[teiid-issues] [JBoss JIRA] (TEIID-5688) groupby functionality not working with Teiid

[Christoph John (Jira)]

Christoph John created TEIID-5688:
-------------------------------------

             Summary: groupby functionality not working with Teiid
                 Key: TEIID-5688
                 URL: https://issues.jboss.org/browse/TEIID-5688
             Project: Teiid
          Issue Type: Bug
            Reporter: Christoph John
            Assignee: Steven Hawkins


Hello together,
I tried to get the distinct values of a certain column in a mysql table and used the following query 

https://morpheus.fritz.box/odata4/svc/my_nutri_diary/Diary?$select=fkIdProductCode&$apply=groupby((fkIdProductCode))&$format=json

However, it seems the apply=group is ignored from Teiid. I retrieve all records with fkIdProductCode and not just a single one. In the example below the first and last record both have the same fkIdProductCode. I would expect to retrieve just a single result. The result in my example looks as follows:

{
@odata.context: "https://morpheus.fritz.box/odata4/svc/my_nutri_diary/$metadata#Diary(idDiaryEntry,fkIdProductCode)",
value: [
{
@odata.id: "https://morpheus.fritz.box/odata4/svc/my_nutri_diary/Diary(17)",
idDiaryEntry: 17,
fkIdProductCode: 17
},
{
@odata.id: "https://morpheus.fritz.box/odata4/svc/my_nutri_diary/Diary(18)",
idDiaryEntry: 18,
fkIdProductCode: 38
},
{
@odata.id: "https://morpheus.fritz.box/odata4/svc/my_nutri_diary/Diary(19)",
idDiaryEntry: 19,
fkIdProductCode: 482
},
{
@odata.id: "https://morpheus.fritz.box/odata4/svc/my_nutri_diary/Diary(20)",
idDiaryEntry: 20,
fkIdProductCode: 1564
},
{
@odata.id: "https://morpheus.fritz.box/odata4/svc/my_nutri_diary/Diary(21)",
idDiaryEntry: 21,
fkIdProductCode: 17
}
]
}



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