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apacheGH-37943: [Java] Add parquet file with all supported types
Add a reference file with all supported types and corresponding test case to validate that the Dataset API generates this consistently.
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java/dataset/src/test/java/org/apache/arrow/dataset/TestAllTypes.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.arrow.dataset; | ||
|
|
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| import java.io.ByteArrayOutputStream; | ||
| import java.io.File; | ||
| import java.io.IOException; | ||
| import java.nio.channels.Channels; | ||
| import java.nio.channels.SeekableByteChannel; | ||
| import java.nio.channels.WritableByteChannel; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Path; | ||
| import java.util.ArrayList; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
| import java.util.Objects; | ||
|
|
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| import org.apache.arrow.dataset.file.DatasetFileWriter; | ||
| import org.apache.arrow.dataset.file.FileFormat; | ||
| import org.apache.arrow.memory.BufferAllocator; | ||
| import org.apache.arrow.vector.BigIntVector; | ||
| import org.apache.arrow.vector.BitVector; | ||
| import org.apache.arrow.vector.DateMilliVector; | ||
| import org.apache.arrow.vector.Decimal256Vector; | ||
| import org.apache.arrow.vector.DecimalVector; | ||
| import org.apache.arrow.vector.DurationVector; | ||
| import org.apache.arrow.vector.FixedSizeBinaryVector; | ||
| import org.apache.arrow.vector.Float4Vector; | ||
| import org.apache.arrow.vector.Float8Vector; | ||
| import org.apache.arrow.vector.IntVector; | ||
| import org.apache.arrow.vector.LargeVarBinaryVector; | ||
| import org.apache.arrow.vector.LargeVarCharVector; | ||
| import org.apache.arrow.vector.SmallIntVector; | ||
| import org.apache.arrow.vector.TimeMilliVector; | ||
| import org.apache.arrow.vector.TimeNanoVector; | ||
| import org.apache.arrow.vector.TimeStampMilliTZVector; | ||
| import org.apache.arrow.vector.TimeStampMilliVector; | ||
| import org.apache.arrow.vector.TimeStampNanoTZVector; | ||
| import org.apache.arrow.vector.TimeStampNanoVector; | ||
| import org.apache.arrow.vector.TinyIntVector; | ||
| import org.apache.arrow.vector.UInt1Vector; | ||
| import org.apache.arrow.vector.UInt2Vector; | ||
| import org.apache.arrow.vector.UInt4Vector; | ||
| import org.apache.arrow.vector.UInt8Vector; | ||
| import org.apache.arrow.vector.VarBinaryVector; | ||
| import org.apache.arrow.vector.VarCharVector; | ||
| import org.apache.arrow.vector.VectorSchemaRoot; | ||
| import org.apache.arrow.vector.complex.FixedSizeListVector; | ||
| import org.apache.arrow.vector.complex.LargeListVector; | ||
| import org.apache.arrow.vector.complex.ListVector; | ||
| import org.apache.arrow.vector.complex.StructVector; | ||
| import org.apache.arrow.vector.complex.impl.UnionFixedSizeListWriter; | ||
| import org.apache.arrow.vector.complex.impl.UnionLargeListWriter; | ||
| import org.apache.arrow.vector.complex.impl.UnionListWriter; | ||
| import org.apache.arrow.vector.ipc.ArrowStreamReader; | ||
| import org.apache.arrow.vector.ipc.ArrowStreamWriter; | ||
| import org.apache.arrow.vector.types.DateUnit; | ||
| import org.apache.arrow.vector.types.FloatingPointPrecision; | ||
| import org.apache.arrow.vector.types.TimeUnit; | ||
| import org.apache.arrow.vector.types.pojo.ArrowType; | ||
| import org.apache.arrow.vector.types.pojo.Field; | ||
| import org.apache.arrow.vector.types.pojo.FieldType; | ||
| import org.apache.arrow.vector.types.pojo.Schema; | ||
| import org.apache.arrow.vector.util.ByteArrayReadableSeekableByteChannel; | ||
| import org.apache.arrow.vector.util.Text; | ||
| import org.junit.ClassRule; | ||
| import org.junit.Test; | ||
| import org.junit.rules.TemporaryFolder; | ||
|
|
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| public class TestAllTypes extends TestDataset { | ||
|
|
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| @ClassRule | ||
| public static final TemporaryFolder TMP = new TemporaryFolder(); | ||
|
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| private static final String PARQUET_ALLTYPES_FILE = "referencefiles/alltypes/parquet/data_0"; | ||
|
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| private VectorSchemaRoot generateAllTypesVector(BufferAllocator allocator) { | ||
| // Notes: | ||
| // - Float16 is not supported by Java. | ||
| // - IntervalMonthDayNano is not supported by Parquet. | ||
| // - SparseUnion and Map are resulting in serialization errors when writing with the Dataset API. | ||
| // "Unhandled type for Arrow to Parquet schema conversion" errors: IntervalDay, IntervalYear, DenseUnion | ||
| List<Field> childFields = new ArrayList<>(); | ||
| childFields.add(new Field("int-child", | ||
| new FieldType(false, new ArrowType.Int(32, true), null, null), null)); | ||
| Field structField = new Field("struct", | ||
| new FieldType(true, ArrowType.Struct.INSTANCE, null, null), childFields); | ||
| List<Field> fields = List.of( | ||
| Field.nullablePrimitive("null", ArrowType.Null.INSTANCE), | ||
| Field.nullablePrimitive("bool", ArrowType.Bool.INSTANCE), | ||
| Field.nullablePrimitive("int8", new ArrowType.Int(8, true)), | ||
| Field.nullablePrimitive("int16", new ArrowType.Int(16, true)), | ||
| Field.nullablePrimitive("int32", new ArrowType.Int(32, true)), | ||
| Field.nullablePrimitive("int64", new ArrowType.Int(64, true)), | ||
| Field.nullablePrimitive("uint8", new ArrowType.Int(8, false)), | ||
| Field.nullablePrimitive("uint16", new ArrowType.Int(16, false)), | ||
| Field.nullablePrimitive("uint32", new ArrowType.Int(32, false)), | ||
| Field.nullablePrimitive("uint64", new ArrowType.Int(64, false)), | ||
| Field.nullablePrimitive("float32", new ArrowType.FloatingPoint(FloatingPointPrecision.SINGLE)), | ||
| Field.nullablePrimitive("float64", new ArrowType.FloatingPoint(FloatingPointPrecision.DOUBLE)), | ||
| Field.nullablePrimitive("utf8", ArrowType.Utf8.INSTANCE), | ||
| Field.nullablePrimitive("binary", ArrowType.Binary.INSTANCE), | ||
| Field.nullablePrimitive("largeutf8", ArrowType.LargeUtf8.INSTANCE), | ||
| Field.nullablePrimitive("largebinary", ArrowType.LargeBinary.INSTANCE), | ||
| Field.nullablePrimitive("fixed_size_binary", new ArrowType.FixedSizeBinary(1)), | ||
| Field.nullablePrimitive("date_ms", new ArrowType.Date(DateUnit.MILLISECOND)), | ||
| Field.nullablePrimitive("time_ms", new ArrowType.Time(TimeUnit.MILLISECOND, 32)), | ||
| Field.nullablePrimitive("timestamp_ms", new ArrowType.Timestamp(TimeUnit.MILLISECOND, null)), | ||
| Field.nullablePrimitive("timestamptz_ms", new ArrowType.Timestamp(TimeUnit.MILLISECOND, "UTC")), | ||
| Field.nullablePrimitive("time_ns", new ArrowType.Time(TimeUnit.NANOSECOND, 64)), | ||
| Field.nullablePrimitive("timestamp_ns", new ArrowType.Timestamp(TimeUnit.NANOSECOND, null)), | ||
| Field.nullablePrimitive("timestamptz_ns", new ArrowType.Timestamp(TimeUnit.NANOSECOND, "UTC")), | ||
| Field.nullablePrimitive("duration", new ArrowType.Duration(TimeUnit.MILLISECOND)), | ||
| Field.nullablePrimitive("decimal128", new ArrowType.Decimal(10, 2, 128)), | ||
| Field.nullablePrimitive("decimal256", new ArrowType.Decimal(10, 2, 256)), | ||
| new Field("list", FieldType.nullable(ArrowType.List.INSTANCE), | ||
| Collections.singletonList(Field.nullable("items", new ArrowType.Int(32, true)))), | ||
| new Field("largelist", FieldType.nullable(ArrowType.LargeList.INSTANCE), | ||
| Collections.singletonList(Field.nullable("items", new ArrowType.Int(32, true)))), | ||
| new Field("fixedsizelist", FieldType.nullable(new ArrowType.FixedSizeList(2)), | ||
| Collections.singletonList(Field.nullable("items", new ArrowType.Int(32, true)))), | ||
| structField | ||
| ); | ||
| VectorSchemaRoot root = VectorSchemaRoot.create(new Schema(fields), allocator); | ||
| root.allocateNew(); | ||
| root.setRowCount(2); | ||
|
|
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| root.getVector("null").setNull(0); | ||
| root.getVector("bool").setNull(0); | ||
| root.getVector("int8").setNull(0); | ||
| root.getVector("int16").setNull(0); | ||
| root.getVector("int32").setNull(0); | ||
| root.getVector("int64").setNull(0); | ||
| root.getVector("uint8").setNull(0); | ||
| root.getVector("uint16").setNull(0); | ||
| root.getVector("uint32").setNull(0); | ||
| root.getVector("uint64").setNull(0); | ||
| root.getVector("float32").setNull(0); | ||
| root.getVector("float64").setNull(0); | ||
| root.getVector("utf8").setNull(0); | ||
| root.getVector("binary").setNull(0); | ||
| root.getVector("largeutf8").setNull(0); | ||
| root.getVector("largebinary").setNull(0); | ||
| root.getVector("fixed_size_binary").setNull(0); | ||
| root.getVector("date_ms").setNull(0); | ||
| root.getVector("time_ms").setNull(0); | ||
| root.getVector("time_ns").setNull(0); | ||
| root.getVector("timestamp_ms").setNull(0); | ||
| root.getVector("timestamp_ns").setNull(0); | ||
| root.getVector("timestamptz_ms").setNull(0); | ||
| root.getVector("timestamptz_ns").setNull(0); | ||
| root.getVector("duration").setNull(0); | ||
| root.getVector("decimal128").setNull(0); | ||
| root.getVector("decimal256").setNull(0); | ||
| root.getVector("fixedsizelist").setNull(0); | ||
| root.getVector("list").setNull(0); | ||
| root.getVector("largelist").setNull(0); | ||
| root.getVector("struct").setNull(0); | ||
|
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| root.getVector("null").setNull(1); | ||
| ((BitVector) root.getVector("bool")).set(1, 1); | ||
| ((TinyIntVector) root.getVector("int8")).set(1, 1); | ||
| ((SmallIntVector) root.getVector("int16")).set(1, 1); | ||
| ((IntVector) root.getVector("int32")).set(1, 1); | ||
| ((BigIntVector) root.getVector("int64")).set(1, 1); | ||
| ((UInt1Vector) root.getVector("uint8")).set(1, 1); | ||
| ((UInt2Vector) root.getVector("uint16")).set(1, 1); | ||
| ((UInt4Vector) root.getVector("uint32")).set(1, 1); | ||
| ((UInt8Vector) root.getVector("uint64")).set(1, 1); | ||
| ((Float4Vector) root.getVector("float32")).set(1, 1.0f); | ||
| ((Float8Vector) root.getVector("float64")).set(1, 1.0); | ||
| ((VarCharVector) root.getVector("utf8")).set(1, new Text("a")); | ||
| ((VarBinaryVector) root.getVector("binary")).set(1, new byte[] {0x01}); | ||
| ((LargeVarCharVector) root.getVector("largeutf8")).set(1, new Text("a")); | ||
| ((LargeVarBinaryVector) root.getVector("largebinary")).set(1, new byte[] {0x01}); | ||
| ((FixedSizeBinaryVector) root.getVector("fixed_size_binary")).set(1, new byte[] {0x01}); | ||
| ((DateMilliVector) root.getVector("date_ms")).set(1, 0); | ||
| ((TimeMilliVector) root.getVector("time_ms")).set(1, 0); | ||
| ((TimeNanoVector) root.getVector("time_ns")).set(1, 0); | ||
| ((TimeStampMilliVector) root.getVector("timestamp_ms")).set(1, 0); | ||
| ((TimeStampNanoVector) root.getVector("timestamp_ns")).set(1, 0); | ||
| ((TimeStampMilliTZVector) root.getVector("timestamptz_ms")).set(1, 0); | ||
| ((TimeStampNanoTZVector) root.getVector("timestamptz_ns")).set(1, 0); | ||
| ((DurationVector) root.getVector("duration")).set(1, 0); | ||
| ((DecimalVector) root.getVector("decimal128")).set(1, 0); | ||
| ((Decimal256Vector) root.getVector("decimal256")).set(1, 0); | ||
| UnionFixedSizeListWriter fixedListWriter = ((FixedSizeListVector) root.getVector("fixedsizelist")).getWriter(); | ||
| fixedListWriter.allocate(); | ||
| fixedListWriter.setPosition(1); | ||
| fixedListWriter.startList(); | ||
| fixedListWriter.integer().writeInt(1); | ||
| fixedListWriter.endList(); | ||
|
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| UnionListWriter listWriter = ((ListVector) root.getVector("list")).getWriter(); | ||
| listWriter.allocate(); | ||
| listWriter.setPosition(1); | ||
| listWriter.startList(); | ||
| listWriter.integer().writeInt(1); | ||
| listWriter.endList(); | ||
|
|
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| UnionLargeListWriter largeListWriter = ((LargeListVector) root.getVector("largelist")).getWriter(); | ||
| largeListWriter.allocate(); | ||
| largeListWriter.setPosition(1); | ||
| largeListWriter.startList(); | ||
| largeListWriter.integer().writeInt(1); | ||
| largeListWriter.endList(); | ||
|
|
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| ((StructVector) root.getVector("struct")).getChild("int-child", IntVector.class).set(1, 1); | ||
| return root; | ||
| } | ||
|
|
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| private byte[] serializeFile(VectorSchemaRoot root) { | ||
| try ( | ||
| ByteArrayOutputStream out = new ByteArrayOutputStream(); | ||
| WritableByteChannel channel = Channels.newChannel(out); | ||
| ArrowStreamWriter writer = new ArrowStreamWriter(root, null, channel) | ||
| ) { | ||
| writer.start(); | ||
| writer.writeBatch(); | ||
| writer.end(); | ||
| return out.toByteArray(); | ||
| } catch (IOException e) { | ||
| throw new IllegalArgumentException("Failed to serialize arrow file", e); | ||
| } | ||
| } | ||
|
|
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| @Test | ||
| public void testAllTypesParquet() throws Exception { | ||
| try (VectorSchemaRoot root = generateAllTypesVector(rootAllocator())) { | ||
| byte[] featherData = serializeFile(root); | ||
| try (SeekableByteChannel channel = new ByteArrayReadableSeekableByteChannel(featherData)) { | ||
| try (ArrowStreamReader reader = new ArrowStreamReader(channel, rootAllocator())) { | ||
| TMP.create(); | ||
| final File writtenFolder = TMP.newFolder(); | ||
| final String writtenParquet = writtenFolder.toURI().toString(); | ||
| DatasetFileWriter.write(rootAllocator(), reader, FileFormat.PARQUET, | ||
| writtenParquet); | ||
|
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| // Load the reference file from the test resources and write to a temporary file on the OS. | ||
| byte[] referenceParquetBytes = Files.readAllBytes(Path.of(TestAllTypes.class.getClassLoader() | ||
| .getResource(PARQUET_ALLTYPES_FILE).toURI())); | ||
| File extractedReferenceFile = TMP.newFile(); | ||
| Files.write(extractedReferenceFile.toPath(), referenceParquetBytes); | ||
| assertParquetFileEquals(extractedReferenceFile.toURI().toString(), | ||
| Objects.requireNonNull(writtenFolder.listFiles())[0].toURI().toString()); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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java/dataset/src/test/resources/referencefiles/alltypes/parquet/data_0
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