solomax commented on code in PR #144:
URL: https://github.com/apache/openjpa/pull/144#discussion_r3563129084
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openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/jpql/functions/TestEJBQLFunction.java:
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Review Comment:
I need help on this one as well :( (I'm totally lost in the code :(( )
this simple JPQL is transformed to following SQL: `SELECT
ROUND(CAST((CAST(SUM(t0.age) AS NUMERIC) / ?) AS DOUBLE), CAST(? AS DOUBLE))
FROM CompUser t0`
at `hsqldb`
Which leads to
```
Caused by: org.apache.openjpa.lib.jdbc.ReportingSQLException: incompatible
data type in operation in statement [SELECT ROUND(CAST((CAST(SUM(t0.age) AS
NUMERIC) / ?) AS DOUBLE), CAST(? AS DOUBLE)) FROM CompUser t0] {SELECT
ROUND(CAST((CAST(SUM(t0.age) AS NUMERIC) / ?) AS DOUBLE), CAST(? AS DOUBLE))
FROM CompUser t0} [code=-5563, state=42563]
```
I believe this is because second argument of ROUND should be `INT` (not
`DOUBLE`)
how it can be fixed? :)
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