cloud-fan commented on a change in pull request #34852:
URL: https://github.com/apache/spark/pull/34852#discussion_r767428916
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/misc.scala
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@@ -314,16 +314,16 @@ case class CurrentUser() extends LeafExpression with
Unevaluable {
@ExpressionDescription(
usage = """
_FUNC_(expr, key[, mode[, padding]]) - Returns an encrypted value of
`expr` using AES in given `mode` with the specified `padding`.
- Key lengths of 16, 24 and 32 bits are supported.
+ Key lengths of 16, 24 and 32 bits are supported. Supported combinations
of (`mode`, `padding`) are ('ECB', 'PKCS') and ('GCM', 'NONE').
""",
arguments = """
Arguments:
* expr - The binary value to encrypt.
* key - The passphrase to use to encrypt the data.
* mode - Specifies which block cipher mode should be used to encrypt
messages.
- Supported modes: ECB.
+ Supported modes: ECB, GCM.
Review comment:
+1
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