Extract ShowCreateUserStatement to reduce duplicate logic for MySQL a…

…nd doris

parser/sql/statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/common/statement/dal/ShowCreateUserStatement.java

@@ -0,0 +1,32 @@
+/*
+ * 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.sql.common.statement.dal;
+
+import lombok.Getter;
+import lombok.Setter;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.AbstractSQLStatement;
+
+/**
+ * Show create user statement.
+ */
+@Getter
+@Setter
+public abstract class ShowCreateUserStatement extends AbstractSQLStatement implements DALStatement {
+
+    private String name;
+}

parser/sql/statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/dialect/statement/doris/dal/DorisShowCreateUserStatement.java

@@ -17,18 +17,11 @@
 
 package org.apache.shardingsphere.sql.parser.sql.dialect.statement.doris.dal;
 
-import lombok.Getter;
-import lombok.Setter;
-import org.apache.shardingsphere.sql.parser.sql.common.statement.AbstractSQLStatement;
-import org.apache.shardingsphere.sql.parser.sql.common.statement.dal.DALStatement;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.dal.ShowCreateUserStatement;
 import org.apache.shardingsphere.sql.parser.sql.dialect.statement.doris.DorisStatement;
 
 /**
  * Doris show create user statement.
  */
-@Getter
-@Setter
-public final class DorisShowCreateUserStatement extends AbstractSQLStatement implements DALStatement, DorisStatement {
-
-    private String name;
+public final class DorisShowCreateUserStatement extends ShowCreateUserStatement implements DorisStatement {
 }

parser/sql/statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/dialect/statement/mysql/dal/MySQLShowCreateUserStatement.java

@@ -17,18 +17,11 @@
 
 package org.apache.shardingsphere.sql.parser.sql.dialect.statement.mysql.dal;
 
-import lombok.Getter;
-import lombok.Setter;
-import org.apache.shardingsphere.sql.parser.sql.common.statement.AbstractSQLStatement;
-import org.apache.shardingsphere.sql.parser.sql.common.statement.dal.DALStatement;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.dal.ShowCreateUserStatement;
 import org.apache.shardingsphere.sql.parser.sql.dialect.statement.mysql.MySQLStatement;
 
 /**
  * MySQL show create user statement.
  */
-@Getter
-@Setter
-public final class MySQLShowCreateUserStatement extends AbstractSQLStatement implements DALStatement, MySQLStatement {
-
-    private String name;
+public final class MySQLShowCreateUserStatement extends ShowCreateUserStatement implements MySQLStatement {
 }

test/it/parser/src/main/java/org/apache/shardingsphere/test/it/sql/parser/internal/asserts/statement/dal/DALStatementAssert.java

@@ -48,9 +48,9 @@
 import org.apache.shardingsphere.sql.parser.sql.common.statement.dal.ShowColumnsStatement;
 import org.apache.shardingsphere.sql.parser.sql.common.statement.dal.ShowCreateTableStatement;
 import org.apache.shardingsphere.sql.parser.sql.common.statement.dal.ShowCreateTriggerStatement;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.dal.ShowCreateUserStatement;
 import org.apache.shardingsphere.sql.parser.sql.common.statement.dal.ShowStatement;
 import org.apache.shardingsphere.sql.parser.sql.dialect.statement.mysql.dal.MySQLFlushStatement;
-import org.apache.shardingsphere.sql.parser.sql.dialect.statement.mysql.dal.MySQLShowCreateUserStatement;
 import org.apache.shardingsphere.sql.parser.sql.dialect.statement.mysql.dal.MySQLShowDatabasesStatement;
 import org.apache.shardingsphere.sql.parser.sql.dialect.statement.mysql.dal.MySQLShowEventsStatement;
 import org.apache.shardingsphere.sql.parser.sql.dialect.statement.mysql.dal.MySQLShowFunctionStatusStatement;
@@ -212,8 +212,8 @@ public static void assertIs(final SQLCaseAssertContext assertContext, final DALS
             ShowCreateTableStatementAssert.assertIs(assertContext, (ShowCreateTableStatement) actual, (ShowCreateTableStatementTestCase) expected);
         } else if (actual instanceof ShowCreateTriggerStatement) {
             ShowCreateTriggerStatementAssert.assertIs(assertContext, (ShowCreateTriggerStatement) actual, (ShowCreateTriggerStatementTestCase) expected);
-        } else if (actual instanceof MySQLShowCreateUserStatement) {
-            ShowCreateUserStatementAssert.assertIs(assertContext, (MySQLShowCreateUserStatement) actual, (ShowCreateUserStatementTestCase) expected);
+        } else if (actual instanceof ShowCreateUserStatement) {
+            ShowCreateUserStatementAssert.assertIs(assertContext, (ShowCreateUserStatement) actual, (ShowCreateUserStatementTestCase) expected);
         } else if (actual instanceof MySQLShowTableStatusStatement) {
             ShowTableStatusStatementAssert.assertIs(assertContext, (MySQLShowTableStatusStatement) actual, (ShowTableStatusStatementTestCase) expected);
         } else if (actual instanceof MySQLShowIndexStatement) {

test/it/parser/src/main/java/org/apache/shardingsphere/test/it/sql/parser/internal/asserts/statement/dal/impl/ShowCreateUserStatementAssert.java

@@ -19,13 +19,13 @@
 
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
-import org.apache.shardingsphere.sql.parser.sql.dialect.statement.mysql.dal.MySQLShowCreateUserStatement;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.dal.ShowCreateUserStatement;
 import org.apache.shardingsphere.test.it.sql.parser.internal.asserts.SQLCaseAssertContext;
 import org.apache.shardingsphere.test.it.sql.parser.internal.cases.parser.jaxb.statement.dal.ShowCreateUserStatementTestCase;
 
 import static org.hamcrest.CoreMatchers.is;
-import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.hamcrest.MatcherAssert.assertThat;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
 
 /**
  * Show create user statement assert.
@@ -40,8 +40,8 @@ public final class ShowCreateUserStatementAssert {
      * @param actual actual show create user statement
      * @param expected expected show create user statement test case
      */
-    public static void assertIs(final SQLCaseAssertContext assertContext, final MySQLShowCreateUserStatement actual, final ShowCreateUserStatementTestCase expected) {
-        assertNotNull(expected.getUser(), "expected show create user should be not null");
-        assertThat(actual.getName(), is(expected.getUser().getName()));
+    public static void assertIs(final SQLCaseAssertContext assertContext, final ShowCreateUserStatement actual, final ShowCreateUserStatementTestCase expected) {
+        assertNotNull(expected.getUser(), assertContext.getText("expected show create user should be not null"));
+        assertThat(assertContext.getText("user name does not match: "), actual.getName(), is(expected.getUser().getName()));
     }
 }