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[Feature][Connector-V2] Jdbc DB2 support upsert SQL (#7879)
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133 changes: 133 additions & 0 deletions
133
...-part-1/src/test/java/org/apache/seatunnel/connectors/seatunnel/jdbc/JdbcDb2UpsertIT.java
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| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.seatunnel.connectors.seatunnel.jdbc; | ||
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| import org.apache.seatunnel.e2e.common.container.TestContainer; | ||
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| import org.junit.jupiter.api.Assertions; | ||
| import org.junit.jupiter.api.TestTemplate; | ||
| import org.testcontainers.containers.Container; | ||
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| import com.google.common.collect.Lists; | ||
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| import java.io.IOException; | ||
| import java.sql.ResultSet; | ||
| import java.sql.SQLException; | ||
| import java.sql.Statement; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
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| public class JdbcDb2UpsertIT extends JdbcDb2IT { | ||
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| private static final String CREATE_SQL_SINK = | ||
| "create table %s\n" | ||
| + "(\n" | ||
| + " C_BOOLEAN BOOLEAN,\n" | ||
| + " C_SMALLINT SMALLINT,\n" | ||
| + " C_INT INTEGER NOT NULL PRIMARY KEY,\n" | ||
| + " C_INTEGER INTEGER,\n" | ||
| + " C_BIGINT BIGINT,\n" | ||
| + " C_DECIMAL DECIMAL(5),\n" | ||
| + " C_DEC DECIMAL(5),\n" | ||
| + " C_NUMERIC DECIMAL(5),\n" | ||
| + " C_NUM DECIMAL(5),\n" | ||
| + " C_REAL REAL,\n" | ||
| + " C_FLOAT DOUBLE,\n" | ||
| + " C_DOUBLE DOUBLE,\n" | ||
| + " C_DOUBLE_PRECISION DOUBLE,\n" | ||
| + " C_CHAR CHARACTER(1),\n" | ||
| + " C_VARCHAR VARCHAR(255),\n" | ||
| + " C_BINARY BINARY(1),\n" | ||
| + " C_VARBINARY VARBINARY(2048),\n" | ||
| + " C_DATE DATE,\n" | ||
| + " C_UPDATED_AT TIMESTAMP DEFAULT CURRENT_TIMESTAMP\n" | ||
| + ");\n"; | ||
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| // create a trigger to update the timestamp when the row is updated. | ||
| // if no changes are made to the row, the timestamp should not be updated. | ||
| private static final String CREATE_TRIGGER_SQL = | ||
| "CREATE TRIGGER c_updated_at_trigger\n" | ||
| + " BEFORE UPDATE ON %s\n" | ||
| + " REFERENCING NEW AS new_row\n" | ||
| + " FOR EACH ROW\n" | ||
| + "BEGIN ATOMIC\n" | ||
| + "SET new_row.c_updated_at = CURRENT_TIMESTAMP;\n" | ||
| + "END;"; | ||
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| private static final List<String> CONFIG_FILE = | ||
| Lists.newArrayList("/jdbc_db2_source_and_sink_upsert.conf"); | ||
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| @Override | ||
| JdbcCase getJdbcCase() { | ||
| jdbcCase = super.getJdbcCase(); | ||
| jdbcCase.setSinkCreateSql(CREATE_SQL_SINK); | ||
| jdbcCase.setConfigFile(CONFIG_FILE); | ||
| jdbcCase.setAdditionalSqlOnSink(CREATE_TRIGGER_SQL); | ||
| return jdbcCase; | ||
| } | ||
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| @TestTemplate | ||
| public void testDb2UpsertE2e(TestContainer container) | ||
| throws IOException, InterruptedException, SQLException { | ||
| try { | ||
| // step 1: run the job to migrate data from source to sink. | ||
| Container.ExecResult execResult = | ||
| container.executeJob("/jdbc_db2_source_and_sink_upsert.conf"); | ||
| Assertions.assertEquals(0, execResult.getExitCode(), execResult.getStderr()); | ||
| List<List<Object>> updatedAtTimestampsBeforeUpdate = | ||
| query( | ||
| String.format( | ||
| "SELECT C_UPDATED_AT FROM %s", | ||
| buildTableInfoWithSchema(DB2_DATABASE, DB2_SINK))); | ||
| // step 2: run the job to update the data in the sink. | ||
| // expected: timestamps should not be updated as the data is not changed. | ||
| execResult = container.executeJob("/jdbc_db2_source_and_sink_upsert.conf"); | ||
| Assertions.assertEquals(0, execResult.getExitCode(), execResult.getStderr()); | ||
| List<List<Object>> updatedAtTimestampsAfterUpdate = | ||
| query( | ||
| String.format( | ||
| "SELECT C_UPDATED_AT FROM %s", | ||
| buildTableInfoWithSchema(DB2_DATABASE, DB2_SINK))); | ||
| Assertions.assertIterableEquals( | ||
| updatedAtTimestampsBeforeUpdate, updatedAtTimestampsAfterUpdate); | ||
| } finally { | ||
| clearTable(DB2_DATABASE, DB2_SINK); | ||
| } | ||
| } | ||
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| private List<List<Object>> query(String sql) { | ||
| try (Statement statement = connection.createStatement(); | ||
| ResultSet resultSet = statement.executeQuery(sql)) { | ||
| List<List<Object>> result = new ArrayList<>(); | ||
| int columnCount = resultSet.getMetaData().getColumnCount(); | ||
| while (resultSet.next()) { | ||
| ArrayList<Object> objects = new ArrayList<>(); | ||
| for (int i = 1; i <= columnCount; i++) { | ||
| objects.add(resultSet.getString(i)); | ||
| } | ||
| result.add(objects); | ||
| log.debug(String.format("Print query, sql: %s, data: %s", sql, objects)); | ||
| } | ||
| connection.commit(); | ||
| return result; | ||
| } catch (SQLException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
| } |
57 changes: 57 additions & 0 deletions
57
...dbc-e2e/connector-jdbc-e2e-part-1/src/test/resources/jdbc_db2_source_and_sink_upsert.conf
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| # | ||
| # 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. | ||
| # | ||
|
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| env { | ||
| parallelism = 1 | ||
| job.mode = "BATCH" | ||
| } | ||
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| source { | ||
| # This is a example source plugin **only for test and demonstrate the feature source plugin** | ||
| Jdbc { | ||
| driver = com.ibm.db2.jcc.DB2Driver | ||
| url = "jdbc:db2://db2-e2e:50000/E2E" | ||
| user = "db2inst1" | ||
| password = "123456" | ||
| query = """ | ||
| select * from "E2E".SOURCE; | ||
| """ | ||
| } | ||
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| # If you would like to get more information about how to configure seatunnel and see full list of source plugins, | ||
| # please go to https://seatunnel.apache.org/docs/connector-v2/source/Jdbc | ||
| } | ||
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| sink { | ||
| Jdbc { | ||
| driver = com.ibm.db2.jcc.DB2Driver | ||
| url = "jdbc:db2://db2-e2e:50000/E2E" | ||
| user = "db2inst1" | ||
| password = "123456" | ||
| database = "E2E" | ||
| table = "SINK" | ||
| enable_upsert = true | ||
| # The primary keys of the table, which will be used to generate the upsert sql | ||
| generate_sink_sql = true | ||
| primary_keys = [ | ||
| C_INT | ||
| ] | ||
| } | ||
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| # If you would like to get more information about how to configure seatunnel and see full list of sink plugins, | ||
| # please go to https://seatunnel.apache.org/docs/connector-v2/sink/Jdbc | ||
| } |