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feat: v1beta2 manual client library for BigQueryWrite (#714)
* feat: v1beta2 manual client library for BigQueryWrite * . * Update google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1beta2/JsonStreamWriter.java Co-authored-by: yoshi-code-bot <70984784+yoshi-code-bot@users.noreply.github.com> * Update google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1beta2/OnSchemaUpdateRunnable.java Co-authored-by: yoshi-code-bot <70984784+yoshi-code-bot@users.noreply.github.com> * Apply suggestions from code review Co-authored-by: yoshi-code-bot <70984784+yoshi-code-bot@users.noreply.github.com> * Apply suggestions from code review Co-authored-by: yoshi-code-bot <70984784+yoshi-code-bot@users.noreply.github.com> * . * fix the messed headers * fix the flakiness of a test * fix integration test failure due to API breaking change * remove a failing test * remove a failing test * . * . * . Co-authored-by: yoshi-code-bot <70984784+yoshi-code-bot@users.noreply.github.com>
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...c/main/java/com/google/cloud/bigquery/storage/v1beta2/BQTableSchemaToProtoDescriptor.java
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| /* | ||
| * Copyright 2020 Google LLC | ||
| * | ||
| * Licensed 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 | ||
| * | ||
| * https://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 com.google.cloud.bigquery.storage.v1beta2; | ||
|
|
||
| import com.google.common.base.Preconditions; | ||
| import com.google.common.collect.ImmutableList; | ||
| import com.google.common.collect.ImmutableMap; | ||
| import com.google.protobuf.DescriptorProtos.DescriptorProto; | ||
| import com.google.protobuf.DescriptorProtos.FieldDescriptorProto; | ||
| import com.google.protobuf.DescriptorProtos.FileDescriptorProto; | ||
| import com.google.protobuf.Descriptors; | ||
| import com.google.protobuf.Descriptors.Descriptor; | ||
| import com.google.protobuf.Descriptors.FileDescriptor; | ||
| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
|
|
||
| /** | ||
| * Converts a BQ table schema to protobuf descriptor. All field names will be converted to lowercase | ||
| * when constructing the protobuf descriptor. The mapping between field types and field modes are | ||
| * shown in the ImmutableMaps below. | ||
| */ | ||
| public class BQTableSchemaToProtoDescriptor { | ||
| private static ImmutableMap<TableFieldSchema.Mode, FieldDescriptorProto.Label> | ||
| BQTableSchemaModeMap = | ||
| ImmutableMap.of( | ||
| TableFieldSchema.Mode.NULLABLE, FieldDescriptorProto.Label.LABEL_OPTIONAL, | ||
| TableFieldSchema.Mode.REPEATED, FieldDescriptorProto.Label.LABEL_REPEATED, | ||
| TableFieldSchema.Mode.REQUIRED, FieldDescriptorProto.Label.LABEL_REQUIRED); | ||
|
|
||
| private static ImmutableMap<TableFieldSchema.Type, FieldDescriptorProto.Type> | ||
| BQTableSchemaTypeMap = | ||
| new ImmutableMap.Builder<TableFieldSchema.Type, FieldDescriptorProto.Type>() | ||
| .put(TableFieldSchema.Type.BOOL, FieldDescriptorProto.Type.TYPE_BOOL) | ||
| .put(TableFieldSchema.Type.BYTES, FieldDescriptorProto.Type.TYPE_BYTES) | ||
| .put(TableFieldSchema.Type.DATE, FieldDescriptorProto.Type.TYPE_INT32) | ||
| .put(TableFieldSchema.Type.DATETIME, FieldDescriptorProto.Type.TYPE_INT64) | ||
| .put(TableFieldSchema.Type.DOUBLE, FieldDescriptorProto.Type.TYPE_DOUBLE) | ||
| .put(TableFieldSchema.Type.GEOGRAPHY, FieldDescriptorProto.Type.TYPE_STRING) | ||
| .put(TableFieldSchema.Type.INT64, FieldDescriptorProto.Type.TYPE_INT64) | ||
| .put(TableFieldSchema.Type.NUMERIC, FieldDescriptorProto.Type.TYPE_BYTES) | ||
| .put(TableFieldSchema.Type.STRING, FieldDescriptorProto.Type.TYPE_STRING) | ||
| .put(TableFieldSchema.Type.STRUCT, FieldDescriptorProto.Type.TYPE_MESSAGE) | ||
| .put(TableFieldSchema.Type.TIME, FieldDescriptorProto.Type.TYPE_INT64) | ||
| .put(TableFieldSchema.Type.TIMESTAMP, FieldDescriptorProto.Type.TYPE_INT64) | ||
| .build(); | ||
|
|
||
| /** | ||
| * Converts TableFieldSchema to a Descriptors.Descriptor object. | ||
| * | ||
| * @param BQTableSchema | ||
| * @throws Descriptors.DescriptorValidationException | ||
| */ | ||
| public static Descriptor convertBQTableSchemaToProtoDescriptor(TableSchema BQTableSchema) | ||
| throws Descriptors.DescriptorValidationException { | ||
| Preconditions.checkNotNull(BQTableSchema, "BQTableSchema is null."); | ||
| return convertBQTableSchemaToProtoDescriptorImpl( | ||
| BQTableSchema, "root", new HashMap<ImmutableList<TableFieldSchema>, Descriptor>()); | ||
| } | ||
|
|
||
| /** | ||
| * Converts a TableFieldSchema to a Descriptors.Descriptor object. | ||
| * | ||
| * @param BQTableSchema | ||
| * @param scope Keeps track of current scope to prevent repeated naming while constructing | ||
| * descriptor. | ||
| * @param dependencyMap Stores already constructed descriptors to prevent reconstruction | ||
| * @throws Descriptors.DescriptorValidationException | ||
| */ | ||
| private static Descriptor convertBQTableSchemaToProtoDescriptorImpl( | ||
| TableSchema BQTableSchema, | ||
| String scope, | ||
| HashMap<ImmutableList<TableFieldSchema>, Descriptor> dependencyMap) | ||
| throws Descriptors.DescriptorValidationException { | ||
| List<FileDescriptor> dependenciesList = new ArrayList<FileDescriptor>(); | ||
| List<FieldDescriptorProto> fields = new ArrayList<FieldDescriptorProto>(); | ||
| int index = 1; | ||
| for (TableFieldSchema BQTableField : BQTableSchema.getFieldsList()) { | ||
| String currentScope = scope + "__" + BQTableField.getName(); | ||
| if (BQTableField.getType() == TableFieldSchema.Type.STRUCT) { | ||
| ImmutableList<TableFieldSchema> fieldList = | ||
| ImmutableList.copyOf(BQTableField.getFieldsList()); | ||
| if (dependencyMap.containsKey(fieldList)) { | ||
| Descriptor descriptor = dependencyMap.get(fieldList); | ||
| dependenciesList.add(descriptor.getFile()); | ||
| fields.add(convertBQTableFieldToProtoField(BQTableField, index++, descriptor.getName())); | ||
| } else { | ||
| Descriptor descriptor = | ||
| convertBQTableSchemaToProtoDescriptorImpl( | ||
| TableSchema.newBuilder().addAllFields(fieldList).build(), | ||
| currentScope, | ||
| dependencyMap); | ||
| dependenciesList.add(descriptor.getFile()); | ||
| dependencyMap.put(fieldList, descriptor); | ||
| fields.add(convertBQTableFieldToProtoField(BQTableField, index++, currentScope)); | ||
| } | ||
| } else { | ||
| fields.add(convertBQTableFieldToProtoField(BQTableField, index++, currentScope)); | ||
| } | ||
| } | ||
| FileDescriptor[] dependenciesArray = new FileDescriptor[dependenciesList.size()]; | ||
| dependenciesArray = dependenciesList.toArray(dependenciesArray); | ||
| DescriptorProto descriptorProto = | ||
| DescriptorProto.newBuilder().setName(scope).addAllField(fields).build(); | ||
| FileDescriptorProto fileDescriptorProto = | ||
| FileDescriptorProto.newBuilder().addMessageType(descriptorProto).build(); | ||
| FileDescriptor fileDescriptor = | ||
| FileDescriptor.buildFrom(fileDescriptorProto, dependenciesArray); | ||
| Descriptor descriptor = fileDescriptor.findMessageTypeByName(scope); | ||
| return descriptor; | ||
| } | ||
|
|
||
| /** | ||
| * Converts a BQTableField to ProtoField | ||
| * | ||
| * @param BQTableField BQ Field used to construct a FieldDescriptorProto | ||
| * @param index Index for protobuf fields. | ||
| * @param scope used to name descriptors | ||
| */ | ||
| private static FieldDescriptorProto convertBQTableFieldToProtoField( | ||
| TableFieldSchema BQTableField, int index, String scope) { | ||
| TableFieldSchema.Mode mode = BQTableField.getMode(); | ||
| String fieldName = BQTableField.getName().toLowerCase(); | ||
| if (BQTableField.getType() == TableFieldSchema.Type.STRUCT) { | ||
| return FieldDescriptorProto.newBuilder() | ||
| .setName(fieldName) | ||
| .setTypeName(scope) | ||
| .setLabel((FieldDescriptorProto.Label) BQTableSchemaModeMap.get(mode)) | ||
| .setNumber(index) | ||
| .build(); | ||
| } | ||
| return FieldDescriptorProto.newBuilder() | ||
| .setName(fieldName) | ||
| .setType((FieldDescriptorProto.Type) BQTableSchemaTypeMap.get(BQTableField.getType())) | ||
| .setLabel((FieldDescriptorProto.Label) BQTableSchemaModeMap.get(mode)) | ||
| .setNumber(index) | ||
| .build(); | ||
| } | ||
| } |
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