80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
/*-------------------------------------------------------------------------
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*
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* pg_conversion.h
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* definition of the "conversion" system catalog (pg_conversion)
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*
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* Portions Copyright (c) 1996-2024, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* src/include/catalog/pg_conversion.h
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*
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* NOTES
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* The Catalog.pm module reads this file and derives schema
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* information.
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef PG_CONVERSION_H
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#define PG_CONVERSION_H
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#include "catalog/genbki.h"
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#include "catalog/objectaddress.h"
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#include "catalog/pg_conversion_d.h"
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/* ----------------
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* pg_conversion definition. cpp turns this into
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* typedef struct FormData_pg_conversion
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* ----------------
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*/
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CATALOG(pg_conversion,2607,ConversionRelationId)
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{
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/* oid */
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Oid oid;
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/* name of the conversion */
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NameData conname;
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/* namespace that the conversion belongs to */
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Oid connamespace BKI_DEFAULT(pg_catalog) BKI_LOOKUP(pg_namespace);
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/* owner of the conversion */
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Oid conowner BKI_DEFAULT(POSTGRES) BKI_LOOKUP(pg_authid);
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/* FOR encoding id */
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int32 conforencoding BKI_LOOKUP(encoding);
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/* TO encoding id */
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int32 contoencoding BKI_LOOKUP(encoding);
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/* OID of the conversion proc */
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regproc conproc BKI_LOOKUP(pg_proc);
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/* true if this is a default conversion */
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bool condefault BKI_DEFAULT(t);
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} FormData_pg_conversion;
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/* ----------------
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* Form_pg_conversion corresponds to a pointer to a tuple with
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* the format of pg_conversion relation.
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* ----------------
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*/
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typedef FormData_pg_conversion *Form_pg_conversion;
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DECLARE_UNIQUE_INDEX(pg_conversion_default_index, 2668, ConversionDefaultIndexId, pg_conversion, btree(connamespace oid_ops, conforencoding int4_ops, contoencoding int4_ops, oid oid_ops));
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DECLARE_UNIQUE_INDEX(pg_conversion_name_nsp_index, 2669, ConversionNameNspIndexId, pg_conversion, btree(conname name_ops, connamespace oid_ops));
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DECLARE_UNIQUE_INDEX_PKEY(pg_conversion_oid_index, 2670, ConversionOidIndexId, pg_conversion, btree(oid oid_ops));
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MAKE_SYSCACHE(CONDEFAULT, pg_conversion_default_index, 8);
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MAKE_SYSCACHE(CONNAMENSP, pg_conversion_name_nsp_index, 8);
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MAKE_SYSCACHE(CONVOID, pg_conversion_oid_index, 8);
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extern ObjectAddress ConversionCreate(const char *conname, Oid connamespace,
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Oid conowner,
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int32 conforencoding, int32 contoencoding,
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Oid conproc, bool def);
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extern Oid FindDefaultConversion(Oid name_space, int32 for_encoding,
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int32 to_encoding);
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#endif /* PG_CONVERSION_H */
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