dhis2-devs team mailing list archive

[Lars Helge Øverland <larshelge@xxxxxxxxx>]

No I am not mixing it up. First of all there is a deliberate decision not to
send zero values to the server due to performance considerations. Data entry
causes the biggest load on the server and zeros typically constitutes 75% of
the data - hence we reduce the load on the server correspondingly. Checking
for what you suggest will require a trip to the server and we loose this
benefit.

Second, the rule now is simple - zero values are saved if significant and
ignored if not. An exception for saying that 0 should delete existing values
are not natural and more confusing. I agree that this stuff is not perfect
but we are making a trade-off here.

Finally, Tri, this behavior is quite crucial and it is not OK to commit
changes without discussing with me, as I have explained 100 times.

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https://bugs.launchpad.net/bugs/717761

Title:
  0 value doesn't delete existing data

Status in DHIS 2 - District Health Information Software:
  Fix Committed

Bug description:
  When entering 0 in a data entry field where a data value already is
  entered, the box turns green, indicating that the value is stored. But
  when "re-visiting" the form the old value is still there. The data
  entry field should be empty!