Aaron Schulz has uploaded a new change for review.

  https://gerrit.wikimedia.org/r/282807

Change subject: Remove redundant UNIQUE from rev_page_id
......................................................................

Remove redundant UNIQUE from rev_page_id

The PRIMARY KEY is rev_id, so this is a waste and
makes the index slower to maintain (e.g. no change
buffering).

Change-Id: I63f817656ff5e62aa27caf607d70353cc99eb349
---
M maintenance/tables.sql
1 file changed, 1 insertion(+), 1 deletion(-)


  git pull ssh://gerrit.wikimedia.org:29418/mediawiki/core 
refs/changes/07/282807/1

diff --git a/maintenance/tables.sql b/maintenance/tables.sql
index 89aeb9c..b80d593 100644
--- a/maintenance/tables.sql
+++ b/maintenance/tables.sql
@@ -369,7 +369,7 @@
 ) /*$wgDBTableOptions*/ MAX_ROWS=10000000 AVG_ROW_LENGTH=1024;
 -- In case tables are created as MyISAM, use row hints for MySQL <5.0 to avoid 
4GB limit
 
-CREATE UNIQUE INDEX /*i*/rev_page_id ON /*_*/revision (rev_page, rev_id);
+CREATE INDEX /*i*/rev_page_id ON /*_*/revision (rev_page, rev_id);
 CREATE INDEX /*i*/rev_timestamp ON /*_*/revision (rev_timestamp);
 CREATE INDEX /*i*/page_timestamp ON /*_*/revision (rev_page,rev_timestamp);
 CREATE INDEX /*i*/user_timestamp ON /*_*/revision (rev_user,rev_timestamp);

-- 
To view, visit https://gerrit.wikimedia.org/r/282807
To unsubscribe, visit https://gerrit.wikimedia.org/r/settings

Gerrit-MessageType: newchange
Gerrit-Change-Id: I63f817656ff5e62aa27caf607d70353cc99eb349
Gerrit-PatchSet: 1
Gerrit-Project: mediawiki/core
Gerrit-Branch: master
Gerrit-Owner: Aaron Schulz <[email protected]>

_______________________________________________
MediaWiki-commits mailing list
[email protected]
https://lists.wikimedia.org/mailman/listinfo/mediawiki-commits

Reply via email to