Re: Converting char to varchar automatically - Mailing list pgsql-general

>SELECT 'ALTER TABLE ' || quote_ident(n.nspname) || '.' ||  quote_ident(c.relname)
>       || ' ALTER COLUMN ' || quote_ident(a.attname) || ' TYPE varchar;'
>  FROM pg_class c
>  JOIN pg_namespace n ON n.oid = c.relnamespace
>  JOIN pg_attribute a ON a.attrelid = c.oid
>  JOIN pg_type t ON t.oid = a.atttypid
> WHERE t.typname = 'char'
>   AND n.nspname <> 'pg_catalog';

It does not return any data.

 

Andrus.