mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-10-03 03:36:52 +02:00
5fa3418304
backends. Given that temp tables now store data locally in the local buffer manager, these things are not going to work safely.
100 lines
3.4 KiB
C
100 lines
3.4 KiB
C
/*-------------------------------------------------------------------------
|
|
*
|
|
* namespace.h
|
|
* prototypes for functions in backend/catalog/namespace.c
|
|
*
|
|
*
|
|
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
|
|
* Portions Copyright (c) 1994, Regents of the University of California
|
|
*
|
|
* $Id: namespace.h,v 1.21 2002/09/23 20:43:41 tgl Exp $
|
|
*
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
#ifndef NAMESPACE_H
|
|
#define NAMESPACE_H
|
|
|
|
#include "nodes/primnodes.h"
|
|
|
|
|
|
/*
|
|
* This structure holds a list of possible functions or operators
|
|
* found by namespace lookup. Each function/operator is identified
|
|
* by OID and by argument types; the list must be pruned by type
|
|
* resolution rules that are embodied in the parser, not here.
|
|
*/
|
|
typedef struct _FuncCandidateList
|
|
{
|
|
struct _FuncCandidateList *next;
|
|
int pathpos; /* for internal use of namespace lookup */
|
|
Oid oid; /* the function or operator's OID */
|
|
int nargs; /* number of arg types returned */
|
|
Oid args[1]; /* arg types --- VARIABLE LENGTH ARRAY */
|
|
} *FuncCandidateList; /* VARIABLE LENGTH STRUCT */
|
|
|
|
/*
|
|
* This structure holds a list of opclass candidates found by namespace
|
|
* lookup.
|
|
*/
|
|
typedef struct _OpclassCandidateList
|
|
{
|
|
struct _OpclassCandidateList *next;
|
|
char *opcname_tmp; /* for internal use of namespace lookup */
|
|
int pathpos; /* for internal use of namespace lookup */
|
|
Oid oid; /* the opclass's OID */
|
|
Oid opcintype; /* type of input data for opclass */
|
|
bool opcdefault; /* T if opclass is default for opcintype */
|
|
Oid opckeytype; /* type of index data, or InvalidOid */
|
|
} *OpclassCandidateList;
|
|
|
|
|
|
extern Oid RangeVarGetRelid(const RangeVar *relation, bool failOK);
|
|
extern Oid RangeVarGetCreationNamespace(const RangeVar *newRelation);
|
|
extern Oid RelnameGetRelid(const char *relname);
|
|
extern bool RelationIsVisible(Oid relid);
|
|
|
|
extern Oid TypenameGetTypid(const char *typname);
|
|
extern bool TypeIsVisible(Oid typid);
|
|
|
|
extern FuncCandidateList FuncnameGetCandidates(List *names, int nargs);
|
|
extern bool FunctionIsVisible(Oid funcid);
|
|
|
|
extern FuncCandidateList OpernameGetCandidates(List *names, char oprkind);
|
|
extern bool OperatorIsVisible(Oid oprid);
|
|
|
|
extern OpclassCandidateList OpclassGetCandidates(Oid amid);
|
|
extern Oid OpclassnameGetOpcid(Oid amid, const char *opcname);
|
|
extern bool OpclassIsVisible(Oid opcid);
|
|
|
|
extern void DeconstructQualifiedName(List *names,
|
|
char **nspname_p,
|
|
char **objname_p);
|
|
extern Oid LookupExplicitNamespace(const char *nspname);
|
|
|
|
extern Oid QualifiedNameGetCreationNamespace(List *names, char **objname_p);
|
|
extern RangeVar *makeRangeVarFromNameList(List *names);
|
|
extern char *NameListToString(List *names);
|
|
|
|
extern bool isTempNamespace(Oid namespaceId);
|
|
extern bool isOtherTempNamespace(Oid namespaceId);
|
|
|
|
extern void PushSpecialNamespace(Oid namespaceId);
|
|
extern void PopSpecialNamespace(Oid namespaceId);
|
|
|
|
extern Oid FindConversionByName(List *conname);
|
|
extern Oid FindDefaultConversionProc(int4 for_encoding, int4 to_encoding);
|
|
|
|
/* initialization & transaction cleanup code */
|
|
extern void InitializeSearchPath(void);
|
|
extern void AtEOXact_Namespace(bool isCommit);
|
|
|
|
/* stuff for search_path GUC variable */
|
|
extern char *namespace_search_path;
|
|
|
|
extern const char *assign_search_path(const char *newval,
|
|
bool doit, bool interactive);
|
|
|
|
extern List *fetch_search_path(bool includeImplicit);
|
|
|
|
#endif /* NAMESPACE_H */
|