danepitkin commented on code in PR #38249: URL: https://github.com/apache/arrow/pull/38249#discussion_r1357170346
########## java/dataset/src/test/java/org/apache/arrow/dataset/TestAllTypes.java: ########## @@ -0,0 +1,265 @@ +/* + * 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.arrow.dataset; + +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; + +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; + +public class TestAllTypes extends TestDataset { + + @ClassRule + public static final TemporaryFolder TMP = new TemporaryFolder(); + + private static final String PARQUET_ALLTYPES_FILE = "referencefiles/alltypes/parquet/data_0"; + + 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. Review Comment: Do you mind filing an issue for Map and adding the `GH-#` to the comments? SpareUnion is technically not supported yet similar to DenseUnion AFAIK. Not sure why it throws a different error.. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
