On Mon, Dec 20, 2010 at 16:48, Magnus Hagander wrote:
> On Thu, Dec 16, 2010 at 17:13, Tom Lane wrote:
>> Magnus Hagander writes:
>>> On Thu, Dec 16, 2010 at 17:07, Tom Lane wrote:
because if you're trying to link against an older libpq, the link will
fail before you ever get to execu
On Thu, Dec 16, 2010 at 17:13, Tom Lane wrote:
> Magnus Hagander writes:
>> On Thu, Dec 16, 2010 at 17:07, Tom Lane wrote:
>>> because if you're trying to link against an older libpq, the link will
>>> fail before you ever get to execute. So let's have a less implausible
>>> use-case please.
>
And it *could* be used in exactly the case you're outlining as long as
you load the function dynamically.
Detecting the presence of a function does not require a version number.
If the symbol is in the library, use it.
The only reason the version number would come into play is if you were
Magnus Hagander writes:
> On Thu, Dec 16, 2010 at 17:07, Tom Lane wrote:
>> because if you're trying to link against an older libpq, the link will
>> fail before you ever get to execute. So let's have a less implausible
>> use-case please.
> Look back at the very start of the thread.
OK, but l
On Thu, Dec 16, 2010 at 17:07, Tom Lane wrote:
> Magnus Hagander writes:
>> But it does outline that fact that it wouldn't suck to have a >function in
>> libpq returning the version so that application can >check this at runtime
>> - clearly it would also be useful when >being linked "through
Magnus Hagander writes:
> But it does outline that fact that it wouldn't suck to have a >function in
> libpq returning the version so that application can >check this at runtime -
> clearly it would also be useful when >being linked "through" something like
> psycopg2.
> Stuck in a local git
Magnus, thats great ! And name PQlibVersion is correct ! Thanks.
2010/12/16 Magnus Hagander
> On Tue, Dec 14, 2010 at 17:56, Massa, Harald Armin wrote:
> >>> My question: Which way is available to query the linked libpq version?
> >
> >> But it does outline that fact that it wouldn't suck to ha
On Tue, Dec 14, 2010 at 17:56, Massa, Harald Armin wrote:
>>> My question: Which way is available to query the linked libpq version?
>
>> But it does outline that fact that it wouldn't suck to have a >function in
>> libpq returning the version so that application can >check this at runtime
>>
