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DbLink: Embedded SQL and Datawindow, Constructor Question?
  1. How-to
0 Votes
  1. MARKOVIC Marko
  2. PowerBuilder
  3. Thursday, 12 May 2022 01:26 PM UTC

Hi all,

here is the situation: 

Oracle DBs, PB 2017 or PB 2021, Win 10 64 Bit.
On our main window we had tabs with tabpages. On tabpages are some datawindows with SELECTs over DBLinks and in selectionchanged event of tabpages Embedded SQLs over DBLinks.

Behaviour during a maintenance period of one database: The period was overriched and for some unexplained reasons our application couldn't start again and hung on these SELECTs over DBLinks.

At this maintenance moment when we comment these SELECTs over DBLinks, the application run again.

As I remeber well, on construct the datawindows and maybe embedded SQL are checked, is that right? How can I explain what happened since the DbLinks are not responding, a Timeout maybe, when yes how long? How can it be better handled to avoid a hang of the application?

Hope that I exposed the situation and problem good. Need explainations, hints or better implementations guidelines?

 

Thanks in advance.

License for Powerbuilder 21 revoked Are there any other SourceControl connections available for ...
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