[freetds] TDS and Asynchronous

ZIGLIO, Frediano, VF-IT Frediano.Ziglio at vodafone.com
Mon Oct 3 10:32:39 EDT 2005


> 
> Hi,
>  I was going through TDS documentation, I was looking for 
> answer for the
> question.
>  How is Synchronous, Asynchronous , and Defer asynchronous differ.
>  that is when implementing the tds protocol to communicate 
> with the sybase
> do these make any meaning, say in ct_lib on a connection we 
> can set these
> properties so that we can work on non blocking mode.
>  My question is that TDS has an option on the protocol for 
> this, or its just
> feature given by ct_lib using the tds in regular way.
>  does TDS distinguish between a synchronous call and 
> asynchronous call, say
> if i make a ct_send from c program when the connection is 
> synchronous and if
> i make same ct_send using asynchronous , is there change in the TDS
> exchanged between the sybase and the application.
>  Thanks for any help you will provide
>  Mani

Synchronism is up to the library. For asynchronous library just issue
query and do not wait result.

freddy77


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