Re: xpath processing brain dead - Mailing list pgsql-hackers

From Andrew Dunstan
Subject Re: xpath processing brain dead
Date
Msg-id 49A6E0C0.8050307@dunslane.net
Whole thread Raw
In response to Re: xpath processing brain dead  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: xpath processing brain dead  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers

Tom Lane wrote:
> Andrew Dunstan <andrew@dunslane.net> writes:
>   
>> Tom Lane wrote:
>>     
>>> I'm okay with removing this for 8.4, but I think it's too late to
>>> change the behavior of 8.3.
>>>       
>
>   
>> It's never too late to fix a bug.
>>     
>
> When the proposed fix involves breaking cases that used to behave
> usefully, you need a much stronger argument than that.
>   


What I have proposed for 8.3 should not break a single case that 
currently behaves usefully. If anyone has a counter-example please show it.

What I have proposed for 8.4 possibly would break current "useful" 
behaviour (FSVO "useful"), but should be done anyway on correctness grounds.


cheers

andrew




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