Hello Vlad,
13.09.2021 11:43, Thomas Steinmaurer wrote:
Hello,
congratulations to the Firebird 4 release!
How do I best find out what has been changed in the area of MON$
tables and especially Firebird Trace API.
MON$ tables get a bit of mentioning in the Release Notes, e.g. what
fields have been added etc. resp. I could extract the DDL for all
MON$ tables and textually compare it the output for Firebird 3 MON$
tables.
What might have been added in the Firebird 4 Trace API interesting
for our FB TraceManager product? Any new trace event types (aka
EXECUTE_STATEMENT_FINISH etc ...). Would thi be covered in the
Release Notes?
Sure. There was not mush changes in Trace visible to the end users:
- new system privilege to trace attachments of other users
- session management statements now traced
- trace record for COMMIT/ROLLBACK RETAINING was extended to show
old/new transaction IDs
Some other features that developed before release was backported into
v3 so it is not new in v4.
And, of course, some bugs was fixed.
Many thanks. This helps.
It seems MON$ tables are now using the timestamp with time zone data type.
To do a simple "SELECT * ..." query on e.g. MON$DATABASE, I guess either
the client library needs to support the new data type or I need to
explicitly CAST to TIMESTAMP each affected column, right?
Thanks,
Thomas
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