[JBoss JIRA] (DROOLS-5280) List Filter expression returning single item and nested within arithmetic expression fails to evaluate
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[
https://issues.redhat.com/browse/DROOLS-5280?page=com.atlassian.jira.plug...
]
Matteo Mortari commented on DROOLS-5280:
----------------------------------------
Side note: the "Add" expression as originally expressed might have worked on our
DMN engine in version v1.2 and priors, because the DMN specification was very vague in the
scenario for which singleton list was to be automatically converted, and we made our
engine very flexible to accomodate several possible cases. However, with DMN v1.3 the DMN
specification clarified explicitly the context were automatic coercion of singleton list
can happen, and our engine with regards to ambiguities follows the latest DMN
specification releases.
List Filter expression returning single item and nested within
arithmetic expression fails to evaluate
------------------------------------------------------------------------------------------------------
Key: DROOLS-5280
URL: https://issues.redhat.com/browse/DROOLS-5280
Project: Drools
Issue Type: Bug
Components: dmn engine
Affects Versions: 7.34.0.Final, 7.36.0.Final
Reporter: Tracy Hires
Assignee: Matteo Mortari
Priority: Major
Attachments: MySpace_Relation.zip, screenshot-1.png, screenshot-2.png,
screenshot-3.png
the expression `addend + listOfStructure[field1="some value"].numberField`,
where `field1="some value"` filters `listOfStructure` to a single item and
`addend` and `numberField` are both non-null numbers, fails to evaluate. It's possible
to work around this by placing `listOfStructure[field1="some value"]` into a
separate decision.
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Matteo Mortari (Jira)