Re: [pgAdmin4][Patch]: Adding connection status in Query tool - Mailing list pgadmin-hackers

From Harshal Dhumal
Subject Re: [pgAdmin4][Patch]: Adding connection status in Query tool
Date
Msg-id CAFiP3vyGApaJ1cJCR_ShhrBpC5fCcRrE=A68BrY782X60YLmxg@mail.gmail.com
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In response to Re: [pgAdmin4][Patch]: Adding connection status in Query tool  (Murtuza Zabuawala <murtuza.zabuawala@enterprisedb.com>)
Responses Re: [pgAdmin4][Patch]: Adding connection status in Query tool
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Harshal Dhumal
Sr. Software Engineer

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

On Tue, Dec 19, 2017 at 7:47 PM, Murtuza Zabuawala <murtuza.zabuawala@enterprisedb.com> wrote:


On Tue, Dec 19, 2017 at 7:24 PM, Dave Page <dpage@pgadmin.org> wrote:
Hi

Interesting. A few thoughts:

- The pulsating icon is very off-putting. I think we need to make it only flash a couple of times when we actually need to attract the attention of the user. 
​As per my discussion with Chethana, In his opinion user tends to notice things that way more quickly.
Are you sure you wish to flash only couple of times on error?

- We shouldn't really use tooltips like this, as it may confuse folks with screen readers. Should we make the icon clickable (which should have a visual hint)? Maybe a drop-down status panel.
 
​Sure let me check.

- Do we need to poll separately for the status? Instead, why not update it whenever polling for results, or executing something?
​Then user won't be able to know the current connection status prior to query execution, the purpose of the feature is to make user aware of current connection status even if there is no query running, As most user tends to leave open their query tool window after their work it will be useful when flask session gets expired and connection to server gets closed after that.

- Status Ideal and Active can be piggy backed (when we are polling query result).

- In case of connection closed then we are reconnecting seamlessly (as per your last comment on RM2475).
  So letting user know in advance that connection is closed does not provide any benefit.
  Eventually user will look of any reconnect button/option in query tool to reconnect if we tell connection status in advance.

- If flask session expires then (irrespective of connection status) status poll http request will be redirected to login page.
  So we won't get actual connection status in this case.
 

Thanks!

On Tue, Dec 19, 2017 at 11:42 AM, Murtuza Zabuawala <murtuza.zabuawala@enterprisedb.com> wrote:
Hi,

PFA patch to add the connection status in query tool, this feature will allow user to check the database connection status in query tool itself, it will also provide the detailed status as a tooltip when user hovers on it, the most benefit of the feature will be when user open query tool in new Browser Tab where Browser tree is not visible to user, user can also configure the status polling time using preference dialog.
RM#2475

Apart from that I have also removed the ..sqleditor/static/css/sqleditor.css reference from ../datagrid/templates/datagrid/index.html file because we are already bundling the "sqleditor.css" file in main "style.css" file.


Thanks to Chethana for his UI related inputs and to Surinder for helping me on html alignment issues.


--
Regards,
Murtuza Zabuawala
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company




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

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


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