[jira] [Created] (FLINK-15413) ScalarOperatorsTest failed in travis

[Shang Yuanchun (Jira)]

Dian Fu created FLINK-15413:
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             Summary: ScalarOperatorsTest failed in travis
                 Key: FLINK-15413
                 URL: https://issues.apache.org/jira/browse/FLINK-15413
             Project: Flink
          Issue Type: Bug
          Components: Table SQL / Planner
            Reporter: Dian Fu


The travis of release-1.9 nightly failed with the following error:
{code:java}
14:50:19.796 [ERROR] ScalarOperatorsTest>ExpressionTestBase.evaluateExprs:161 Wrong result for: [CASE WHEN (CASE WHEN f2 = 1 THEN CAST('' as INT) ELSE 0 END) is null THEN 'null' ELSE 'not null' END] optimized to: [_UTF-16LE'not null':VARCHAR(8) CHARACTER SET "UTF-16LE"] expected:<n[]ull> but was:<n[ot n]ull>
{code}
instance: [https://api.travis-ci.org/v3/job/629636107/log.txt]



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