A bit out of subject, just to complete the discussion because nobody spoke 
about.

The entities are defined with no-auto-stamp="false" by default so it's possible 
to change this default.

Of course 'createdByUserLogin' and 'lastModifiedByUserLogin' fields are not 
concerned, it was just to complete

Jacques


Le 24/04/2019 à 13:36, Rishi Solanki a écrit :
Michael,
Thank you for details, all makes sense.

Best Regards,
--
*Rishi Solanki* | Sr Manager, Enterprise Software Development
HotWax Systems <http://www.hotwaxsystems.com/>
Plot no. 80, Scheme no. 78 Part 2, Near Brilliant Convention Center, Indore,
M.P 452010
Linkedin: *Rishi Solanki*
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Direct: +91-9893287847


On Wed, Apr 24, 2019 at 4:37 PM Michael Brohl <[email protected]>
wrote:

I have not time to elaborate in-depth right now, but just a quick food
for thought:

Having these fields in every entity *by default* allows detailed
tracking of users which might be unwanted. I know that this is a
sensible topic in companies and affects privacy protection.

I am not sure how the selection of entities with these fields was done,
maybe others can add insights.

Regards,

Michael Brohl

ecomify GmbH - www.ecomify.de


Am 24.04.19 um 12:40 schrieb Pierre Smits:
Thanks Michael,

So we should keep those *TxStamp fields.

But what about the second suggestion about having the
'createdByUserLogin'
and 'lastModifiedByUserLogin'  fields added to the internal fields set?

Best regards,

Pierre Smits

*Apache Trafodion <https://trafodion.apache.org>, Vice President*
*Apache Directory <https://directory.apache.org>, PMC Member*
Apache Incubator <https://incubator.apache.org>, committer
*Apache OFBiz <https://ofbiz.apache.org>, contributor (without
privileges)
since 2008*
Apache Steve <https://steve.apache.org>, committer


On Wed, Apr 24, 2019 at 12:20 PM Michael Brohl <[email protected]

wrote:

These fields are not the same, they can differ. The TX fields mark the
transaction timestamp while the non TX fields mark the "real" update
time. You can see it when you watch closely in the database. All changes
made within an transaction have the same tx timestamp.

Regards,

Michael Brohl

ecomify GmbH - www.ecomify.de


Am 24.04.19 um 09:48 schrieb Pierre Smits:
Hi All,

Currently our functions inject following internal fields into the model
of
each entity:

      - createdStamp
      - createdTxStamp
      - lastUpdatedStamp
      - lastUpdatedTxStamp

All of the fields above are of the field type definition 'date-time',
giving for java: java.sql.Timestamp, and for sql: TIMESTAMP. This means
that the createdTxStamp is the same as createdStamp  and
lastUpdatedTxStamp
is the same as lastUpdatedStamp.

Should we get rid of the redundant fields?

Also, a lot of entity definitions in the various models have the
'createdByUserLogin' and 'lastModifiedByUserLogin' added.

Should we have these fields added to the internal fields set so that
these
are always injected into the model of each entity, and always filled?

Best regards,

Pierre Smits

*Apache Trafodion <https://trafodion.apache.org>, Vice President*
*Apache Directory <https://directory.apache.org>, PMC Member*
Apache Incubator <https://incubator.apache.org>, committer
*Apache OFBiz <https://ofbiz.apache.org>, contributor (without
privileges)
since 2008*
Apache Steve <https://steve.apache.org>, committer


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