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Resolved IDE updates Datawindow and PowerServer does not

  1. How-to
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  1. Louis Arena
    Louis Arena
  2. PowerServer
  3. Tuesday, 3 January 2023 16:06 PM UTC

How come the IDE is updating a datawindow correctly but Powerserver is not?  My code is very simplistic.  

I have a window that has 1 DW on it.  I have a button to update the DW and I also show the SQL in the sqlpreview event.  This issue is in both runtime and debug.  But I will explain what happens in debug.

I retrieve the DW.  I enter the sqlpreview event and see the syntax, no issues, for both IDE and Powerserver.

I update a column on the DW.

I accept text

I update the datawindow.  There are no issues in SQLCA. When I am in the IDE, I enter the sqlpreview and see the update command.  In Powerserver, I never enter the sqlpreview.

I have no issues with the update so I issue the commit. 

The data in the database is not updated in Powerserver.  I have deleted all files in my local inetpub and webapi folders and did a full rebuild.  The problem still exists.  Any advice?

Thanks

 

Database Connection - Powerserver Error
command line powerserver webapi build/publish
Responses (4)
Louis Arena
Louis Arena Accepted Answer Pending Moderation
  1. Wednesday, 4 January 2023 22:10 PM UTC
  2. PowerServer
  3. # 1

I was working with Appeon support and I discovered the problem.  My SQL statement has the following for the datetime column

 

CASE WHEN punchclock.out_time IS NULL AND CONVERT(DATE, attendance_day) = CONVERT(DATE, GETDATE())
THEN GETDATE()
ELSE punchclock.out_time END AS out_time,

 

Now the IDE still recognized that out_time is the column in the table punchclock I want to update but PS does not.

 

by changing the sql to just punchclock.out_time it works.  I reported this as a bug because if it works in the IDE it should work here.

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mike S
  1. mike S
  2. Thursday, 5 January 2023 15:10 PM UTC
My bug report:



https://www.appeon.com/standardsupport/track/view?id=9067
  1. Helpful 1
Louis Arena
  1. Louis Arena
  2. Thursday, 5 January 2023 15:11 PM UTC
This is the official work around from Appeon. They are working on a fix. I fixed this, the issue was I figuring out what the problem was. I will upload their fix.
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mike S
  1. mike S
  2. Thursday, 5 January 2023 15:43 PM UTC
I assume you are talking about using the pb.ini fix?

I have to wonder why they took the approach they did to begin with (using placeholder instead of the actual sql).

My guess is that @(_COLUMNS_PLACEHOLDER_) runs faster than using the actual sql, but they never said.
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Louis Arena
Louis Arena Accepted Answer Pending Moderation
  1. Tuesday, 3 January 2023 20:32 PM UTC
  2. PowerServer
  3. # 2

I just did a test.

lt_now = time('15:00')
ldt_temp = datetime(date('12/21/22'),lt_now)
dw_1.object.out_time[2] = ldt_temp

The code above generates a database error on update.  In the dberror event sqldbcode = -1.  sqlsyntax is blank.  sqlerrtext = database error.

 

This code works.

dw_1.object.reason[2] = 'no reason'

So it boils down to PS has an issue with updating datetime columns on a datawindow.  Anyone have a solution or workaround. I did not see anything in the documentation regarding anything unsupported.

 

 

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Chris Pollach @Appeon
  1. Chris Pollach @Appeon
  2. Tuesday, 3 January 2023 20:43 PM UTC
Hi Louis;

What DBMS & version are you using? Also, what DB Client software & settings?

Regards ... Chris
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Louis Arena
Louis Arena Accepted Answer Pending Moderation
  1. Tuesday, 3 January 2023 19:23 PM UTC
  2. PowerServer
  3. # 3

This is all great info.  But I have tracked it down to setting a datetime.  The unsupported documentation does not list anything about this.  But apparently the SetItem and/or Settext is not updating my column in PS and as a result no update statement is being issued.  I am trying to somehow create a work around.

 

 

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Chris Pollach @Appeon
  1. Chris Pollach @Appeon
  2. Tuesday, 3 January 2023 21:06 PM UTC
Weird! :-(

What if you created a new simple test case PS App with a new DWO on the same table that updates those same two columns. Does that work?

  1. Helpful
Louis Arena
  1. Louis Arena
  2. Tuesday, 3 January 2023 21:12 PM UTC
I created a new test window. I took the code from the original DW and created a new tabular DW with no edits or anything. That is what I have been testing on. The punchclock table is being updated using embedded SQL, when a user logs in their record for the day is created. But the updates in a DW do not work.
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Chris Pollach @Appeon
  1. Chris Pollach @Appeon
  2. Tuesday, 3 January 2023 21:19 PM UTC
Thanks for trying that Louis!

I would now suggest (since you have a simple test case), would be to open a Support Ticket for this issue.

In the support ticket, I would include ...

1) Test Case

2) DML to recreate the referenced Table

3) Test data for SS

Then we can delve deeper into this anomaly for you ;-)
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Chris Pollach @Appeon
Chris Pollach @Appeon Accepted Answer Pending Moderation
  1. Tuesday, 3 January 2023 16:54 PM UTC
  2. PowerServer
  3. # 4

Hi Louis;

  The SQL Preview event is not supported in PowerServer 2022 currently.

FYI:  https://docs.appeon.com/ps2022/SQLPreview.html

Note that this event is planned to be supported in PB 2022 release #2 as per the roadmap...

https://www.appeon.com/developers/roadmap

In the meantime, please check the PS log ...

https://docs.appeon.com/ps2022/Logging_with_the_settings_in_Logging.json.html

HTH

Regards ... Chris

 

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Armeen Mazda @Appeon
  1. Armeen Mazda @Appeon
  2. Tuesday, 3 January 2023 17:25 PM UTC
Adding to what Chris said, anytime something works in client/server but not PowerServer most likely it is unsupported feature. So you should carefully review problematic code against the docs: https://docs.appeon.com/ps2022/unsupported_features_guide.html
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