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aa38434824
This introduces a new set of extended routines for procedure and
operator name lookups, with a flag bitmask argument that can modify the
result. The following options are available:
- Force schema qualification, ignoring search_path. This is similar to
the existing option for format_{operator|procedure}_qualified().
- Force NULL as result instead of a numeric OID for an undefined
object. This option is new.
This is a refactoring similar to 1185c78, that will be used for a future
patch to improve the SQL functions providing information using object
addresses for undefined objects.
Author: Michael Paquier
Reviewed-by: Aleksander Alekseev, Dmitry Dolgov, Daniel Gustafsson,
Álvaro Herrera
Discussion: https://postgr.es/m/CAB7nPqSZxrSmdHK-rny7z8mi=EAFXJ5J-0RbzDw6aus=wB5azQ@mail.gmail.com
39 lines
1.4 KiB
C
39 lines
1.4 KiB
C
/*-------------------------------------------------------------------------
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*
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* regproc.h
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* Functions for the built-in types regproc, regclass, regtype, etc.
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*
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* Portions Copyright (c) 1996-2020, 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/utils/regproc.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef REGPROC_H
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#define REGPROC_H
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#include "nodes/pg_list.h"
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/* Control flags for format_procedure_extended */
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#define FORMAT_PROC_INVALID_AS_NULL 0x01 /* NULL if undefined */
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#define FORMAT_PROC_FORCE_QUALIFY 0x02 /* force qualification */
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extern char *format_procedure_extended(Oid procedure_oid, bits16 flags);
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/* Control flags for format_operator_extended */
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#define FORMAT_OPERATOR_INVALID_AS_NULL 0x01 /* NULL if undefined */
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#define FORMAT_OPERATOR_FORCE_QUALIFY 0x02 /* force qualification */
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extern char *format_operator_extended(Oid operator_oid, bits16 flags);
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extern List *stringToQualifiedNameList(const char *string);
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extern char *format_procedure(Oid procedure_oid);
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extern char *format_procedure_qualified(Oid procedure_oid);
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extern void format_procedure_parts(Oid operator_oid, List **objnames,
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List **objargs);
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extern char *format_operator(Oid operator_oid);
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extern char *format_operator_qualified(Oid operator_oid);
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extern void format_operator_parts(Oid operator_oid, List **objnames,
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List **objargs);
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#endif
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