jbe@440: BEGIN;
jbe@440: 
jbe@440: CREATE OR REPLACE VIEW "liquid_feedback_version" AS
jbe@440:   SELECT * FROM (VALUES ('3.0.4', 3, 0, 4))
jbe@440:   AS "subquery"("string", "major", "minor", "revision");
jbe@440: 
jbe@440: ALTER TABLE "member" ADD COLUMN "authority"       TEXT;
jbe@440: ALTER TABLE "member" ADD COLUMN "authority_uid"   TEXT;
jbe@440: ALTER TABLE "member" ADD COLUMN "authority_login" TEXT;
jbe@440: 
jbe@440: COMMENT ON COLUMN "member"."authority"       IS 'NULL if LiquidFeedback Core is authoritative for the member account; otherwise a string that indicates the source/authority of the external account (e.g. ''LDAP'' for an LDAP account)';
jbe@440: COMMENT ON COLUMN "member"."authority_uid"   IS 'Unique identifier (unique per "authority") that allows to identify an external account (e.g. even if the login name changes)';
jbe@440: COMMENT ON COLUMN "member"."authority_login" IS 'Login name for external accounts (field is not unique!)';
jbe@440: 
jbe@440: ALTER TABLE "member" ADD CONSTRAINT "authority_requires_uid_and_vice_versa" 
jbe@440:   CHECK ("authority" NOTNULL = "authority_uid" NOTNULL);
jbe@440: 
jbe@440: ALTER TABLE "member" ADD CONSTRAINT "authority_uid_unique_per_authority"
jbe@440:   UNIQUE ("authority", "authority_uid");
jbe@440: 
jbe@440: ALTER TABLE "member" ADD CONSTRAINT "authority_login_requires_authority"
jbe@440:   CHECK ("authority" NOTNULL OR "authority_login" ISNULL);
jbe@440: 
jbe@440: CREATE INDEX "member_authority_login_idx" ON "member" ("authority_login");
jbe@440: 
jbe@440: ALTER TABLE "session" ADD COLUMN "authority"       TEXT;
jbe@440: ALTER TABLE "session" ADD COLUMN "authority_uid"   TEXT; 
jbe@440: ALTER TABLE "session" ADD COLUMN "authority_login" TEXT;
jbe@440: 
jbe@440: COMMENT ON COLUMN "session"."authority"         IS 'Temporary store for "member"."authority" during member account creation';
jbe@440: COMMENT ON COLUMN "session"."authority_uid"     IS 'Temporary store for "member"."authority_uid" during member account creation';
jbe@440: COMMENT ON COLUMN "session"."authority_login"   IS 'Temporary store for "member"."authority_login" during member account creation';
jbe@440: 
jbe@440: COMMIT;