Re: WIP: hooking parser

2009/2/18 Peter Eisentraut <peter_e@gmx.net>:
> Pavel Stehule wrote:
>>
>> 2009/2/16 Tom Lane <tgl@sss.pgh.pa.us>:
>>>
>>> Pavel Stehule <pavel.stehule@gmail.com> writes:
>>>>
>>>> Next sample of parser hook using:
>>>> attachment contains module that transform every empty string to null.
>>>> I am not sure, if this behave is exactly compatible with Oracle,
>>>
>>> Surely a parser hook like this would have nothing whatsoever to do
>>> with Oracle's behavior.
>>>
>>>                       regards, tom lane
>>>
>>
>> it's maybe too much simple :). It is sample that have to show possibility.
>
> I'd be quite interested to support some kind of hook to deal with this
> Oracle null issue.  It would be a great help for porting projects.
>
> However, doing this properly is probably more complex and needs further
> thought.  I'd suggest writing a type of regression test first for Oracle
> null behavior and then evaluating any kind of hook or hack against that

+ 1
regards
Pavel