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Re: How can I correctly handle sparse crosstabs?

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On 02/26/2014 07:56 AM, Rob Richardson wrote:
> It seems that crosstab queries assume there is going to be a value
> for every possible row in the source query.  That?s not what I
> have, and I am not getting the result I need.

<snip>

> There is no relation between the value in the column and the tag
> name the value was associated with in the source table.  How can I
> enforce that relationship in a crosstab?  Or am I plain out of
> luck?

Please see:
http://www.postgresql.org/docs/9.3/interactive/tablefunc.html

In particular the examples about 2/3rds down the page.

HTH,

Joe

- -- 
Joe Conway
credativ LLC: http://www.credativ.us
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