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https://issues.apache.org/jira/browse/SPARK-47307?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kent Yao resolved SPARK-47307.
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Fix Version/s: 4.0.0
Assignee: Zhen Wang
Resolution: Fixed
> Spark 3.3 produces invalid base64
> ---------------------------------
>
> Key: SPARK-47307
> URL: https://issues.apache.org/jira/browse/SPARK-47307
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.3.0, 4.0.0, 3.5.2, 3.4.4
> Reporter: Willi Raschkowski
> Assignee: Zhen Wang
> Priority: Blocker
> Labels: correctness, pull-request-available
> Fix For: 4.0.0
>
>
> SPARK-37820 was introduced in Spark 3.3 and breaks behavior of {{base64}}
> (which is fine but shouldn't happen between minor version).
> {code:title=Spark 3.2}
> >>> spark.sql(f"""SELECT base64('{'a' * 58}') AS base64""").collect()[0][0]
> 'YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYQ=='
> {code}
> Note the different output in Spark 3.3 (the addition of {{\r\n}} newlines).
> {code:title=Spark 3.3}
> >>> spark.sql(f"""SELECT base64('{'a' * 58}') AS base64""").collect()[0][0]
> 'YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFh\r\nYQ=='
> {code}
> The former decodes fine with the {{base64}} on my machine but the latter does
> not:
> {code}
> $ pbpaste | base64 --decode
> aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa%
> $ pbpaste | base64 --decode
> base64: stdin: (null): error decoding base64 input stream
> {code}
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