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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2021/03/22 06:09:17 UTC
[GitHub] [shardingsphere] zhujunxxxxx commented on a change in pull request #9757: support table metadata loading for H2 dialect
zhujunxxxxx commented on a change in pull request #9757:
URL: https://github.com/apache/shardingsphere/pull/9757#discussion_r598445933
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File path: shardingsphere-infra/shardingsphere-infra-common/src/test/java/org/apache/shardingsphere/infra/metadata/schema/builder/loader/dialect/H2TableMetaDataLoaderTest.java
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@@ -0,0 +1,169 @@
+/*
+ * 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.infra.metadata.schema.builder.loader.dialect;
+
+import org.apache.shardingsphere.infra.metadata.schema.builder.spi.DialectTableMetaDataLoader;
+import org.apache.shardingsphere.infra.metadata.schema.model.ColumnMetaData;
+import org.apache.shardingsphere.infra.metadata.schema.model.IndexMetaData;
+import org.apache.shardingsphere.infra.metadata.schema.model.TableMetaData;
+import org.apache.shardingsphere.infra.spi.ShardingSphereServiceLoader;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import javax.sql.DataSource;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.Collections;
+import java.util.Map;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertThat;
+import static org.mockito.Mockito.RETURNS_DEEP_STUBS;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+public final class H2TableMetaDataLoaderTest {
+
+ @BeforeClass
+ public static void setUp() {
+ ShardingSphereServiceLoader.register(DialectTableMetaDataLoader.class);
+ }
+
+ @Test
+ public void assertLoadWithoutExistedTables() throws SQLException {
+ DataSource dataSource = mockDataSource();
+ ResultSet resultSet = mockTableMetaDataResultSet();
+ when(dataSource.getConnection().prepareStatement(
+ "SELECT TABLE_CATALOG, TABLE_NAME, COLUMN_NAME, DATA_TYPE, TYPE_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_CATALOG=? AND TABLE_SCHEMA=?").executeQuery()).thenReturn(resultSet);
+ ResultSet indexResultSet = mockIndexMetaDataResultSet();
+ when(dataSource.getConnection().prepareStatement(
+ "SELECT TABLE_CATALOG, TABLE_NAME, INDEX_NAME, COLUMN_NAME FROM INFORMATION_SCHEMA.INDEXES WHERE TABLE_CATALOG=? AND TABLE_SCHEMA=? AND TABLE_NAME IN ('tbl')")
+ .executeQuery())
+ .thenReturn(indexResultSet);
+
+ ResultSet primaryKeys = mockPrimaryKeysMetaDataResultSet();
+ when(dataSource.getConnection().prepareStatement(
+ "SELECT TABLE_NAME, COLUMN_NAME FROM INFORMATION_SCHEMA.INDEXES WHERE TABLE_CATALOG=? AND TABLE_SCHEMA=? AND PRIMARY_KEY = TRUE").executeQuery()).thenReturn(primaryKeys);
+
+ ResultSet generatedInfo = mockGeneratedInfoResultSet();
+ when(dataSource.getConnection().prepareStatement(
+ "SELECT C.TABLE_NAME TABLE_NAME, C.COLUMN_NAME COLUMN_NAME, COALESCE(S.IS_GENERATED, FALSE) IS_GENERATED FROM INFORMATION_SCHEMA.COLUMNS C RIGHT JOIN"
+ + " INFORMATION_SCHEMA.SEQUENCES S ON C.SEQUENCE_NAME=S.SEQUENCE_NAME WHERE C.TABLE_CATALOG=? AND C.TABLE_SCHEMA=?").executeQuery()).thenReturn(generatedInfo);
+
+ assertTableMetaDataMap(getTableMetaDataLoader().load(dataSource, Collections.emptyList()));
+ }
+
+ @Test
+ public void assertLoadWithExistedTables() throws SQLException {
+ DataSource dataSource = mockDataSource();
+ ResultSet resultSet = mockTableMetaDataResultSet();
+ when(dataSource.getConnection().prepareStatement(
+ "SELECT TABLE_CATALOG, TABLE_NAME, COLUMN_NAME, DATA_TYPE, TYPE_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_CATALOG=? AND TABLE_SCHEMA=? AND TABLE_NAME NOT IN ('existed_tbl')")
+ .executeQuery()).thenReturn(resultSet);
+
+ ResultSet indexResultSet = mockIndexMetaDataResultSet();
+ when(dataSource.getConnection().prepareStatement(
+ "SELECT TABLE_CATALOG, TABLE_NAME, INDEX_NAME, COLUMN_NAME FROM INFORMATION_SCHEMA.INDEXES WHERE TABLE_CATALOG=? AND TABLE_SCHEMA=? AND TABLE_NAME IN ('tbl')")
+ .executeQuery()).thenReturn(indexResultSet);
+
+ ResultSet primaryKeys = mockPrimaryKeysMetaDataResultSet();
+ when(dataSource.getConnection().prepareStatement(
+ "SELECT TABLE_NAME, COLUMN_NAME FROM INFORMATION_SCHEMA.INDEXES WHERE TABLE_CATALOG=? AND TABLE_SCHEMA=? AND PRIMARY_KEY = TRUE AND TABLE_NAME NOT IN ('existed_tbl')")
+ .executeQuery())
+ .thenReturn(primaryKeys);
+
+ ResultSet generatedInfo = mockGeneratedInfoResultSet();
+ when(dataSource.getConnection().prepareStatement(
+ "SELECT C.TABLE_NAME TABLE_NAME, C.COLUMN_NAME COLUMN_NAME, COALESCE(S.IS_GENERATED, FALSE) IS_GENERATED FROM INFORMATION_SCHEMA.COLUMNS C"
+ + " RIGHT JOIN INFORMATION_SCHEMA.SEQUENCES S ON C.SEQUENCE_NAME=S.SEQUENCE_NAME WHERE C.TABLE_CATALOG=? AND C.TABLE_SCHEMA=? AND TABLE_NAME NOT IN ('existed_tbl')")
+ .executeQuery())
+ .thenReturn(generatedInfo);
+
Review comment:
OK, thank you review, I will fix it later.
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