codekingpro/portable-devtools

1/*-------------------------------------------------------------------------2 *3 * pg_operator.h4 *	  definition of the "operator" system catalog (pg_operator)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_operator.h11 *12 * NOTES13 *	  The Catalog.pm module reads this file and derives schema14 *	  information.15 *16 *-------------------------------------------------------------------------17 */18#ifndef PG_OPERATOR_H19#define PG_OPERATOR_H20 21#include "catalog/genbki.h"22#include "catalog/objectaddress.h"23#include "catalog/pg_operator_d.h"24#include "nodes/pg_list.h"25 26/* ----------------27 *		pg_operator definition.  cpp turns this into28 *		typedef struct FormData_pg_operator29 * ----------------30 */31CATALOG(pg_operator,2617,OperatorRelationId)32{33	Oid			oid;			/* oid */34 35	/* name of operator */36	NameData	oprname;37 38	/* OID of namespace containing this oper */39	Oid			oprnamespace BKI_DEFAULT(pg_catalog) BKI_LOOKUP(pg_namespace);40 41	/* operator owner */42	Oid			oprowner BKI_DEFAULT(POSTGRES) BKI_LOOKUP(pg_authid);43 44	/* 'l' for prefix or 'b' for infix */45	char		oprkind BKI_DEFAULT(b);46 47	/* can be used in merge join? */48	bool		oprcanmerge BKI_DEFAULT(f);49 50	/* can be used in hash join? */51	bool		oprcanhash BKI_DEFAULT(f);52 53	/* left arg type, or 0 if prefix operator */54	Oid			oprleft BKI_LOOKUP_OPT(pg_type);55 56	/* right arg type */57	Oid			oprright BKI_LOOKUP(pg_type);58 59	/* result datatype; can be 0 in a "shell" operator */60	Oid			oprresult BKI_LOOKUP_OPT(pg_type);61 62	/* OID of commutator oper, or 0 if none */63	Oid			oprcom BKI_DEFAULT(0) BKI_LOOKUP_OPT(pg_operator);64 65	/* OID of negator oper, or 0 if none */66	Oid			oprnegate BKI_DEFAULT(0) BKI_LOOKUP_OPT(pg_operator);67 68	/* OID of underlying function; can be 0 in a "shell" operator */69	regproc		oprcode BKI_LOOKUP_OPT(pg_proc);70 71	/* OID of restriction estimator, or 0 */72	regproc		oprrest BKI_DEFAULT(-) BKI_LOOKUP_OPT(pg_proc);73 74	/* OID of join estimator, or 0 */75	regproc		oprjoin BKI_DEFAULT(-) BKI_LOOKUP_OPT(pg_proc);76} FormData_pg_operator;77 78/* ----------------79 *		Form_pg_operator corresponds to a pointer to a tuple with80 *		the format of pg_operator relation.81 * ----------------82 */83typedef FormData_pg_operator *Form_pg_operator;84 85DECLARE_UNIQUE_INDEX_PKEY(pg_operator_oid_index, 2688, OperatorOidIndexId, on pg_operator using btree(oid oid_ops));86DECLARE_UNIQUE_INDEX(pg_operator_oprname_l_r_n_index, 2689, OperatorNameNspIndexId, on pg_operator using btree(oprname name_ops, oprleft oid_ops, oprright oid_ops, oprnamespace oid_ops));87 88 89extern ObjectAddress OperatorCreate(const char *operatorName,90									Oid operatorNamespace,91									Oid leftTypeId,92									Oid rightTypeId,93									Oid procedureId,94									List *commutatorName,95									List *negatorName,96									Oid restrictionId,97									Oid joinId,98									bool canMerge,99									bool canHash);100 101extern ObjectAddress makeOperatorDependencies(HeapTuple tuple,102											  bool makeExtensionDep,103											  bool isUpdate);104 105extern void OperatorUpd(Oid baseId, Oid commId, Oid negId, bool isDelete);106 107#endif							/* PG_OPERATOR_H */108