Posted By: Łukasz Bug: Undo make RANDOM changes instead undo - 04/08/24 12:20 PM
From time to time undo make RANDOM changes instead of undo.
For example drop some line instead of undo restoration removed new line.
Making changes in other line.

It not always work the same.

In this file i remove one line on top and change some chars and after that when I undo few time dangerous things happened.

I known that is syntax incorrect example, but I want to undo even with some syntax errors.
In this example it occurs really often, but in syntax correct example it occurs too.

SQL Query
create or replace package test is
  --------------------
   l_test := 0;
  --------------------
begin
  --------------------
  l_test := 1;
  --------------------
  l_test := 2;
  --------------------
end test;
I cannot immediately reproduce this, but we'll investigate. If you find the steps to reproduce this, let me know.
Today on fresh instance of Plyxon with one tab everything works.
I'll keep an eye on it, but I'm afraid this bug might be hard to reproduce. This is a very annoying bug.
I've seen this in Plyxon a few times and it occurs in instances witch worked for a few hours. But even when writing this issue and testing in a "damaged" instance, I was unable to reproduce when exactly it occurs. It appeared average in one on three series of undo.
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