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Error thrown dividing a result from a date using a mathematical field

Status
Open
Subject
Error thrown dividing a result from a date using a mathematical field
Version
20.x
Category
  • Regression
Feature
Trackers
Resolution status
New
Submitted by
Bernard Sfez / Tiki Specialist
Volunteered to solve
Jonny Bradley
Keep informed
Victor Emanouilov
Lastmod by
Bernard Sfez / Tiki Specialist
Rating
(0)
Description

When using a mathematical field I created several times in the past a field to calculate the age of someone using:

(round (div (sub (date) childrenBirthDate) 31536000 ) 1)


In Tiki 20.1 (from Git; no revision number found) it thrown an error:

Divide by zero on "0"

(sub (date) childrenBirthDate)

is not throwing the error.

The error is coming from a test at "lib/core/Math/Formula/Function/Div.php".

Workaround

Do you have relation fields in the same tracker? Or pointing to it? Seems that it tries to run the same formula on other trackers without the references field i think when it's trying to do tracker_refresh_itemslist_detail but i got lost trying to debug it... (hence adding Victor to this wish)

The workaround I did was to add an if around it (which I think is good practice anyway), e.g.

(if childrenBirthDate (round (div (sub (date) childrenBirthDate) 31536000 ) 1))
Importance
5
Easy to solve?
5
Priority
25
Demonstrate Bug
Please demonstrate your bug on show2.tikiwiki.org

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Version: Create show2.tikiwiki.org instance
Ticket ID
7165
Created
Monday 26 August, 2019 15:49:15 GMT-0000
LastModif
Wednesday 30 October, 2019 09:54:27 GMT-0000

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