Julien Le Dem created DRILL-4556: ------------------------------------ Summary: UDF with FieldReader parameter reading union type fails compilation Key: DRILL-4556 URL: https://issues.apache.org/jira/browse/DRILL-4556 Project: Apache Drill Issue Type: Bug Reporter: Julien Le Dem
select foo(a) from mixed where a is a union vector (say mixed is a json file where a is a string or an int) Foo is a UDF that has one param defined as a FieldReader the operator compilation fails as the field is produced as a UnionHolder instead of a FieldReader. -- This message was sent by Atlassian JIRA (v6.3.4#6332)