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Re: Feature discussion: Should syntax errors abort a transaction?

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On Tue, Jun 19, 2012 at 02:20:57AM -0400, Tom Lane wrote:
> Craig Ringer <craig@xxxxxxxxxxxxxxxxxxxxx> writes:
> > I've been working in psql a lot recently, and have started to wonder why 
> > statements with syntax errors or other problems that render them 
> > unexecutable terminate the transaction.
> 
> Well, the obvious reason is that it's hard to tell what the user meant,
> so bailing is the safest response.
> 
> > I understand why statements that raise errors during their execution 
> > terminate a transaction,
> 
> So you're suggesting that "SELECT 1/0;" should terminate a transaction,
> but "SELECT 1//0;" should not?  How about "ROLBACK;"?  It gets pretty
> squishy pretty fast when you try to decide which sorts of errors are
> more important than others.

+1.  I hate tools that try to read your mind.  They invariably fail
at that.  The current behaviour is 100% correct and unambiguous.

Cheers,
Peter
-- 
http://sjamaan.ath.cx
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"The process of preparing programs for a digital computer
 is especially attractive, not only because it can be economically
 and scientifically rewarding, but also because it can be an aesthetic
 experience much like composing poetry or music."
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