pg.ddx.io  pgsql-sql@postgresql.org mailing list archive  

help / color / mirror / Atom feed

From: Frank Streitzig <fstreitzig@gmx.net>
To: kimaidou <kimaidou@gmail.com>
Cc: pgsql-sql@lists.postgresql.org
Subject: Re: Count child objects for each line of a table: LEFT JOIN, LATERAL JOIN or subqueries ?
Date: Mon, 23 May 2022 22:39:19 +0200
Message-ID: <Yovw9wcx8n6WqP8v@frastr-dev> (raw)
In-Reply-To: <CAMKXKO67oxVv9mBBEkve9YP7Urv53oFHyWY9qthrmEDCi-5HHA@mail.gmail.com>
References: <CAMKXKO6Sam3WrzCb12yRyW+=OT_7K9zz3MfAQy4PNywuqhkGTQ@mail.gmail.com>
	<YouIuUVD9ivC03pj@frastr-dev>
	<CAMKXKO4xgawFHoVpz6hjeV-uGNf2W0NU90PkVBuCxJDLDUVmWg@mail.gmail.com>
	<CAMKXKO4UoPKACXYVWMxDAn-ZukRVD9S3TV52P93QOYHzC6AqbQ@mail.gmail.com>
	<CAMKXKO56Kc9Y32GEscw4F=mjkB9N3+aO8gVX1w9HmNC9T=1OrA@mail.gmail.com>
	<CAMKXKO67oxVv9mBBEkve9YP7Urv53oFHyWY9qthrmEDCi-5HHA@mail.gmail.com>

Am Mon, May 23, 2022 at 04:33:16PM +0200 schrieb kimaidou:
> Here is the 4th SQL fiddle with your proposal organized with "WITH" clauses
> http://sqlfiddle.com/#!17/fe902/31/0

yes, you can do it like this.

Regards
Frank

view thread (7+ messages)

Message-ID: <Yovw9wcx8n6WqP8v@frastr-dev>
Permalink:  ../Yovw9wcx8n6WqP8v@frastr-dev/
Also on:    postgresql.org/message-id/Yovw9wcx8n6WqP8v@frastr-dev

copy link · copy postgr.es

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-sql@postgresql.org
  Cc: fstreitzig@gmx.net, kimaidou@gmail.com, pgsql-sql@lists.postgresql.org
  Subject: Re: Count child objects for each line of a table: LEFT JOIN, LATERAL JOIN or subqueries ?
  In-Reply-To: <Yovw9wcx8n6WqP8v@frastr-dev>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox