maintenance/sqlite/archives/patch-archive-drop-ar_comment.sql

   1 --
   2 -- patch-archive-drop-ar_comment.sql
   3 --
   4 -- T166732. Drop old xx_comment fields, and defaults from xx_comment_id fields.
   5
   6 BEGIN;
   7
   8 DROP TABLE IF EXISTS /*_*/archive_tmp;
   9 CREATE TABLE /*_*/archive_tmp (
  10   ar_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT,
  11   ar_namespace int NOT NULL default 0,
  12   ar_title varchar(255) binary NOT NULL default '',
  13   ar_comment_id bigint unsigned NOT NULL,
  14   ar_user int unsigned NOT NULL default 0,
  15   ar_user_text varchar(255) binary NOT NULL DEFAULT '',
  16   ar_actor bigint unsigned NOT NULL DEFAULT 0,
  17   ar_timestamp binary(14) NOT NULL default '',
  18   ar_minor_edit tinyint NOT NULL default 0,
  19   ar_rev_id int unsigned NOT NULL,
  20   ar_text_id int unsigned NOT NULL DEFAULT 0,
  21   ar_deleted tinyint unsigned NOT NULL default 0,
  22   ar_len int unsigned,
  23   ar_page_id int unsigned,
  24   ar_parent_id int unsigned default NULL,
  25   ar_sha1 varbinary(32) NOT NULL default '',
  26   ar_content_model varbinary(32) DEFAULT NULL,
  27   ar_content_format varbinary(64) DEFAULT NULL
  28 ) /*$wgDBTableOptions*/;
  29
  30 INSERT OR IGNORE INTO /*_*/archive_tmp (
  31         ar_id, ar_namespace, ar_title, ar_comment_id, ar_user, ar_user_text, ar_actor,
  32         ar_timestamp, ar_minor_edit, ar_rev_id, ar_text_id, ar_deleted,
  33         ar_len, ar_page_id, ar_parent_id, ar_sha1, ar_content_model, ar_content_format
  34   ) SELECT
  35         ar_id, ar_namespace, ar_title, ar_comment_id, ar_user, ar_user_text, ar_actor,
  36         ar_timestamp, ar_minor_edit, ar_rev_id, ar_text_id, ar_deleted,
  37         ar_len, ar_page_id, ar_parent_id, ar_sha1, ar_content_model, ar_content_format
  38   FROM /*_*/archive;
  39
  40 DROP TABLE /*_*/archive;
  41 ALTER TABLE /*_*/archive_tmp RENAME TO /*_*/archive;
  42 CREATE INDEX /*i*/name_title_timestamp ON /*_*/archive (ar_namespace,ar_title,ar_timestamp);
  43 CREATE INDEX /*i*/ar_usertext_timestamp ON /*_*/archive (ar_user_text,ar_timestamp);
  44 CREATE INDEX /*i*/ar_actor_timestamp ON /*_*/archive (ar_actor,ar_timestamp);
  45 CREATE UNIQUE INDEX /*i*/ar_revid_uniq ON /*_*/archive (ar_rev_id);
  46
  47 COMMIT;