From 5ff60fe48e2c893bd5daf14eb8e6e14c003571d7 Mon Sep 17 00:00:00 2001
From: Yiru Tang <yiru@google.com>
Date: Wed, 8 Feb 2023 01:23:55 +0000
Subject: [PATCH] .

---
 .../BqToBqStorageSchemaConverter.java         | 88 -------------------
 1 file changed, 88 deletions(-)
 delete mode 100644 samples/snippets/src/main/java/com/example/bigquerystorage/BqToBqStorageSchemaConverter.java

diff --git a/samples/snippets/src/main/java/com/example/bigquerystorage/BqToBqStorageSchemaConverter.java b/samples/snippets/src/main/java/com/example/bigquerystorage/BqToBqStorageSchemaConverter.java
deleted file mode 100644
index 27c5d1dbcb..0000000000
--- a/samples/snippets/src/main/java/com/example/bigquerystorage/BqToBqStorageSchemaConverter.java
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * Copyright 2021 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
- *
- * 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 com.example.bigquerystorage;
-
-import com.google.cloud.bigquery.Field;
-import com.google.cloud.bigquery.Schema;
-import com.google.cloud.bigquery.StandardSQLTypeName;
-import com.google.cloud.bigquery.storage.v1.TableFieldSchema;
-import com.google.cloud.bigquery.storage.v1.TableSchema;
-import com.google.common.collect.ImmutableMap;
-
-/** Converts structure from BigQuery client to BigQueryStorage client */
-public class BqToBqStorageSchemaConverter {
-  private static ImmutableMap<Field.Mode, TableFieldSchema.Mode> BQTableSchemaModeMap =
-      ImmutableMap.of(
-          Field.Mode.NULLABLE, TableFieldSchema.Mode.NULLABLE,
-          Field.Mode.REPEATED, TableFieldSchema.Mode.REPEATED,
-          Field.Mode.REQUIRED, TableFieldSchema.Mode.REQUIRED);
-
-  private static ImmutableMap<StandardSQLTypeName, TableFieldSchema.Type> BQTableSchemaTypeMap =
-      new ImmutableMap.Builder<StandardSQLTypeName, TableFieldSchema.Type>()
-          .put(StandardSQLTypeName.BOOL, TableFieldSchema.Type.BOOL)
-          .put(StandardSQLTypeName.BYTES, TableFieldSchema.Type.BYTES)
-          .put(StandardSQLTypeName.DATE, TableFieldSchema.Type.DATE)
-          .put(StandardSQLTypeName.DATETIME, TableFieldSchema.Type.DATETIME)
-          .put(StandardSQLTypeName.FLOAT64, TableFieldSchema.Type.DOUBLE)
-          .put(StandardSQLTypeName.GEOGRAPHY, TableFieldSchema.Type.GEOGRAPHY)
-          .put(StandardSQLTypeName.INT64, TableFieldSchema.Type.INT64)
-          .put(StandardSQLTypeName.NUMERIC, TableFieldSchema.Type.NUMERIC)
-          .put(StandardSQLTypeName.STRING, TableFieldSchema.Type.STRING)
-          .put(StandardSQLTypeName.STRUCT, TableFieldSchema.Type.STRUCT)
-          .put(StandardSQLTypeName.TIME, TableFieldSchema.Type.TIME)
-          .put(StandardSQLTypeName.TIMESTAMP, TableFieldSchema.Type.TIMESTAMP)
-          .build();
-
-  /**
-   * Converts from BigQuery client Table Schema to bigquery storage API Table Schema.
-   *
-   * @param schema the BigQuery client Table Schema
-   * @return the bigquery storage API Table Schema
-   */
-  public static TableSchema convertTableSchema(Schema schema) {
-    TableSchema.Builder result = TableSchema.newBuilder();
-    for (int i = 0; i < schema.getFields().size(); i++) {
-      result.addFields(i, convertFieldSchema(schema.getFields().get(i)));
-    }
-    return result.build();
-  }
-
-  /**
-   * Converts from bigquery v2 Field Schema to bigquery storage API Field Schema.
-   *
-   * @param field the BigQuery client Field Schema
-   * @return the bigquery storage API Field Schema
-   */
-  public static TableFieldSchema convertFieldSchema(Field field) {
-    TableFieldSchema.Builder result = TableFieldSchema.newBuilder();
-    if (field.getMode() == null) {
-      field = field.toBuilder().setMode(Field.Mode.NULLABLE).build();
-    }
-    result.setMode(BQTableSchemaModeMap.get(field.getMode()));
-    result.setName(field.getName());
-    result.setType(BQTableSchemaTypeMap.get(field.getType().getStandardType()));
-    if (field.getDescription() != null) {
-      result.setDescription(field.getDescription());
-    }
-    if (field.getSubFields() != null) {
-      for (int i = 0; i < field.getSubFields().size(); i++) {
-        result.addFields(i, convertFieldSchema(field.getSubFields().get(i)));
-      }
-    }
-    return result.build();
-  }
-}