SELECT c.table_schema,
       c.table_name as table,
       c.ordinal_position as order,
       c.column_name as column,
--	 c.data_type as type,
       CASE WHEN c.data_type IN ('character', 'varchar') THEN c.data_type || '(' || c.character_maximum_length || ')'
	    WHEN c.data_type IN ('numeric')		 THEN c.data_type || '(' || c.numeric_precision || ',' || c.numeric_scale || ')'
	    ELSE c.data_type
       END,
--	 c.character_maximum_length as max_len,
       c.is_nullable as null,
       col_description(t.oid, c.ordinal_position)
  FROM information_schema.columns c
  JOIN pg_class t ON (t.relname = c.table_name)
 WHERE table_schema NOT IN ('pg_catalog', 'information_schema')
ORDER BY 1, 2, 3;