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- /*-------------------------------------------------------------------------
- *
- * namespace.h
- * prototypes for functions in backend/catalog/namespace.c
- *
- *
- * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- * src/include/catalog/namespace.h
- *
- *-------------------------------------------------------------------------
- */
- #ifndef NAMESPACE_H
- #define NAMESPACE_H
- #include "nodes/primnodes.h"
- #include "storage/lock.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.
- * See FuncnameGetCandidates's comments for more info.
- */
- 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 */
- int nvargs; /* number of args to become variadic array */
- int ndargs; /* number of defaulted args */
- int *argnumbers; /* args' positional indexes, if named call */
- Oid args[FLEXIBLE_ARRAY_MEMBER]; /* arg types */
- } *FuncCandidateList;
- /*
- * Structure for xxxOverrideSearchPath functions
- */
- typedef struct OverrideSearchPath
- {
- List *schemas; /* OIDs of explicitly named schemas */
- bool addCatalog; /* implicitly prepend pg_catalog? */
- bool addTemp; /* implicitly prepend temp schema? */
- } OverrideSearchPath;
- typedef void (*RangeVarGetRelidCallback) (const RangeVar *relation, Oid relId,
- Oid oldRelId, void *callback_arg);
- #define RangeVarGetRelid(relation, lockmode, missing_ok) \
- RangeVarGetRelidExtended(relation, lockmode, missing_ok, false, NULL, NULL)
- extern Oid RangeVarGetRelidExtended(const RangeVar *relation,
- LOCKMODE lockmode, bool missing_ok, bool nowait,
- RangeVarGetRelidCallback callback,
- void *callback_arg);
- extern Oid RangeVarGetCreationNamespace(const RangeVar *newRelation);
- extern Oid RangeVarGetAndCheckCreationNamespace(RangeVar *newRelation,
- LOCKMODE lockmode,
- Oid *existing_relation_id);
- extern void RangeVarAdjustRelationPersistence(RangeVar *newRelation, Oid nspid);
- 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, List *argnames,
- bool expand_variadic,
- bool expand_defaults,
- bool missing_ok);
- extern bool FunctionIsVisible(Oid funcid);
- extern Oid OpernameGetOprid(List *names, Oid oprleft, Oid oprright);
- extern FuncCandidateList OpernameGetCandidates(List *names, char oprkind,
- bool missing_schema_ok);
- extern bool OperatorIsVisible(Oid oprid);
- extern Oid OpclassnameGetOpcid(Oid amid, const char *opcname);
- extern bool OpclassIsVisible(Oid opcid);
- extern Oid OpfamilynameGetOpfid(Oid amid, const char *opfname);
- extern bool OpfamilyIsVisible(Oid opfid);
- extern Oid CollationGetCollid(const char *collname);
- extern bool CollationIsVisible(Oid collid);
- extern Oid ConversionGetConid(const char *conname);
- extern bool ConversionIsVisible(Oid conid);
- extern Oid get_ts_parser_oid(List *names, bool missing_ok);
- extern bool TSParserIsVisible(Oid prsId);
- extern Oid get_ts_dict_oid(List *names, bool missing_ok);
- extern bool TSDictionaryIsVisible(Oid dictId);
- extern Oid get_ts_template_oid(List *names, bool missing_ok);
- extern bool TSTemplateIsVisible(Oid tmplId);
- extern Oid get_ts_config_oid(List *names, bool missing_ok);
- extern bool TSConfigIsVisible(Oid cfgid);
- extern void DeconstructQualifiedName(List *names,
- char **nspname_p,
- char **objname_p);
- extern Oid LookupNamespaceNoError(const char *nspname);
- extern Oid LookupExplicitNamespace(const char *nspname, bool missing_ok);
- extern Oid get_namespace_oid(const char *nspname, bool missing_ok);
- extern Oid LookupCreationNamespace(const char *nspname);
- extern void CheckSetNamespace(Oid oldNspOid, Oid nspOid);
- extern Oid QualifiedNameGetCreationNamespace(List *names, char **objname_p);
- extern RangeVar *makeRangeVarFromNameList(List *names);
- extern char *NameListToString(List *names);
- extern char *NameListToQuotedString(List *names);
- extern bool isTempNamespace(Oid namespaceId);
- extern bool isTempToastNamespace(Oid namespaceId);
- extern bool isTempOrTempToastNamespace(Oid namespaceId);
- extern bool isAnyTempNamespace(Oid namespaceId);
- extern bool isOtherTempNamespace(Oid namespaceId);
- extern int GetTempNamespaceBackendId(Oid namespaceId);
- extern Oid GetTempToastNamespace(void);
- extern void GetTempNamespaceState(Oid *tempNamespaceId,
- Oid *tempToastNamespaceId);
- extern void SetTempNamespaceState(Oid tempNamespaceId,
- Oid tempToastNamespaceId);
- extern void ResetTempTableNamespace(void);
- extern OverrideSearchPath *GetOverrideSearchPath(MemoryContext context);
- extern OverrideSearchPath *CopyOverrideSearchPath(OverrideSearchPath *path);
- extern bool OverrideSearchPathMatchesCurrent(OverrideSearchPath *path);
- extern void PushOverrideSearchPath(OverrideSearchPath *newpath);
- extern void PopOverrideSearchPath(void);
- extern Oid get_collation_oid(List *collname, bool missing_ok);
- extern Oid get_conversion_oid(List *conname, bool missing_ok);
- extern Oid FindDefaultConversionProc(int32 for_encoding, int32 to_encoding);
- /* initialization & transaction cleanup code */
- extern void InitializeSearchPath(void);
- extern void AtEOXact_Namespace(bool isCommit, bool parallel);
- extern void AtEOSubXact_Namespace(bool isCommit, SubTransactionId mySubid,
- SubTransactionId parentSubid);
- /* stuff for search_path GUC variable */
- extern char *namespace_search_path;
- extern List *fetch_search_path(bool includeImplicit);
- extern int fetch_search_path_array(Oid *sarray, int sarray_len);
- #endif /* NAMESPACE_H */
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