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| author | Bruce Momjian <bruce@momjian.us> | 2006-02-11 16:59:09 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2006-02-11 16:59:09 +0000 |
| commit | bf324946b32736da1b128b1e742515879b42a4e8 (patch) | |
| tree | d1a9560e621c4423a40dfef2fc5dcfda183dfbeb /src/include/access/genam.h | |
| parent | 85d8ee846b6b645cdf07d948aabc807aa755deac (diff) | |
| download | postgresql-bf324946b32736da1b128b1e742515879b42a4e8.tar.gz | |
Allow VACUUM to complete faster by avoiding scanning the indexes when no
rows were removed from the heap by the VACUUM.
Simon Riggs
Diffstat (limited to 'src/include/access/genam.h')
| -rw-r--r-- | src/include/access/genam.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/include/access/genam.h b/src/include/access/genam.h index 7dc33d3138..ef9ca2146b 100644 --- a/src/include/access/genam.h +++ b/src/include/access/genam.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/access/genam.h,v 1.54 2005/12/03 05:51:03 tgl Exp $ + * $PostgreSQL: pgsql/src/include/access/genam.h,v 1.55 2006/02/11 16:59:09 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -38,6 +38,8 @@ typedef struct IndexBulkDeleteResult BlockNumber num_pages; /* pages remaining in index */ BlockNumber pages_removed; /* # removed by bulk-delete operation */ double num_index_tuples; /* tuples remaining */ + /* should set to -1 if index not scanned */ + /* because no records to delete */ double tuples_removed; /* # removed by bulk-delete operation */ BlockNumber pages_deleted; /* # unused pages in index */ BlockNumber pages_free; /* # pages available for reuse */ |