Re: PATCH: Format SQL (external tool)

From: Dave Page <dpage(at)pgadmin(dot)org>
To: "J(dot)F(dot) Oster" <jinfroster(at)mail(dot)ru>
Cc: pgadmin-hackers <pgadmin-hackers(at)postgresql(dot)org>, Ashesh Vashi <ashesh(dot)vashi(at)enterprisedb(dot)com>
Subject: Re: PATCH: Format SQL (external tool)
Date: 2015-07-20 07:51:34
Message-ID: CA+OCxozpRr8MxVothQFYxy6Sg-pYDR2pXGnZPaef84B_qk0nTg@mail.gmail.com
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Have you got this Ashesh?

On Sat, Jul 18, 2015 at 1:06 PM, J.F. Oster <jinfroster(at)mail(dot)ru> wrote:

> Hi All,
>
>
> I haven't received any feedback on last message...
>
> Attaching a new version of patch. Now it reads a value for timeout from
> sysSettings, but I didn't add an input to Options form for reasons
> explained earlier.
>
>
> Please see the attached patch.
>
> Thanks.
>
>
>
>
> Friday, June 26, 2015, 9:48:52 PM, J.F. Oster wrote:
>
>
> >
>
> Hello Ashesh,
>
>
> Sorry for long absense.
>
>
> Are you sure we need that additional option for specifying timeout?
>
> How do you see it placed in the Options dialogue? For me it will look
> somewhat surplus and "overloading" the form.
>
> It will be needed to change extremely rarely. The only true case I can
> imagine is using a wrapper script for online formatting service.
>
> I suggest to provide a value in sysSettings, but keep it hidden. If
> needed, the user will be able to change it by hand. The one who manages to
> use such advanced functionality IS a hacker already :) and won't feel much
> inconvenience anyway.
>
> How do you think?
>
>
> Regarding the events internals - honestly, it's too complicated for me...
>
> The very first version of my code in case of a timeout could lead to
> SEGFAULT somewhere inside wxWidget's event handling internals, with no
> pgAdmin's code in the stack.
>
> After I've changed by guess the AbortProcess() code to it's current look,
> it never broke since that. But I can't tell anymore deeper, sorry... :(
>
>
>
> Wednesday, May 27, 2015, 12:56:25 PM, you wrote:
>
>
> >
>
> On Wed, May 27, 2015 at 3:19 PM, Ashesh Vashi <
> ashesh(dot)vashi(at)enterprisedb(dot)com> wrote:
>
> Hi J. F. Oster,
>
>
> I think - we should give option to the user about wait timeout (which is
> hard-coded to 3 seconds).
>
> It should be asked in the options dialog.
>
> Apart from that - in the AbortProcess function, we're releasing the
> process object.
>
> Does EVT_END_PROCESS event get fired even in case of killing the process
> across all supported platform?
>
> (FYI - I've not tested the code yet.)
>
>
>
> --
>
> Thanks & Regards,
>
>
> Ashesh Vashi
>
> EnterpriseDB INDIA: Enterprise PostgreSQL Company
> <http://www.enterprisedb.com>
>
>
> http://www.linkedin.com/in/asheshvashi
>
>
>
> On Wed, May 27, 2015 at 10:56 AM, Akshay Joshi <
> akshay(dot)joshi(at)enterprisedb(dot)com> wrote:
>
>
>
>
> On Tue, May 26, 2015 at 9:51 PM, J.F. Oster <jinfroster(at)mail(dot)ru> wrote:
>
>
> Hello Akshay,
>
>
> Is there something else to fix?
>
>
> Nothing. Patch looks good to me.
>
>
> JFO> Hi Akshay,
>
>
> JFO> Removed that.
>
>
>
> JFO> Tuesday, May 19, 2015, 10:04:59 AM, you wrote:
>
>
> AJ>> Hi J.F
>
>
> AJ>> The version of fsql you have suggested works for me as well. I
>
> AJ>> have reviewed your patch and it looks good to me. Please remove
>
> AJ>> the commented code (wxString s; //, tmp at line 873 in
> sysSettings.cpp.
>
>
>
> AJ>> On Mon, May 18, 2015 at 10:31 PM, J.F. Oster <jinfroster(at)mail(dot)ru>
> wrote:
>
> AJ>> Hi Akshay,
>
>
> AJ>> fsqlf.exe is the program to use; wx_fsqlf.exe is just a GUI wrapper.
>
>
> AJ>> I've got the latest version (fsqlf.v0.03-292-gd0fd9bf.zip), and it
> really fails to run
>
> AJ>> Please try the previous one, it works for me.
>
> AJ>>
> http://sourceforge.net/projects/fsqlf/files/fsqlf.v0.03/fsqlf.v0.03-141-g94f5a5f.zip.gz/download
>
>
> AJ>> Also please note that fsqlf.exe could fail when run in a path
> containing national characters.
>
>
>
>
> AJ>> Monday, May 18, 2015, 3:42:11 PM, you wrote:
>
>
>
>
>
> AJ>> Hi J.F
>
>
> AJ>> I am reviewing your patch. I have applied the patch and try to
>
> AJ>> test it on Windows 7. Below are the steps that I perform
>
> AJ>> ° Download SQL Formatter from http://fsqlf.sourceforge.net/
>
> AJ>> ° Given the path of fsqlf.exe/wx_fsqlf.exe in File -
>
> AJ>> Options - Query Editor: External formatting utility
>
> AJ>> ° I have opened the query tool and wrote some select query.
>
> AJ>> Please refer the attached screenshot for SQL query.
>
> AJ>> When I have given fsqlf.exe in the path it throws the error ( see
>
> AJ>> attached screenshot) and when I have given wx_fsqlf.exe in the
>
> AJ>> path it always report an error "Formatting command did not respond
>
> AJ>> in 3 seconds" in the status bar.
>
>
> AJ>> I am not sure how to test it properly. Can you please provide some
> steps.
>
>
>
> AJ>> On Mon, May 18, 2015 at 10:10 AM, Akshay Joshi
>
> AJ>> <akshay(dot)joshi(at)enterprisedb(dot)com> wrote:
>
>
> AJ>> Sure.
>
>
>
> AJ>> On Fri, May 15, 2015 at 9:30 PM, Dave Page <dpage(at)pgadmin(dot)org> wrote:
>
>
> AJ>> Akshay, can you take a look please?
>
>
> AJ>> Thanks.
>
>
>
> AJ>> On Fri, May 15, 2015 at 4:53 PM, J.F. Oster <jinfroster(at)mail(dot)ru>
> wrote:
>
> >>> Hello!
>
>
> >>> Please take a look at the patch.
>
> >>> Thanks.
>
>
> >>> Per discussion
>
> >>>
> http://www.postgresql.org/message-id/CAPyomk5NT9Tm-r3wombLzoY60Vqa+QyRDy4u84_2K9UWLbWHTg@mail.gmail.com
>
>
> >>> It's most useful for making readable queries generated by ORMs such as
>
> >>> Hibernate. But in general, external processing can go far beyond
>
> >>> formatting task.
>
>
> >>> I've implemented this feature quick-and-dirty long ago. Finally I made
>
> >>> myself clean it up, now it looks better, so please consider a patch.
>
> >>> Tested on Windows 7 and Ubuntu 14.04.
>
>
> >>> Changes:
>
> >>> * added new setting, ExtFormatCmd, "External formatting utility" in
>
> >>> Options dialogue
>
> >>> * added menu item "Edit - Format - External Format" in
>
> >>> Query editor
>
> >>> * class sysProcess supports UTF-8 and can pass STDIN for a process.
>
>
> >>> Suggested use scenario:
>
> >>> 1. Download and install some SQL formatting utility.
>
> >>> 2. Tell pgAdmin where it resides:
>
> >>> File - Options - Query Editor: External formatting utility.
>
> >>> 3. Open Query editor. Select a text block to format and press
>
> >>> Ctrl-Shift-F. With no selection the whole text gets formatted.
>
> >>> In case of non-zero exit code, STDERR will be shown in status bar.
>
>
> >>> Requirements for external formatting utility:
>
> >>> * Accepts a STDIN stream and writes result to STDOUT
>
> >>> * Finishes in less than 3 seconds
>
> >>> * Exits with code 0 on success
>
> >>> Support for UTF-8 multibyte characters is preferable.
>
>
> >>> To see whether it works well, a test can be done:
>
> >>> C:\> type in.sql |some_formatter >out.sql
>
> >>> C:\> echo %ERRORLEVEL%
>
> >>> or
>
> >>> user(at)linux:~$ cat in.sql |some_formatter >out.sql
>
> >>> user(at)linux:~$ echo $?
>
>
> >>> There are few available utilities depending on platform:
>
> >>> * Free SQL Formatter (Linux, Windows, Mac OS X(?))
>
> >>> http://fsqlf.sourceforge.net/
>
> >>> * Poor Man's T-SQL Formatter (Windows)
>
> >>> http://architectshack.com/PoorMansTSqlFormatter.ashx
>
> >>> Also it is possible to make a wrapper script for numerous online
>
> >>> formatting services, but it's less secure and less reliable.
>
>
> >>> Fsqlf is FOSS and seems promising. I think of extending it for
>
> >>> PosgreSQL-specific SQL syntax and probably even PL/pgSQL.
>
>
>
>
>
>
> --
>
> Best regards,
>
> J.F.
>
>
>
>
>
>
> --
>
>
> Akshay Joshi
>
> Principal Software Engineer
>
>
>
> Phone: +91 20-3058-9517
>
> Mobile: +91 976-788-8246
>
>
>
>
>
> --
>
> Best regards,
>
> J.F.
>
>
>
>
>
> --
>
> Best regards,
>
> J.F.
>
>
> --
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>

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

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

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