diff --git a/core/src/main/java/org/apache/calcite/adapter/enumerable/RexImpTable.java b/core/src/main/java/org/apache/calcite/adapter/enumerable/RexImpTable.java
index 6a0473037925..d5b008086663 100644
--- a/core/src/main/java/org/apache/calcite/adapter/enumerable/RexImpTable.java
+++ b/core/src/main/java/org/apache/calcite/adapter/enumerable/RexImpTable.java
@@ -211,7 +211,7 @@
 import static org.apache.calcite.sql.fun.SqlLibraryOperators.LOG2;
 import static org.apache.calcite.sql.fun.SqlLibraryOperators.LOGICAL_AND;
 import static org.apache.calcite.sql.fun.SqlLibraryOperators.LOGICAL_OR;
-import static org.apache.calcite.sql.fun.SqlLibraryOperators.LOG_MYSQL_SPARK;
+import static org.apache.calcite.sql.fun.SqlLibraryOperators.LOG_MYSQL;
 import static org.apache.calcite.sql.fun.SqlLibraryOperators.LPAD;
 import static org.apache.calcite.sql.fun.SqlLibraryOperators.MAP;
 import static org.apache.calcite.sql.fun.SqlLibraryOperators.MAP_CONCAT;
@@ -649,10 +649,10 @@ Builder populate() {
       map.put(LOG, logImplementor);
       map.put(LOG10, logImplementor);
 
-      LogImplementor logMysqlSparkImplementor =
-          new LogImplementor(BuiltInMethod.LOG_MYSQL_SPARK.method);
-      map.put(LOG_MYSQL_SPARK, logMysqlSparkImplementor);
-      map.put(LOG2, logMysqlSparkImplementor);
+      LogImplementor logMysqlImplementor =
+          new LogImplementor(BuiltInMethod.LOG_MYSQL.method);
+      map.put(LOG_MYSQL, logMysqlImplementor);
+      map.put(LOG2, logMysqlImplementor);
 
       defineReflective(RAND, BuiltInMethod.RAND.method,
           BuiltInMethod.RAND_SEED.method);
diff --git a/core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java b/core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java
index 23b5c6215031..ec04c8624525 100644
--- a/core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java
+++ b/core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java
@@ -2790,26 +2790,26 @@ public static double log(BigDecimal d0, BigDecimal d1) {
 
   /** SQL {@code LOG(number, number2)} function applied to double values.
    * but return null when number2 is 0. */
-  public static @Nullable Double logMysqlSpark(double number, double number2) {
+  public static @Nullable Double logMysql(double number, double number2) {
     return (number <= 0) ? null : log(number, number2);
   }
 
   /** SQL {@code LOG(number, number2)} function applied to double and BigDecimal values.
    * but return null when number2 is 0. */
-  public static @Nullable Double logMysqlSpark(double number, BigDecimal number2) {
-    return logMysqlSpark(number, number2.doubleValue());
+  public static @Nullable Double logMysql(double number, BigDecimal number2) {
+    return logMysql(number, number2.doubleValue());
   }
 
   /** SQL {@code LOG(number, number2)} function applied to BigDecimal and double values.
    * but return null when number2 is 0. */
-  public static @Nullable Double logMysqlSpark(BigDecimal number, double number2) {
-    return logMysqlSpark(number.doubleValue(), number2);
+  public static @Nullable Double logMysql(BigDecimal number, double number2) {
+    return logMysql(number.doubleValue(), number2);
   }
 
   /** SQL {@code LOG(number, number2)} function applied to double values.
    * but return null when number2 is 0. */
-  public static @Nullable Double logMysqlSpark(BigDecimal number, BigDecimal number2) {
-    return logMysqlSpark(number.doubleValue(), number2.doubleValue());
+  public static @Nullable Double logMysql(BigDecimal number, BigDecimal number2) {
+    return logMysql(number.doubleValue(), number2.doubleValue());
   }
 
   // MOD
diff --git a/core/src/main/java/org/apache/calcite/sql/fun/SqlLibraryOperators.java b/core/src/main/java/org/apache/calcite/sql/fun/SqlLibraryOperators.java
index 5f2b4ddbcc46..91b9e8722148 100644
--- a/core/src/main/java/org/apache/calcite/sql/fun/SqlLibraryOperators.java
+++ b/core/src/main/java/org/apache/calcite/sql/fun/SqlLibraryOperators.java
@@ -2207,7 +2207,7 @@ private static RelDataType deriveTypeMapFromEntries(SqlOperatorBinding opBinding
 
   /** The "LOG(numeric1, numeric2)" function. Returns the base numeric1 logarithm of numeric. */
   @LibraryOperator(libraries = {MYSQL, SPARK})
-  public static final SqlFunction LOG_MYSQL_SPARK =
+  public static final SqlFunction LOG_MYSQL =
       SqlBasicFunction.create("LOG",
           ReturnTypes.DOUBLE_FORCE_NULLABLE,
           OperandTypes.NUMERIC_OPTIONAL_NUMERIC,
diff --git a/core/src/main/java/org/apache/calcite/util/BuiltInMethod.java b/core/src/main/java/org/apache/calcite/util/BuiltInMethod.java
index be357c505e36..53dad1296f5f 100644
--- a/core/src/main/java/org/apache/calcite/util/BuiltInMethod.java
+++ b/core/src/main/java/org/apache/calcite/util/BuiltInMethod.java
@@ -512,7 +512,7 @@ public enum BuiltInMethod {
   SAFE_MULTIPLY(SqlFunctions.class, "safeMultiply", double.class, double.class),
   SAFE_SUBTRACT(SqlFunctions.class, "safeSubtract", double.class, double.class),
   LOG(SqlFunctions.class, "log", long.class, long.class),
-  LOG_MYSQL_SPARK(SqlFunctions.class, "logMysqlSpark", long.class, long.class),
+  LOG_MYSQL(SqlFunctions.class, "logMysql", long.class, long.class),
   SEC(SqlFunctions.class, "sec", double.class),
   SECH(SqlFunctions.class, "sech", double.class),
   SIGN(SqlFunctions.class, "sign", long.class),
diff --git a/testkit/src/main/java/org/apache/calcite/test/SqlOperatorTest.java b/testkit/src/main/java/org/apache/calcite/test/SqlOperatorTest.java
index d72c03e4e2a2..01ff3a35fca6 100644
--- a/testkit/src/main/java/org/apache/calcite/test/SqlOperatorTest.java
+++ b/testkit/src/main/java/org/apache/calcite/test/SqlOperatorTest.java
@@ -6341,11 +6341,11 @@ void checkRegexpExtract(SqlOperatorFixture f0, FunctionAlias functionAlias) {
   /** Test case for
    * <a href="https://issues.apache.org/jira/browse/CALCITE-6325">[CALCITE-6325]
    * Add LOG function (enabled in MYSQL library)</a>. */
-  @Test void testLogMysqlSparkFunc() {
+  @Test void testLogMysqlFunc() {
     final SqlOperatorFixture f0 = fixture();
     f0.checkFails("^log(100, 10)^",
         "No match found for function signature LOG\\(<NUMERIC>, <NUMERIC>\\)", false);
-    f0.setFor(SqlLibraryOperators.LOG_MYSQL_SPARK);
+    f0.setFor(SqlLibraryOperators.LOG_MYSQL);
     final Consumer<SqlOperatorFixture> consumer = f -> {
       f.checkScalarApprox("log(10, 10)", "DOUBLE",
           isWithin(1.0, 0.000001));