63f9282f6e
When a column is renamed, we recursively rename the same column in all descendent tables. But if one of those tables also inherits that column from a table outside the inheritance hierarchy rooted at the named table, we must throw an error. The previous coding correctly prohibited the rename when the parent had inherited the column from elsewhere, but overlooked the case where the parent was OK but a child table also inherited the same column from a second, unrelated parent. For now, not backpatched due to lack of complaints from the field. KaiGai Kohei, with further changes by me. Reviewed by Bernd Helme and Tom Lane.
74 lines
2.3 KiB
C
74 lines
2.3 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) 1996-2010, 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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* $PostgreSQL: pgsql/src/include/commands/tablecmds.h,v 1.46 2010/02/01 19:28:56 rhaas Exp $
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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 "nodes/parsenodes.h"
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#include "utils/relcache.h"
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extern Oid DefineRelation(CreateStmt *stmt, char relkind);
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extern void RemoveRelations(DropStmt *drop);
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extern void AlterTable(AlterTableStmt *stmt);
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extern void ATExecChangeOwner(Oid relationOid, Oid newOwnerId, bool recursing);
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extern void AlterTableInternal(Oid relid, List *cmds, bool recurse);
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extern void AlterTableNamespace(RangeVar *relation, const char *newschema,
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ObjectType stmttype);
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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 renameatt(Oid myrelid,
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const char *oldattname,
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const char *newattname,
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bool recurse,
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int expected_parents);
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extern void RenameRelation(Oid myrelid,
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const char *newrelname,
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ObjectType reltype);
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extern void RenameRelationInternal(Oid myrelid,
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const char *newrelname,
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Oid namespaceId);
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extern void find_composite_type_dependencies(Oid typeOid,
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const char *origTblName,
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const char *origTypeName);
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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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#endif /* TABLECMDS_H */
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