Re: PATCH: Debugger Redesign

From: Dave Page <dpage(at)pgadmin(dot)org>
To: Ashesh Vashi <ashesh(dot)vashi(at)enterprisedb(dot)com>
Cc: pgadmin-hackers <pgadmin-hackers(at)postgresql(dot)org>
Subject: Re: PATCH: Debugger Redesign
Date: 2013-06-20 13:43:36
Message-ID: CA+OCxoxPyQSuAqX9jrzKq12jLeUukY0Y1PsGSzJh2rmLRjUD6Q@mail.gmail.com
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Thanks, applied.

On Thu, Jun 20, 2013 at 11:07 AM, Ashesh Vashi <
ashesh(dot)vashi(at)enterprisedb(dot)com> wrote:

> Hi Dave,
>
> Please find the patch to resolve few of the problems with the debuggers
> and introduced during redesigning it.
>
> On Tue, Apr 30, 2013 at 12:56 AM, Ashesh Vashi <
> ashesh(dot)vashi(at)enterprisedb(dot)com> wrote:
>
>> On Tue, Apr 30, 2013 at 12:48 AM, Dave Page <dpage(at)pgadmin(dot)org> wrote:
>>
>>> On Mon, Apr 29, 2013 at 8:10 PM, Ashesh Vashi <
>>> ashesh(dot)vashi(at)enterprisedb(dot)com> wrote:
>>>
>>>> On Mon, Apr 29, 2013 at 10:30 PM, Dave Page <dpage(at)pgadmin(dot)org> wrote:
>>>>
>>>>> Thanks Ashesh - committed (with a few minor tweaks, mostly to
>>>>> messages)! Good work :-)
>>>>>
>>>> Thanks
>>>>
>>>>>
>>>>> I think we have the following issues to discuss and possibly resolve
>>>>> during beta:
>>>>>
>>>>> 1) I find the progress dialogue annoying, and as discussed previously
>>>>> think we should replace it with a progress indicator on the status bar.
>>>>>
>>>> Yeah - I am aware of that.
>>>> I will work on it once I get some time.
>>>>
>>>>>
>>>>> 2) I don't see RAISE DEBUG messages in the server message pane.
>>>>> Perhaps we should explicitly set client_min_messages so the user can see
>>>>> their debug messages?
>>>>>
>>>> Yup
>>>>
>>> Done.
>
>>
>>>>> 3) The stack pane shows functions as
>>>>> "foo(integer)(param_name=1)@<line>". I think perhaps we should change it
>>>>> to: "foo(integer param_name=1)@<line>"
>>>>>
>>>> +1
>>>>
>>>
>>> OK, please make those tweaks when you work on the progress indicator (or
>>> before, if you get a chance).
>>>
>>>
>>>>
>>>>> 4) When in-process debugging, if the calling process is terminated we
>>>>> get a connection lost error (which I special-cased in the code, as it
>>>>> displays an unsightly message from the plugin by default). Instead, I think
>>>>> we should just automatically start listening for another calling process.
>>>>>
>>>> The problem is: this error message is coming from backend (debugger
>>>> plugin).
>>>> And hence, it may require us to make changes in the plugin.
>>>>
>>>
>>> Shouldn't do - don't we just need to reset the breakpoint and wait for
>>> it to be hit again? FYI, the old code does seem to do it successfully,
>>> though it doesn't do a good job of ensuring the dialogues are re-displayed.
>>>
>> It was ignore any error in the debugging connection (even if it is a
>> connection error or something else).
>> I will come up with some other way to figure out the same. (I will also
>> take care of this, when doing the modification for the progress bar. Hope -
>> that's ok with everybody).
>>
> Done.
> Now - we check for the session (backend) on which the target was running,
> if it does not exist, we wait for another session to invoke the target.
>
> Also - resolved couple of other problem related to the debugger:
> - On cancellation of progress dialog, it was not closing the debugger.
> - In direct debugging, the target was invoked without taking care about
> quotes.
>
> This patch also includes couple of other issues introduced by the earlier
> patch.
> 1. Showing the messages multiple times in the message window (Query window)
> 2. Cancellation of query wasn't working on Query window.
>
> Still working on the progress-bar.
>
>>
>>> Thanks!
>>>
>>> --
>>> Dave Page
>>> Blog: http://pgsnake.blogspot.com
>>> Twitter: @pgsnake
>>>
>>> EnterpriseDB UK: http://www.enterprisedb.com
>>> The Enterprise PostgreSQL Company
>>>
>>
>>
>>
>> --
>> --
>>
>> Thanks & Regards,
>>
>> Ashesh Vashi
>> EnterpriseDB INDIA: Enterprise PostgreSQL Company<http://www.enterprisedb.com>
>>
>>
>>
>> *http://www.linkedin.com/in/asheshvashi*<http://www.linkedin.com/in/asheshvashi>
>>
> --
>
> Thanks & Regards,
>
> Ashesh Vashi
> EnterpriseDB INDIA: Enterprise PostgreSQL Company<http://www.enterprisedb.com>
>
>
>
> *http://www.linkedin.com/in/asheshvashi*<http://www.linkedin.com/in/asheshvashi>
>

--
Dave Page
Blog: http://pgsnake.blogspot.com
Twitter: @pgsnake

EnterpriseDB UK: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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