docs(bigquery): remove location parameter from samples

The parameter can sometimes confuse new BigQuery developers. Since
location autodetection now works pretty well, the parameter can be
removed from code samples for better clarity, except where the samples
want to explicitly demonstrate its usage.

Author: plamut

bigquery/samples/client_query.py

@@ -30,10 +30,7 @@ def client_query(client):
         ORDER BY total_people DESC
         LIMIT 20
     """
-    query_job = client.query(
-        query,
-        location="US",  # Must match the source and the destination dataset(s) location.
-    )  # Make an API request.
+    query_job = client.query(query)  # Make an API request.
 
     print("The query data:")
     for row in query_job:

bigquery/samples/client_query_add_column.py

@@ -43,7 +43,6 @@ def client_query_add_column(client, table_id):
         # 'age' columns, while the results of this query will contain an
         # additional 'favorite_color' column.
         'SELECT "Timmy" as full_name, 85 as age, "Blue" as favorite_color;',
-        location="US",  # Must match the source and the destination dataset(s) location.
         job_config=job_config,
     )  # Make an API request.
     query_job.result()  # Wait for the job to complete.

bigquery/samples/client_query_batch.py

@@ -32,13 +32,11 @@ def client_query_batch(client):
     """
 
     # Start the query, passing in the extra configuration.
-    query_job = client.query(
-        sql, location="US", job_config=job_config
-    )  # Make an API request.
+    query_job = client.query(sql, job_config=job_config)  # Make an API request.
 
     # Check on the progress by getting the job's updated state. Once the state
     # is `DONE`, the results are ready.
-    query_job = client.get_job(query_job.job_id, location="US")  # Make an API request.
+    query_job = client.get_job(query_job.job_id)  # Make an API request.
 
     print("Job {} is currently in state {}".format(query_job.job_id, query_job.state))
     # [END bigquery_query_batch]

bigquery/samples/client_query_destination_table.py

@@ -35,11 +35,7 @@ def client_query_destination_table(client, table_id):
     """
 
     # Start the query, passing in the extra configuration.
-    query_job = client.query(
-        sql,
-        location="US",  # Must match the source and the destination dataset(s) location.
-        job_config=job_config,
-    )  # Make an API request.
+    query_job = client.query(sql, job_config=job_config)  # Make an API request.
     query_job.result()  # Wait for the job to complete.
 
     print("Query results loaded to the table {}".format(table_id))

bigquery/samples/client_query_destination_table_cmek.py

@@ -38,9 +38,7 @@ def client_query_destination_table_cmek(client, table_id, kms_key_name):
 
     # Start the query, passing in the extra configuration.
     query_job = client.query(
-        "SELECT 17 AS my_col;",
-        location="US",  # Must match the source and the destination dataset(s) location.
-        job_config=job_config,
+        "SELECT 17 AS my_col;", job_config=job_config
     )  # Make an API request.
     query_job.result()  # Wait for the job to complete.
 

bigquery/samples/client_query_destination_table_legacy.py

@@ -40,11 +40,7 @@ def client_query_destination_table_legacy(client, table_id):
     """
 
     # Start the query, passing in the extra configuration.
-    query_job = client.query(
-        sql,
-        location="US",  # Must match the source and the destination dataset(s) location.
-        job_config=job_config,
-    )  # Make an API request.
+    query_job = client.query(sql, job_config=job_config)  # Make an API request.
     query_job.result()  # Wait for the job to complete.
 
     print("Query results loaded to the table {}".format(table_id))

bigquery/samples/client_query_dry_run.py

@@ -33,7 +33,6 @@ def client_query_dry_run(client):
             "WHERE state = 'WA' "
             "GROUP BY name"
         ),
-        location="US",  # Must match the source and the destination dataset(s) location.
         job_config=job_config,
     )  # Make an API request.
 

bigquery/samples/client_query_legacy_sql.py

@@ -32,11 +32,7 @@ def client_query_legacy_sql(client):
     job_config.use_legacy_sql = True
 
     # Start the query, passing in the extra configuration.
-    query_job = client.query(
-        query,
-        location="US",  # Must match the source and the destination dataset(s) location.
-        job_config=job_config,
-    )  # Make an API request.
+    query_job = client.query(query, job_config=job_config)  # Make an API request.
 
     print("The query data:")
     for row in query_job:

bigquery/samples/client_query_relax_column.py

@@ -45,7 +45,6 @@ def client_query_relax_column(client, table_id):
         # In this example, the existing table contains 'full_name' and 'age' as
         # required columns, but the query results will omit the second column.
         'SELECT "Beyonce" as full_name;',
-        location="US",  # Must match the source and the destination dataset(s) location.
         job_config=job_config,
     )  # Make an API request.
     query_job.result()  # Wait for the job to complete.

bigquery/samples/copy_table.py

@@ -28,11 +28,7 @@ def copy_table(client, source_table_id, destination_table_id):
     # TODO(developer): Set destination_table_id to the ID of the destination table.
     # destination_table_id = "your-project.destination_dataset.destination_table"
 
-    job = client.copy_table(
-        source_table_id,
-        destination_table_id,
-        location="US",  # Must match the source and the destination dataset(s) location.
-    )
+    job = client.copy_table(source_table_id, destination_table_id)
     job.result()  # Wait for the job to complete.
 
     print("A copy of the table created.")