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--
-- patch-comment-table.sql
--
-- T166732. Add a `comment` table and various columns (and temporary tables) to reference it.
CREATE TABLE /*_*/comment (
comment_id bigint unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT,
comment_hash INT NOT NULL,
comment_text BLOB NOT NULL,
comment_data BLOB
) /*$wgDBTableOptions*/;
CREATE INDEX /*i*/comment_hash ON /*_*/comment (comment_hash);
CREATE TABLE /*_*/revision_comment_temp (
revcomment_rev int unsigned NOT NULL,
revcomment_comment_id bigint unsigned NOT NULL,
PRIMARY KEY (revcomment_rev, revcomment_comment_id)
) /*$wgDBTableOptions*/;
CREATE UNIQUE INDEX /*i*/revcomment_rev ON /*_*/revision_comment_temp (revcomment_rev);
CREATE TABLE /*_*/image_comment_temp (
imgcomment_name varchar(255) binary NOT NULL,
imgcomment_description_id bigint unsigned NOT NULL,
PRIMARY KEY (imgcomment_name, imgcomment_description_id)
) /*$wgDBTableOptions*/;
CREATE UNIQUE INDEX /*i*/imgcomment_name ON /*_*/image_comment_temp (imgcomment_name);
ALTER TABLE /*_*/revision
ALTER COLUMN rev_comment SET DEFAULT '';
ALTER TABLE /*_*/archive
ALTER COLUMN ar_comment SET DEFAULT '',
ADD COLUMN ar_comment_id bigint unsigned NOT NULL DEFAULT 0 AFTER ar_comment;
ALTER TABLE /*_*/ipblocks
ALTER COLUMN ipb_reason SET DEFAULT '',
ADD COLUMN ipb_reason_id bigint unsigned NOT NULL DEFAULT 0 AFTER ipb_reason;
ALTER TABLE /*_*/image
ALTER COLUMN img_description SET DEFAULT '';
ALTER TABLE /*_*/oldimage
ALTER COLUMN oi_description SET DEFAULT '',
ADD COLUMN oi_description_id bigint unsigned NOT NULL DEFAULT 0 AFTER oi_description;
ALTER TABLE /*_*/filearchive
ADD COLUMN fa_deleted_reason_id bigint unsigned NOT NULL DEFAULT 0 AFTER fa_deleted_reason,
ALTER COLUMN fa_description SET DEFAULT '',
ADD COLUMN fa_description_id bigint unsigned NOT NULL DEFAULT 0 AFTER fa_description;
ALTER TABLE /*_*/recentchanges
ADD COLUMN rc_comment_id bigint unsigned NOT NULL DEFAULT 0 AFTER rc_comment;
ALTER TABLE /*_*/logging
ADD COLUMN log_comment_id bigint unsigned NOT NULL DEFAULT 0 AFTER log_comment;
ALTER TABLE /*_*/protected_titles
ALTER COLUMN pt_reason SET DEFAULT '',
ADD COLUMN pt_reason_id bigint unsigned NOT NULL DEFAULT 0 AFTER pt_reason;
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