The following bug has been logged on the website:
Bug reference: 9759
Logged by: digoal.zhou
Email address: digoal(at)126(dot)com
PostgreSQL version: 9.2.4
Operating system: CentOS 5.x x64
Description:
whe I use SQL "alter table ... alter column ... type varchar;" extend some
varchar(n) columns to varchar, and then i select the table , it's raise
58P01 error, and i use select relname from pg_class where
pg_relation_filepath(oid)='$the_filenode', the relname is index on the
table.
but this query plan is SeqScan, and one:
why index filenode is disappear?
two:
why i not use index scan also raise the index not open, in plan parse need
open the index file?
This error is not raise all tables.