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体验新版 GitCode,发现更多精彩内容 >>
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cd7d00ad
编写于
2月 28, 2013
作者:
A
Alvaro Herrera
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电子邮件补丁
差异文件
Improve pg_upgrade commentary on multixact change
Per gripe from Andres Freund
上级
63d283ec
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
12 addition
and
8 deletion
+12
-8
contrib/pg_upgrade/controldata.c
contrib/pg_upgrade/controldata.c
+4
-2
contrib/pg_upgrade/pg_upgrade.c
contrib/pg_upgrade/pg_upgrade.c
+4
-5
contrib/pg_upgrade/pg_upgrade.h
contrib/pg_upgrade/pg_upgrade.h
+4
-1
未找到文件。
contrib/pg_upgrade/controldata.c
浏览文件 @
cd7d00ad
...
...
@@ -470,7 +470,8 @@ get_control_data(ClusterInfo *cluster, bool live_check)
/* verify that we got all the mandatory pg_control data */
if
(
!
got_xid
||
!
got_oid
||
!
got_multi
||
!
got_mxoff
||
(
!
got_oldestmulti
&&
cluster
->
controldata
.
cat_ver
>=
MULTIXACT_FORMATCHANGE_CAT_VER
)
||
(
!
got_oldestmulti
&&
cluster
->
controldata
.
cat_ver
>=
MULTIXACT_FORMATCHANGE_CAT_VER
)
||
(
!
live_check
&&
!
got_nextxlogfile
)
||
!
got_tli
||
!
got_align
||
!
got_blocksz
||
!
got_largesz
||
!
got_walsz
||
...
...
@@ -493,7 +494,8 @@ get_control_data(ClusterInfo *cluster, bool live_check)
if
(
!
got_mxoff
)
pg_log
(
PG_REPORT
,
" latest checkpoint next MultiXactOffset
\n
"
);
if
(
!
got_oldestmulti
&&
cluster
->
controldata
.
cat_ver
>=
MULTIXACT_FORMATCHANGE_CAT_VER
)
if
(
!
got_oldestmulti
&&
cluster
->
controldata
.
cat_ver
>=
MULTIXACT_FORMATCHANGE_CAT_VER
)
pg_log
(
PG_REPORT
,
" latest checkpoint oldest MultiXactId
\n
"
);
if
(
!
live_check
&&
!
got_nextxlogfile
)
...
...
contrib/pg_upgrade/pg_upgrade.c
浏览文件 @
cd7d00ad
...
...
@@ -407,11 +407,10 @@ copy_clog_xlog_xid(void)
check_ok
();
/*
* If both new and old are after the pg_multixact change commit, copy those
* files too. If the old server is before that change and the new server
* is after, then we don't copy anything but we need to reset pg_control so
* that the new server doesn't attempt to read multis older than the cutoff
* value.
* If the old server is before the MULTIXACT_FORMATCHANGE_CAT_VER change
* (see pg_upgrade.h) and the new server is after, then we don't copy
* pg_multixact files, but we need to reset pg_control so that the new
* server doesn't attempt to read multis older than the cutoff value.
*/
if
(
old_cluster
.
controldata
.
cat_ver
>=
MULTIXACT_FORMATCHANGE_CAT_VER
&&
new_cluster
.
controldata
.
cat_ver
>=
MULTIXACT_FORMATCHANGE_CAT_VER
)
...
...
contrib/pg_upgrade/pg_upgrade.h
浏览文件 @
cd7d00ad
...
...
@@ -109,7 +109,10 @@ extern char *output_files[];
#define VISIBILITY_MAP_CRASHSAFE_CAT_VER 201107031
/*
* pg_multixact format changed in this catversion:
* pg_multixact format changed in 9.3 commit 0ac5ad5134f2769ccbaefec73844f85,
* ("Improve concurrency of foreign key locking") which also updated catalog
* version to this value. pg_upgrade behavior depends on whether old and new
* server versions are both newer than this, or only the new one is.
*/
#define MULTIXACT_FORMATCHANGE_CAT_VER 201301231
...
...
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