From c0af159ef5d888b954c9626b371387e59ac19acb Mon Sep 17 00:00:00 2001
From: stephwang <stephwang@google.com>
Date: Fri, 17 Jan 2020 11:48:02 -0500
Subject: [PATCH 01/13] feat: add new sample - Tables: Relax column query
 append

---
 .../com/example/bigquery/RelaxTableQuery.java | 99 +++++++++++++++++++
 .../example/bigquery/RelaxTableQueryIT.java   | 87 ++++++++++++++++
 2 files changed, 186 insertions(+)
 create mode 100644 samples/src/main/java/com/example/bigquery/RelaxTableQuery.java
 create mode 100644 samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java

diff --git a/samples/src/main/java/com/example/bigquery/RelaxTableQuery.java b/samples/src/main/java/com/example/bigquery/RelaxTableQuery.java
new file mode 100644
index 000000000..cc4b5e7f7
--- /dev/null
+++ b/samples/src/main/java/com/example/bigquery/RelaxTableQuery.java
@@ -0,0 +1,99 @@
+/*
+ * 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
+ *
+ * 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.bigquery;
+
+// [START bigquery_relax_column_query_append]
+import com.google.cloud.bigquery.BigQuery;
+import com.google.cloud.bigquery.BigQueryException;
+import com.google.cloud.bigquery.BigQueryOptions;
+import com.google.cloud.bigquery.Job;
+import com.google.cloud.bigquery.JobId;
+import com.google.cloud.bigquery.JobInfo;
+import com.google.cloud.bigquery.JobInfo.SchemaUpdateOption;
+import com.google.cloud.bigquery.JobInfo.WriteDisposition;
+import com.google.cloud.bigquery.QueryJobConfiguration;
+import com.google.cloud.bigquery.TableId;
+import com.google.cloud.bigquery.TableResult;
+import com.google.common.collect.ImmutableList;
+import java.util.UUID;
+
+public class RelaxTableQuery {
+
+  public static void runRelaxTableQuery() {
+    // TODO(developer): Replace these variables before running the sample.
+    String datasetName = "MY_DATASET_NAME";
+    String tableName = "MY_TABLE_NAME";
+    relaxTableQuery(datasetName, tableName);
+  }
+
+  public static void relaxTableQuery(String datasetName, String tableName) {
+    try {
+      // Initialize client that will be used to send requests. This client only needs to be created
+      // once, and can be reused for multiple requests.
+      BigQuery bigquery = BigQueryOptions.getDefaultInstance().getService();
+
+      TableId tableId = TableId.of(datasetName, tableName);
+      String query =
+          "SELECT "
+              + "word "
+              // TODO(developer): Replace projectId.dataset.tableName with yours
+              + "FROM `java-docs-samples-testing.bigquery_test_dataset.RELAX_TABLE_QUERY_TEST` "
+              + "WHERE word like '%is%' ";
+
+      QueryJobConfiguration queryConfig =
+          QueryJobConfiguration.newBuilder(query)
+              // Use standard SQL syntax for queries.
+              // See: https://cloud.google.com/bigquery/sql-reference/
+              .setUseLegacySql(false)
+              .setSchemaUpdateOptions(ImmutableList.of(SchemaUpdateOption.ALLOW_FIELD_RELAXATION))
+              .setWriteDisposition(WriteDisposition.WRITE_APPEND)
+              .setDestinationTable(tableId)
+              .build();
+
+      // Create a job ID so that we can safely retry.
+      JobId jobId = JobId.of(UUID.randomUUID().toString());
+      Job queryJob = bigquery.create(JobInfo.newBuilder(queryConfig).setJobId(jobId).build());
+
+      queryJob = queryJob.waitFor();
+
+      // Check for errors
+      if (queryJob == null) {
+        throw new RuntimeException("Job no longer exists");
+      } else if (queryJob.getStatus().getError() != null) {
+        // You can also look at queryJob.getStatus().getExecutionErrors() for all
+        // errors, not just the latest one.
+        throw new RuntimeException(queryJob.getStatus().getError().toString());
+      }
+
+      // Get the results.
+      TableResult results = queryJob.getQueryResults();
+
+      // Print all pages of the results.
+      results
+          .iterateAll()
+          .forEach(
+              rows -> {
+                rows.forEach(row -> System.out.println("row: " + row.toString()));
+              });
+
+      System.out.println("Successfully relaxed all columns in destination table during query job");
+    } catch (BigQueryException | InterruptedException e) {
+      System.out.println("Columns not relaxed during query job \n" + e.toString());
+    }
+  }
+}
+// [END bigquery_relax_column_query_append]
diff --git a/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java b/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
new file mode 100644
index 000000000..2e8fbedc7
--- /dev/null
+++ b/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
@@ -0,0 +1,87 @@
+/*
+ * 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
+ *
+ * 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.bigquery;
+
+import static com.google.common.truth.Truth.assertThat;
+import static junit.framework.TestCase.assertNotNull;
+import static org.junit.Assert.*;
+
+import com.google.cloud.bigquery.Field;
+import com.google.cloud.bigquery.LegacySQLTypeName;
+import com.google.cloud.bigquery.Schema;
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+public class RelaxTableQueryIT {
+  private ByteArrayOutputStream bout;
+  private PrintStream out;
+
+  private static final String BIGQUERY_DATASET_NAME = System.getenv("BIGQUERY_DATASET_NAME");
+
+  private static void requireEnvVar(String varName) {
+    assertNotNull(
+        "Environment variable " + varName + " is required to perform these tests.",
+        System.getenv(varName));
+  }
+
+  @BeforeClass
+  public static void checkRequirements() {
+    requireEnvVar("BIGQUERY_DATASET_NAME");
+  }
+
+  @Before
+  public void setUp() throws Exception {
+    bout = new ByteArrayOutputStream();
+    out = new PrintStream(bout);
+    System.setOut(out);
+  }
+
+  @After
+  public void tearDown() {
+    System.setOut(null);
+  }
+
+  @Test
+  public void testRelaxTableQuery() {
+    String tableName = "RELAX_TABLE_QUERY_TEST";
+    Schema originalSchema =
+        Schema.of(
+            Field.newBuilder("word", LegacySQLTypeName.STRING).setMode(Field.Mode.REQUIRED).build(),
+            Field.newBuilder("word_count", LegacySQLTypeName.STRING)
+                .setMode(Field.Mode.REQUIRED)
+                .build(),
+            Field.newBuilder("corpus", LegacySQLTypeName.STRING)
+                .setMode(Field.Mode.REQUIRED)
+                .build(),
+            Field.newBuilder("corpus_date", LegacySQLTypeName.STRING)
+                .setMode(Field.Mode.REQUIRED)
+                .build());
+
+    CreateTable.createTable(BIGQUERY_DATASET_NAME, tableName, originalSchema);
+
+    RelaxTableQuery.relaxTableQuery(BIGQUERY_DATASET_NAME, tableName);
+    assertThat(bout.toString())
+        .contains("Successfully relaxed all columns in destination table during query job");
+
+    // Clean up
+    DeleteTable.deleteTable(BIGQUERY_DATASET_NAME, tableName);
+  }
+}

From 4ff1f36e7a152edf949cd4b729b03349558558b2 Mon Sep 17 00:00:00 2001
From: stephwang <stephwang@google.com>
Date: Fri, 17 Jan 2020 12:01:00 -0500
Subject: [PATCH 02/13] nit

---
 .../src/test/java/com/example/bigquery/RelaxTableQueryIT.java    | 1 -
 1 file changed, 1 deletion(-)

diff --git a/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java b/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
index 2e8fbedc7..a9049bbe0 100644
--- a/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
+++ b/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
@@ -18,7 +18,6 @@
 
 import static com.google.common.truth.Truth.assertThat;
 import static junit.framework.TestCase.assertNotNull;
-import static org.junit.Assert.*;
 
 import com.google.cloud.bigquery.Field;
 import com.google.cloud.bigquery.LegacySQLTypeName;

From 1797825105c9e7db0fd9d479e6956bfae04d83a7 Mon Sep 17 00:00:00 2001
From: stephwang <stephwang@google.com>
Date: Tue, 21 Jan 2020 13:17:53 -0500
Subject: [PATCH 03/13] update based on comments

---
 .../com/example/bigquery/RelaxTableQuery.java    | 16 ++++++++--------
 .../com/example/bigquery/RelaxTableQueryIT.java  |  8 +++++++-
 2 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/samples/src/main/java/com/example/bigquery/RelaxTableQuery.java b/samples/src/main/java/com/example/bigquery/RelaxTableQuery.java
index cc4b5e7f7..9a5a5fa45 100644
--- a/samples/src/main/java/com/example/bigquery/RelaxTableQuery.java
+++ b/samples/src/main/java/com/example/bigquery/RelaxTableQuery.java
@@ -37,22 +37,22 @@ public static void runRelaxTableQuery() {
     // TODO(developer): Replace these variables before running the sample.
     String datasetName = "MY_DATASET_NAME";
     String tableName = "MY_TABLE_NAME";
-    relaxTableQuery(datasetName, tableName);
+    String query =
+        "SELECT "
+            + "word "
+            // TODO(developer): Replace projectId.dataset.tableName with yours
+            + "FROM `java-docs-samples-testing.bigquery_test_dataset.RELAX_TABLE_QUERY_TEST` "
+            + "WHERE word like '%is%' ";
+    relaxTableQuery(datasetName, tableName, query);
   }
 
-  public static void relaxTableQuery(String datasetName, String tableName) {
+  public static void relaxTableQuery(String datasetName, String tableName, String query) {
     try {
       // Initialize client that will be used to send requests. This client only needs to be created
       // once, and can be reused for multiple requests.
       BigQuery bigquery = BigQueryOptions.getDefaultInstance().getService();
 
       TableId tableId = TableId.of(datasetName, tableName);
-      String query =
-          "SELECT "
-              + "word "
-              // TODO(developer): Replace projectId.dataset.tableName with yours
-              + "FROM `java-docs-samples-testing.bigquery_test_dataset.RELAX_TABLE_QUERY_TEST` "
-              + "WHERE word like '%is%' ";
 
       QueryJobConfiguration queryConfig =
           QueryJobConfiguration.newBuilder(query)
diff --git a/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java b/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
index a9049bbe0..f8d66777a 100644
--- a/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
+++ b/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
@@ -74,9 +74,15 @@ public void testRelaxTableQuery() {
                 .setMode(Field.Mode.REQUIRED)
                 .build());
 
+    String query =
+        "SELECT "
+            + "word "
+            + "FROM `java-docs-samples-testing.bigquery_test_dataset.RELAX_TABLE_QUERY_TEST` "
+            + "WHERE word like '%is%' ";
+
     CreateTable.createTable(BIGQUERY_DATASET_NAME, tableName, originalSchema);
 
-    RelaxTableQuery.relaxTableQuery(BIGQUERY_DATASET_NAME, tableName);
+    RelaxTableQuery.relaxTableQuery(BIGQUERY_DATASET_NAME, tableName, query);
     assertThat(bout.toString())
         .contains("Successfully relaxed all columns in destination table during query job");
 

From c49b78b50527918dcdb64fbf11feb5d0af91a7e7 Mon Sep 17 00:00:00 2001
From: stephwang <stephwang@google.com>
Date: Wed, 22 Jan 2020 11:50:45 -0500
Subject: [PATCH 04/13] update exception handling

---
 .../main/java/com/example/bigquery/RelaxTableQuery.java  | 9 +++++----
 .../java/com/example/bigquery/RelaxTableQueryIT.java     | 2 +-
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/samples/src/main/java/com/example/bigquery/RelaxTableQuery.java b/samples/src/main/java/com/example/bigquery/RelaxTableQuery.java
index 9a5a5fa45..4a4403419 100644
--- a/samples/src/main/java/com/example/bigquery/RelaxTableQuery.java
+++ b/samples/src/main/java/com/example/bigquery/RelaxTableQuery.java
@@ -33,7 +33,7 @@
 
 public class RelaxTableQuery {
 
-  public static void runRelaxTableQuery() {
+  public static void runRelaxTableQuery() throws Exception {
     // TODO(developer): Replace these variables before running the sample.
     String datasetName = "MY_DATASET_NAME";
     String tableName = "MY_TABLE_NAME";
@@ -46,7 +46,8 @@ public static void runRelaxTableQuery() {
     relaxTableQuery(datasetName, tableName, query);
   }
 
-  public static void relaxTableQuery(String datasetName, String tableName, String query) {
+  public static void relaxTableQuery(String datasetName, String tableName, String query)
+      throws Exception {
     try {
       // Initialize client that will be used to send requests. This client only needs to be created
       // once, and can be reused for multiple requests.
@@ -72,11 +73,11 @@ public static void relaxTableQuery(String datasetName, String tableName, String
 
       // Check for errors
       if (queryJob == null) {
-        throw new RuntimeException("Job no longer exists");
+        throw new Exception("Job no longer exists");
       } else if (queryJob.getStatus().getError() != null) {
         // You can also look at queryJob.getStatus().getExecutionErrors() for all
         // errors, not just the latest one.
-        throw new RuntimeException(queryJob.getStatus().getError().toString());
+        throw new Exception(queryJob.getStatus().getError().toString());
       }
 
       // Get the results.
diff --git a/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java b/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
index f8d66777a..e70ee7740 100644
--- a/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
+++ b/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
@@ -59,7 +59,7 @@ public void tearDown() {
   }
 
   @Test
-  public void testRelaxTableQuery() {
+  public void testRelaxTableQuery() throws Exception {
     String tableName = "RELAX_TABLE_QUERY_TEST";
     Schema originalSchema =
         Schema.of(

From a1393e4b3244a3c5db9e6a361909ae6368e6be48 Mon Sep 17 00:00:00 2001
From: stephwang <stephwang@google.com>
Date: Thu, 23 Jan 2020 12:18:30 -0500
Subject: [PATCH 05/13] refactor

---
 .../com/example/bigquery/RelaxTableQuery.java     | 15 +++++++--------
 .../com/example/bigquery/RelaxTableQueryIT.java   | 10 +++-------
 2 files changed, 10 insertions(+), 15 deletions(-)

diff --git a/samples/src/main/java/com/example/bigquery/RelaxTableQuery.java b/samples/src/main/java/com/example/bigquery/RelaxTableQuery.java
index 4a4403419..d4f515325 100644
--- a/samples/src/main/java/com/example/bigquery/RelaxTableQuery.java
+++ b/samples/src/main/java/com/example/bigquery/RelaxTableQuery.java
@@ -35,18 +35,13 @@ public class RelaxTableQuery {
 
   public static void runRelaxTableQuery() throws Exception {
     // TODO(developer): Replace these variables before running the sample.
+    String projectId = "MY_PROJECT_ID";
     String datasetName = "MY_DATASET_NAME";
     String tableName = "MY_TABLE_NAME";
-    String query =
-        "SELECT "
-            + "word "
-            // TODO(developer): Replace projectId.dataset.tableName with yours
-            + "FROM `java-docs-samples-testing.bigquery_test_dataset.RELAX_TABLE_QUERY_TEST` "
-            + "WHERE word like '%is%' ";
-    relaxTableQuery(datasetName, tableName, query);
+    relaxTableQuery(projectId, datasetName, tableName);
   }
 
-  public static void relaxTableQuery(String datasetName, String tableName, String query)
+  public static void relaxTableQuery(String projectId, String datasetName, String tableName)
       throws Exception {
     try {
       // Initialize client that will be used to send requests. This client only needs to be created
@@ -55,6 +50,10 @@ public static void relaxTableQuery(String datasetName, String tableName, String
 
       TableId tableId = TableId.of(datasetName, tableName);
 
+      String sourceTable = "`" + projectId + "." + datasetName + "." + tableName + "`";
+      String query =
+          "SELECT " + "word\n" + "FROM " + sourceTable + "\n" + "WHERE word like '%is%' ";
+
       QueryJobConfiguration queryConfig =
           QueryJobConfiguration.newBuilder(query)
               // Use standard SQL syntax for queries.
diff --git a/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java b/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
index e70ee7740..af7391456 100644
--- a/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
+++ b/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
@@ -33,6 +33,7 @@ public class RelaxTableQueryIT {
   private ByteArrayOutputStream bout;
   private PrintStream out;
 
+  private static final String BIGQUERY_PROJECT_ID = System.getenv("BIGQUERY_PROJECT_ID");
   private static final String BIGQUERY_DATASET_NAME = System.getenv("BIGQUERY_DATASET_NAME");
 
   private static void requireEnvVar(String varName) {
@@ -43,6 +44,7 @@ private static void requireEnvVar(String varName) {
 
   @BeforeClass
   public static void checkRequirements() {
+    requireEnvVar("BIGQUERY_PROJECT_ID");
     requireEnvVar("BIGQUERY_DATASET_NAME");
   }
 
@@ -74,15 +76,9 @@ public void testRelaxTableQuery() throws Exception {
                 .setMode(Field.Mode.REQUIRED)
                 .build());
 
-    String query =
-        "SELECT "
-            + "word "
-            + "FROM `java-docs-samples-testing.bigquery_test_dataset.RELAX_TABLE_QUERY_TEST` "
-            + "WHERE word like '%is%' ";
-
     CreateTable.createTable(BIGQUERY_DATASET_NAME, tableName, originalSchema);
 
-    RelaxTableQuery.relaxTableQuery(BIGQUERY_DATASET_NAME, tableName, query);
+    RelaxTableQuery.relaxTableQuery(BIGQUERY_PROJECT_ID, BIGQUERY_DATASET_NAME, tableName);
     assertThat(bout.toString())
         .contains("Successfully relaxed all columns in destination table during query job");
 

From 3d35c13d828c1c4b7d396b78df8bc5f37742ef1c Mon Sep 17 00:00:00 2001
From: stephwang <stephwang@google.com>
Date: Thu, 23 Jan 2020 14:26:16 -0500
Subject: [PATCH 06/13] update base on comments

---
 .../main/java/com/example/bigquery/RelaxTableQuery.java   | 1 +
 .../test/java/com/example/bigquery/RelaxTableQueryIT.java | 8 ++++----
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/samples/src/main/java/com/example/bigquery/RelaxTableQuery.java b/samples/src/main/java/com/example/bigquery/RelaxTableQuery.java
index d4f515325..ddd177cb4 100644
--- a/samples/src/main/java/com/example/bigquery/RelaxTableQuery.java
+++ b/samples/src/main/java/com/example/bigquery/RelaxTableQuery.java
@@ -41,6 +41,7 @@ public static void runRelaxTableQuery() throws Exception {
     relaxTableQuery(projectId, datasetName, tableName);
   }
 
+  // To relax all columns in a destination table when you append data to it during a query job
   public static void relaxTableQuery(String projectId, String datasetName, String tableName)
       throws Exception {
     try {
diff --git a/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java b/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
index af7391456..8922b800a 100644
--- a/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
+++ b/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
@@ -24,6 +24,7 @@
 import com.google.cloud.bigquery.Schema;
 import java.io.ByteArrayOutputStream;
 import java.io.PrintStream;
+import java.util.UUID;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.BeforeClass;
@@ -32,6 +33,7 @@
 public class RelaxTableQueryIT {
   private ByteArrayOutputStream bout;
   private PrintStream out;
+  private String tableName;
 
   private static final String BIGQUERY_PROJECT_ID = System.getenv("BIGQUERY_PROJECT_ID");
   private static final String BIGQUERY_DATASET_NAME = System.getenv("BIGQUERY_DATASET_NAME");
@@ -52,17 +54,18 @@ public static void checkRequirements() {
   public void setUp() throws Exception {
     bout = new ByteArrayOutputStream();
     out = new PrintStream(bout);
+    tableName = "RELAX_TABLE_QUERY_TEST" + UUID.randomUUID().toString().replace('-', '_');
     System.setOut(out);
   }
 
   @After
   public void tearDown() {
+    DeleteTable.deleteTable(BIGQUERY_DATASET_NAME, tableName);
     System.setOut(null);
   }
 
   @Test
   public void testRelaxTableQuery() throws Exception {
-    String tableName = "RELAX_TABLE_QUERY_TEST";
     Schema originalSchema =
         Schema.of(
             Field.newBuilder("word", LegacySQLTypeName.STRING).setMode(Field.Mode.REQUIRED).build(),
@@ -81,8 +84,5 @@ public void testRelaxTableQuery() throws Exception {
     RelaxTableQuery.relaxTableQuery(BIGQUERY_PROJECT_ID, BIGQUERY_DATASET_NAME, tableName);
     assertThat(bout.toString())
         .contains("Successfully relaxed all columns in destination table during query job");
-
-    // Clean up
-    DeleteTable.deleteTable(BIGQUERY_DATASET_NAME, tableName);
   }
 }

From d5c035ecb4a9bce4c64b7cbc8ce405edd7d45fce Mon Sep 17 00:00:00 2001
From: stephwang <stephwang@google.com>
Date: Thu, 23 Jan 2020 14:52:02 -0500
Subject: [PATCH 07/13] code refactoring

---
 .../example/bigquery/RelaxTableQueryIT.java   | 28 +++++++++----------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java b/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
index 8922b800a..0534c9f4b 100644
--- a/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
+++ b/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
@@ -34,6 +34,7 @@ public class RelaxTableQueryIT {
   private ByteArrayOutputStream bout;
   private PrintStream out;
   private String tableName;
+  private Schema originalSchema;
 
   private static final String BIGQUERY_PROJECT_ID = System.getenv("BIGQUERY_PROJECT_ID");
   private static final String BIGQUERY_DATASET_NAME = System.getenv("BIGQUERY_DATASET_NAME");
@@ -54,19 +55,9 @@ public static void checkRequirements() {
   public void setUp() throws Exception {
     bout = new ByteArrayOutputStream();
     out = new PrintStream(bout);
-    tableName = "RELAX_TABLE_QUERY_TEST" + UUID.randomUUID().toString().replace('-', '_');
-    System.setOut(out);
-  }
-
-  @After
-  public void tearDown() {
-    DeleteTable.deleteTable(BIGQUERY_DATASET_NAME, tableName);
-    System.setOut(null);
-  }
-
-  @Test
-  public void testRelaxTableQuery() throws Exception {
-    Schema originalSchema =
+    tableName =
+        "RELAX_TABLE_QUERY_TEST" + UUID.randomUUID().toString().substring(0, 5).replace('-', '_');
+    originalSchema =
         Schema.of(
             Field.newBuilder("word", LegacySQLTypeName.STRING).setMode(Field.Mode.REQUIRED).build(),
             Field.newBuilder("word_count", LegacySQLTypeName.STRING)
@@ -78,9 +69,18 @@ public void testRelaxTableQuery() throws Exception {
             Field.newBuilder("corpus_date", LegacySQLTypeName.STRING)
                 .setMode(Field.Mode.REQUIRED)
                 .build());
-
     CreateTable.createTable(BIGQUERY_DATASET_NAME, tableName, originalSchema);
+    System.setOut(out);
+  }
 
+  @After
+  public void tearDown() {
+    DeleteTable.deleteTable(BIGQUERY_DATASET_NAME, tableName);
+    System.setOut(null);
+  }
+
+  @Test
+  public void testRelaxTableQuery() throws Exception {
     RelaxTableQuery.relaxTableQuery(BIGQUERY_PROJECT_ID, BIGQUERY_DATASET_NAME, tableName);
     assertThat(bout.toString())
         .contains("Successfully relaxed all columns in destination table during query job");

From 0c13ae926fc8793621d15fa52da5037c01d1aa4a Mon Sep 17 00:00:00 2001
From: stephwang <stephwang@google.com>
Date: Thu, 23 Jan 2020 15:41:09 -0500
Subject: [PATCH 08/13] fix build errors

---
 .../example/bigquery/RelaxTableQueryIT.java    | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java b/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
index 0534c9f4b..566003fff 100644
--- a/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
+++ b/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
@@ -33,11 +33,11 @@
 public class RelaxTableQueryIT {
   private ByteArrayOutputStream bout;
   private PrintStream out;
-  private String tableName;
-  private Schema originalSchema;
 
   private static final String BIGQUERY_PROJECT_ID = System.getenv("BIGQUERY_PROJECT_ID");
   private static final String BIGQUERY_DATASET_NAME = System.getenv("BIGQUERY_DATASET_NAME");
+  private static final String TABLE_NAME =
+      "RELAX_TABLE_QUERY_TEST_" + UUID.randomUUID().toString().replace('-', '_');
 
   private static void requireEnvVar(String varName) {
     assertNotNull(
@@ -55,9 +55,10 @@ public static void checkRequirements() {
   public void setUp() throws Exception {
     bout = new ByteArrayOutputStream();
     out = new PrintStream(bout);
-    tableName =
-        "RELAX_TABLE_QUERY_TEST" + UUID.randomUUID().toString().substring(0, 5).replace('-', '_');
-    originalSchema =
+
+    CreateTable.createTable(
+        BIGQUERY_DATASET_NAME,
+        TABLE_NAME,
         Schema.of(
             Field.newBuilder("word", LegacySQLTypeName.STRING).setMode(Field.Mode.REQUIRED).build(),
             Field.newBuilder("word_count", LegacySQLTypeName.STRING)
@@ -68,20 +69,19 @@ public void setUp() throws Exception {
                 .build(),
             Field.newBuilder("corpus_date", LegacySQLTypeName.STRING)
                 .setMode(Field.Mode.REQUIRED)
-                .build());
-    CreateTable.createTable(BIGQUERY_DATASET_NAME, tableName, originalSchema);
+                .build()));
     System.setOut(out);
   }
 
   @After
   public void tearDown() {
-    DeleteTable.deleteTable(BIGQUERY_DATASET_NAME, tableName);
+    DeleteTable.deleteTable(BIGQUERY_DATASET_NAME, TABLE_NAME);
     System.setOut(null);
   }
 
   @Test
   public void testRelaxTableQuery() throws Exception {
-    RelaxTableQuery.relaxTableQuery(BIGQUERY_PROJECT_ID, BIGQUERY_DATASET_NAME, tableName);
+    RelaxTableQuery.relaxTableQuery(BIGQUERY_PROJECT_ID, BIGQUERY_DATASET_NAME, TABLE_NAME);
     assertThat(bout.toString())
         .contains("Successfully relaxed all columns in destination table during query job");
   }

From b022684f2ad77ecb5db81a0371f72fe7926911d2 Mon Sep 17 00:00:00 2001
From: stephwang <stephwang@google.com>
Date: Thu, 23 Jan 2020 16:36:18 -0500
Subject: [PATCH 09/13] add debugging statements

---
 .../src/test/java/com/example/bigquery/RelaxTableQueryIT.java  | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java b/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
index 566003fff..3f4c99cce 100644
--- a/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
+++ b/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
@@ -53,6 +53,9 @@ public static void checkRequirements() {
 
   @Before
   public void setUp() throws Exception {
+    System.out.println("BIGQUERY_DATASET_NAME: " + BIGQUERY_DATASET_NAME);
+    System.out.println("TABLE_NAME: " + TABLE_NAME);
+
     bout = new ByteArrayOutputStream();
     out = new PrintStream(bout);
 

From 7d9118990f10af553733c209fd0855c898c91065 Mon Sep 17 00:00:00 2001
From: stephwang <stephwang@google.com>
Date: Thu, 23 Jan 2020 16:43:54 -0500
Subject: [PATCH 10/13] remove unused exception

---
 .../src/test/java/com/example/bigquery/RelaxTableQueryIT.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java b/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
index 3f4c99cce..2236674e0 100644
--- a/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
+++ b/samples/src/test/java/com/example/bigquery/RelaxTableQueryIT.java
@@ -52,7 +52,7 @@ public static void checkRequirements() {
   }
 
   @Before
-  public void setUp() throws Exception {
+  public void setUp() {
     System.out.println("BIGQUERY_DATASET_NAME: " + BIGQUERY_DATASET_NAME);
     System.out.println("TABLE_NAME: " + TABLE_NAME);
 

From 3c0aab0f824fb9b73903dbac5ddd5108c45eeca8 Mon Sep 17 00:00:00 2001
From: stephwang <stephwang@google.com>
Date: Thu, 23 Jan 2020 18:21:56 -0500
Subject: [PATCH 11/13] feat: new sample - Models: Get a model resource

---
 .../java/com/example/bigquery/GetModel.java   | 52 +++++++++++++++
 .../java/com/example/bigquery/GetModelIT.java | 66 +++++++++++++++++++
 2 files changed, 118 insertions(+)
 create mode 100644 samples/src/main/java/com/example/bigquery/GetModel.java
 create mode 100644 samples/src/test/java/com/example/bigquery/GetModelIT.java

diff --git a/samples/src/main/java/com/example/bigquery/GetModel.java b/samples/src/main/java/com/example/bigquery/GetModel.java
new file mode 100644
index 000000000..cc9a974fc
--- /dev/null
+++ b/samples/src/main/java/com/example/bigquery/GetModel.java
@@ -0,0 +1,52 @@
+/*
+ * 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
+ *
+ * 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.bigquery;
+
+import com.google.cloud.bigquery.BigQuery;
+import com.google.cloud.bigquery.BigQueryException;
+import com.google.cloud.bigquery.BigQueryOptions;
+import com.google.cloud.bigquery.Model;
+import com.google.cloud.bigquery.ModelId;
+
+// [START bigquery_get_model]
+public class GetModel {
+
+  public static void runGetModel() {
+    // TODO(developer): Replace these variables before running the sample.
+    String datasetName = "MY_DATASET_NAME";
+    String modelName = "MY_MODEL_ID";
+    getModel(datasetName, modelName);
+  }
+
+  public static void getModel(String datasetName, String modelName) {
+    try {
+      // Initialize client that will be used to send requests. This client only needs to be created
+      // once, and can be reused for multiple requests.
+      BigQuery bigquery = BigQueryOptions.getDefaultInstance().getService();
+
+      ModelId modelId = ModelId.of(datasetName, modelName);
+      Model model = bigquery.getModel(modelId);
+      System.out.println("Model: " + model.getDescription());
+
+      System.out.println("Successfully retrieved model");
+    } catch (BigQueryException e) {
+      System.out.println("Cannot retrieve model \n" + e.toString());
+    }
+  }
+
+}
+// [END bigquery_get_model]
\ No newline at end of file
diff --git a/samples/src/test/java/com/example/bigquery/GetModelIT.java b/samples/src/test/java/com/example/bigquery/GetModelIT.java
new file mode 100644
index 000000000..f856d070d
--- /dev/null
+++ b/samples/src/test/java/com/example/bigquery/GetModelIT.java
@@ -0,0 +1,66 @@
+/*
+ * 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
+ *
+ * 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.bigquery;
+
+import static com.google.common.truth.Truth.assertThat;
+import static junit.framework.TestCase.assertNotNull;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+public class GetModelIT {
+  private ByteArrayOutputStream bout;
+  private PrintStream out;
+
+  private static final String BIGQUERY_MODEL_TEST_PROJECT_ID = System.getenv("BIGQUERY_MODEL_TEST_PROJECT_ID");
+
+  private static void requireEnvVar(String varName) {
+    assertNotNull(
+        "Environment variable " + varName + " is required to perform these tests.",
+        System.getenv(varName));
+  }
+
+  @BeforeClass
+  public static void checkRequirements() {
+    requireEnvVar("BIGQUERY_MODEL_TEST_PROJECT_ID");
+  }
+
+  @Before
+  public void setUp() throws Exception {
+    bout = new ByteArrayOutputStream();
+    out = new PrintStream(bout);
+    System.setOut(out);
+  }
+
+  @After
+  public void tearDown() {
+    System.setOut(null);
+  }
+
+  @Test
+  public void getModel() {
+    String datasetName = "samples";
+    String modelName = "model";
+    GetModel.getModel(datasetName, modelName);
+    assertThat(bout.toString())
+        .contains("Successfully retrieved model");
+  }
+}
\ No newline at end of file

From 8fcb76dbf657633288ae0725d2320d5dfedb7276 Mon Sep 17 00:00:00 2001
From: stephwang <stephwang@google.com>
Date: Thu, 23 Jan 2020 18:22:11 -0500
Subject: [PATCH 12/13] feat: new sample - Models: Get a model resource

---
 samples/src/main/java/com/example/bigquery/GetModel.java  | 3 +--
 .../src/main/java/com/example/bigquery/LoadParquet.java   | 2 +-
 .../src/test/java/com/example/bigquery/GetModelIT.java    | 8 ++++----
 3 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/samples/src/main/java/com/example/bigquery/GetModel.java b/samples/src/main/java/com/example/bigquery/GetModel.java
index cc9a974fc..e51b3fd83 100644
--- a/samples/src/main/java/com/example/bigquery/GetModel.java
+++ b/samples/src/main/java/com/example/bigquery/GetModel.java
@@ -47,6 +47,5 @@ public static void getModel(String datasetName, String modelName) {
       System.out.println("Cannot retrieve model \n" + e.toString());
     }
   }
-
 }
-// [END bigquery_get_model]
\ No newline at end of file
+// [END bigquery_get_model]
diff --git a/samples/src/main/java/com/example/bigquery/LoadParquet.java b/samples/src/main/java/com/example/bigquery/LoadParquet.java
index ed04ba4dd..580b6183f 100644
--- a/samples/src/main/java/com/example/bigquery/LoadParquet.java
+++ b/samples/src/main/java/com/example/bigquery/LoadParquet.java
@@ -43,7 +43,7 @@ public static void loadParquet(String datasetName) {
 
       String sourceUri = "gs://cloud-samples-data/bigquery/us-states/us-states.parquet";
       TableId tableId = TableId.of(datasetName, "us_states");
-      
+
       LoadJobConfiguration configuration =
           LoadJobConfiguration.builder(tableId, sourceUri)
               .setFormatOptions(FormatOptions.parquet())
diff --git a/samples/src/test/java/com/example/bigquery/GetModelIT.java b/samples/src/test/java/com/example/bigquery/GetModelIT.java
index f856d070d..f70b522b3 100644
--- a/samples/src/test/java/com/example/bigquery/GetModelIT.java
+++ b/samples/src/test/java/com/example/bigquery/GetModelIT.java
@@ -30,7 +30,8 @@ public class GetModelIT {
   private ByteArrayOutputStream bout;
   private PrintStream out;
 
-  private static final String BIGQUERY_MODEL_TEST_PROJECT_ID = System.getenv("BIGQUERY_MODEL_TEST_PROJECT_ID");
+  private static final String BIGQUERY_MODEL_TEST_PROJECT_ID =
+      System.getenv("BIGQUERY_MODEL_TEST_PROJECT_ID");
 
   private static void requireEnvVar(String varName) {
     assertNotNull(
@@ -60,7 +61,6 @@ public void getModel() {
     String datasetName = "samples";
     String modelName = "model";
     GetModel.getModel(datasetName, modelName);
-    assertThat(bout.toString())
-        .contains("Successfully retrieved model");
+    assertThat(bout.toString()).contains("Successfully retrieved model");
   }
-}
\ No newline at end of file
+}

From 181635c72743ab9dc503b9e65b5c79d91e8309a7 Mon Sep 17 00:00:00 2001
From: stephwang <stephwang@google.com>
Date: Mon, 27 Jan 2020 15:08:39 -0500
Subject: [PATCH 13/13] fix build error

---
 .../test/java/com/example/bigquery/GetModelIT.java    | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/samples/src/test/java/com/example/bigquery/GetModelIT.java b/samples/src/test/java/com/example/bigquery/GetModelIT.java
index f70b522b3..78d53ad7c 100644
--- a/samples/src/test/java/com/example/bigquery/GetModelIT.java
+++ b/samples/src/test/java/com/example/bigquery/GetModelIT.java
@@ -30,8 +30,8 @@ public class GetModelIT {
   private ByteArrayOutputStream bout;
   private PrintStream out;
 
-  private static final String BIGQUERY_MODEL_TEST_PROJECT_ID =
-      System.getenv("BIGQUERY_MODEL_TEST_PROJECT_ID");
+  private static final String BIGQUERY_DATASET_NAME = System.getenv("BIGQUERY_DATASET_NAME");
+  private static final String BIGQUERY_MODEL_NAME = System.getenv("BIGQUERY_MODEL_NAME");
 
   private static void requireEnvVar(String varName) {
     assertNotNull(
@@ -41,7 +41,8 @@ private static void requireEnvVar(String varName) {
 
   @BeforeClass
   public static void checkRequirements() {
-    requireEnvVar("BIGQUERY_MODEL_TEST_PROJECT_ID");
+    requireEnvVar("BIGQUERY_DATASET_NAME");
+    requireEnvVar("BIGQUERY_MODEL_NAME");
   }
 
   @Before
@@ -58,9 +59,7 @@ public void tearDown() {
 
   @Test
   public void getModel() {
-    String datasetName = "samples";
-    String modelName = "model";
-    GetModel.getModel(datasetName, modelName);
+    GetModel.getModel(BIGQUERY_DATASET_NAME, BIGQUERY_MODEL_NAME);
     assertThat(bout.toString()).contains("Successfully retrieved model");
   }
 }