walterddr commented on a change in pull request #6337: [FLINK-9853] [table] Add
HEX support
URL: https://github.com/apache/flink/pull/6337#discussion_r207662596
##########
File path:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/api/scala/expressionDsl.scala
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@@ -406,6 +406,13 @@ trait ImplicitExpressionOperations {
*/
def bin() = Bin(expr)
+ /**
+ * Returns a string representation of an integer numeric value in hex
format. Returns null if
+ * numeric is null. E.g. "20" leads to "14", "100" leads to "64",
"hello,world" leads to
Review comment:
just remove the `"` if it is numeric
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