Horton

Re: UNNEST result order vs Array data

gmb <gmbouwer@gmail.com>

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From: gmb <gmbouwer@gmail.com>
To: pgsql-sql@postgresql.org
Date: 2013-06-20T12:13:14Z
Lists: pgsql-sql 
>> An array is ordered. If you turn it into a relation then it isn't 
>> ordered any more until you apply ORDER BY.
>>
>> An unnest() will almost certainly scan the array in-order, but once you 
>> embed that in a large query the ordering is no longer guaranteed.

Thanks, I assumed as much. Appreciate your help.




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