| /* |
| * 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.flink.connector.jdbc; |
| |
| import org.apache.flink.api.common.typeinfo.BasicTypeInfo; |
| import org.apache.flink.api.java.typeutils.RowTypeInfo; |
| import org.apache.flink.connector.jdbc.databases.derby.DerbyTestBase; |
| import org.apache.flink.connector.jdbc.testutils.DatabaseMetadata; |
| import org.apache.flink.table.types.logical.RowType; |
| |
| import java.io.OutputStream; |
| import java.io.Serializable; |
| import java.sql.Connection; |
| import java.sql.DriverManager; |
| import java.sql.SQLException; |
| import java.sql.Statement; |
| import java.util.Objects; |
| |
| import static org.apache.flink.table.types.utils.TypeConversions.fromLegacyInfoToDataType; |
| |
| /** Test data and helper objects for JDBC tests. */ |
| @SuppressWarnings("SpellCheckingInspection") |
| public class JdbcTestFixture implements DerbyTestBase { |
| public static final JdbcTestCheckpoint CP0 = new JdbcTestCheckpoint(0, 1, 2, 3); |
| public static final JdbcTestCheckpoint CP1 = new JdbcTestCheckpoint(1, 4, 5, 6); |
| |
| public static final String INPUT_TABLE = "books"; |
| public static final String OUTPUT_TABLE = "newbooks"; |
| public static final String OUTPUT_TABLE_2 = "newbooks2"; |
| public static final String OUTPUT_TABLE_3 = "newbooks3"; |
| public static final String WORDS_TABLE = "words"; |
| public static final String SELECT_ALL_BOOKS = "select * from " + INPUT_TABLE; |
| public static final String SELECT_ID_BOOKS = "select id from " + INPUT_TABLE; |
| public static final String SELECT_ALL_NEWBOOKS = "select * from " + OUTPUT_TABLE; |
| public static final String SELECT_ALL_NEWBOOKS_2 = "select * from " + OUTPUT_TABLE_2; |
| public static final String SELECT_ALL_NEWBOOKS_3 = "select * from " + OUTPUT_TABLE_3; |
| public static final String SELECT_EMPTY = "select * from books WHERE QTY < 0"; |
| public static final String INSERT_TEMPLATE = |
| "insert into %s (id, title, author, price, qty) values (?,?,?,?,?)"; |
| public static final String INSERT_INTO_WORDS_TEMPLATE = |
| "insert into words (id, word) values(?, ?)"; |
| |
| public static final String SELECT_ALL_BOOKS_SPLIT_BY_ID = |
| SELECT_ALL_BOOKS + " WHERE id BETWEEN ? AND ?"; |
| public static final String SELECT_ALL_BOOKS_SPLIT_BY_AUTHOR = |
| SELECT_ALL_BOOKS + " WHERE author = ?"; |
| |
| public static final TestEntry[] TEST_DATA = { |
| new TestEntry(1001, ("Java public for dummies"), ("Tan Ah Teck"), 11.11, 11), |
| new TestEntry(1002, ("More Java for dummies"), ("Tan Ah Teck"), 22.22, 22), |
| new TestEntry(1003, ("More Java for more dummies"), ("Mohammad Ali"), 33.33, 33), |
| new TestEntry(1004, ("A Cup of Java"), ("Kumar"), 44.44, 44), |
| new TestEntry(1005, ("A Teaspoon of Java"), ("Kevin Jones"), 55.55, 55), |
| new TestEntry(1006, ("A Teaspoon of Java 1.4"), ("Kevin Jones"), 66.66, 66), |
| new TestEntry(1007, ("A Teaspoon of Java 1.5"), ("Kevin Jones"), 77.77, 77), |
| new TestEntry(1008, ("A Teaspoon of Java 1.6"), ("Kevin Jones"), 88.88, 88), |
| new TestEntry(1009, ("A Teaspoon of Java 1.7"), ("Kevin Jones"), 99.99, 99), |
| new TestEntry(1010, ("A Teaspoon of Java 1.8"), ("Kevin Jones"), null, 1010) |
| }; |
| |
| /** TestEntry. */ |
| public static class TestEntry implements Serializable { |
| public final Integer id; |
| public final String title; |
| public final String author; |
| public final Double price; |
| public final Integer qty; |
| |
| public TestEntry(Integer id, String title, String author, Double price, Integer qty) { |
| this.id = id; |
| this.title = title; |
| this.author = author; |
| this.price = price; |
| this.qty = qty; |
| } |
| |
| @Override |
| public String toString() { |
| return "TestEntry{" |
| + "id=" |
| + id |
| + ", title='" |
| + title |
| + '\'' |
| + ", author='" |
| + author |
| + '\'' |
| + ", price=" |
| + price |
| + ", qty=" |
| + qty |
| + '}'; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (!(o instanceof TestEntry)) { |
| return false; |
| } |
| TestEntry testEntry = (TestEntry) o; |
| return Objects.equals(id, testEntry.id) |
| && Objects.equals(title, testEntry.title) |
| && Objects.equals(author, testEntry.author) |
| && Objects.equals(price, testEntry.price) |
| && Objects.equals(qty, testEntry.qty); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(id, title, author, price, qty); |
| } |
| } |
| |
| public static final RowTypeInfo ROW_TYPE_INFO = |
| new RowTypeInfo( |
| BasicTypeInfo.INT_TYPE_INFO, |
| BasicTypeInfo.STRING_TYPE_INFO, |
| BasicTypeInfo.STRING_TYPE_INFO, |
| BasicTypeInfo.DOUBLE_TYPE_INFO, |
| BasicTypeInfo.INT_TYPE_INFO); |
| |
| public static final RowType ROW_TYPE = |
| (RowType) fromLegacyInfoToDataType(ROW_TYPE_INFO).getLogicalType(); |
| |
| private static String getCreateQuery(String tableName) { |
| return "CREATE TABLE " |
| + tableName |
| + " (" |
| + "id INT DEFAULT 0 NOT NULL," |
| + "title VARCHAR(50) DEFAULT NULL," |
| + "author VARCHAR(50) DEFAULT NULL," |
| + "price FLOAT DEFAULT NULL," |
| + "qty INT DEFAULT NULL," |
| + "PRIMARY KEY (id))"; |
| } |
| |
| public static String getInsertQuery() { |
| StringBuilder sqlQueryBuilder = |
| new StringBuilder("INSERT INTO books (id, title, author, price, qty) VALUES "); |
| for (int i = 0; i < TEST_DATA.length; i++) { |
| sqlQueryBuilder |
| .append("(") |
| .append(TEST_DATA[i].id) |
| .append(",'") |
| .append(TEST_DATA[i].title) |
| .append("','") |
| .append(TEST_DATA[i].author) |
| .append("',") |
| .append(TEST_DATA[i].price) |
| .append(",") |
| .append(TEST_DATA[i].qty) |
| .append(")"); |
| if (i < TEST_DATA.length - 1) { |
| sqlQueryBuilder.append(","); |
| } |
| } |
| return sqlQueryBuilder.toString(); |
| } |
| |
| @SuppressWarnings("unused") // used in string constant in prepareDatabase |
| public static final OutputStream DEV_NULL = |
| new OutputStream() { |
| @Override |
| public void write(int b) {} |
| }; |
| |
| public static void initSchema(DatabaseMetadata metadata) throws SQLException { |
| try (Connection conn = metadata.getConnection()) { |
| createTable(conn, INPUT_TABLE); |
| createTable(conn, OUTPUT_TABLE); |
| createTable(conn, OUTPUT_TABLE_2); |
| createTable(conn, OUTPUT_TABLE_3); |
| createWordsTable(conn); |
| } |
| } |
| |
| private static void createWordsTable(Connection conn) throws SQLException { |
| executeUpdate( |
| conn, |
| "create table " |
| + WORDS_TABLE |
| + " (id int not null, word varchar(50), primary key (id))"); |
| } |
| |
| private static void executeUpdate(Connection conn, String sql) throws SQLException { |
| try (Statement st = conn.createStatement()) { |
| st.executeUpdate(sql); |
| } |
| } |
| |
| static void initData(DatabaseMetadata dbMetadata) throws SQLException { |
| try (Connection conn = DriverManager.getConnection(dbMetadata.getJdbcUrl())) { |
| insertDataIntoInputTable(conn); |
| } |
| } |
| |
| private static void createTable(Connection conn, String tableName) throws SQLException { |
| executeUpdate(conn, getCreateQuery(tableName)); |
| } |
| |
| private static void insertDataIntoInputTable(Connection conn) throws SQLException { |
| Statement stat = conn.createStatement(); |
| stat.execute(getInsertQuery()); |
| stat.close(); |
| } |
| |
| public static void cleanUpDatabasesStatic(DatabaseMetadata dbMetadata) throws SQLException { |
| |
| try (Connection conn = dbMetadata.getConnection(); |
| Statement stat = conn.createStatement()) { |
| |
| stat.executeUpdate("DROP TABLE " + INPUT_TABLE); |
| stat.executeUpdate("DROP TABLE " + OUTPUT_TABLE); |
| stat.executeUpdate("DROP TABLE " + OUTPUT_TABLE_2); |
| stat.executeUpdate("DROP TABLE " + OUTPUT_TABLE_3); |
| stat.executeUpdate("DROP TABLE " + WORDS_TABLE); |
| } |
| } |
| |
| static void cleanupData(DatabaseMetadata dbMetadata) throws Exception { |
| try (Connection conn = dbMetadata.getConnection()) { |
| executeUpdate(conn, "delete from " + INPUT_TABLE); |
| executeUpdate(conn, "delete from " + WORDS_TABLE); |
| } |
| } |
| } |