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https://issues.apache.org/jira/browse/SPARK-37507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17465989#comment-17465989
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angerszhu commented on SPARK-37507:
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Checked with [~beliefer] I will take this one.
> Add the TO_BINARY() function
> ----------------------------
>
> Key: SPARK-37507
> URL: https://issues.apache.org/jira/browse/SPARK-37507
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Affects Versions: 3.3.0
> Reporter: Max Gekk
> Priority: Major
>
> to_binary(expr, fmt) is a common function available in many other systems to
> provide a unified entry for string to binary data conversion, where fmt can
> be utf8, base64, hex and base2 (or whatever the reverse operation
> to_char()supports).
> [https://docs.aws.amazon.com/redshift/latest/dg/r_TO_VARBYTE.html]
> [https://docs.snowflake.com/en/sql-reference/functions/to_binary.html]
> [https://cloud.google.com/bigquery/docs/reference/standard-sql/functions-and-operators#format_string_as_bytes]
> [https://docs.teradata.com/r/kmuOwjp1zEYg98JsB8fu_A/etRo5aTAY9n5fUPjxSEynw]
> Related Spark functions: unbase64, unhex
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