Move UserResourceSpecifiedLimitType to upper class

parser/sql/dialect/doris/src/main/java/org/apache/shardingsphere/sql/parser/doris/visitor/statement/type/DorisDCLStatementVisitor.java

@@ -89,7 +89,7 @@
 import org.apache.shardingsphere.sql.parser.doris.visitor.statement.DorisStatementVisitor;
 import org.apache.shardingsphere.sql.parser.statement.core.enums.ACLAttributeType;
 import org.apache.shardingsphere.sql.parser.statement.core.enums.SSLType;
-import org.apache.shardingsphere.sql.parser.statement.core.enums.SSLType.UserResourceSpecifiedLimitType;
+import org.apache.shardingsphere.sql.parser.statement.core.enums.UserResourceSpecifiedLimitType;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dcl.PasswordOrLockOptionSegment;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dcl.PrivilegeSegment;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dcl.RoleOrPrivilegeSegment;

parser/sql/dialect/mysql/src/main/java/org/apache/shardingsphere/sql/parser/mysql/visitor/statement/type/MySQLDCLStatementVisitor.java

@@ -89,7 +89,7 @@
 import org.apache.shardingsphere.sql.parser.mysql.visitor.statement.MySQLStatementVisitor;
 import org.apache.shardingsphere.sql.parser.statement.core.enums.ACLAttributeType;
 import org.apache.shardingsphere.sql.parser.statement.core.enums.SSLType;
-import org.apache.shardingsphere.sql.parser.statement.core.enums.SSLType.UserResourceSpecifiedLimitType;
+import org.apache.shardingsphere.sql.parser.statement.core.enums.UserResourceSpecifiedLimitType;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dcl.PasswordOrLockOptionSegment;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dcl.PrivilegeSegment;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dcl.RoleOrPrivilegeSegment;

parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/enums/SSLType.java

@@ -22,27 +22,5 @@
  */
 public enum SSLType {
 
-    SPECIFIED,
-
-    NOT_SPECIFIED,
-
-    NONE,
-
-    ANY,
-
-    X509;
-
-    /**
-     * User resource specified limit type.
-     */
-    public enum UserResourceSpecifiedLimitType {
-
-        QUERIES_PER_HOUR,
-
-        UPDATES_PER_HOUR,
-
-        CONNECTIONS_PER_HOUR,
-
-        USER_CONNECTIONS
-    }
+    SPECIFIED, NOT_SPECIFIED, NONE, ANY, X509
 }

parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/enums/UserResourceSpecifiedLimitType.java

@@ -0,0 +1,26 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.shardingsphere.sql.parser.statement.core.enums;
+
+/**
+ * User resource specified limit type.
+ */
+public enum UserResourceSpecifiedLimitType {
+
+    QUERIES_PER_HOUR, UPDATES_PER_HOUR, CONNECTIONS_PER_HOUR, USER_CONNECTIONS
+}

parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/segment/dcl/UserResourceSegment.java

@@ -19,7 +19,7 @@
 
 import lombok.Getter;
 import lombok.Setter;
-import org.apache.shardingsphere.sql.parser.statement.core.enums.SSLType.UserResourceSpecifiedLimitType;
+import org.apache.shardingsphere.sql.parser.statement.core.enums.UserResourceSpecifiedLimitType;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.SQLSegment;
 
 /**

parser/sql/statement/core/src/test/java/org/apache/shardingsphere/sql/parser/statement/core/enums/SequenceFunctionTest.java

@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.shardingsphere.sql.parser.statement.core.enums;
+
+import org.junit.jupiter.api.Test;
+
+import java.util.Optional;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+
+class SequenceFunctionTest {
+
+    @Test
+    void assertValueFromValidValue() {
+        assertThat(SequenceFunction.valueFrom("CURRVAL"), is(Optional.of(SequenceFunction.CURRVAL)));
+        assertThat(SequenceFunction.valueFrom("NEXTVAL"), is(Optional.of(SequenceFunction.NEXTVAL)));
+    }
+
+    @Test
+    void assertValueFromInvalidValue() {
+        assertFalse(SequenceFunction.valueFrom("INVALID").isPresent());
+    }
+}