Re: WIP: hooking parser

Pavel Stehule wrote:
> 2009/2/16 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
>> Pavel Stehule <pavel(dot)stehule(at)gmail(dot)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.