FreeTDS Development Group

[Ken Collins <ken AT metaskills.net>]

Konrad,

TinyTDS is not even close to using 10% of one of FreeTDS' apis, specifically 
DBLIB. 
That said, I fail to see how a comment like that is helpful.

I thought I was being very detailed in my questions and looking for 
opportunities where I can learn and help.

On track, I would really appreciate learning which of the paths I outline 
below are available to me from someone more experienced that myself on this 
particular library. 


 - Ken



On Mar 11, 2011, at 12:49 PM, Konrad J Hambrick wrote:

> Hmmm ...
> Looking at the TinyTDS Home Page:
> 
> http://www.metaskills.net/2010/10/18/tinytds-a-modern-simple-and-fast-freetds-library-for-ruby-using-db-library/
> 
> ... TinyTDS is *_NOT_* meant to serve as direct 1:1 mapping of that complex 
> C API (FreeTDS's DB-Library).
> 
> -- kjh
> 
> Ken Collins wrote, On 03/11/2011 06:36 AM:
>> 
>> I appreciate the offer to help, really.
>> 
>> But I think you are assuming that I have the ability to compile against 
>> headers that are not available to me when my native ruby C extensions 
>> compiles on a users machine with FreeTDS installed. Now I could really be 
>> wrong here and that is specifically what I asked help for. So let me be 
>> clear.
>> 
>> I looked thru the FreeTDS code and saw how tsql uses deep internal TDS 
>> code to accomplish a default database. If I was making software for my 
>> local company or some other thing that I controlled I would dive deep into 
>> how tsql does this, write some C, and compile my program against all the 
>> non published headers and get what I need.
>> 
>> I on the other hand have a ruby C extension that compiles against publicly 
>> available headers for a DBLIB api interface to Sybase/SQLServer. As 
>> previously recommended here, my extension compiles against "sybdb.h" and 
>> "sybfront.h". So what I am looking for is one of these two things.
>> 
>> 1) Is there an API that I am missing to get me what I want because dbuse() 
>> is not it.
>> 
>> 2) Is there a way that FreeTDS should be working that is not and how can I 
>> help contribute to the project by attempting a patch. For example in my 
>> last email I stated that it appears that a default database should be 
>> pulled from the freetds.conf when you give it a dataserver name. This is 
>> not happening and would be one solution if (1) above does not exist. From 
>> my perspective, a database pulled from conf may be a bug and again I would 
>> try to help with a patch. But maybe somebody will say otherwise for 
>> historical reasons why the default database is not being pulled from conf.
>> 
>> Do you either see what I am saying or am I missing your point? Are you 
>> telling me that I should perhaps ship my native C extension with private 
>> headers? Are you telling me that in order for me to say TinyTDS can 
>> connect to Azure that I tell all my users that have just installed FreeTDS 
>> that they need to reinstall it in such a way as to made tds.h available to 
>> my C extension when it compiles? Or are you telling me that there is a 
>> function in the DBLIB api that I can use? Or maybe that none of the above 
>> is valid and that I should explore a patch to FreeTDS that would allow the 
>> default database to be pulled from conf? Or something else?
>> 
>> 
>>  - Ken
>> 
>> 
>> 
>> On Mar 11, 2011, at 6:21 AM, Konrad J Hambrick wrote:
>> 
>>> The default DB can be set in the per-user .sqshrc config file.
>>> 
>>> Here's mine:
>>> 
>>> ##################################################
>>> [konrad@kjhlt5 utl]$ cat ~/.sqshrc
>>> 
>>> \set DSQUERY='Win2k3'
>>> \set datetime='%Y-%m-%d %H:%M:%S'
>>> \set date='%Y-%m-%d'
>>> \set time='%H:%M:%S'
>>> \set database='ppdf'
>>> \set username="$TarUser"
>>> \set password="$TarPass"
>>> \set style='bcp'
>>> \set bcp_rowsep=''
>>> \set banner=0
>>> ####################################################
>>> 
>>> I set the Host, Default DB as well as the username and password
>>> in my ~/.sqshrc file.
>>> 
>>> Sounded similar to setting a default DB in freetds.conf.
>>> 
>>> You might also see how it works in the sqsh code.
>>> 
>>> -- kjh
>> 
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