CREATE TABLE IF NOT EXISTS teammembers ( teamid VARCHAR(26) NOT NULL, userid VARCHAR(26) NOT NULL, roles VARCHAR(64), deleteat bigint, PRIMARY KEY (teamid, userid) ); CREATE INDEX IF NOT EXISTS idx_teammembers_user_id ON TeamMembers (userid); CREATE INDEX IF NOT EXISTS idx_teammembers_delete_at ON TeamMembers (deleteat); ALTER TABLE teammembers ADD COLUMN IF NOT EXISTS schemeuser boolean; ALTER TABLE teammembers ADD COLUMN IF NOT EXISTS schemeadmin boolean; ALTER TABLE teammembers ADD COLUMN IF NOT EXISTS schemeguest boolean; ALTER TABLE teammembers ADD COLUMN IF NOT EXISTS deleteat bigint; DROP INDEX IF EXISTS idx_teammembers_team_id;