title: Which view has cache_value of sequences?
body: <p>I'm building a query which retrieves a list of sequences on pgsql-9.1.6. Please see my SQL  set below...</p>
  
  <pre><code>mydb=# create sequence seq1 cache 10;
  CREATE SEQUENCE
  mydb=# create sequence seq2 cache 20; 
  CREATE SEQUENCE
  mydb=# \ds
          List of relations
   Schema | Name |   Type   | Owner 
  --------+------+----------+-------
   public | seq1 | sequence | pgdba
   public | seq2 | sequence | pgdba
  (2 rows)
  
  mydb=# \x
  Expanded display is on.
  mydb=# select * from seq1;
  -[ RECORD 1 ]-+--------------------
  sequence_name | seq1
  last_value    | 1
  start_value   | 1
  increment_by  | 1
  max_value     | 9223372036854775807
  min_value     | 1
  cache_value   | 10
  log_cnt       | 0
  is_cycled     | f
  is_called     | f
  
  mydb=# select * from seq2;
  -[ RECORD 1 ]-+--------------------
  sequence_name | seq2
  last_value    | 1
  start_value   | 1
  increment_by  | 1
  max_value     | 9223372036854775807
  min_value     | 1
  cache_value   | 20
  log_cnt       | 0
  is_cycled     | f
  is_called     | f
  
  mydb=# select * from information_schema.sequences;
  -[ RECORD 1 ]-----------+--------------------
  sequence_catalog        | mydb
  sequence_schema         | public
  sequence_name           | seq1
  data_type               | bigint
  numeric_precision       | 64
  numeric_precision_radix | 2
  numeric_scale           | 0
  start_value             | 1
  minimum_value           | 1
  maximum_value           | 9223372036854775807
  increment               | 1
  cycle_option            | NO
  -[ RECORD 2 ]-----------+--------------------
  sequence_catalog        | mydb
  sequence_schema         | public
  sequence_name           | seq2
  data_type               | bigint
  numeric_precision       | 64
  numeric_precision_radix | 2
  numeric_scale           | 0
  start_value             | 1
  minimum_value           | 1
  maximum_value           | 9223372036854775807
  increment               | 1
  cycle_option            | NO
  </code></pre>
  
  <p><strong>information_schema.sequences</strong> has no cache_value. Which view can I join to get <code>cache_value</code> with my sequence list?</p>