caicancai commented on code in PR #3839:
URL: https://github.com/apache/calcite/pull/3839#discussion_r1669546075
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core/src/main/java/org/apache/calcite/sql/fun/SqlLibraryOperators.java:
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@@ -2237,13 +2237,21 @@ private static RelDataType
deriveTypeMapFromEntries(SqlOperatorBinding opBinding
OperandTypes.NUMERIC_OPTIONAL_NUMERIC,
SqlFunctionCategory.NUMERIC);
- /** The "LOG(numeric, numeric1)" function. Returns the base numeric1
logarithm of numeric. */
+ /** The "LOG(numeric[,numeric1])" function. Returns the base numeric1
logarithm of numeric. */
@LibraryOperator(libraries = {MYSQL, SPARK})
public static final SqlFunction LOG_MYSQL =
SqlBasicFunction.create(SqlKind.LOG,
ReturnTypes.DOUBLE_FORCE_NULLABLE,
OperandTypes.NUMERIC_OPTIONAL_NUMERIC);
+ /** The "LOG(numeric[,numeric1])" function. Returns the base numeric1
logarithm of numeric. */
Review Comment:
I modified it according to the official MySQL
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