27c61fb1e9
Storing the user name or IP in every row in large tables like revision and logging takes up space and makes operations on these tables slower. This patch begins the process of moving those into one "actor" table which other tables can reference with a single integer field. A subsequent patch will remove the old columns. Bug: T167246 Depends-On: I9293fd6e0f958d87e52965de925046f1bb8f8a50 Change-Id: I8d825eb02c69cc66d90bd41325133fd3f99f0226
57 lines
2.6 KiB
SQL
57 lines
2.6 KiB
SQL
--
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-- patch-actor-table.sql
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--
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-- T167246. Add an `actor` table and various columns (and temporary tables) to reference it.
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CREATE TABLE /*_*/actor (
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actor_id bigint unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT,
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actor_user int unsigned,
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actor_name varchar(255) binary NOT NULL
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) /*$wgDBTableOptions*/;
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CREATE UNIQUE INDEX /*i*/actor_user ON /*_*/actor (actor_user);
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CREATE UNIQUE INDEX /*i*/actor_name ON /*_*/actor (actor_name);
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CREATE TABLE /*_*/revision_actor_temp (
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revactor_rev int unsigned NOT NULL,
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revactor_actor bigint unsigned NOT NULL,
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revactor_timestamp binary(14) NOT NULL default '',
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revactor_page int unsigned NOT NULL,
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PRIMARY KEY (revactor_rev, revactor_actor)
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) /*$wgDBTableOptions*/;
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CREATE UNIQUE INDEX /*i*/revactor_rev ON /*_*/revision_actor_temp (revactor_rev);
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CREATE INDEX /*i*/actor_timestamp ON /*_*/revision_actor_temp (revactor_actor,revactor_timestamp);
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CREATE INDEX /*i*/page_actor_timestamp ON /*_*/revision_actor_temp (revactor_page,revactor_actor,revactor_timestamp);
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ALTER TABLE /*_*/archive
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ALTER COLUMN ar_user_text SET DEFAULT '',
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ADD COLUMN ar_actor bigint unsigned NOT NULL DEFAULT 0 AFTER ar_user_text;
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CREATE INDEX /*i*/ar_actor_timestamp ON /*_*/archive (ar_actor,ar_timestamp);
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ALTER TABLE /*_*/ipblocks
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ADD COLUMN ipb_by_actor bigint unsigned NOT NULL DEFAULT 0 AFTER ipb_by_text;
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ALTER TABLE /*_*/image
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ALTER COLUMN img_user_text SET DEFAULT '',
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ADD COLUMN img_actor bigint unsigned NOT NULL DEFAULT 0 AFTER img_user_text;
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CREATE INDEX /*i*/img_actor_timestamp ON /*_*/image (img_actor, img_timestamp);
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ALTER TABLE /*_*/oldimage
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ALTER COLUMN oi_user_text SET DEFAULT '',
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ADD COLUMN oi_actor bigint unsigned NOT NULL DEFAULT 0 AFTER oi_user_text;
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CREATE INDEX /*i*/oi_actor_timestamp ON /*_*/oldimage (oi_actor,oi_timestamp);
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ALTER TABLE /*_*/filearchive
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ALTER COLUMN fa_user_text SET DEFAULT '',
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ADD COLUMN fa_actor bigint unsigned NOT NULL DEFAULT 0 AFTER fa_user_text;
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CREATE INDEX /*i*/fa_actor_timestamp ON /*_*/filearchive (fa_actor,fa_timestamp);
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ALTER TABLE /*_*/recentchanges
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ALTER COLUMN rc_user_text SET DEFAULT '',
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ADD COLUMN rc_actor bigint unsigned NOT NULL DEFAULT 0 AFTER rc_user_text;
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CREATE INDEX /*i*/rc_ns_actor ON /*_*/recentchanges (rc_namespace, rc_actor);
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CREATE INDEX /*i*/rc_actor ON /*_*/recentchanges (rc_actor, rc_timestamp);
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ALTER TABLE /*_*/logging
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ADD COLUMN log_actor bigint unsigned NOT NULL DEFAULT 0 AFTER log_user_text;
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CREATE INDEX /*i*/actor_time ON /*_*/logging (log_actor, log_timestamp);
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CREATE INDEX /*i*/log_actor_type_time ON /*_*/logging (log_actor, log_type, log_timestamp);
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