Mehant Baid created DRILL-1663:
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Summary: Implicit cast to variable width type does not work in
join conditions
Key: DRILL-1663
URL: https://issues.apache.org/jira/browse/DRILL-1663
Project: Apache Drill
Issue Type: Bug
Reporter: Mehant Baid
Assignee: Mehant Baid
Priority: Minor
Currently if the two sides of a join condition are of different types then we
implicitly add a cast on one side so that the join condition works as expected.
However when we apply a cast to variable width type (varchar or varbinary) we
don't include the length parameter as part of the arguments. This causes the
function resolver to not match against any function implementation and return a
NULL expression.
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