Re: [PATCHES] libpq type system 0.9a - Mailing list pgsql-hackers

From Andrew Dunstan
Subject Re: [PATCHES] libpq type system 0.9a
Date
Msg-id 47FBF1C6.3070507@dunslane.net
Whole thread Raw
In response to Re: [PATCHES] libpq type system 0.9a  (Andrew Chernow <ac@esilo.com>)
Responses Re: [PATCHES] libpq type system 0.9a  (Andrew Chernow <ac@esilo.com>)
List pgsql-hackers

Andrew Chernow wrote:
> Alvaro Herrera wrote:
>> Andrew Chernow wrote:
>>
>>> Forgot to say: There is stuff in PGconn, PGresult, PQclear, 
>>> PQfinish  (maybe a couple other places).
>>
>> Maybe there's a way we can have libpqtypes adding calls into some
>> hypothetical libpq hooks.  So libpqtypes registers its hooks in _init()
>> or some such, and it gets picked up automatically by any app that links
>> to it.
>>
>
> Kinda what my last suggestion was.  Some tid-bits need to be reside in 
> libpq, but very little.  I was thinking PQtypesEnable(bool) which 
> would dlopen libpqtypes and map all functions needed.  This would 
> leave the function bodies of PQputf, PQgetf, PQparamExec, etc... as 
> simple proxy functions to the dynamically loaded functions.  This 
> removes any bloat that people don't like right now but still allows 
> one to use libpq as the primary interface, rather than having to 
> fiddle with libpq and some other API.

Please make sure that any scheme you have along these lines will work on 
Windows DLLs too.

cheers

andrew


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