# File lib/dbd/pg/database.rb, line 109
    def tables
        stmt = execute("SELECT c.relname FROM pg_catalog.pg_class c WHERE c.relkind IN ('r','v') and pg_catalog.pg_table_is_visible(c.oid)")
        res = stmt.fetch_all.collect {|row| row[0]} 
        stmt.finish
        res
    end