lasdf1234 commented on code in PR #11066:
URL: https://github.com/apache/gravitino/pull/11066#discussion_r3232053533


##########
plugins/idp-basic/src/main/java/org/apache/gravitino/storage/relational/mapper/provider/base/IdpUserMetaBaseSQLProvider.java:
##########
@@ -0,0 +1,107 @@
+/*
+ * 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.gravitino.storage.relational.mapper.provider.base;
+
+import java.util.List;
+import org.apache.gravitino.storage.relational.mapper.IdpUserMetaMapper;
+import org.apache.gravitino.storage.relational.po.IdpUserPO;
+import org.apache.ibatis.annotations.Param;
+
+public class IdpUserMetaBaseSQLProvider {
+
+  public String selectIdpUser(@Param("userName") String userName) {
+    return "SELECT user_id as userId, user_name as userName, password_hash as 
passwordHash,"
+        + " current_version as currentVersion,"
+        + " last_version as lastVersion, deleted_at as deletedAt"
+        + " FROM "
+        + IdpUserMetaMapper.IDP_USER_TABLE_NAME
+        + " WHERE user_name = #{userName} AND deleted_at = 0";
+  }
+
+  public String selectIdpUsers(@Param("userNames") List<String> userNames) {
+    return "<script>"
+        + "SELECT user_id as userId, user_name as userName, password_hash as 
passwordHash,"
+        + " current_version as currentVersion,"
+        + " last_version as lastVersion, deleted_at as deletedAt"
+        + " FROM "
+        + IdpUserMetaMapper.IDP_USER_TABLE_NAME
+        + " WHERE deleted_at = 0 "
+        + "<choose>"
+        + "<when test='userNames != null and userNames.size() > 0'>"
+        + "AND user_name IN ("
+        + "<foreach item='item' collection='userNames' separator=','>"
+        + "#{item}"
+        + "</foreach>"
+        + ") "
+        + "</when>"
+        + "<otherwise>"
+        + "AND 1 = 0 "
+        + "</otherwise>"
+        + "</choose>"
+        + "</script>";
+  }
+
+  public String insertIdpUser(@Param("userMeta") IdpUserPO userPO) {
+    return "INSERT INTO "
+        + IdpUserMetaMapper.IDP_USER_TABLE_NAME
+        + " (user_id, user_name, password_hash, current_version, last_version, 
deleted_at)"
+        + " VALUES ("
+        + " #{userMeta.userId},"
+        + " #{userMeta.userName},"
+        + " #{userMeta.passwordHash},"
+        + " #{userMeta.currentVersion},"
+        + " #{userMeta.lastVersion},"
+        + " #{userMeta.deletedAt}"
+        + " )";
+  }
+
+  public String updateIdpUserPassword(
+      @Param("userId") Long userId,
+      @Param("passwordHash") String passwordHash,
+      @Param("currentVersion") Long currentVersion,
+      @Param("newCurrentVersion") Long newCurrentVersion,
+      @Param("newLastVersion") Long newLastVersion) {
+    return "UPDATE "
+        + IdpUserMetaMapper.IDP_USER_TABLE_NAME
+        + " SET password_hash = #{passwordHash},"
+        + " current_version = #{newCurrentVersion},"
+        + " last_version = #{newLastVersion}"
+        + " WHERE user_id = #{userId}"
+        + " AND current_version = #{currentVersion}"
+        + " AND deleted_at = 0";
+  }
+
+  public String softDeleteIdpUser(
+      @Param("userId") Long userId, @Param("deletedAt") Long deletedAt) {
+    return "UPDATE "
+        + IdpUserMetaMapper.IDP_USER_TABLE_NAME
+        + " SET deleted_at = #{deletedAt},"

Review Comment:
   Resolved



##########
plugins/idp-basic/src/test/java/org/apache/gravitino/storage/relational/mapper/IdpMapperTestBase.java:
##########
@@ -0,0 +1,179 @@
+/*
+ * 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.gravitino.storage.relational.mapper;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.Comparator;
+import java.util.UUID;
+import java.util.stream.Stream;
+import org.apache.gravitino.Config;
+import org.apache.gravitino.Configs;
+import org.apache.gravitino.storage.relational.JDBCBackend;
+import org.apache.gravitino.storage.relational.po.IdpUserPO;
+import org.apache.gravitino.storage.relational.session.SqlSessionFactoryHelper;
+import org.apache.ibatis.session.SqlSession;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.BeforeEach;
+
+abstract class IdpMapperTestBase {
+  private static final String JDBC_STORE_PATH =
+      "/tmp/gravitino_jdbc_idpMappers_" + 
UUID.randomUUID().toString().replace("-", "");
+  private static final String DB_DIR = JDBC_STORE_PATH + "/testdb";
+
+  protected static JDBCBackend backend;
+  protected static SqlSession sharedSession;
+  protected static IdpUserMetaMapper idpUserMetaMapper;
+
+  @BeforeAll
+  static void setup() throws Exception {
+    File dir = new File(DB_DIR);
+    if (dir.exists()) {
+      deleteDirectory(dir.toPath());
+    }
+    dir.mkdirs();

Review Comment:
   Resolved



##########
plugins/idp-basic/src/main/java/org/apache/gravitino/storage/relational/mapper/IdpUserMetaSQLProviderFactory.java:
##########
@@ -0,0 +1,85 @@
+/*
+ * 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.gravitino.storage.relational.mapper;
+
+import com.google.common.collect.ImmutableMap;
+import java.util.List;
+import java.util.Map;
+import org.apache.gravitino.storage.relational.JDBCBackend.JDBCBackendType;
+import 
org.apache.gravitino.storage.relational.mapper.provider.base.IdpUserMetaBaseSQLProvider;
+import 
org.apache.gravitino.storage.relational.mapper.provider.h2.IdpUserMetaH2Provider;
+import 
org.apache.gravitino.storage.relational.mapper.provider.postgresql.IdpUserMetaPostgreSQLProvider;
+import org.apache.gravitino.storage.relational.po.IdpUserPO;
+import org.apache.gravitino.storage.relational.session.SqlSessionFactoryHelper;
+import org.apache.ibatis.annotations.Param;
+
+public class IdpUserMetaSQLProviderFactory {
+  private static final Map<JDBCBackendType, IdpUserMetaBaseSQLProvider>
+      IDP_USER_META_SQL_PROVIDER_MAP =
+          ImmutableMap.of(
+              JDBCBackendType.MYSQL, new IdpUserMetaMySQLProvider(),
+              JDBCBackendType.H2, new IdpUserMetaH2Provider(),
+              JDBCBackendType.POSTGRESQL, new IdpUserMetaPostgreSQLProvider());
+
+  public static IdpUserMetaBaseSQLProvider getProvider() {
+    String databaseId =
+        SqlSessionFactoryHelper.getInstance()
+            .getSqlSessionFactory()
+            .getConfiguration()
+            .getDatabaseId();
+
+    JDBCBackendType jdbcBackendType = JDBCBackendType.fromString(databaseId);
+    return IDP_USER_META_SQL_PROVIDER_MAP.get(jdbcBackendType);
+  }

Review Comment:
   The current implementation matches many existing *SQLProviderFactory classes 
in the repo, such as TableColumnSQLProviderFactory.In normal execution, 
databaseId is controlled and should not be missing



##########
plugins/idp-basic/src/main/java/org/apache/gravitino/storage/relational/mapper/provider/postgresql/IdpUserMetaPostgreSQLProvider.java:
##########
@@ -0,0 +1,46 @@
+/*
+ * 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.gravitino.storage.relational.mapper.provider.postgresql;
+
+import org.apache.gravitino.storage.relational.mapper.IdpUserMetaMapper;
+import 
org.apache.gravitino.storage.relational.mapper.provider.base.IdpUserMetaBaseSQLProvider;
+import org.apache.ibatis.annotations.Param;
+
+public class IdpUserMetaPostgreSQLProvider extends IdpUserMetaBaseSQLProvider {
+
+  @Override
+  public String softDeleteIdpUser(Long userId) {
+    return "UPDATE "
+        + IdpUserMetaMapper.IDP_USER_TABLE_NAME
+        + " SET deleted_at = CAST(EXTRACT(EPOCH FROM CURRENT_TIMESTAMP) * 1000 
AS BIGINT),"
+        + " current_version = current_version + 1,"
+        + " last_version = last_version + 1"
+        + " WHERE user_id = #{userId} AND deleted_at = 0";
+  }
+
+  @Override
+  public String deleteIdpUserMetasByLegacyTimeline(Long legacyTimeline, 
@Param("limit") int limit) {
+    return "DELETE FROM "
+        + IdpUserMetaMapper.IDP_USER_TABLE_NAME
+        + " WHERE user_id IN (SELECT user_id FROM "
+        + IdpUserMetaMapper.IDP_USER_TABLE_NAME
+        + " WHERE deleted_at > 0 AND deleted_at < #{legacyTimeline} LIMIT 
#{limit})";

Review Comment:
   The same pattern already exists broadly in core and in sibling providers.The 
intent of these cleanup methods is to  delete any batch of eligible 
soft-deleted rows, not a specifically ordered batch.



##########
plugins/idp-basic/src/main/java/org/apache/gravitino/storage/relational/mapper/IdpUserMetaMapper.java:
##########
@@ -0,0 +1,66 @@
+/*
+ * 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.gravitino.storage.relational.mapper;
+
+import java.util.List;
+import org.apache.gravitino.storage.relational.po.IdpUserPO;
+import org.apache.ibatis.annotations.DeleteProvider;
+import org.apache.ibatis.annotations.InsertProvider;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.SelectProvider;
+import org.apache.ibatis.annotations.UpdateProvider;
+
+/**
+ * A MyBatis Mapper for table meta operation SQLs.
+ *
+ * <p>This interface class is a specification defined by MyBatis. It requires 
this interface class
+ * to identify the corresponding SQLs for execution. We can write SQLs in an 
additional XML file, or
+ * write SQLs with annotations in this interface Mapper. See: <a
+ * href="https://mybatis.org/mybatis-3/getting-started.html";></a>

Review Comment:
   Resolved, I have modified doc.



##########
plugins/idp-basic/src/test/java/org/apache/gravitino/storage/relational/mapper/IdpMapperTestBase.java:
##########
@@ -0,0 +1,225 @@
+/*
+ * 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.gravitino.storage.relational.mapper;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.Comparator;
+import java.util.UUID;
+import java.util.stream.Stream;
+import org.apache.gravitino.Config;
+import org.apache.gravitino.Configs;
+import org.apache.gravitino.integration.test.util.BaseIT;
+import org.apache.gravitino.integration.test.util.CloseContainerExtension;
+import org.apache.gravitino.integration.test.util.PrintFuncNameExtension;
+import org.apache.gravitino.storage.relational.JDBCBackend;
+import org.apache.gravitino.storage.relational.po.IdpUserPO;
+import org.apache.gravitino.storage.relational.session.SqlSessionFactoryHelper;
+import org.apache.ibatis.session.SqlSession;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.TestInstance;
+import org.junit.jupiter.api.extension.ExtendWith;
+
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+@ExtendWith({PrintFuncNameExtension.class, CloseContainerExtension.class})
+abstract class IdpMapperTestBase {
+  private final BaseIT baseIT = new BaseIT();
+  private Path h2Path;
+
+  protected String backendType;
+  protected JDBCBackend backend;
+  protected SqlSession sharedSession;
+  protected IdpUserMetaMapper idpUserMetaMapper;
+
+  @BeforeAll
+  void startBackend() throws SQLException {
+    backendType = backendType();
+    backend = createBackend(backendType);
+  }
+
+  @BeforeEach
+  void openSession() {
+    sharedSession = 
SqlSessionFactoryHelper.getInstance().getSqlSessionFactory().openSession(true);
+    idpUserMetaMapper = sharedSession.getMapper(IdpUserMetaMapper.class);
+    truncateTables();
+  }
+
+  @AfterEach
+  void closeSession() {
+    if (sharedSession != null) {
+      sharedSession.close();
+      sharedSession = null;
+    }
+  }
+
+  @AfterAll
+  void stopBackend() throws IOException {
+    SqlSessionFactoryHelper.getInstance().close();
+    if (backend != null) {
+      backend.close();
+      backend = null;
+    }
+
+    if (h2Path != null && Files.exists(h2Path)) {
+      deleteDirectory(h2Path);
+      h2Path = null;
+    }
+  }
+
+  void truncateTables() {
+    try (SqlSession sqlSession =
+        
SqlSessionFactoryHelper.getInstance().getSqlSessionFactory().openSession(true)) 
{
+      try (Connection connection = sqlSession.getConnection();
+          Statement statement = connection.createStatement()) {
+        if ("postgresql".equalsIgnoreCase(backendType)) {
+          statement.execute("TRUNCATE TABLE idp_user_meta RESTART IDENTITY 
CASCADE");
+        } else {
+          statement.execute("TRUNCATE TABLE idp_user_meta");
+        }
+      }
+    } catch (SQLException e) {
+      throw new RuntimeException("Truncate table failed", e);
+    }
+  }
+
+  protected IdpUserPO insertUser(
+      long userId,
+      String userName,
+      String passwordHash,
+      long currentVersion,
+      long lastVersion,
+      long deletedAt) {
+    IdpUserPO userPO =
+        IdpUserPO.builder()
+            .withUserId(userId)
+            .withUserName(userName)
+            .withPasswordHash(passwordHash)
+            .withCurrentVersion(currentVersion)
+            .withLastVersion(lastVersion)
+            .withDeletedAt(deletedAt)
+            .build();
+    idpUserMetaMapper.insertIdpUser(userPO);
+    return userPO;
+  }
+
+  protected long queryLongValue(String table, String column, String idColumn, 
long idValue) {
+    try (SqlSession sqlSession =
+        
SqlSessionFactoryHelper.getInstance().getSqlSessionFactory().openSession(true)) 
{
+      try (Connection connection = sqlSession.getConnection()) {
+        String query = "SELECT " + column + " FROM " + table + " WHERE " + 
idColumn + " = ?";
+        try (PreparedStatement statement = connection.prepareStatement(query)) 
{
+          statement.setLong(1, idValue);
+          try (ResultSet resultSet = statement.executeQuery()) {
+            assertTrue(resultSet.next());
+            return resultSet.getLong(1);
+          }
+        }
+      }
+    } catch (SQLException e) {
+      throw new RuntimeException("Query " + column + " from " + table + " 
failed", e);
+    }
+  }
+
+  protected int countRows(String table, String idColumn, long idValue) {
+    try (SqlSession sqlSession =
+        
SqlSessionFactoryHelper.getInstance().getSqlSessionFactory().openSession(true)) 
{
+      try (Connection connection = sqlSession.getConnection()) {
+        String query = "SELECT COUNT(1) FROM " + table + " WHERE " + idColumn 
+ " = ?";
+        try (PreparedStatement statement = connection.prepareStatement(query)) 
{
+          statement.setLong(1, idValue);
+          try (ResultSet resultSet = statement.executeQuery()) {
+            assertTrue(resultSet.next());
+            return resultSet.getInt(1);
+          }
+        }
+      }
+    } catch (SQLException e) {
+      throw new RuntimeException("Count rows from " + table + " failed", e);
+    }
+  }
+
+  protected abstract String backendType();
+
+  private JDBCBackend createBackend(String backendType) throws SQLException {
+    Config config = new Config(false) {};
+    config.set(Configs.ENTITY_STORE, Configs.RELATIONAL_ENTITY_STORE);
+    config.set(Configs.ENTITY_RELATIONAL_STORE, backendType);
+    config.set(Configs.ENTITY_RELATIONAL_JDBC_BACKEND_MAX_CONNECTIONS, 20);
+    config.set(Configs.ENTITY_RELATIONAL_JDBC_BACKEND_WAIT_MILLISECONDS, 
1000L);
+
+    if ("mysql".equals(backendType)) {
+      config.set(Configs.ENTITY_RELATIONAL_JDBC_BACKEND_URL, 
baseIT.startAndInitMySQLBackend());
+      config.set(Configs.ENTITY_RELATIONAL_JDBC_BACKEND_USER, "root");
+      config.set(Configs.ENTITY_RELATIONAL_JDBC_BACKEND_PASSWORD, "root");
+      config.set(Configs.ENTITY_RELATIONAL_JDBC_BACKEND_DRIVER, 
"com.mysql.cj.jdbc.Driver");
+    } else if ("postgresql".equals(backendType)) {
+      config.set(Configs.ENTITY_RELATIONAL_JDBC_BACKEND_URL, 
baseIT.startAndInitPGBackend());
+      config.set(Configs.ENTITY_RELATIONAL_JDBC_BACKEND_USER, "root");
+      config.set(Configs.ENTITY_RELATIONAL_JDBC_BACKEND_PASSWORD, "root");
+      config.set(Configs.ENTITY_RELATIONAL_JDBC_BACKEND_DRIVER, 
"org.postgresql.Driver");
+    } else {
+      String jdbcStorePath =
+          "/tmp/gravitino_jdbc_idpMappers_" + 
UUID.randomUUID().toString().replace("-", "");
+      h2Path = Path.of(jdbcStorePath);
+      try {
+        Files.createDirectories(h2Path);
+      } catch (IOException e) {
+        throw new RuntimeException("Create H2 test directory failed: " + 
h2Path, e);
+      }
+
+      config.set(
+          Configs.ENTITY_RELATIONAL_JDBC_BACKEND_URL,
+          String.format("jdbc:h2:file:%s/testdb;DB_CLOSE_DELAY=-1;MODE=MYSQL", 
jdbcStorePath));

Review Comment:
   It has been changed to the default temporary directory creation method 
provided by JDK.



##########
plugins/idp-basic/src/main/java/org/apache/gravitino/storage/relational/po/IdpUserPO.java:
##########
@@ -0,0 +1,144 @@
+/*
+ * 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.gravitino.storage.relational.po;
+
+import com.google.common.base.Objects;
+import com.google.common.base.Preconditions;
+
+public class IdpUserPO {
+  private Long userId;
+  private String userName;
+  private String passwordHash;
+  private Long currentVersion;
+  private Long lastVersion;
+  private Long deletedAt;
+
+  public Long getUserId() {
+    return userId;
+  }
+
+  public String getUserName() {
+    return userName;
+  }
+
+  public String getPasswordHash() {
+    return passwordHash;
+  }
+
+  public Long getCurrentVersion() {
+    return currentVersion;
+  }
+
+  public Long getLastVersion() {
+    return lastVersion;
+  }
+
+  public Long getDeletedAt() {
+    return deletedAt;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (!(o instanceof IdpUserPO)) {
+      return false;
+    }
+    IdpUserPO userPO = (IdpUserPO) o;
+    return Objects.equal(getUserId(), userPO.getUserId())
+        && Objects.equal(getUserName(), userPO.getUserName())
+        && Objects.equal(getPasswordHash(), userPO.getPasswordHash())
+        && Objects.equal(getCurrentVersion(), userPO.getCurrentVersion())
+        && Objects.equal(getLastVersion(), userPO.getLastVersion())
+        && Objects.equal(getDeletedAt(), userPO.getDeletedAt());
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hashCode(
+        getUserId(),
+        getUserName(),
+        getPasswordHash(),
+        getCurrentVersion(),
+        getLastVersion(),
+        getDeletedAt());
+  }
+
+  public static class Builder {
+    private final IdpUserPO userPO;
+
+    private Builder() {
+      userPO = new IdpUserPO();
+    }
+
+    public Builder withUserId(Long userId) {
+      userPO.userId = userId;
+      return this;
+    }
+
+    public Builder withUserName(String userName) {
+      userPO.userName = userName;
+      return this;
+    }
+
+    public Builder withPasswordHash(String passwordHash) {
+      userPO.passwordHash = passwordHash;
+      return this;
+    }
+
+    public Builder withCurrentVersion(Long currentVersion) {
+      userPO.currentVersion = currentVersion;
+      return this;
+    }
+
+    public Builder withLastVersion(Long lastVersion) {
+      userPO.lastVersion = lastVersion;
+      return this;
+    }
+
+    public Builder withDeletedAt(Long deletedAt) {
+      userPO.deletedAt = deletedAt;
+      return this;
+    }
+
+    private void validate() {
+      Preconditions.checkArgument(userPO.userId != null, "User id is 
required");
+      Preconditions.checkArgument(userPO.userName != null, "User name is 
required");
+      Preconditions.checkArgument(userPO.passwordHash != null, "Password hash 
is required");
+      Preconditions.checkArgument(userPO.currentVersion != null, "Current 
version is required");
+      Preconditions.checkArgument(userPO.lastVersion != null, "Last version is 
required");
+      Preconditions.checkArgument(userPO.deletedAt != null, "Deleted at is 
required");
+    }
+
+    public IdpUserPO build() {
+      validate();
+      return userPO;
+    }
+  }

Review Comment:
   The code has been modified in accordance with the existing PolicyPO 
implementation method.



##########
plugins/idp-basic/src/main/java/org/apache/gravitino/storage/relational/mapper/IdpUserMetaSQLProviderFactory.java:
##########
@@ -0,0 +1,85 @@
+/*
+ * 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.gravitino.storage.relational.mapper;
+
+import com.google.common.collect.ImmutableMap;
+import java.util.List;
+import java.util.Map;
+import org.apache.gravitino.storage.relational.JDBCBackend.JDBCBackendType;
+import 
org.apache.gravitino.storage.relational.mapper.provider.base.IdpUserMetaBaseSQLProvider;
+import 
org.apache.gravitino.storage.relational.mapper.provider.h2.IdpUserMetaH2Provider;
+import 
org.apache.gravitino.storage.relational.mapper.provider.postgresql.IdpUserMetaPostgreSQLProvider;
+import org.apache.gravitino.storage.relational.po.IdpUserPO;
+import org.apache.gravitino.storage.relational.session.SqlSessionFactoryHelper;
+import org.apache.ibatis.annotations.Param;
+
+public class IdpUserMetaSQLProviderFactory {
+  private static final Map<JDBCBackendType, IdpUserMetaBaseSQLProvider>
+      IDP_USER_META_SQL_PROVIDER_MAP =
+          ImmutableMap.of(
+              JDBCBackendType.MYSQL, new IdpUserMetaMySQLProvider(),
+              JDBCBackendType.H2, new IdpUserMetaH2Provider(),
+              JDBCBackendType.POSTGRESQL, new IdpUserMetaPostgreSQLProvider());
+
+  public static IdpUserMetaBaseSQLProvider getProvider() {
+    String databaseId =
+        SqlSessionFactoryHelper.getInstance()
+            .getSqlSessionFactory()
+            .getConfiguration()
+            .getDatabaseId();
+
+    JDBCBackendType jdbcBackendType = JDBCBackendType.fromString(databaseId);
+    return IDP_USER_META_SQL_PROVIDER_MAP.get(jdbcBackendType);

Review Comment:
   Consistent with the original style of the project



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