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Second phase of committing Rod Taylor's pg_depend/pg_constraint patch.

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pg_relcheck is gone; CHECK, UNIQUE, PRIMARY KEY, and FOREIGN KEY
constraints all have real live entries in pg_constraint.  pg_depend
exists, and RESTRICT/CASCADE options work on most kinds of DROP;
however, pg_depend is not yet very well populated with dependencies.
(Most of the ones that are present at this point just replace formerly
hardwired associations, such as the implicit drop of a relation's pg_type
entry when the relation is dropped.)  Need to add more logic to create
dependency entries, improve pg_dump to dump constraints in place of
indexes and triggers, and add some regression tests.
This commit is contained in:
Tom Lane
2002-07-12 18:43:19 +00:00
parent 791a40f943
commit 7c6df91dda
77 changed files with 4074 additions and 1987 deletions
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11
src/backend/commands/dbcommands.c
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@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/dbcommands.c,v 1.95 2002/06/20 20:29:27 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/dbcommands.c,v 1.96 2002/07/12 18:43:15 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -456,8 +456,13 @@ dropdb(const char *dbname)
heap_endscan(pgdbscan);
/* Delete any comments associated with the database */
DeleteComments(db_id, RelationGetRelid(pgdbrel));
/*
* Delete any comments associated with the database
*
* NOTE: this is probably dead code since any such comments should have
* been in that database, not mine.
*/
DeleteComments(db_id, RelationGetRelid(pgdbrel), 0);
/*
* Close pg_database, but keep exclusive lock till commit to ensure