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https://issues.apache.org/jira/browse/SPARK-28121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16921369#comment-16921369
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daile commented on SPARK-28121:
-------------------------------
i will work on this
> String Functions: decode can not accept 'escape' and 'hex' as charset
> ---------------------------------------------------------------------
>
> Key: SPARK-28121
> URL: https://issues.apache.org/jira/browse/SPARK-28121
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Yuming Wang
> Priority: Major
>
> {noformat}
> postgres=# select decode('1234567890','escape');
> decode
> ------------------------
> \x31323334353637383930
> (1 row)
> {noformat}
> {noformat}
> spark-sql> select decode('1234567890','escape');
> 19/06/20 01:57:33 ERROR SparkSQLDriver: Failed in [select
> decode('1234567890','escape')]
> java.io.UnsupportedEncodingException: escape
> at java.lang.StringCoding.decode(StringCoding.java:190)
> at java.lang.String.<init>(String.java:426)
> at java.lang.String.<init>(String.java:491)
> ...
> spark-sql> select decode('ff','hex');
> 19/08/16 21:44:55 ERROR SparkSQLDriver: Failed in [select decode('ff','hex')]
> java.io.UnsupportedEncodingException: hex
> at java.lang.StringCoding.decode(StringCoding.java:190)
> at java.lang.String.<init>(String.java:426)
> at java.lang.String.<init>(String.java:491)
> {noformat}
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