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Adjust index locking rules as per my proposal of earlier today. You

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now are supposed to take some kind of lock on an index whenever you
are going to access the index contents, rather than relying only on a
lock on the parent table.
This commit is contained in:
Tom Lane
2004-09-30 23:21:26 +00:00
parent d674884306
commit d2af5f8a3e
7 changed files with 74 additions and 46 deletions
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8
src/include/commands/vacuum.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2004, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/commands/vacuum.h,v 1.57 2004/08/29 05:06:56 momjian Exp $
* $PostgreSQL: pgsql/src/include/commands/vacuum.h,v 1.58 2004/09/30 23:21:26 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -126,9 +126,9 @@ extern DLLIMPORT int default_statistics_target; /* DLLIMPORT for PostGIS */
/* in commands/vacuum.c */
extern void vacuum(VacuumStmt *vacstmt);
extern void vac_open_indexes(Relation relation, int *nindexes,
Relation **Irel);
extern void vac_close_indexes(int nindexes, Relation *Irel);
extern void vac_open_indexes(Relation relation, LOCKMODE lockmode,
int *nindexes, Relation **Irel);
extern void vac_close_indexes(int nindexes, Relation *Irel, LOCKMODE lockmode);
extern void vac_update_relstats(Oid relid,
BlockNumber num_pages,
double num_tuples,