diff options
Diffstat (limited to 'src/include/access/nbtree.h')
| -rw-r--r-- | src/include/access/nbtree.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/include/access/nbtree.h b/src/include/access/nbtree.h index acbb0cbc7d7..f3898a41408 100644 --- a/src/include/access/nbtree.h +++ b/src/include/access/nbtree.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/access/nbtree.h,v 1.128 2010/02/08 04:33:54 tgl Exp $ + * $PostgreSQL: pgsql/src/include/access/nbtree.h,v 1.129 2010/02/13 00:59:58 sriggs Exp $ * *------------------------------------------------------------------------- */ @@ -221,6 +221,7 @@ typedef struct BTMetaPageData #define XLOG_BTREE_DELETE_PAGE_HALF 0xB0 /* page deletion that makes * parent half-dead */ #define XLOG_BTREE_VACUUM 0xC0 /* delete entries on a page during vacuum */ +#define XLOG_BTREE_REUSE_PAGE 0xD0 /* old page is about to be reused from FSM */ /* * All that we need to find changed index tuple @@ -322,6 +323,18 @@ typedef struct xl_btree_delete #define SizeOfBtreeDelete (offsetof(xl_btree_delete, latestRemovedXid) + sizeof(TransactionId)) /* + * This is what we need to know about page reuse within btree. + */ +typedef struct xl_btree_reuse_page +{ + RelFileNode node; + BlockNumber block; + TransactionId latestRemovedXid; +} xl_btree_reuse_page; + +#define SizeOfBtreeReusePage (sizeof(xl_btree_reuse_page)) + +/* * This is what we need to know about vacuum of individual leaf index tuples. * The WAL record can represent deletion of any number of index tuples on a * single index page when executed by VACUUM. |