Subject: Re: Reordering the fields in a table
To: pgsql-admin@lists.postgresql.org
Cc: mike.moening@rtssigns.com
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From: Thomas Kellerer <shammat@gmx.net>
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Date: Sat, 17 Apr 2021 17:29:33 +0200
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mike.moening@rtssigns.com schrieb am 17.04.2021 um 16:32:
> MS SQL Server allows this too.  I do it all the time.

SSMS will do that for you by dropping and re-creating the table (and all r=
elated foreign keys)

But there is no SQL statement to do it.

See e.g. the manual:

https://docs.microsoft.com/en-us/sql/relational-databases/tables/change-co=
lumn-order-in-a-table?view=3Dsql-server-ver15#TsqlProcedure

>  To change the column order
>  This task is not supported using Transact-SQL statements.


> Wells Oliver schrieb am 17.04.2021 um 00:28:
>> If it helps the cause, I would love this too, in addition to having
>> the ability to ALTER TABLE ... ADD COLUMN with the ability to specify
>> where in the column order. This ends up being a bigger frustration for
>> a lot of people than it should be, and maybe it's a touch of OCD, but
>> most RDBMS packages allow this
>
> "Most" seems a bit of a stretch.
> To my knowledge it's only supported in MySQL, Firebird and Informix.
>
> You can't do this in Oracle, SQL Server, DB2, Teradata, Ingres, Vertica =
or SAP Hana.