Re: PATCH: SlickGrid integration in query tool (pgAdmin4)

From: Dave Page <dpage(at)pgadmin(dot)org>
To: Murtuza Zabuawala <murtuza(dot)zabuawala(at)enterprisedb(dot)com>
Cc: pgadmin-hackers <pgadmin-hackers(at)postgresql(dot)org>
Subject: Re: PATCH: SlickGrid integration in query tool (pgAdmin4)
Date: 2016-08-18 15:46:05
Message-ID: CA+OCxowSbAsAi0HGv1p9+zez9xNd-i6FW05Y_rCjejQPkJeREQ@mail.gmail.com
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Hi,

On Wed, Aug 17, 2016 at 11:19 AM, Murtuza Zabuawala <
murtuza(dot)zabuawala(at)enterprisedb(dot)com> wrote:

> Hi,
>
> PFA initial patch for SlickGrid integration in query tool.
>

This is looking awesome! I think there are some tweaks to make, but
performance-wise, it's blowing away the old code. My tests show it's even
faster than you're seeing; I'm seeing ~3x performance rendering 21K rows
for example, vs. the first 2K of the same dataset on page 1 with the old
code - plus, the rendered HTML isn't so huge that it slows everything else
down to being unusable!

Can you look at the following issues please?

1) The colour for a selected row should be #eeeeee

2) If there's a horizontal scroll bar (in Chrome on OSX, possibly others),
then it partially eclipses the new blank row in View Data mode. The
vertical scroll needs to have the height of the horizontal scrollbar added.

3) If the window is resized, the grid doesn't redraw to the new size.

4) I cannot leave a Primary Key field blank so that it picks up a default
value (I get "Primary key columns cannot be null.")

5) When editing text fields with multiple lines, the CR/LFs are lost. Do we
need a custom editor for this (textarea?).

6) The tooltips should probably include <pre> tags around the content
otherwise the formatting is messed up and becomes unreadable.

Thanks!

>
> My finding on grid rendering performance with each grid,
> [image: Inline image 1]
> Tested on PG9.5 (sql attached).
>
> Please review.
>
> --
> Regards,
> Murtuza Zabuawala
> EnterpriseDB: http://www.enterprisedb.com
> The Enterprise PostgreSQL Company
>
>
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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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