CREATE TABLE x ( x DEC PRIMARY KEY ) ;

INSERT INTO x ( x ) VALUES ( 1 ) ;

UPDATE x SET x = 1 WHERE ( x BETWEEN 

    ( SELECT x FROM x AS x WHERE CASE WHEN x * ( 

        SELECT x * ( SELECT x FROM ( SELECT x FROM x GROUP BY ( 

            SELECT 1 ORDER BY x , x DESC , x , x IN ( SELECT DISTINCT x FROM x WHERE - 'x' >= x IS NOT NULL = ( 1 < x AND x < 'x' ) ) LIMIT 1 OFFSET 1 ) ) AS x 

            ORDER BY x , x DESC , x , x LIMIT 1 OFFSET 1 ) FROM x GROUP BY 'x' , ( SELECT x ) + ( SELECT ( SELECT x ) AS x FROM x WINDOW x AS ( PARTITION BY x ORDER BY x DESC ) 

            ORDER BY ( SELECT 1 FROM x WHERE x = x ) , ( x AND x IS NULL AND x IN ( 1 , 1 , 1 , 1 , 1 ) ) BETWEEN 1 AND CASE WHEN x = 1 THEN 'x' ELSE x END DESC , x , x ) >= 1 

            WINDOW x AS ( PARTITION BY FALSE ORDER BY x DESC ) ) <= 1 AND x = x THEN 'x' END BETWEEN 1 AND 1 GROUP BY x 

    )AND x )AND x = 1 AND ( x = 1 OR x = 1 ) ORDER BY x + x , x ;

CREATE TABLE x ( x DEC PRIMARY KEY ) ;

INSERT INTO x ( x ) VALUES ( 1 ) ;

UPDATE x SET x = 1 WHERE ( x BETWEEN 

    ( SELECT x FROM x  WHERE  

        ( SELECT ( SELECT x ) AS x FROM x ORDER BY  x BETWEEN 1 AND CASE WHEN x = 1 THEN 'x' ELSE x END , x  )   

    )AND x );