text: -- fkey2.test
  -- 
  -- execsql {
  --     CREATE TABLE t1(a, b PRIMARY KEY);
  --     CREATE TABLE t2(
  --       x REFERENCES t1 ON UPDATE RESTRICT DEFERRABLE INITIALLY DEFERRED 
  --     );
  --     INSERT INTO t1 VALUES(1, 'one');
  --     INSERT INTO t1 VALUES(2, 'two');
  --     INSERT INTO t1 VALUES(3, 'three');
  -- }
  CREATE TABLE t1(a, b PRIMARY KEY);
  CREATE TABLE t2(
  x REFERENCES t1 ON UPDATE RESTRICT DEFERRABLE INITIALLY DEFERRED 
  );
  INSERT INTO t1 VALUES(1, 'one');
  INSERT INTO t1 VALUES(2, 'two');
  INSERT INTO t1 VALUES(3, 'three');