lup wrote
> On 09/19/2013 12:13 AM, Juan Daniel Santana Rodés wrote:
>> Hi my friends...
>> I wrote in the last post a question similiar to this. But in this post
>> I clarify better the previous question.
>> I need know how to evaluated if a query is correct without execute it.
>> When I say if a query is correct, is that if I run the query, it did
>> not throw an exception.
>> For example...
>
> Is this an academic exercise or are you actually planning on checking
> sql then executing it if it's ok (according to your function). I love
> plpgsql but I don't think it's the best option for, just to get started,
> parsing the incoming sql text - that would be one nasty regexp :)
There isn't a need to parse the text; the internal parser will do that for
you - you just need to make sure that the executor never gets ahold of the
resultant execution plan.
David J.
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