Re: Change order of table-columns in pg_catalog.pg_attribute.attnum - Mailing list pgsql-admin

From Erwin Brandstetter
Subject Re: Change order of table-columns in pg_catalog.pg_attribute.attnum
Date
Msg-id 1181143308.525613.238500@q75g2000hsh.googlegroups.com
Whole thread Raw
In response to Re: Change order of table-columns in pg_catalog.pg_attribute.attnum  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: Change order of table-columns in pg_catalog.pg_attribute.attnum  ("Igor Neyman" <ineyman@perceptron.com>)
List pgsql-admin
On Jun 6, 4:59 pm, t...@sss.pgh.pa.us (Tom Lane) wrote:
> Alvaro Herrera <alvhe...@commandprompt.com> writes:
> > Erwin Brandstetter escribi�:
> >> If I want to change the default order of two columns of a table, can I
> >> just manipulate the values in
> >> pg_catalog.pg_attribute.attnum?
> > It works -- as long as the table is empty.
>
> And as long as you have no views, foreign keys, indexes, defaults,
> rules, etc etc etc referencing the columns.
>
> Short answer is don't even think of trying it.

Thanks for your answers.
I had tried it with data in the table and it seemed to work, but it
does mess up views referencing the table. So, no go.

The only way to change the default order of columns is still to drop
the table and all references to it and recreate it all?


Regards
Erwin


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