[MM-45868] Add teamId to Threads table (#20915)

* Add teamId to Threads table

* Get rid of multiple teamId reads

* Fix failed test

* Add teamId to standard queries

* Fix linter

* Get teamId from db

db/migrations/migrations.list

@@ -186,6 +186,8 @@ db/migrations/mysql/000092_add_createat_to_teammembers.down.sql
 db/migrations/mysql/000092_add_createat_to_teammembers.up.sql
 db/migrations/mysql/000093_notify_admin.down.sql
 db/migrations/mysql/000093_notify_admin.up.sql
+db/migrations/mysql/000094_threads_teamid.down.sql
+db/migrations/mysql/000094_threads_teamid.up.sql
 db/migrations/postgres/000001_create_teams.down.sql
 db/migrations/postgres/000001_create_teams.up.sql
 db/migrations/postgres/000002_create_team_members.down.sql
@@ -372,3 +374,5 @@ db/migrations/postgres/000092_add_createat_to_teamembers.down.sql
 db/migrations/postgres/000092_add_createat_to_teamembers.up.sql
 db/migrations/postgres/000093_notify_admin.down.sql
 db/migrations/postgres/000093_notify_admin.up.sql
+db/migrations/postgres/000094_threads_teamid.down.sql
+db/migrations/postgres/000094_threads_teamid.up.sql

db/migrations/mysql/000094_threads_teamid.down.sql

@@ -0,0 +1,14 @@
+SET @preparedStatement = (SELECT IF(
+    EXISTS(
+        SELECT 1 FROM INFORMATION_SCHEMA.STATISTICS
+        WHERE table_name = 'Threads'
+        AND table_schema = DATABASE()
+        AND column_name = 'TeamId'
+    ),
+    'ALTER TABLE Threads DROP COLUMN TeamId;',
+    'SELECT 1;'
+));
+
+PREPARE removeColumnIfExists FROM @preparedStatement;
+EXECUTE removeColumnIfExists;
+DEALLOCATE PREPARE removeColumnIfExists;

db/migrations/mysql/000094_threads_teamid.up.sql

@@ -0,0 +1,19 @@
+SET @preparedStatement = (SELECT IF(
+    NOT EXISTS(
+        SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
+        WHERE table_name = 'Threads'
+        AND table_schema = DATABASE()
+        AND column_name = 'TeamId'
+    ),
+    'ALTER TABLE Threads ADD COLUMN TeamId varchar(26) DEFAULT NULL;',
+    'SELECT 1;'
+));
+
+PREPARE addColumnIfNotExists FROM @preparedStatement;
+EXECUTE addColumnIfNotExists;
+DEALLOCATE PREPARE addColumnIfNotExists;
+
+UPDATE Threads, Channels
+SET Threads.TeamId = Channels.TeamId
+WHERE Channels.Id = Threads.ChannelId
+AND Threads.TeamId IS NULL;

db/migrations/postgres/000094_threads_teamid.down.sql

@@ -0,0 +1 @@
+ALTER TABLE threads DROP COLUMN IF EXISTS teamid;

db/migrations/postgres/000094_threads_teamid.up.sql

@@ -0,0 +1,2 @@
+ALTER TABLE threads ADD COLUMN IF NOT EXISTS teamid VARCHAR(26);
+UPDATE threads SET teamid = channels.teamid FROM channels WHERE threads.teamid IS NULL AND channels.id = threads.channelid;