List all sequences in a Postgres db 8.1 with SQL

Question

I\'m converting a db from postgres to mysql.

Since i cannot find a tool that does the trick itself, i\'m going to convert all postgres sequences to autoincrement id

Answer 1

Partially tested but looks mostly complete.

select *
  from (select n.nspname,c.relname,
               (select substring(pg_catalog.pg_get_expr(d.adbin, d.adrelid) for 128)
                  from pg_catalog.pg_attrdef d
                 where d.adrelid=a.attrelid
                   and d.adnum=a.attnum
                   and a.atthasdef) as def
          from pg_class c, pg_attribute a, pg_namespace n
         where c.relkind='r'
           and c.oid=a.attrelid
           and n.oid=c.relnamespace
           and a.atthasdef
           and a.atttypid=20) x
 where x.def ~ '^nextval'
 order by nspname,relname;

Credit where credit is due... it's partly reverse engineered from the SQL logged from a \d on a known table that had a sequence. I'm sure it could be cleaner too, but hey, performance wasn't a concern.