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Message from discussion Problem with my query that has a join and ordered by a max
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Jeremy Evans  
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 More options Oct 20 2012, 9:52 pm
From: Jeremy Evans <jeremyeva...@gmail.com>
Date: Sat, 20 Oct 2012 18:52:23 -0700 (PDT)
Local: Sat, Oct 20 2012 9:52 pm
Subject: Re: Problem with my query that has a join and ordered by a max
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On Saturday, October 20, 2012 3:44:00 PM UTC-7, desbest wrote:

> I'm having problems with this query, which I've put on Github Gist for
> syntax highlighting so you can see what's going on better.

> What I want to do, is join the groups table to the posts table, which I've
> done. But I only want to retreive the tables that have their pond column,
> being more than 1.

> The link is here.

> https://gist.github.com/3925058

Your first error is "SQLite3::SQLException: no such column:
posts.datenumber", which should be obvious, that column doesn't exist in
that table.  You didn't post the schema for the tables involved in the
query, but if I had to guess, you want groups__datenumber instead of
posts__datenumber.

Your second error is "comparison of Symbol with Integer failed", which is
because you are on ruby 1.9 and Sequel doesn't override the Symbol#>
method. Use a virtual row, switch "exclude(:posts__pond > 0)" to
"exclude{posts__pond > 0}".

Jeremy


 
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