Welcome
>
> Yes, unless you also TRUNCATE the table, because attnum ordering tells
> about the physical data layout within the table rows. Furthermore,
> altering only pg_attribute is unlikely to represent a complete update
> of the catalogs --- attnums also show up in pg_index, pg_attrdef,
> pg_depend, pg_rewrite if there are any rules or views mentioning the
> columns, and probably some other places I forgot.
>
Now understand
Thanks a lot
> regards, tom lane
Best Regards
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Grzegorz Przeździecki
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