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7854e07f25
This follows multiple complains from Peter Geoghegan, Andres Freund and Alvaro Herrera that this issue ought to be dug more before actually happening, if it happens. Discussion: https://postgr.es/m/20191226144606.GA5659@alvherre.pgsql
37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
/*-------------------------------------------------------------------------
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*
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* amvalidate.h
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* Support routines for index access methods' amvalidate functions.
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*
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* Copyright (c) 2016-2019, PostgreSQL Global Development Group
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*
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* src/include/access/amvalidate.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef AMVALIDATE_H
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#define AMVALIDATE_H
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#include "utils/catcache.h"
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/* Struct returned (in a list) by identify_opfamily_groups() */
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typedef struct OpFamilyOpFuncGroup
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{
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Oid lefttype; /* amoplefttype/amproclefttype */
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Oid righttype; /* amoprighttype/amprocrighttype */
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uint64 operatorset; /* bitmask of operators with these types */
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uint64 functionset; /* bitmask of support funcs with these types */
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} OpFamilyOpFuncGroup;
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/* Functions in access/index/amvalidate.c */
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extern List *identify_opfamily_groups(CatCList *oprlist, CatCList *proclist);
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extern bool check_amproc_signature(Oid funcid, Oid restype, bool exact,
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int minargs, int maxargs,...);
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extern bool check_amop_signature(Oid opno, Oid restype,
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Oid lefttype, Oid righttype);
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extern bool opfamily_can_sort_type(Oid opfamilyoid, Oid datatypeoid);
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#endif /* AMVALIDATE_H */
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