maintenance/mssql/archives/patch-comment-table.sql

   1 --
   2 -- patch-comment-table.sql
   3 --
   4 -- T166732. Add a `comment` table and various columns (and temporary tables) to reference it.
   5
   6 CREATE TABLE /*_*/comment (
   7   comment_id bigint NOT NULL PRIMARY KEY IDENTITY(0,1),
   8   comment_hash INT NOT NULL,
   9   comment_text nvarchar(max) NOT NULL,
  10   comment_data nvarchar(max)
  11 );
  12 CREATE INDEX /*i*/comment_hash ON /*_*/comment (comment_hash);
  13
  14 -- dummy row for FKs. Hash is intentionally wrong so CommentStore won't match it.
  15 INSERT INTO /*_*/comment (comment_hash, comment_text) VALUES (-1, '** dummy **');
  16
  17
  18 CREATE TABLE /*_*/revision_comment_temp (
  19   revcomment_rev INT NOT NULL CONSTRAINT FK_revcomment_rev FOREIGN KEY REFERENCES /*_*/revision(rev_id) ON DELETE CASCADE,
  20   revcomment_comment_id bigint NOT NULL CONSTRAINT FK_revcomment_comment_id FOREIGN KEY REFERENCES /*_*/comment(comment_id),
  21   CONSTRAINT PK_revision_comment_temp PRIMARY KEY (revcomment_rev, revcomment_comment_id)
  22 );
  23 CREATE UNIQUE INDEX /*i*/revcomment_rev ON /*_*/revision_comment_temp (revcomment_rev);
  24
  25
  26 CREATE TABLE /*_*/image_comment_temp (
  27   imgcomment_name nvarchar(255) NOT NULL CONSTRAINT FK_imgcomment_name FOREIGN KEY REFERENCES /*_*/image(img_name) ON DELETE CASCADE,
  28   imgcomment_description_id bigint NOT NULL CONSTRAINT FK_imgcomment_description_id FOREIGN KEY REFERENCES /*_*/comment(comment_id),
  29   CONSTRAINT PK_image_comment_temp PRIMARY KEY (imgcomment_name, imgcomment_description_id)
  30 );
  31 CREATE UNIQUE INDEX /*i*/imgcomment_name ON /*_*/image_comment_temp (imgcomment_name);
  32
  33
  34 ALTER TABLE /*_*/revision ADD CONSTRAINT DF_rev_comment DEFAULT '' FOR rev_comment;
  35
  36 ALTER TABLE /*_*/archive ADD CONSTRAINT DF_ar_comment DEFAULT '' FOR ar_comment;
  37 ALTER TABLE /*_*/archive ADD ar_comment_id bigint NOT NULL CONSTRAINT DF_ar_comment_id DEFAULT 0 CONSTRAINT FK_ar_comment_id FOREIGN KEY REFERENCES /*_*/comment(comment_id);
  38
  39 ALTER TABLE /*_*/ipblocks ADD CONSTRAINT DF_ipb_reason DEFAULT '' FOR ipb_reason;
  40 ALTER TABLE /*_*/ipblocks ADD ipb_reason_id bigint NOT NULL CONSTRAINT DF_ipb_reason_id DEFAULT 0 CONSTRAINT FK_ipb_reason_id FOREIGN KEY REFERENCES /*_*/comment(comment_id);
  41
  42 ALTER TABLE /*_*/image ADD CONSTRAINT DF_img_description DEFAULT '' FOR img_description;
  43
  44 ALTER TABLE /*_*/oldimage ADD CONSTRAINT DF_oi_description DEFAULT '' FOR oi_description;
  45 ALTER TABLE /*_*/oldimage ADD oi_description_id bigint NOT NULL CONSTRAINT DF_oi_description_id DEFAULT 0 CONSTRAINT FK_oi_description_id FOREIGN KEY REFERENCES /*_*/comment(comment_id);
  46
  47 ALTER TABLE /*_*/filearchive ADD CONSTRAINT DF_fa_deleted_reason DEFAULT '' FOR fa_deleted_reason;
  48 ALTER TABLE /*_*/filearchive ADD fa_deleted_reason_id bigint NOT NULL CONSTRAINT DF_fa_deleted_reason_id DEFAULT 0 CONSTRAINT FK_fa_deleted_reason_id FOREIGN KEY REFERENCES /*_*/comment(comment_id);
  49 ALTER TABLE /*_*/filearchive ADD CONSTRAINT DF_fa_description DEFAULT '' FOR fa_description;
  50 ALTER TABLE /*_*/filearchive ADD fa_description_id bigint NOT NULL CONSTRAINT DF_fa_description_id DEFAULT 0 CONSTRAINT FK_fa_description_id FOREIGN KEY REFERENCES /*_*/comment(comment_id);
  51
  52 ALTER TABLE /*_*/recentchanges ADD rc_comment_id bigint NOT NULL CONSTRAINT DF_rc_comment_id DEFAULT 0 CONSTRAINT FK_rc_comment_id FOREIGN KEY REFERENCES /*_*/comment(comment_id);
  53
  54 ALTER TABLE /*_*/logging ADD log_comment_id bigint NOT NULL CONSTRAINT DF_log_comment_id DEFAULT 0 CONSTRAINT FK_log_comment_id FOREIGN KEY REFERENCES /*_*/comment(comment_id);
  55
  56 ALTER TABLE /*_*/protected_titles ADD CONSTRAINT DF_pt_reason DEFAULT '' FOR pt_reason;
  57 ALTER TABLE /*_*/protected_titles ADD pt_reason_id bigint NOT NULL CONSTRAINT DF_pt_reason_id DEFAULT 0 CONSTRAINT FK_pt_reason_id FOREIGN KEY REFERENCES /*_*/comment(comment_id);