maintenance/sqlite/archives/patch-drop-ar_text.sql

   1 -- T33223: Remove obsolete ar_text and ar_flags columns
   2 -- (and make ar_text_id not nullable and default 0)
   3
   4 BEGIN;
   5
   6 DROP TABLE IF EXISTS /*_*/archive_tmp;
   7 CREATE TABLE /*_*/archive_tmp (
   8   ar_id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT,
   9   ar_namespace int NOT NULL default 0,
  10   ar_title varchar(255) binary NOT NULL default '',
  11   ar_comment varbinary(767) NOT NULL default '',
  12   ar_comment_id bigint unsigned NOT NULL DEFAULT 0,
  13   ar_user int unsigned NOT NULL default 0,
  14   ar_user_text varchar(255) binary NOT NULL,
  15   ar_timestamp binary(14) NOT NULL default '',
  16   ar_minor_edit tinyint NOT NULL default 0,
  17   ar_rev_id int unsigned,
  18   ar_text_id int unsigned NOT NULL default 0,
  19   ar_deleted tinyint unsigned NOT NULL default 0,
  20   ar_len int unsigned,
  21   ar_page_id int unsigned,
  22   ar_parent_id int unsigned default NULL,
  23   ar_sha1 varbinary(32) NOT NULL default '',
  24   ar_content_model varbinary(32) DEFAULT NULL,
  25   ar_content_format varbinary(64) DEFAULT NULL
  26 ) /*$wgDBTableOptions*/;
  27
  28 INSERT OR IGNORE INTO /*_*/archive_tmp (
  29                 ar_id, ar_namespace, ar_title, ar_comment, ar_user, ar_user_text,
  30                 ar_timestamp, ar_minor_edit, ar_rev_id, ar_text_id, ar_deleted, ar_len,
  31                 ar_page_id, ar_parent_id, ar_sha1, ar_content_model, ar_content_format)
  32   SELECT
  33                 ar_id, ar_namespace, ar_title, ar_comment, ar_user, ar_user_text,
  34                 ar_timestamp, ar_minor_edit, ar_rev_id, ar_text_id, ar_deleted, ar_len,
  35                 ar_page_id, ar_parent_id, ar_sha1, ar_content_model, ar_content_format
  36   FROM /*_*/archive;
  37
  38 DROP TABLE /*_*/archive;
  39 ALTER TABLE /*_*/archive_tmp RENAME TO /*_*/archive;
  40 CREATE INDEX /*i*/name_title_timestamp ON /*_*/archive (ar_namespace,ar_title,ar_timestamp);
  41 CREATE INDEX /*i*/ar_usertext_timestamp ON /*_*/archive (ar_user_text,ar_timestamp);
  42 CREATE INDEX /*i*/ar_revid ON /*_*/archive (ar_rev_id);
  43
  44 COMMIT;