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During VACUUM FULL, truncate off any deletable pages that are at the

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end of a btree index.  This isn't super-effective, since we won't move
nondeletable pages, but it's better than nothing.  Also, improve stats
displayed during VACUUM VERBOSE.
This commit is contained in:
Tom Lane
2003-02-24 00:57:17 +00:00
parent 3981f2195f
commit 0797bb5c50
7 changed files with 79 additions and 30 deletions
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5
src/backend/access/gist/gist.c
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@ -8,7 +8,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/gist/gist.c,v 1.100 2003/02/22 00:45:03 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/access/gist/gist.c,v 1.101 2003/02/24 00:57:17 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1648,11 +1648,10 @@ gistbulkdelete(PG_FUNCTION_ARGS)
/* return statistics */
num_pages = RelationGetNumberOfBlocks(rel);
result = (IndexBulkDeleteResult *) palloc(sizeof(IndexBulkDeleteResult));
result = (IndexBulkDeleteResult *) palloc0(sizeof(IndexBulkDeleteResult));
result->num_pages = num_pages;
result->num_index_tuples = num_index_tuples;
result->tuples_removed = tuples_removed;
result->pages_free = 0;
PG_RETURN_POINTER(result);
}