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[FLINK-36793][cdc-source-connectors] Fix the problem with the block splitter logic of Oracle CDC incremental snapshot, causing the split slice to be too large #3841
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85 changes: 85 additions & 0 deletions
85
.../apache/flink/cdc/connectors/oracle/source/assigner/splitter/OracleChunkSplitterTest.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -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. | ||
| */ | ||
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| package org.apache.flink.cdc.connectors.oracle.source.assigner.splitter; | ||
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| import org.apache.flink.cdc.connectors.base.source.assigner.state.ChunkSplitterState; | ||
| import org.apache.flink.cdc.connectors.oracle.source.OracleSourceTestBase; | ||
| import org.apache.flink.cdc.connectors.oracle.source.utils.OracleConnectionUtils; | ||
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| import io.debezium.jdbc.JdbcConfiguration; | ||
| import io.debezium.jdbc.JdbcConnection; | ||
| import oracle.sql.ROWID; | ||
| import org.junit.jupiter.api.Test; | ||
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| import java.sql.SQLException; | ||
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| import static org.junit.jupiter.api.Assertions.assertTrue; | ||
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| /** IT tests to cover tables chunk splitter process. */ | ||
| class OracleChunkSplitterTest extends OracleSourceTestBase { | ||
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| @Test | ||
| void testIsChunkEndGeMax_Rowid_Case() throws SQLException { | ||
| String a = "AAAzIdACKAAABWCAAA"; | ||
| String b = "AAAzIdAC/AACWIPAAB"; | ||
| rowidGeMaxCheck(a, b, true); | ||
| } | ||
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| @Test | ||
| void testIsChunkEndLeMax_Rowid_Case() throws SQLException { | ||
| String a = "AAAzIdACKAAABWCAAA"; | ||
| String b = "AAAzIdAC/AACWIPAAB"; | ||
| rowidLeMaxCheck(a, b, true); | ||
| } | ||
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| private void rowidGeMaxCheck(String chunkEndStr, String maxStr, boolean expected) | ||
| throws SQLException { | ||
| JdbcConfiguration jdbcConfig = | ||
| JdbcConfiguration.create() | ||
| .with(JdbcConfiguration.HOSTNAME, ORACLE_CONTAINER.getHost()) | ||
| .with(JdbcConfiguration.PORT, ORACLE_CONTAINER.getOraclePort()) | ||
| .with(JdbcConfiguration.USER, ORACLE_CONTAINER.getUsername()) | ||
| .with(JdbcConfiguration.PASSWORD, ORACLE_CONTAINER.getPassword()) | ||
| .with(JdbcConfiguration.DATABASE, ORACLE_CONTAINER.getDatabaseName()) | ||
| .build(); | ||
| JdbcConnection jdbc = OracleConnectionUtils.createOracleConnection(jdbcConfig); | ||
| ROWID chunkEnd = new ROWID(chunkEndStr); | ||
| ROWID max = new ROWID(maxStr); | ||
| ChunkSplitterState chunkSplitterState = new ChunkSplitterState(null, null, null); | ||
| OracleChunkSplitter splitter = new OracleChunkSplitter(null, null, chunkSplitterState); | ||
| assertTrue(splitter.isChunkEndGeMax(jdbc, chunkEnd, max, null) == expected); | ||
| } | ||
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| private void rowidLeMaxCheck(String chunkEndStr, String maxStr, boolean expected) | ||
| throws SQLException { | ||
| JdbcConfiguration jdbcConfig = | ||
| JdbcConfiguration.create() | ||
| .with(JdbcConfiguration.HOSTNAME, ORACLE_CONTAINER.getHost()) | ||
| .with(JdbcConfiguration.PORT, ORACLE_CONTAINER.getOraclePort()) | ||
| .with(JdbcConfiguration.USER, ORACLE_CONTAINER.getUsername()) | ||
| .with(JdbcConfiguration.PASSWORD, ORACLE_CONTAINER.getPassword()) | ||
| .with(JdbcConfiguration.DATABASE, ORACLE_CONTAINER.getDatabaseName()) | ||
| .build(); | ||
| JdbcConnection jdbc = OracleConnectionUtils.createOracleConnection(jdbcConfig); | ||
| ROWID chunkEnd = new ROWID(chunkEndStr); | ||
| ROWID max = new ROWID(maxStr); | ||
| ChunkSplitterState chunkSplitterState = new ChunkSplitterState(null, null, null); | ||
| OracleChunkSplitter splitter = new OracleChunkSplitter(null, null, chunkSplitterState); | ||
| assertTrue(splitter.isChunkEndLeMax(jdbc, chunkEnd, max, null) == expected); | ||
| } | ||
| } |
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Here we'd better to annotate
@Nullable JdbcConnection jdbcfor some dialect they do not need connection?