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authorTatsuo Ishii <ishii@postgresql.org>1999-08-25 11:32:52 +0000
committerTatsuo Ishii <ishii@postgresql.org>1999-08-25 11:32:52 +0000
commit366f6ce2556ff5a6b4c00283128cf4d50cfd6847 (patch)
treeb4cb89888029e42bc0ec46af7940156ee2c62f31
parentf134d1fb2c6e4a5c58da459aef2e9ac32febc762 (diff)
Add new vpl_num_allocated_pages member to VPageListData.
It will keep track the number of pages allocated so that vacuum could allocate twice of the previous allocation. This will greatly reduce the total memory consumption of vacuum.
-rw-r--r--src/include/commands/vacuum.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/include/commands/vacuum.h b/src/include/commands/vacuum.h
index f9461885670..33b0ba87e74 100644
--- a/src/include/commands/vacuum.h
+++ b/src/include/commands/vacuum.h
@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
- * $Id: vacuum.h,v 1.20 1999/05/25 22:42:43 momjian Exp $
+ * $Id: vacuum.h,v 1.20.2.1 1999/08/25 11:32:52 ishii Exp $
*
*-------------------------------------------------------------------------
*/
@@ -46,6 +46,7 @@ typedef struct VPageListData
{
int vpl_empty_end_pages; /* Number of "empty" end-pages */
int vpl_num_pages; /* Number of pages in vpl_pagedesc */
+ int vpl_num_allocated_pages; /* Number of allocated pages in vpl_pagedesc */
VPageDescr *vpl_pagedesc; /* Descriptions of pages */
} VPageListData;