Hi!
Thank you.
>This revised query should give you what you need:
>SELECT 'ALTER TABLE ' || quote_ident(n.nspname) || '.'
> || quote_ident(c.relname)
> || ' ALTER COLUMN ' || quote_ident(a.attname) || ' TYPE varchar('
> || i.character_maximum_length || ');'
> 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
> JOIN information_schema.columns i ON (i.table_name = c.relname AND
> i.column_name = a.attname)
>WHERE t.typname = 'bpchar'
> AND c.relkind = 'r'
> AND n.nspname <> 'pg_catalog' and not attisdropped;
How to create single alter table command for every table ?
Can we use string concat aggregate function or window functions or plpgsql or
something other ?
Andrus.
