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https://issues.apache.org/jira/browse/FLINK-10174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16607145#comment-16607145
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ASF GitHub Bot commented on FLINK-10174:
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xueyumusic commented on a change in pull request #6579: [FLINK-10174][table]
fix getbytes in hex and toBase64
URL: https://github.com/apache/flink/pull/6579#discussion_r215964734
##########
File path:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/runtime/functions/ScalarFunctions.scala
##########
@@ -221,7 +222,7 @@ object ScalarFunctions {
/**
* Returns the hex string of a string argument.
*/
- def hex(x: String): String = Hex.encodeHexString(x.getBytes).toUpperCase()
+ def hex(x: String): String =
Hex.encodeHexString(x.getBytes(Charsets.UTF_8)).toUpperCase()
Review comment:
Thanks for the suggestion! @twalthr . It looks this place
https://github.com/apache/flink/blob/master/flink-libraries/flink-table/src/main/scala/org/apache/flink/table/codegen/calls/HashCalcCallGen.scala#L71
also used Charsets.UTF_8, maybe could update at the same time.
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> getbytes with no charsets test error for hex and toBase64
> ---------------------------------------------------------
>
> Key: FLINK-10174
> URL: https://issues.apache.org/jira/browse/FLINK-10174
> Project: Flink
> Issue Type: Bug
> Components: Table API & SQL
> Reporter: xueyu
> Assignee: xueyu
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.7.0
>
>
> Hex and toBase64 builtin method use str.getBytes() with no Charset. It maybe
> depend on local execution environment for special Unicode and maybe result in
> errors when test Hex for special Unicode
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