Re: Subtract one array from another, both with non-unique elements

From: bricklen <bricklen(at)gmail(dot)com>
To: Alexander Farber <alexander(dot)farber(at)gmail(dot)com>
Cc: pgsql-general <pgsql-general(at)postgresql(dot)org>
Subject: Re: Subtract one array from another, both with non-unique elements
Date: 2016-03-06 17:34:07
Message-ID: CAGrpgQ9qTfKNrHx_atC7ovC7VbZzQVrjdDzHLpYfGpjD+LnDZA@mail.gmail.com
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On Sun, Mar 6, 2016 at 9:22 AM, Alexander Farber <alexander(dot)farber(at)gmail(dot)com
> wrote:

> could someone please recommend the most efficient way subtracting elements
> of one array from the other in PostgreSQL 9.5?
>

There are quite a few examples of array functions at
http://postgres.cz/wiki/Array_based_functions, probably worth having a
look.

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