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Nikita Timofeev commented on CAY-2231: -------------------------------------- And old math expressions (like add, bitwise ops) should support collections too. > Support for collections in new functional expressions > ----------------------------------------------------- > > Key: CAY-2231 > URL: https://issues.apache.org/jira/browse/CAY-2231 > Project: Cayenne > Issue Type: Bug > Components: Core Library > Reporter: Nikita Timofeev > Assignee: Nikita Timofeev > Fix For: 4.0.M5 > > > New functional expressions doesn't work with ToMany collections. > For example this will fail with ExpressionException: > {code} > Expression exp = Artist.PAINTING_ARRAY > .dot(Painting.PAINTING_TITLE) > .substring(1, 1) > .getExpression(); > > Artist artist = ObjectSelect.query(Artist.class) > .orderBy("db:ARTIST_ID") > .selectFirst(context); > Object res = exp.evaluate(artist); > {code} -- This message was sent by Atlassian JIRA (v6.3.15#6346)