rubenada commented on code in PR #4172:
URL: https://github.com/apache/calcite/pull/4172#discussion_r1932392820
##########
core/src/main/java/org/apache/calcite/sql/fun/SqlLibraryOperators.java:
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@@ -1890,6 +1890,26 @@ private static RelDataType
deriveTypeMapFromEntries(SqlOperatorBinding opBinding
OperandTypes.BINARY,
SqlFunctionCategory.STRING);
+ /**
+ * The "HEX(string)" function; converts {@code string} into a hexadecimal
varchar.
+ */
+ @LibraryOperator(libraries = {HIVE, SPARK})
+ public static final SqlFunction HEX =
+ SqlBasicFunction.create("HEX",
+ ReturnTypes.VARCHAR_NULLABLE,
+ OperandTypes.STRING,
+ SqlFunctionCategory.STRING);
+
+ /**
+ * The "HEX(string)" function; converts {@code string} into a hexadecimal
varchar.
Review Comment:
Wrong javadoc description (copy-paste error from previous method)
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