caicancai commented on code in PR #3711:
URL: https://github.com/apache/calcite/pull/3711#discussion_r1509906770
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core/src/main/java/org/apache/calcite/sql/fun/SqlLibraryOperators.java:
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@@ -2157,6 +2165,23 @@ private static RelDataType
deriveTypeMapFromEntries(SqlOperatorBinding opBinding
OperandTypes.NUMERIC,
SqlFunctionCategory.NUMERIC);
+ /** The "LOG10(numeric)" function. Returns the base 10 logarithm of numeric.
*/
+ @LibraryOperator(libraries = {MYSQL, SPARK})
+ public static final SqlFunction LOG10_MS =
+ SqlBasicFunction.create("LOG10",
+ ReturnTypes.DOUBLE_FORCE_NULLABLE,
+ OperandTypes.NUMERIC,
+ SqlFunctionCategory.NUMERIC);
Review Comment:
The problem I am currently encountering is that
ReturnTypes.DOUBLE_FORCE_NULLABLE of LOG10_MS does not take effect.
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