Update portable schema representation and java SchemaTranslation #8853
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| /* | ||
| * 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.beam.runners.core.construction; | ||
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||
| import static org.hamcrest.Matchers.equalTo; | ||
| import static org.junit.Assert.assertThat; | ||
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| import org.apache.beam.model.pipeline.v1.RunnerApi; | ||
| import org.apache.beam.sdk.schemas.Schema; | ||
| import org.apache.beam.sdk.schemas.Schema.Field; | ||
| import org.apache.beam.sdk.schemas.Schema.FieldType; | ||
| import org.apache.beam.vendor.guava.v20_0.com.google.common.collect.ImmutableList; | ||
| import org.junit.Test; | ||
| import org.junit.runner.RunWith; | ||
| import org.junit.runners.Parameterized; | ||
| import org.junit.runners.Parameterized.Parameter; | ||
| import org.junit.runners.Parameterized.Parameters; | ||
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|
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| /** Tests for {@link SchemaTranslation}. */ | ||
| public class SchemaTranslationTest { | ||
|
|
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| /** Tests round-trip proto encodings for {@link Schema}. */ | ||
| @RunWith(Parameterized.class) | ||
| public static class ToFromProtoTest { | ||
| @Parameters(name = "{index}: {0}") | ||
| public static Iterable<Schema> data() { | ||
| return ImmutableList.<Schema>builder() | ||
| .add(Schema.of(Field.of("string", FieldType.STRING))) | ||
| .add( | ||
| Schema.of( | ||
| Field.of("boolean", FieldType.BOOLEAN), | ||
| Field.of("byte", FieldType.BYTE), | ||
| Field.of("int16", FieldType.INT16), | ||
| Field.of("int32", FieldType.INT32), | ||
| Field.of("int64", FieldType.INT64))) | ||
| .add( | ||
| Schema.of( | ||
| Field.of( | ||
| "row", | ||
| FieldType.row( | ||
| Schema.of( | ||
| Field.of("foo", FieldType.STRING), | ||
| Field.of("bar", FieldType.DOUBLE), | ||
| Field.of("baz", FieldType.BOOLEAN)))))) | ||
| .add( | ||
| Schema.of( | ||
| Field.of( | ||
| "array(array(int64)))", | ||
| FieldType.array(FieldType.array(FieldType.INT64.withNullable(true)))))) | ||
| .add( | ||
| Schema.of( | ||
| Field.of("nullable", FieldType.STRING.withNullable(true)), | ||
| Field.of("non_nullable", FieldType.STRING.withNullable(false)))) | ||
| .add( | ||
| Schema.of( | ||
| Field.of("decimal", FieldType.DECIMAL), Field.of("datetime", FieldType.DATETIME))) | ||
| // Test for when Logical types are supported | ||
| // .add(Schema.of(Field.of("logical", | ||
| // FieldType.logicalType(LogicalTypes.FixedBytes.of(24))))) | ||
| .build(); | ||
| } | ||
|
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| @Parameter(0) | ||
| public Schema schema; | ||
|
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| @Test | ||
| public void toAndFromProto() throws Exception { | ||
| RunnerApi.Schema schemaProto = SchemaTranslation.toProto(schema); | ||
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| Schema decodedSchema = SchemaTranslation.fromProto(schemaProto); | ||
| assertThat(decodedSchema, equalTo(schema)); | ||
| } | ||
| } | ||
| } |
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Isn't 0 in an enum supposed to be reserved for unknown? It is wise, because of defaulting in proto libs.
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Yes, to my knowledge specifically adding an UNSPECIFIED with a value of 0 will make this clearer.
For example:
beam/model/pipeline/src/main/proto/beam_runner_api.proto
Line 451 in eb5a8c2
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Done.