"David G. Johnston" <david.g.johns...@gmail.com> writes:
> On Wed, May 25, 2016 at 7:42 PM, David G. Johnston <
> david.g.johns...@gmail.com> wrote:
>> âWhat's the query with the revised parentheses?
> âNever mind...your right I doubt that it should matter.
The parentheses in the original *definitely* matter, because by default
AND binds more tightly than OR. The larger number of rows in the second
query are perfectly plausible given the parenthesis-omission.
regards, tom lane
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