Re: How to set array element to null value - Mailing list pgsql-general

From David Fetter
Subject Re: How to set array element to null value
Date
Msg-id 20180709130105.GK22932@fetter.org
Whole thread Raw
In response to How to set array element to null value  (Brahmam Eswar <brahmam1234@gmail.com>)
List pgsql-general
On Mon, Jul 09, 2018 at 03:28:45PM +0530, Brahmam Eswar wrote:
> I'm trying to reset array element to null.

You can do this in SQL as follows:

SELECT ARRAY(
    SELECT CASE e WHEN 'ABC' THEN NULL ELSE e
    FROM UNNEST(x) _(e)
)

This should really be going to pgsql-general because to is about how
to use PostgreSQL, not how to change PostgreSQL.

Best,
David.
-- 
David Fetter <david(at)fetter(dot)org> http://fetter.org/
Phone: +1 415 235 3778

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