Re: Converting char to varchar automatically

Hi!

also, it generates statement which tries to change all columns to one character length columns.

Andrus.

From: Andrus
Sent: Monday, October 06, 2014 8:11 PM
To: Melvin Davidson
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: [GENERAL] Converting char to varchar automatically

Hi!
>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.