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[core] Expose method to get PartitionEntries from TableScan (apache#4011
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paimon-core/src/test/java/org/apache/paimon/table/FallbackReadFileStoreTableTest.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.paimon.table; | ||
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| import org.apache.paimon.CoreOptions; | ||
| import org.apache.paimon.data.InternalRow; | ||
| import org.apache.paimon.fs.FileIO; | ||
| import org.apache.paimon.fs.FileIOFinder; | ||
| import org.apache.paimon.fs.Path; | ||
| import org.apache.paimon.fs.local.LocalFileIO; | ||
| import org.apache.paimon.manifest.PartitionEntry; | ||
| import org.apache.paimon.options.Options; | ||
| import org.apache.paimon.schema.Schema; | ||
| import org.apache.paimon.schema.SchemaManager; | ||
| import org.apache.paimon.schema.SchemaUtils; | ||
| import org.apache.paimon.schema.TableSchema; | ||
| import org.apache.paimon.table.sink.StreamTableCommit; | ||
| import org.apache.paimon.table.sink.StreamTableWrite; | ||
| import org.apache.paimon.types.DataType; | ||
| import org.apache.paimon.types.DataTypes; | ||
| import org.apache.paimon.types.RowType; | ||
| import org.apache.paimon.utils.Pair; | ||
| import org.apache.paimon.utils.TraceableFileIO; | ||
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| import org.junit.jupiter.api.BeforeEach; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.junit.jupiter.api.io.TempDir; | ||
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| import java.util.Collections; | ||
| import java.util.List; | ||
| import java.util.UUID; | ||
| import java.util.stream.Collectors; | ||
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| import static org.apache.paimon.table.SchemaEvolutionTableTestBase.rowData; | ||
| import static org.assertj.core.api.Assertions.assertThat; | ||
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| /** Tests for {@link FallbackReadFileStoreTable}. */ | ||
| public class FallbackReadFileStoreTableTest { | ||
| private static final RowType ROW_TYPE = | ||
| RowType.of( | ||
| new DataType[] { | ||
| DataTypes.INT(), DataTypes.INT(), | ||
| }, | ||
| new String[] {"pt", "a"}); | ||
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| @TempDir java.nio.file.Path tempDir; | ||
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| private Path tablePath; | ||
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| private String commitUser; | ||
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| private FileIO fileIO; | ||
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| @BeforeEach | ||
| public void before() { | ||
| tablePath = new Path(TraceableFileIO.SCHEME + "://" + tempDir.toString()); | ||
| commitUser = UUID.randomUUID().toString(); | ||
| fileIO = FileIOFinder.find(tablePath); | ||
| } | ||
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| @Test | ||
| public void testListPartitions() throws Exception { | ||
| String branchName = "bc"; | ||
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| FileStoreTable mainTable = createTable(); | ||
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| // write data into partition 1 and 2. | ||
| writeDataIntoTable(mainTable, 0, rowData(1, 10), rowData(2, 20)); | ||
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| mainTable.createBranch(branchName); | ||
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| FileStoreTable branchTable = createTableFromBranch(mainTable, branchName); | ||
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| // write data into partition for branch only | ||
| writeDataIntoTable(branchTable, 0, rowData(3, 60)); | ||
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| FallbackReadFileStoreTable fallbackTable = | ||
| new FallbackReadFileStoreTable(mainTable, branchTable); | ||
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| List<Integer> partitionsFromMainTable = | ||
| mainTable.newScan().listPartitions().stream() | ||
| .map(row -> row.getInt(0)) | ||
| .collect(Collectors.toList()); | ||
| assertThat(partitionsFromMainTable).containsExactlyInAnyOrder(1, 2); | ||
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| List<Integer> partitionsFromFallbackTable = | ||
| fallbackTable.newScan().listPartitions().stream() | ||
| .map(row -> row.getInt(0)) | ||
| .collect(Collectors.toList()); | ||
| // this should contain all partitions | ||
| assertThat(partitionsFromFallbackTable).containsExactlyInAnyOrder(1, 2, 3); | ||
| } | ||
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| @Test | ||
| public void testListPartitionEntries() throws Exception { | ||
| String branchName = "bc"; | ||
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| FileStoreTable mainTable = createTable(); | ||
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| // write data into partition 1 and 2. | ||
| writeDataIntoTable(mainTable, 0, rowData(1, 10), rowData(1, 30), rowData(2, 20)); | ||
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| mainTable.createBranch(branchName); | ||
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| FileStoreTable branchTable = createTableFromBranch(mainTable, branchName); | ||
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| // write data into partition for branch only | ||
| writeDataIntoTable(branchTable, 0, rowData(1, 50), rowData(3, 60), rowData(4, 70)); | ||
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| FallbackReadFileStoreTable fallbackTable = | ||
| new FallbackReadFileStoreTable(mainTable, branchTable); | ||
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| List<PartitionEntry> partitionEntries = mainTable.newScan().listPartitionEntries(); | ||
| assertThat(partitionEntries) | ||
| .map(e -> e.partition().getInt(0)) | ||
| .containsExactlyInAnyOrder(1, 2); | ||
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| List<PartitionEntry> fallbackPartitionEntries = | ||
| fallbackTable.newScan().listPartitionEntries(); | ||
| assertThat(fallbackPartitionEntries) | ||
| .map(e -> Pair.of(e.partition().getInt(0), e.recordCount())) | ||
| .containsExactlyInAnyOrder( | ||
| Pair.of(1, 2L), Pair.of(2, 1L), Pair.of(3, 1L), Pair.of(4, 1L)); | ||
| } | ||
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| private void writeDataIntoTable( | ||
| FileStoreTable table, long commitIdentifier, InternalRow... allData) throws Exception { | ||
| StreamTableWrite write = table.newWrite(commitUser); | ||
| StreamTableCommit commit = table.newCommit(commitUser); | ||
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| for (InternalRow data : allData) { | ||
| write.write(data); | ||
| } | ||
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| commit.commit(commitIdentifier, write.prepareCommit(false, commitIdentifier)); | ||
| write.close(); | ||
| commit.close(); | ||
| } | ||
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| private AppendOnlyFileStoreTable createTable() throws Exception { | ||
| TableSchema tableSchema = | ||
| SchemaUtils.forceCommit( | ||
| new SchemaManager(LocalFileIO.create(), tablePath), | ||
| new Schema( | ||
| ROW_TYPE.getFields(), | ||
| Collections.singletonList("pt"), | ||
| Collections.emptyList(), | ||
| Collections.emptyMap(), | ||
| "")); | ||
| return new AppendOnlyFileStoreTable(fileIO, tablePath, tableSchema); | ||
| } | ||
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| private FileStoreTable createTableFromBranch(FileStoreTable baseTable, String branchName) { | ||
| Options options = new Options(baseTable.options()); | ||
| options.set(CoreOptions.BRANCH, branchName); | ||
| return new AppendOnlyFileStoreTable( | ||
| fileIO, | ||
| tablePath, | ||
| new SchemaManager(fileIO, tablePath, branchName).latest().get()) | ||
| .copy(options.toMap()); | ||
| } | ||
| } |
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