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1489e2f26a
ALTER TABLE (and ALTER VIEW, ALTER SEQUENCE, etc.) now use a RangeVarGetRelid callback to check permissions before acquiring a table lock. We also now use the same callback for all forms of ALTER TABLE, rather than having separate, almost-identical callbacks for ALTER TABLE .. SET SCHEMA and ALTER TABLE .. RENAME, and no callback at all for everything else. I went ahead and changed the code so that no form of ALTER TABLE works on foreign tables; you must use ALTER FOREIGN TABLE instead. In 9.1, it was possible to use ALTER TABLE .. SET SCHEMA or ALTER TABLE .. RENAME on a foreign table, but not any other form of ALTER TABLE, which did not seem terribly useful or consistent. Patch by me; review by Noah Misch.
78 lines
2.5 KiB
C
78 lines
2.5 KiB
C
/*-------------------------------------------------------------------------
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*
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* tablecmds.h
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* prototypes for tablecmds.c.
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*
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*
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* Portions Copyright (c) 1996-2012, 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/commands/tablecmds.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef TABLECMDS_H
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#define TABLECMDS_H
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#include "access/htup.h"
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#include "nodes/parsenodes.h"
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#include "storage/lock.h"
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#include "utils/relcache.h"
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extern Oid DefineRelation(CreateStmt *stmt, char relkind, Oid ownerId);
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extern void RemoveRelations(DropStmt *drop);
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extern Oid AlterTableLookupRelation(AlterTableStmt *stmt, LOCKMODE lockmode);
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extern void AlterTable(Oid relid, LOCKMODE lockmode, AlterTableStmt *stmt);
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extern LOCKMODE AlterTableGetLockLevel(List *cmds);
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extern void ATExecChangeOwner(Oid relationOid, Oid newOwnerId, bool recursing, LOCKMODE lockmode);
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extern void AlterTableInternal(Oid relid, List *cmds, bool recurse);
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extern void AlterTableNamespace(AlterObjectSchemaStmt *stmt);
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extern void AlterRelationNamespaceInternal(Relation classRel, Oid relOid,
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Oid oldNspOid, Oid newNspOid,
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bool hasDependEntry);
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extern void CheckTableNotInUse(Relation rel, const char *stmt);
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extern void ExecuteTruncate(TruncateStmt *stmt);
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extern void SetRelationHasSubclass(Oid relationId, bool relhassubclass);
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extern void renameatt(RenameStmt *stmt);
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extern void RenameRelation(RenameStmt *stmt);
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extern void RenameRelationInternal(Oid myrelid,
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const char *newrelname);
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extern void find_composite_type_dependencies(Oid typeOid,
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Relation origRelation,
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const char *origTypeName);
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extern void check_of_type(HeapTuple typetuple);
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extern AttrNumber *varattnos_map(TupleDesc olddesc, TupleDesc newdesc);
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extern AttrNumber *varattnos_map_schema(TupleDesc old, List *schema);
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extern void change_varattnos_of_a_node(Node *node, const AttrNumber *newattno);
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extern void register_on_commit_action(Oid relid, OnCommitAction action);
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extern void remove_on_commit_action(Oid relid);
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extern void PreCommit_on_commit_actions(void);
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extern void AtEOXact_on_commit_actions(bool isCommit);
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extern void AtEOSubXact_on_commit_actions(bool isCommit,
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SubTransactionId mySubid,
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SubTransactionId parentSubid);
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extern void RangeVarCallbackOwnsTable(const RangeVar *relation,
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Oid relId, Oid oldRelId, void *arg);
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#endif /* TABLECMDS_H */
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