[Improvement][Dao] SQL optimization - check exist #5069 (#5070)

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/AlertGroupServiceImpl.java

@@ -21,7 +21,7 @@ import org.apache.dolphinscheduler.api.enums.Status;
 import org.apache.dolphinscheduler.api.service.AlertGroupService;
 import org.apache.dolphinscheduler.api.utils.PageInfo;
 import org.apache.dolphinscheduler.common.Constants;
-import org.apache.dolphinscheduler.common.utils.CollectionUtils;
+import org.apache.dolphinscheduler.common.utils.BooleanUtils;
 import org.apache.dolphinscheduler.common.utils.StringUtils;
 import org.apache.dolphinscheduler.dao.entity.AlertGroup;
 import org.apache.dolphinscheduler.dao.entity.User;
@@ -207,7 +207,6 @@ public class AlertGroupServiceImpl extends BaseServiceImpl implements AlertGroup
      */
     @Override
     public boolean existGroupName(String groupName) {
-        List<AlertGroup> alertGroup = alertGroupMapper.queryByGroupName(groupName);
+        return BooleanUtils.isTrue(alertGroupMapper.existGroupName(groupName));
-        return CollectionUtils.isNotEmpty(alertGroup);
     }
 }

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/AlertPluginInstanceServiceImpl.java

@@ -22,6 +22,7 @@ import org.apache.dolphinscheduler.api.service.AlertPluginInstanceService;
 import org.apache.dolphinscheduler.api.utils.PageInfo;
 import org.apache.dolphinscheduler.api.vo.AlertPluginInstanceVO;
 import org.apache.dolphinscheduler.common.Constants;
+import org.apache.dolphinscheduler.common.utils.BooleanUtils;
 import org.apache.dolphinscheduler.common.utils.CollectionUtils;
 import org.apache.dolphinscheduler.common.utils.JSONUtils;
 import org.apache.dolphinscheduler.dao.entity.AlertPluginInstance;
@@ -82,7 +83,7 @@ public class AlertPluginInstanceServiceImpl extends BaseServiceImpl implements A
 
         Map<String, Object> result = new HashMap<>();
 
-        if (CollectionUtils.isNotEmpty(alertPluginInstanceMapper.queryByInstanceName(alertPluginInstance.getInstanceName()))) {
+        if (BooleanUtils.isTrue(alertPluginInstanceMapper.existInstanceName(alertPluginInstance.getInstanceName()))) {
             putMsg(result, Status.PLUGIN_INSTANCE_ALREADY_EXIT);
             return result;
         }
@@ -183,7 +184,7 @@ public class AlertPluginInstanceServiceImpl extends BaseServiceImpl implements A
 
     @Override
     public boolean checkExistPluginInstanceName(String pluginInstanceName) {
-        return CollectionUtils.isNotEmpty(alertPluginInstanceMapper.queryByInstanceName(pluginInstanceName));
+        return BooleanUtils.isTrue(alertPluginInstanceMapper.existInstanceName(pluginInstanceName));
     }
 
     @Override

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/QueueServiceImpl.java

@@ -22,7 +22,7 @@ import org.apache.dolphinscheduler.api.service.QueueService;
 import org.apache.dolphinscheduler.api.utils.PageInfo;
 import org.apache.dolphinscheduler.api.utils.Result;
 import org.apache.dolphinscheduler.common.Constants;
-import org.apache.dolphinscheduler.common.utils.CollectionUtils;
+import org.apache.dolphinscheduler.common.utils.BooleanUtils;
 import org.apache.dolphinscheduler.common.utils.StringUtils;
 import org.apache.dolphinscheduler.dao.entity.Queue;
 import org.apache.dolphinscheduler.dao.entity.User;
@@ -270,7 +270,7 @@ public class QueueServiceImpl extends BaseServiceImpl implements QueueService {
      * @return true if the queue not exists, otherwise return false
      */
     private boolean checkQueueExist(String queue) {
-        return CollectionUtils.isNotEmpty(queueMapper.queryAllQueueList(queue, null));
+        return BooleanUtils.isTrue(queueMapper.existQueue(queue, null));
     }
 
     /**
@@ -281,7 +281,7 @@ public class QueueServiceImpl extends BaseServiceImpl implements QueueService {
      * @return true if the queue name not exists, otherwise return false
      */
     private boolean checkQueueNameExist(String queueName) {
-        return CollectionUtils.isNotEmpty(queueMapper.queryAllQueueList(null, queueName));
+        return BooleanUtils.isTrue(queueMapper.existQueue(null, queueName));
     }
 
     /**
@@ -293,7 +293,7 @@ public class QueueServiceImpl extends BaseServiceImpl implements QueueService {
      * @return true if need to update user
      */
     private boolean checkIfQueueIsInUsing (String oldQueue, String newQueue) {
-        return !oldQueue.equals(newQueue) && CollectionUtils.isNotEmpty(userMapper.queryUserListByQueue(oldQueue));
+        return !oldQueue.equals(newQueue) && BooleanUtils.isTrue(userMapper.existUser(oldQueue));
     }
 
 }

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/ResourcesServiceImpl.java

@@ -34,6 +34,7 @@ import org.apache.dolphinscheduler.api.utils.Result;
 import org.apache.dolphinscheduler.common.Constants;
 import org.apache.dolphinscheduler.common.enums.ProgramType;
 import org.apache.dolphinscheduler.common.enums.ResourceType;
+import org.apache.dolphinscheduler.common.utils.BooleanUtils;
 import org.apache.dolphinscheduler.common.utils.CollectionUtils;
 import org.apache.dolphinscheduler.common.utils.FileUtils;
 import org.apache.dolphinscheduler.common.utils.HadoopUtils;
@@ -251,8 +252,8 @@ public class ResourcesServiceImpl extends BaseServiceImpl implements ResourcesSe
      * @return true if resource exists
      */
     private boolean checkResourceExists(String fullName, int userId, int type) {
-        List<Resource> resources = resourcesMapper.queryResourceList(fullName, userId, type);
+        Boolean existResource = resourcesMapper.existResource(fullName, userId, type);
-        return resources != null && !resources.isEmpty();
+        return BooleanUtils.isTrue(existResource);
     }
 
     /**

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/TenantServiceImpl.java

@@ -23,6 +23,7 @@ import org.apache.dolphinscheduler.api.utils.PageInfo;
 import org.apache.dolphinscheduler.api.utils.RegexUtils;
 import org.apache.dolphinscheduler.api.utils.Result;
 import org.apache.dolphinscheduler.common.Constants;
+import org.apache.dolphinscheduler.common.utils.BooleanUtils;
 import org.apache.dolphinscheduler.common.utils.CollectionUtils;
 import org.apache.dolphinscheduler.common.utils.HadoopUtils;
 import org.apache.dolphinscheduler.common.utils.PropertyUtils;
@@ -95,7 +96,7 @@ public class TenantServiceImpl extends BaseServiceImpl implements TenantService
         }
 
         if (checkTenantExists(tenantCode)) {
-            putMsg(result, Status.REQUEST_PARAMS_NOT_VALID_ERROR, tenantCode);
+            putMsg(result, Status.OS_TENANT_CODE_EXIST, tenantCode);
             return result;
         }
 
@@ -344,7 +345,7 @@ public class TenantServiceImpl extends BaseServiceImpl implements TenantService
      * @return ture if the tenant code exists, otherwise return false
      */
     private boolean checkTenantExists(String tenantCode) {
-        List<Tenant> tenants = tenantMapper.queryByTenantCode(tenantCode);
+        Boolean existTenant = tenantMapper.existTenant(tenantCode);
-        return CollectionUtils.isNotEmpty(tenants);
+        return BooleanUtils.isTrue(existTenant);
     }
 }

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/WorkFlowLineageServiceImpl.java

@@ -20,6 +20,7 @@ package org.apache.dolphinscheduler.api.service.impl;
 import org.apache.dolphinscheduler.api.enums.Status;
 import org.apache.dolphinscheduler.api.service.WorkFlowLineageService;
 import org.apache.dolphinscheduler.common.Constants;
+import org.apache.dolphinscheduler.common.utils.CollectionUtils;
 import org.apache.dolphinscheduler.dao.entity.WorkFlowLineage;
 import org.apache.dolphinscheduler.dao.entity.WorkFlowRelation;
 import org.apache.dolphinscheduler.dao.mapper.WorkFlowLineageMapper;
@@ -56,7 +57,7 @@ public class WorkFlowLineageServiceImpl extends BaseServiceImpl implements WorkF
         for (int id : ids) {
             sourceIds.addAll(ids);
             List<WorkFlowRelation> workFlowRelationsTmp = workFlowLineageMapper.querySourceTarget(id);
-            if (workFlowRelationsTmp != null && !workFlowRelationsTmp.isEmpty()) {
+            if (CollectionUtils.isNotEmpty(workFlowRelationsTmp)) {
                 Set<Integer> idsTmp = new HashSet<>();
                 for (WorkFlowRelation workFlowRelation:workFlowRelationsTmp) {
                     if (!sourceIds.contains(workFlowRelation.getTargetWorkFlowId())) {

dolphinscheduler-api/src/test/java/org/apache/dolphinscheduler/api/service/AlertGroupServiceTest.java

@@ -156,7 +156,7 @@ public class AlertGroupServiceTest {
         //group name not exist
         boolean result = alertGroupService.existGroupName(groupName);
         Assert.assertFalse(result);
-        Mockito.when(alertGroupMapper.queryByGroupName(groupName)).thenReturn(getList());
+        Mockito.when(alertGroupMapper.existGroupName(groupName)).thenReturn(true);
 
         //group name exist
         result = alertGroupService.existGroupName(groupName);

dolphinscheduler-api/src/test/java/org/apache/dolphinscheduler/api/service/AlertPluginInstanceServiceTest.java

@@ -157,7 +157,7 @@ public class AlertPluginInstanceServiceTest {
 
     @Test
     public void testCreate() {
-        Mockito.when(alertPluginInstanceMapper.queryByInstanceName("test")).thenReturn(alertPluginInstances);
+        Mockito.when(alertPluginInstanceMapper.existInstanceName("test")).thenReturn(true);
         Map<String, Object> result = alertPluginInstanceService.create(user, 1, "test", uiParams);
         Assert.assertEquals(Status.PLUGIN_INSTANCE_ALREADY_EXIT, result.get(Constants.STATUS));
         Mockito.when(alertPluginInstanceMapper.insert(Mockito.any())).thenReturn(1);

dolphinscheduler-api/src/test/java/org/apache/dolphinscheduler/api/service/QueueServiceTest.java

@@ -76,7 +76,7 @@ public class QueueServiceTest {
     }
 
     @Test
-    public void testQueryList(){
+    public void testQueryList() {
 
         Mockito.when(queueMapper.selectList(null)).thenReturn(getQueueList());
         Map<String, Object> result = queueService.queryList(getLoginUser());
@@ -86,7 +86,7 @@ public class QueueServiceTest {
 
     }
     @Test
-    public void testQueryListPage(){
+    public void testQueryListPage() {
 
         IPage<Queue> page = new Page<>(1,10);
         page.setTotal(1L);
@@ -98,7 +98,7 @@ public class QueueServiceTest {
         Assert.assertTrue(CollectionUtils.isNotEmpty(pageInfo.getLists()));
     }
     @Test
-    public void testCreateQueue(){
+    public void testCreateQueue() {
 
         // queue is null
         Map<String, Object> result = queueService.createQueue(getLoginUser(),null,queueName);
@@ -114,13 +114,13 @@ public class QueueServiceTest {
         Assert.assertEquals(Status.SUCCESS,result.get(Constants.STATUS));
 
     }
+
     @Test
-    public void testUpdateQueue(){
+    public void testUpdateQueue() {
 
         Mockito.when(queueMapper.selectById(1)).thenReturn(getQueue());
-        Mockito.when(queueMapper.queryAllQueueList("test", null)).thenReturn(getQueueList());
+        Mockito.when(queueMapper.existQueue("test", null)).thenReturn(true);
-        Mockito.when(queueMapper.queryAllQueueList(null, "test")).thenReturn(getQueueList());
+        Mockito.when(queueMapper.existQueue(null, "test")).thenReturn(true);
-        Mockito.when(userMapper.queryUserListByQueue(queueName)).thenReturn(getUserList());
 
         // not exist
         Map<String, Object> result = queueService.updateQueue(getLoginUser(),0,"queue",queueName);
@@ -144,11 +144,12 @@ public class QueueServiceTest {
         Assert.assertEquals(Status.SUCCESS.getCode(),((Status)result.get(Constants.STATUS)).getCode());
 
     }
+
     @Test
-    public void testVerifyQueue(){
+    public void testVerifyQueue() {
 
-        Mockito.when(queueMapper.queryAllQueueList(queueName, null)).thenReturn(getQueueList());
+        Mockito.when(queueMapper.existQueue(queueName, null)).thenReturn(true);
-        Mockito.when(queueMapper.queryAllQueueList(null, queueName)).thenReturn(getQueueList());
+        Mockito.when(queueMapper.existQueue(null, queueName)).thenReturn(true);
 
         //queue null
         Result result = queueService.verifyQueue(null,queueName);
@@ -175,13 +176,13 @@ public class QueueServiceTest {
         logger.info(result.toString());
         Assert.assertEquals(result.getCode().intValue(), Status.SUCCESS.getCode());
 
-
     }
+
     /**
      * create admin user
      * @return
      */
-    private User getLoginUser(){
+    private User getLoginUser() {
 
         User loginUser = new User();
         loginUser.setUserType(UserType.ADMIN_USER);
@@ -189,7 +190,7 @@ public class QueueServiceTest {
         return loginUser;
     }
 
-    private List<User> getUserList(){
+    private List<User> getUserList() {
         List<User> list = new ArrayList<>();
         list.add(getLoginUser());
         return list;
@@ -200,7 +201,7 @@ public class QueueServiceTest {
      * get queue
      * @return
      */
-    private Queue getQueue(){
+    private Queue getQueue() {
         Queue queue = new Queue();
         queue.setId(1);
         queue.setQueue(queueName);
@@ -208,7 +209,7 @@ public class QueueServiceTest {
         return queue;
     }
 
-    private List<Queue> getQueueList(){
+    private List<Queue> getQueueList() {
         List<Queue> queueList = new ArrayList<>();
         queueList.add(getQueue());
         return queueList;

dolphinscheduler-api/src/test/java/org/apache/dolphinscheduler/api/service/ResourcesServiceTest.java

@@ -169,7 +169,7 @@ public class ResourcesServiceTest {
         Assert.assertEquals(Status.PARENT_RESOURCE_NOT_EXIST.getMsg(), result.getMsg());
         //RESOURCE_EXIST
         PowerMockito.when(PropertyUtils.getResUploadStartupState()).thenReturn(true);
-        Mockito.when(resourcesMapper.queryResourceList("/directoryTest", 0, 0)).thenReturn(getResourceList());
+        Mockito.when(resourcesMapper.existResource("/directoryTest", 0, 0)).thenReturn(true);
         result = resourcesService.createDirectory(user, "directoryTest", "directory test", ResourceType.FILE, -1, "/");
         logger.info(result.toString());
         Assert.assertEquals(Status.RESOURCE_EXIST.getMsg(), result.getMsg());
@@ -227,7 +227,7 @@ public class ResourcesServiceTest {
         Assert.assertEquals(Status.SUCCESS.getMsg(), result.getMsg());
 
         //RESOURCE_EXIST
-        Mockito.when(resourcesMapper.queryResourceList("/ResourcesServiceTest1.jar", 0, 0)).thenReturn(getResourceList());
+        Mockito.when(resourcesMapper.existResource("/ResourcesServiceTest1.jar", 0, 0)).thenReturn(true);
         result = resourcesService.updateResource(user, 1, "ResourcesServiceTest1.jar", "ResourcesServiceTest", ResourceType.FILE, null);
         logger.info(result.toString());
         Assert.assertEquals(Status.RESOURCE_EXIST.getMsg(), result.getMsg());
@@ -344,7 +344,7 @@ public class ResourcesServiceTest {
 
         User user = new User();
         user.setId(1);
-        Mockito.when(resourcesMapper.queryResourceList("/ResourcesServiceTest.jar", 0, 0)).thenReturn(getResourceList());
+        Mockito.when(resourcesMapper.existResource("/ResourcesServiceTest.jar", 0, 0)).thenReturn(true);
         Result result = resourcesService.verifyResourceName("/ResourcesServiceTest.jar", ResourceType.FILE, user);
         logger.info(result.toString());
         Assert.assertEquals(Status.RESOURCE_EXIST.getMsg(), result.getMsg());

dolphinscheduler-api/src/test/java/org/apache/dolphinscheduler/api/service/TenantServiceTest.java

@@ -79,7 +79,7 @@ public class TenantServiceTest {
     public void testCreateTenant() {
 
         User loginUser = getLoginUser();
-        Mockito.when(tenantMapper.queryByTenantCode(tenantCode)).thenReturn(getList());
+        Mockito.when(tenantMapper.existTenant(tenantCode)).thenReturn(true);
         try {
             //check tenantCode
             Map<String, Object> result =
@@ -90,7 +90,7 @@ public class TenantServiceTest {
             //check exist
             result = tenantService.createTenant(loginUser, tenantCode, 1, "TenantServiceTest");
             logger.info(result.toString());
-            Assert.assertEquals(Status.REQUEST_PARAMS_NOT_VALID_ERROR, result.get(Constants.STATUS));
+            Assert.assertEquals(Status.OS_TENANT_CODE_EXIST, result.get(Constants.STATUS));
 
             // success
             result = tenantService.createTenant(loginUser, "test", 1, "TenantServiceTest");
@@ -186,7 +186,7 @@ public class TenantServiceTest {
     @Test
     public void testVerifyTenantCode() {
 
-        Mockito.when(tenantMapper.queryByTenantCode(tenantCode)).thenReturn(getList());
+        Mockito.when(tenantMapper.existTenant(tenantCode)).thenReturn(true);
         // tenantCode not exist
         Result result = tenantService.verifyTenantCode("s00000000000l887888885554444sfjdskfjslakslkdf");
         logger.info(result.toString());

dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/BooleanUtils.java

@@ -0,0 +1,33 @@
+/*
+ * 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.dolphinscheduler.common.utils;
+
+public class BooleanUtils {
+
+    public static boolean isTrue(Boolean bool) {
+        if (bool == null) {
+            return false;
+        } else {
+            return bool;
+        }
+    }
+
+    public static boolean isNotTrue(Boolean bool) {
+        return !isTrue(bool);
+    }
+}

dolphinscheduler-dao/src/main/java/org/apache/dolphinscheduler/dao/PluginDao.java

@@ -19,6 +19,7 @@ package org.apache.dolphinscheduler.dao;
 
 import static java.util.Objects.requireNonNull;
 
+import org.apache.dolphinscheduler.common.utils.CollectionUtils;
 import org.apache.dolphinscheduler.dao.datasource.ConnectionFactory;
 import org.apache.dolphinscheduler.dao.entity.PluginDefine;
 import org.apache.dolphinscheduler.dao.mapper.PluginDefineMapper;
@@ -64,7 +65,7 @@ public class PluginDao extends AbstractBaseDao {
         requireNonNull(pluginDefine.getPluginType(), "pluginType is null");
 
         List<PluginDefine> pluginDefineList = pluginDefineMapper.queryByNameAndType(pluginDefine.getPluginName(), pluginDefine.getPluginType());
-        if (pluginDefineList == null || pluginDefineList.size() == 0) {
+        if (CollectionUtils.isEmpty(pluginDefineList)) {
             return pluginDefineMapper.insert(pluginDefine);
         }
         PluginDefine currPluginDefine = pluginDefineList.get(0);

dolphinscheduler-dao/src/main/java/org/apache/dolphinscheduler/dao/mapper/AlertGroupMapper.java

@@ -48,6 +48,13 @@ public interface AlertGroupMapper extends BaseMapper<AlertGroup> {
      */
     List<AlertGroup> queryByGroupName(@Param("groupName") String groupName);
 
+    /**
+     * Judge whether the alert group exist
+     * @param groupName groupName
+     * @return if exist return true else return null
+     */
+    Boolean existGroupName(@Param("groupName") String groupName);
+
     /**
      * query by userId
      * @param userId userId

dolphinscheduler-dao/src/main/java/org/apache/dolphinscheduler/dao/mapper/AlertPluginInstanceMapper.java

@@ -44,4 +44,11 @@ public interface AlertPluginInstanceMapper extends BaseMapper<AlertPluginInstanc
 
     List<AlertPluginInstance> queryByInstanceName(@Param("instanceName")String instanceName);
 
+    /**
+     *
+     * @param instanceName instanceName
+     * @return if exist return true else return null
+     */
+    Boolean existInstanceName(@Param("instanceName") String instanceName);
+
 }

dolphinscheduler-dao/src/main/java/org/apache/dolphinscheduler/dao/mapper/QueueMapper.java

@@ -46,4 +46,11 @@ public interface QueueMapper extends BaseMapper<Queue> {
     List<Queue> queryAllQueueList(@Param("queue") String queue,
                              @Param("queueName") String queueName);
 
+    /**
+     * check the target queue exist
+     * @param queue queue
+     * @param queueName queueName
+     * @return true if exist else return null
+     */
+    Boolean existQueue(@Param("queue") String queue, @Param("queueName") String queueName);
 }

dolphinscheduler-dao/src/main/java/org/apache/dolphinscheduler/dao/mapper/ResourceMapper.java

@@ -144,4 +144,15 @@ public interface ResourceMapper extends BaseMapper<Resource> {
      * @return update num
      */
     int batchUpdateResource(@Param("resourceList") List<Resource> resourceList);
+
+    /**
+     * check resource exist
+     * @param fullName full name
+     * @param userId userId
+     * @param type type
+     * @return true if exist else return null
+     */
+    Boolean existResource(@Param("fullName") String fullName,
+                              @Param("userId") int userId,
+                              @Param("type") int type);
 }

dolphinscheduler-dao/src/main/java/org/apache/dolphinscheduler/dao/mapper/TenantMapper.java

@@ -50,4 +50,11 @@ public interface TenantMapper extends BaseMapper<Tenant> {
      */
     IPage<Tenant> queryTenantPaging(IPage<Tenant> page,
                                     @Param("searchVal") String searchVal);
+
+    /**
+     * check tenant exist
+     * @param tenantCode tenantCode
+     * @return true if exist else return null
+     */
+    Boolean existTenant(@Param("tenantCode") String tenantCode);
 }

dolphinscheduler-dao/src/main/java/org/apache/dolphinscheduler/dao/mapper/UserMapper.java

@@ -100,7 +100,14 @@ public interface UserMapper extends BaseMapper<User> {
      * @param queueName queue name
      * @return user list
      */
-    List<User> queryUserListByQueue(@Param("queueName") String queueName);
+    List<User> queryUserListByQueue(@Param("queue") String queueName);
+
+    /**
+     * check the user exist
+     * @param queueName queue name
+     * @return true if exist else return null
+     */
+    Boolean existUser(@Param("queue") String queue);
 
     /**
      * update user with old queue

dolphinscheduler-dao/src/main/resources/org/apache/dolphinscheduler/dao/mapper/AlertGroupMapper.xml

@@ -38,6 +38,13 @@
         from t_ds_alertgroup
         where group_name=#{groupName}
     </select>
+
+    <select id="existGroupName" resultType="java.lang.Boolean">
+        select 1
+        from t_ds_alertgroup
+        where group_name=#{groupName} limit 1
+    </select>
+
     <select id="queryByUserId" resultType="org.apache.dolphinscheduler.dao.entity.AlertGroup">
         select
         <include refid="baseSql"/>

dolphinscheduler-dao/src/main/resources/org/apache/dolphinscheduler/dao/mapper/AlertPluginInstanceMapper.xml

@@ -43,4 +43,10 @@
         where instance_name = #{instanceName}
     </select>
 
+    <select id="existInstanceName" resultType="java.lang.Boolean">
+        select 1
+        from t_ds_alert_plugin_instance
+        where instance_name = #{instanceName} limit 1
+    </select>
+
 </mapper>

dolphinscheduler-dao/src/main/resources/org/apache/dolphinscheduler/dao/mapper/QueueMapper.xml

@@ -43,5 +43,15 @@
             and queue_name =#{queueName}
         </if>
     </select>
-
+    <select id="existQueue" resultType="java.lang.Boolean">
+        select 1 = 1
+        from t_ds_queue
+        where 1 = 1
+        <if test="queue != null and queue != ''">
+            and queue = #{queue}
+        </if>
+        <if test="queueName != null and queueName != ''">
+            and queue_name =#{queueName}
+        </if>
+    </select>
 </mapper>

dolphinscheduler-dao/src/main/resources/org/apache/dolphinscheduler/dao/mapper/ResourceMapper.xml

@@ -166,4 +166,12 @@
             #{i}
         </foreach>
     </select>
+
+    <select id="existResource" resultType="java.lang.Boolean">
+        select 1
+        from t_ds_resources
+        where full_name = #{fullName}
+        and type = #{type}
+        and user_id = #{userId} limit 1
+    </select>
 </mapper>

dolphinscheduler-dao/src/main/resources/org/apache/dolphinscheduler/dao/mapper/TenantMapper.xml

@@ -54,4 +54,9 @@
         </if>
         order by t.update_time desc
     </select>
+    <select id="existTenant" resultType="java.lang.Boolean">
+        select 1
+        from t_ds_tenant
+        where tenant_code = #{tenantCode} limit 1
+    </select>
 </mapper>

dolphinscheduler-dao/src/main/resources/org/apache/dolphinscheduler/dao/mapper/UserMapper.xml

@@ -103,7 +103,12 @@
         select
         <include refid="baseSql"/>
         from t_ds_user
-        where queue = #{queueName}
+        where queue = #{queue}
+    </select>
+    <select id="existUser" resultType="java.lang.Boolean">
+        select 1
+        from t_ds_user
+        where queue = #{queue} limit 1
     </select>
     <update id="updateUserQueue" parameterType="java.lang.String">
         update t_ds_user

dolphinscheduler-dao/src/test/java/org/apache/dolphinscheduler/dao/mapper/AlertGroupMapperTest.java

@@ -31,6 +31,7 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+import org.junit.Assert;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -161,6 +162,14 @@ public class AlertGroupMapperTest {
         compareAlertGroups(alertGroupMap, alertGroupList);
     }
 
+    @Test
+    public void testExistGroupName() {
+        String groupName = "testGroup";
+        createAlertGroups(1, groupName);
+
+        Assert.assertTrue(alertGroupMapper.existGroupName(groupName));
+    }
+
     /**
      * test query all group list
      */

dolphinscheduler-dao/src/test/java/org/apache/dolphinscheduler/dao/mapper/AlertPluginInstanceMapperTest.java

@@ -67,6 +67,14 @@ public class AlertPluginInstanceMapperTest {
         AlertGroup alertGroup = testAlertGroupList.get(0);
     }
 
+    @Test
+    public void testExistInstanceName() {
+        String instanceName = "test_instance";
+        Assert.assertNull(alertPluginInstanceMapper.existInstanceName(instanceName));
+        createAlertPluginInstance();
+        Assert.assertTrue(alertPluginInstanceMapper.existInstanceName(instanceName));
+    }
+
     /**
      * insert
      *

dolphinscheduler-dao/src/test/java/org/apache/dolphinscheduler/dao/mapper/QueueMapperTest.java

@@ -14,12 +14,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.dolphinscheduler.dao.mapper;
 
+package org.apache.dolphinscheduler.dao.mapper;
 
+import org.apache.dolphinscheduler.common.utils.BooleanUtils;
 import org.apache.dolphinscheduler.dao.entity.Queue;
+
+import java.util.Date;
+import java.util.List;
+
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+
 import org.junit.Assert;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -29,8 +35,6 @@ import org.springframework.test.annotation.Rollback;
 import org.springframework.test.context.junit4.SpringRunner;
 import org.springframework.transaction.annotation.Transactional;
 
-import java.util.Date;
-import java.util.List;
 
 @RunWith(SpringRunner.class)
 @SpringBootTest
@@ -47,7 +51,7 @@ public class QueueMapperTest {
      * insert
      * @return Queue
      */
-    private Queue insertOne(){
+    private Queue insertOne() {
         //insertOne
         Queue queue = new Queue();
         queue.setQueueName("queue");
@@ -62,7 +66,7 @@ public class QueueMapperTest {
      * test update
      */
     @Test
-    public void testUpdate(){
+    public void testUpdate() {
         //insertOne
         Queue queue = insertOne();
         queue.setCreateTime(new Date());
@@ -75,7 +79,7 @@ public class QueueMapperTest {
      * test delete
      */
     @Test
-    public void testDelete(){
+    public void testDelete() {
         Queue queue = insertOne();
         int delete = queueMapper.deleteById(queue.getId());
         Assert.assertEquals(1, delete);
@@ -123,4 +127,13 @@ public class QueueMapperTest {
         queues = queueMapper.queryAllQueueList(null, queue.getQueueName());
         Assert.assertNotEquals(queues.size(), 0);
     }
+
+    @Test
+    public void existQueue() {
+        Assert.assertNull(queueMapper.existQueue("queue", null));
+        Assert.assertNull(queueMapper.existQueue(null, "queue"));
+        Queue queue = insertOne();
+        Assert.assertTrue(BooleanUtils.isTrue(queueMapper.existQueue(queue.getQueue(), null)));
+        Assert.assertTrue(BooleanUtils.isTrue(queueMapper.existQueue(null, queue.getQueueName())));
+    }
 }

dolphinscheduler-dao/src/test/java/org/apache/dolphinscheduler/dao/mapper/ResourceMapperTest.java

@@ -412,4 +412,14 @@ public class ResourceMapperTest {
             Assert.fail("batch update resource  data error");
         }
     }
+
+    @Test
+    public void existResourceTest() {
+        String fullName = "/ut-resource";
+        int userId = 111;
+        int type = ResourceType.FILE.getCode();
+        Assert.assertNull(resourceMapper.existResource(fullName, userId, type));
+        insertOne();
+        Assert.assertTrue(resourceMapper.existResource(fullName, userId, type));
+    }
 }

dolphinscheduler-dao/src/test/java/org/apache/dolphinscheduler/dao/mapper/TenantMapperTest.java

@@ -54,6 +54,7 @@ public class TenantMapperTest {
         Tenant tenant = new Tenant();
         tenant.setCreateTime(new Date());
         tenant.setUpdateTime(new Date());
+        tenant.setTenantCode("test_code");
         tenantMapper.insert(tenant);
         return tenant;
     }
@@ -122,6 +123,8 @@ public class TenantMapperTest {
         Tenant tenant = insertOne();
         tenant.setTenantCode("ut code");
         tenantMapper.updateById(tenant);
+        List<Tenant> tenantList = tenantMapper.queryByTenantCode("ut code");
+        Assert.assertEquals(1, tenantList.size());
     }
 
     /**
@@ -139,11 +142,18 @@ public class TenantMapperTest {
         tenant.setTenantCode("ut code");
         tenant.setQueueId(queue.getId());
         tenantMapper.updateById(tenant);
-        Page<Tenant> page = new Page(1,3);
+        Page<Tenant> page = new Page(1, 3);
 
         //tenant.getTenantCode() used instead of tenant.getTenantName()
         IPage<Tenant> tenantIPage = tenantMapper.queryTenantPaging(page, tenant.getTenantCode());
 
         Assert.assertNotEquals(tenantIPage.getTotal(), 0);
     }
+
+    public void testExistTenant() {
+        String tenantCode = "test_code";
+        Assert.assertNull(tenantMapper.existTenant(tenantCode));
+        insertOne();
+        Assert.assertTrue(tenantMapper.existTenant(tenantCode));
+    }
 }

dolphinscheduler-dao/src/test/java/org/apache/dolphinscheduler/dao/mapper/UserMapperTest.java

@@ -74,6 +74,8 @@ public class UserMapperTest {
         user.setCreateTime(new Date());
         user.setTenantId(1);
         user.setUpdateTime(new Date());
+        user.setQueueName("test_queue");
+        user.setQueue("queue");
         userMapper.insert(user);
         return user;
     }
@@ -312,4 +314,12 @@ public class UserMapperTest {
         Assert.assertEquals(userToken, user);
 
     }
+
+    @Test
+    public void testExistUser() {
+        String queueName = "queue";
+        Assert.assertNull(userMapper.existUser(queueName));
+        insertOne();
+        Assert.assertTrue(userMapper.existUser(queueName));
+    }
 }