Re: PATCH: Debugger Redesign

From: Ashesh Vashi <ashesh(dot)vashi(at)enterprisedb(dot)com>
To: Dave Page <dpage(at)pgadmin(dot)org>
Cc: pgadmin-hackers <pgadmin-hackers(at)postgresql(dot)org>
Subject: Re: PATCH: Debugger Redesign
Date: 2013-06-20 19:39:54
Message-ID: CAG7mmox0LY-1y0Roaf-WpX5JeiE8djTyx85iQx3Z=3GY8TB=qA@mail.gmail.com
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Here is one more patch.
This patch includes modification related to replacing the progress dialog
with a progress bar in the statusbar.

On Thu, Jun 20, 2013 at 7:13 PM, Dave Page <dpage(at)pgadmin(dot)org> wrote:

> 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
>

--
--

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>

Attachment Content-Type Size
debugger_progress_bar.patch application/octet-stream 13.7 KB

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