CREATE OR REPLACE FUNCTION exec(text) returns text language plpgsql volatile
  AS $f$
    BEGIN
      EXECUTE $1;
      RETURN $1;
    END;
$f$;
\o /dev/null
SELECT exec('drop table if exists foo_'||g.i||'; create table foo_'||g.i||'(id int4);') FROM generate_series(1, 64) g(i);
\o
CHECKPOINT;