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https://issues.apache.org/jira/browse/FLINK-19587?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17212879#comment-17212879
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hailong wang commented on FLINK-19587:
--------------------------------------
Yes [~jark] , Thank you for assigning to me.
> Error result when casting binary type as varchar
> ------------------------------------------------
>
> Key: FLINK-19587
> URL: https://issues.apache.org/jira/browse/FLINK-19587
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.11.0
> Reporter: hailong wang
> Priority: Major
> Fix For: 1.11.0, 1.12.0
>
>
> The result is error when casting binary type as varchar type.
> For example,
> {code:java}
> @Test
> def testCast1(): Unit = {
> testSqlApi(
> "CAST(X'68656c6c6f' as varchar)",
> "hello")
> }
> {code}
> The result is
> {code:java}
> Expected :hello
> Actual :[B@57fae983
> {code}
> It is right as follow,
> {code:java}
> @Test
> def testCast(): Unit = {
> testSqlApi(
> "CAST(CAST(X'68656c6c6f' as varbinary) as varchar)",
> "hello")
> }
> {code}
> We just need to change
> {code:java}
> case (VARBINARY, VARCHAR | CHAR){code}
> to
> {code:java}
> case (BINARY | VARBINARY, VARCHAR | CHAR)
> {code}
> in ScalarOperatorGens#generateCast.
>
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