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sha2(expr, bitLength) – Returns a checksum of SHA-2 family as a hex string of `expr`. SHA-224, SHA-256, SHA-384, and SHA-512 are supported. Bit length of 0 is equivalent to 256.
Platforms: WhereOS, Spark, Hive
Class: org.apache.spark.sql.catalyst.expressions.Sha2

More functions can be added to WhereOS via Python or R bindings or as Java & Scala UDF (user-defined function), UDAF (user-defined aggregation function) and UDTF (user-defined table generating function) extensions. Custom libraries can be added on via Settings-page or installed from WhereOS Store.

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