_d.h" 23 24 #include "catalog/objectaddress.h" 25 26 /* ---------------------------------------------------------------- 27 * pg_conversion definition. 28 * 29 * cpp turns this into typedef struct FormData_pg_namespace 30 * 31 * conname name of the conversion 32 * connamespace name space which the conversion belongs to 33 * conowner owner of the conversion 34 * conforencoding FOR encoding id 35 * contoencoding TO encoding id 36 * conproc OID of the conversion proc 37 * condefault true if this is a default conversion 38 * ---------------------------------------------------------------- 39 */ 40 CATALOG(pg_conversion,2607,ConversionRelationId) 41 { 42 NameData conname; 43 Oid connamespace; 44 Oid conowner; 45 int32 conforencoding; 46 int32 contoencoding; 47 regproc conproc; 48 bool condefault; 49 } FormData_pg_conversion; 50 51 /* ---------------- 52 * Form_pg_conversion corresponds to a pointer to a tuple with 53 * the format of pg_conversion relation. 54 * ---------------- 55 */ 56 typedef FormData_pg_conversion *Form_pg_conversion; 57 58 59 extern ObjectAddress ConversionCreate(const char *conname, Oid connamespace, 60 Oid conowner, 61 int32 conforencoding, int32 contoencoding, 62 Oid conproc, bool def); 63 extern void RemoveConversionById(Oid conversionOid); 64 extern Oid FindDefaultConversion(Oid connamespace, int32 for_encoding, 65 int32 to_encoding); 66 67 #endif /* PG_CONVERSION_H */ 68