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freetds - Re: [freetds] Problem with message handler

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  • From: "James K. Lowden" <jklowden AT freetds.org>
  • To: freetds AT lists.ibiblio.org
  • Subject: Re: [freetds] Problem with message handler
  • Date: Mon, 16 Sep 2013 18:45:56 -0400

On Mon, 16 Sep 2013 00:50:36 +0000
Chris Kings-Lynne <Chris.Kings-Lynne AT navitas.com> wrote:

>> http://gitorious.org/freetds/freetds/commit/bc22b2ef817fb5d102bd758111ff3634b39a1319

> This change is in dblib.c, and it happens BEFORE it executes the
> user-registered error handler, right? So, as soon as I switch to
> this version of FreeTDS, the bug should just "fix itself" in PHP?

The change on line 98 is a correction. In the event a message is
received with severity > 10, the error handler will now be invoked with
SYBEMSG. Previously -- and contrary to the documentation -- the error
number passed to the error handler was the message number.

The sequence of events is unchanged and should be:

1. application invokes db-lib function
2. message received from server
3. message handler invoked
4. error handler invoked
5. data, if any, receieved from the server
6. db-lib function returns

> This is because it will always pass the SYBESMSG code to the PHP
> handler, hence fixing the error in PHP?

Can't say. Seems like it might.

> Has this commit made it into a release version yet?

No. It should be in the nightly snapshot.

--jkl




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