Spark: Test reading default values in Spark #11832
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,126 @@ | ||
| /* | ||
| * 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.iceberg; | ||
|
|
||
| import static org.apache.iceberg.types.Types.NestedField.optional; | ||
| import static org.apache.iceberg.types.Types.NestedField.required; | ||
| import static org.assertj.core.api.Assertions.assertThat; | ||
|
|
||
| import java.io.IOException; | ||
| import java.math.BigDecimal; | ||
| import java.nio.ByteBuffer; | ||
| import java.util.UUID; | ||
| import java.util.stream.Stream; | ||
| import org.apache.iceberg.avro.AvroDataTest; | ||
| import org.apache.iceberg.relocated.com.google.common.collect.Lists; | ||
| import org.apache.iceberg.relocated.com.google.common.collect.Sets; | ||
| import org.apache.iceberg.types.Type; | ||
| import org.apache.iceberg.types.Types; | ||
| import org.apache.iceberg.util.DateTimeUtil; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.junit.jupiter.params.ParameterizedTest; | ||
| import org.junit.jupiter.params.provider.Arguments; | ||
| import org.junit.jupiter.params.provider.MethodSource; | ||
|
|
||
| public class TestSchemaParser extends AvroDataTest { | ||
| @Override | ||
| protected void writeAndValidate(Schema schema) throws IOException { | ||
| Schema serialized = SchemaParser.fromJson(SchemaParser.toJson(schema)); | ||
| assertThat(serialized.asStruct()).isEqualTo(schema.asStruct()); | ||
| } | ||
|
|
||
| @Test | ||
| public void testSchemaId() { | ||
| Schema schema = new Schema(34, required(1, "id", Types.LongType.get())); | ||
|
|
||
| Schema serialized = SchemaParser.fromJson(SchemaParser.toJson(schema)); | ||
| assertThat(serialized.schemaId()).isEqualTo(schema.schemaId()); | ||
| } | ||
|
|
||
| @Test | ||
| public void testIdentifierColumns() { | ||
| Schema schema = | ||
| new Schema( | ||
| Lists.newArrayList( | ||
| required(1, "id-1", Types.LongType.get()), | ||
| required(2, "id-2", Types.LongType.get()), | ||
| optional(3, "data", Types.StringType.get())), | ||
| Sets.newHashSet(1, 2)); | ||
|
|
||
| Schema serialized = SchemaParser.fromJson(SchemaParser.toJson(schema)); | ||
| assertThat(serialized.identifierFieldIds()).isEqualTo(Sets.newHashSet(1, 2)); | ||
| } | ||
|
|
||
| @Test | ||
| public void testDocStrings() { | ||
| Schema schema = | ||
| new Schema( | ||
| required(1, "id", Types.LongType.get(), "unique identifier"), | ||
| Types.NestedField.optional("data") | ||
| .withId(2) | ||
| .ofType(Types.StringType.get()) | ||
| .withDoc("payload") | ||
| .build()); | ||
|
|
||
| Schema serialized = SchemaParser.fromJson(SchemaParser.toJson(schema)); | ||
| assertThat(serialized.findField("id").doc()).isEqualTo("unique identifier"); | ||
| assertThat(serialized.findField("data").doc()).isEqualTo("payload"); | ||
| } | ||
|
|
||
| private static Stream<Arguments> primitiveTypesAndDefaults() { | ||
| return Stream.of( | ||
| Arguments.of(Types.BooleanType.get(), false), | ||
| Arguments.of(Types.IntegerType.get(), 34), | ||
| Arguments.of(Types.LongType.get(), 4900000000L), | ||
| Arguments.of(Types.FloatType.get(), 12.21F), | ||
| Arguments.of(Types.DoubleType.get(), -0.0D), | ||
| Arguments.of(Types.DateType.get(), DateTimeUtil.isoDateToDays("2024-12-17")), | ||
| // Arguments.of(Types.TimeType.get(), DateTimeUtil.isoTimeToMicros("23:59:59.999999")), | ||
| Arguments.of( | ||
| Types.TimestampType.withZone(), | ||
| DateTimeUtil.isoTimestamptzToMicros("2024-12-17T23:59:59.999999+00:00")), | ||
| Arguments.of( | ||
| Types.TimestampType.withoutZone(), | ||
| DateTimeUtil.isoTimestampToMicros("2024-12-17T23:59:59.999999")), | ||
| Arguments.of(Types.StringType.get(), "iceberg"), | ||
| Arguments.of(Types.UUIDType.get(), UUID.randomUUID()), | ||
| Arguments.of( | ||
| Types.FixedType.ofLength(4), ByteBuffer.wrap(new byte[] {0x0a, 0x0b, 0x0c, 0x0d})), | ||
| Arguments.of(Types.BinaryType.get(), ByteBuffer.wrap(new byte[] {0x0a, 0x0b})), | ||
| Arguments.of(Types.DecimalType.of(9, 2), new BigDecimal("12.34"))); | ||
| } | ||
|
|
||
| @ParameterizedTest | ||
| @MethodSource("primitiveTypesAndDefaults") | ||
| public void testPrimitiveTypeDefaultValues(Type.PrimitiveType type, Object defaultValue) { | ||
| Schema schema = | ||
| new Schema( | ||
| required(1, "id", Types.LongType.get()), | ||
| Types.NestedField.required("col_with_default") | ||
| .withId(2) | ||
| .ofType(type) | ||
| .withInitialDefault(defaultValue) | ||
| .withWriteDefault(defaultValue) | ||
| .build()); | ||
|
|
||
| Schema serialized = SchemaParser.fromJson(SchemaParser.toJson(schema)); | ||
| assertThat(serialized.findField("col_with_default").initialDefault()).isEqualTo(defaultValue); | ||
| assertThat(serialized.findField("col_with_default").writeDefault()).isEqualTo(defaultValue); | ||
| } | ||
| } |
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This was needed to validate the reader failure in
testMissingRequiredWithoutDefaultin Spark scans because the failure happens on executors and is wrapped inSparkExceptionwhen it is thrown on the driver.