Skip site navigation (1) Skip section navigation (2)

Visual Explain

From: Jeff <threshar(at)torgo(dot)978(dot)org>
To: Postgres Performance <pgsql-performance(at)postgresql(dot)org>
Subject: Visual Explain
Date: 2004-06-16 14:01:32
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-generalpgsql-performance
I've known about this tool for a while, but it seems many people do not 
know of its existence and I think it would be useful to a lot of people 
who have a hard time reading explain analyze output. (And even those 
who can read them without blinking.. when you get deep in join hell it 
gets tricky!)

Red Hat Visual Explain - part of Red Hat Database.

It is what the name implies - a graphical (java) program to draw a 
picture of your query plan (along with all the juicy information 
explain analyze provides).   I just tried it out today and after 
upgrading my JDBC to 7.4 it worked fine (If you get a message about SET 
AUTOCOMMIT then you need to upgrade your jdbc jar)

Quite handy for getting a grasp on stupidly large query plans.

I used the CVS version, I have no idea how well the "official" releases 
Anyone else using it?

Jeff Trout <jeff(at)jefftrout(dot)com>


pgsql-performance by date

Next:From: BillDate: 2004-06-16 19:15:27
Subject: Basic Postgresql Performance Question
Previous:From: Frank van VugtDate: 2004-06-16 08:42:10
Subject: Re: why is a constraint not 'pushed down' into a subselect when this subselect is using a 'group by' ??

pgsql-general by date

Next:From: Jean-Luc LachanceDate: 2004-06-16 14:14:14
Subject: Re: How to delete the not DISTINCT ON entries
Previous:From: Tom LaneDate: 2004-06-16 13:48:42
Subject: Re: 7.4 performance issue

Privacy Policy | About PostgreSQL
Copyright © 1996-2017 The PostgreSQL Global Development Group