[jboss-jira] [JBoss JIRA] (DROOLS-1558) DMN case where list of single element shall be considered a singleton value

[Matteo Mortari (JIRA)]

     [ https://issues.jboss.org/browse/DROOLS-1558?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matteo Mortari updated DROOLS-1558:
-----------------------------------
    Description: 
In the attached model decision "Positions of Los Angeles teams" is wrong:

{code:java}
index of(NBA Pacific[city="Los Angeles"])
{code}

As the "index of" function expects 2 parameters.

It could be rewritten as:

{code:java}
index of(NBA Pacific.city, "Los Angeles")
{code}

which would work, but there is an expectations it should also work with:

{code:java}
index of( NBA Pacific, NBA Pacific[city="Los Angeles"])
{code}

under the assumption there is only 1 team located in LA, so {{NBA Pacific[city="Los Angeles"]}} is a List of only 1 element, the team located in LA.

  was:
In the attached model decision "Positions of Los Angeles teams" is wrong:

{code:java}
index of(NBA Pacific[city="Los Angeles"])
{code}

As the "index of" function expects 2 parameters.

It could be rewritten as:

{code:java}
index of(NBA Pacific.city, "Los Angeles")
{code}

which would work, but there is an expectations it should also work with:

{code:java}
index of( NBA Pacific, NBA Pacific[city="Los Angeles"])
{code}

under the assumption there is only 1 team located in LA.



> DMN case where list of single element shall be considered a singleton value
> ---------------------------------------------------------------------------
>
>                 Key: DROOLS-1558
>                 URL: https://issues.jboss.org/browse/DROOLS-1558
>             Project: Drools
>          Issue Type: Bug
>          Components: dmn engine
>    Affects Versions: 7.0.0.CR3
>            Reporter: Matteo Mortari
>            Assignee: Matteo Mortari
>             Fix For: 7.1.0.Final
>
>         Attachments: Ex_6_1.dmn
>
>
> In the attached model decision "Positions of Los Angeles teams" is wrong:
> {code:java}
> index of(NBA Pacific[city="Los Angeles"])
> {code}
> As the "index of" function expects 2 parameters.
> It could be rewritten as:
> {code:java}
> index of(NBA Pacific.city, "Los Angeles")
> {code}
> which would work, but there is an expectations it should also work with:
> {code:java}
> index of( NBA Pacific, NBA Pacific[city="Los Angeles"])
> {code}
> under the assumption there is only 1 team located in LA, so {{NBA Pacific[city="Los Angeles"]}} is a List of only 1 element, the team located in LA.



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