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From: Ertan Küçükoðlu <ertan.kucukoglu@1nar.com.tr>
To: pgsql-sql@lists.postgresql.org
Subject: Converting from MySQL
Date: Wed, 23 Jan 2019 00:21:03 +0300
Message-ID: <000101d4b298$61f471d0$25dd5570$@1nar.com.tr> (raw)

Hello,

I am trying to install a mail server using PostgreSQL on a Debian 9 Stretch.
Document I am following is for MySQL. I converted other simple SQL commands.
Failed to find PostgreSQL equivalent for below one because I did not
understand what it does in the first place.

SELECT
CONCAT(SUBSTRING_INDEX(email,'@',-1),'/',SUBSTRING_INDEX(email,'@',1),'/')
FROM users WHERE email='%s'

Any help is appreciated.

Thanks & regards,
Ertan Küçükoðlu

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