Clean up Spanner region tags.

samples/crud.js

@@ -16,7 +16,7 @@
 'use strict';
 
 function updateData(instanceId, databaseId, projectId) {
-  // [START update_data]
+  // [START spanner_update_data]
   // Imports the Google Cloud client library
   const Spanner = require('@google-cloud/spanner');
 
@@ -56,11 +56,11 @@ function updateData(instanceId, databaseId, projectId) {
       // Close the database when finished.
       return database.close();
     });
-  // [END update_data]
+  // [END spanner_update_data]
 }
 
 function insertData(instanceId, databaseId, projectId) {
-  // [START insert_data]
+  // [START spanner_insert_data]
   // Imports the Google Cloud client library
   const Spanner = require('@google-cloud/spanner');
 
@@ -115,11 +115,11 @@ function insertData(instanceId, databaseId, projectId) {
       // Close the database when finished.
       return database.close();
     });
-  // [END insert_data]
+  // [END spanner_insert_data]
 }
 
 function queryData(instanceId, databaseId, projectId) {
-  // [START query_data]
+  // [START spanner_query_data]
   // Imports the Google Cloud client library
   const Spanner = require('@google-cloud/spanner');
 
@@ -165,11 +165,11 @@ function queryData(instanceId, databaseId, projectId) {
       // Close the database when finished.
       return database.close();
     });
-  // [END query_data]
+  // [END spanner_query_data]
 }
 
 function readData(instanceId, databaseId, projectId) {
-  // [START read_data]
+  // [START spanner_read_data]
   // Imports the Google Cloud client library
   const Spanner = require('@google-cloud/spanner');
 
@@ -220,11 +220,11 @@ function readData(instanceId, databaseId, projectId) {
       // Close the database when finished.
       return database.close();
     });
-  // [END read_data]
+  // [END spanner_read_data]
 }
 
 function readStaleData(instanceId, databaseId, projectId) {
-  // [START read_stale_data]
+  // [START spanner_read_stale_data]
   // Imports the Google Cloud client library
   const Spanner = require('@google-cloud/spanner');
 
@@ -282,7 +282,7 @@ function readStaleData(instanceId, databaseId, projectId) {
       // Close the database when finished.
       return database.close();
     });
-  // [END read_stale_data]
+  // [END spanner_read_stale_data]
 }
 
 require(`yargs`)

samples/indexing.js

@@ -16,7 +16,7 @@
 'use strict';
 
 function createIndex(instanceId, databaseId, projectId) {
-  // [START create_index]
+  // [START spanner_create_index]
   // Imports the Google Cloud client library
   const Spanner = require('@google-cloud/spanner');
 
@@ -57,11 +57,11 @@ function createIndex(instanceId, databaseId, projectId) {
       // Close the database when finished.
       return database.close();
     });
-  // [END create_index]
+  // [END spanner_create_index]
 }
 
 function createStoringIndex(instanceId, databaseId, projectId) {
-  // [START create_storing_index]
+  // [START spanner_create_storing_index]
   // "Storing" indexes store copies of the columns they index
   // This speeds up queries, but takes more space compared to normal indexes
   // See the link below for more information:
@@ -109,7 +109,7 @@ function createStoringIndex(instanceId, databaseId, projectId) {
       // Close the database when finished.
       return database.close();
     });
-  // [END create_storing_index]
+  // [END spanner_create_storing_index]
 }
 
 function queryDataWithIndex(
@@ -119,7 +119,7 @@ function queryDataWithIndex(
   endTitle,
   projectId
 ) {
-  // [START query_data_with_index]
+  // [START spanner_query_data_with_index]
   // Imports the Google Cloud client library
   const Spanner = require('@google-cloud/spanner');
 
@@ -176,11 +176,11 @@ function queryDataWithIndex(
       // Close the database when finished.
       return database.close();
     });
-  // [END query_data_with_index]
+  // [END spanner_query_data_with_index]
 }
 
 function readDataWithIndex(instanceId, databaseId, projectId) {
-  // [START read_data_with_index]
+  // [START spanner_read_data_with_index]
   // Imports the Google Cloud client library
   const Spanner = require('@google-cloud/spanner');
 
@@ -228,11 +228,11 @@ function readDataWithIndex(instanceId, databaseId, projectId) {
       // Close the database when finished.
       return database.close();
     });
-  // [END read_data_with_index]
+  // [END spanner_read_data_with_index]
 }
 
 function readDataWithStoringIndex(instanceId, databaseId, projectId) {
-  // [START read_data_with_storing_index]
+  // [START spanner_read_data_with_storing_index]
   // "Storing" indexes store copies of the columns they index
   // This speeds up queries, but takes more space compared to normal indexes
   // See the link below for more information:
@@ -290,7 +290,7 @@ function readDataWithStoringIndex(instanceId, databaseId, projectId) {
       // Close the database when finished.
       return database.close();
     });
-  // [END read_data_with_storing_index]
+  // [END spanner_read_data_with_storing_index]
 }
 
 require(`yargs`)

samples/schema.js

@@ -16,7 +16,7 @@
 'use strict';
 
 function createDatabase(instanceId, databaseId, projectId) {
-  // [START create_database]
+  // [START spanner_create_database]
   // Imports the Google Cloud client library
   const Spanner = require('@google-cloud/spanner');
 
@@ -70,11 +70,11 @@ function createDatabase(instanceId, databaseId, projectId) {
     .catch(err => {
       console.error('ERROR:', err);
     });
-  // [END create_database]
+  // [END spanner_create_database]
 }
 
 function addColumn(instanceId, databaseId, projectId) {
-  // [START add_column]
+  // [START spanner_add_column]
   // Imports the Google Cloud client library
   const Spanner = require('@google-cloud/spanner');
 
@@ -115,11 +115,11 @@ function addColumn(instanceId, databaseId, projectId) {
       // Close the database when finished.
       return database.close();
     });
-  // [END add_column]
+  // [END spanner_add_column]
 }
 
 function queryDataWithNewColumn(instanceId, databaseId, projectId) {
-  // [START query_data_with_new_column]
+  // [START spanner_query_data_with_new_column]
   // This sample uses the `MarketingBudget` column. You can add the column
   // by running the `add_column` sample or by running this DDL statement against
   // your database:
@@ -173,7 +173,7 @@ function queryDataWithNewColumn(instanceId, databaseId, projectId) {
       // Close the database when finished.
       return database.close();
     });
-  // [END query_data_with_new_column]
+  // [END spanner_query_data_with_new_column]
 }
 
 require(`yargs`)

samples/transaction.js

@@ -16,7 +16,7 @@
 'use strict';
 
 function readOnlyTransaction(instanceId, databaseId, projectId) {
-  // [START read_only_transaction]
+  // [START spanner_read_only_transaction]
   // Imports the Google Cloud client library
   const Spanner = require('@google-cloud/spanner');
 
@@ -91,11 +91,11 @@ function readOnlyTransaction(instanceId, databaseId, projectId) {
         return database.close();
       });
   });
-  // [END read_only_transaction]
+  // [END spanner_read_only_transaction]
 }
 
 function readWriteTransaction(instanceId, databaseId, projectId) {
-  // [START read_write_transaction]
+  // [START spanner_read_write_transaction]
   // This sample transfers 200,000 from the MarketingBudget field
   // of the second Album to the first Album. Make sure to run the
   // addColumn and updateData samples first (in that order).
@@ -203,7 +203,7 @@ function readWriteTransaction(instanceId, databaseId, projectId) {
         return database.close();
       });
   });
-  // [END read_write_transaction]
+  // [END spanner_read_write_transaction]
 }
 
 require(`yargs`)

src/database.js

@@ -939,11 +939,11 @@ Database.prototype.getTransaction = function(options, callback) {
  * });
  *
  * @example <caption>include:samples/crud.js</caption>
- * region_tag:query_data
+ * region_tag:spanner_query_data
  * Full example:
  *
  * @example <caption>include:samples/indexing.js</caption>
- * region_tag:query_data_with_index
+ * region_tag:spanner_query_data_with_index
  * Querying data with an index:
  */
 Database.prototype.run = function(query, options, callback) {
@@ -1226,11 +1226,11 @@ Database.prototype.runStream = function(query, options) {
  * });
  *
  * @example <caption>include:samples/transaction.js</caption>
- * region_tag:read_only_transaction
+ * region_tag:spanner_read_only_transaction
  * Read-only transaction:
  *
  * @example <caption>include:samples/transaction.js</caption>
- * region_tag:read_write_transaction
+ * region_tag:spanner_read_write_transaction
  * Read-write transaction:
  */
 Database.prototype.runTransaction = function(options, runFn) {
@@ -1346,15 +1346,15 @@ Database.prototype.table = function(name) {
  *   });
  *
  * @example <caption>include:samples/schema.js</caption>
- * region_tag:add_column
+ * region_tag:spanner_add_column
  * Adding a column:
  *
  * @example <caption>include:samples/indexing.js</caption>
- * region_tag:create_index
+ * region_tag:spanner_create_index
  * Creating an index:
  *
  * @example <caption>include:samples/indexing.js</caption>
- * region_tag:create_storing_index
+ * region_tag:spanner_create_storing_index
  * Creating a storing index:
  */
 Database.prototype.updateSchema = function(statements, callback) {

src/instance.js

@@ -297,7 +297,7 @@ Instance.formatName_ = function(projectId, name) {
  *   });
  *
  * @example <caption>include:samples/schema.js</caption>
- * region_tag:create_database
+ * region_tag:spanner_create_database
  * Full example:
  */
 Instance.prototype.createDatabase = function(name, options, callback) {

src/table.js

@@ -371,7 +371,7 @@ Table.prototype.deleteRows = function(keys, callback) {
  *   });
  *
  * @example <caption>include:samples/crud.js</caption>
- * region_tag:insert_data
+ * region_tag:spanner_insert_data
  * Full example:
  */
 Table.prototype.insert = function(keyVals, callback) {
@@ -513,19 +513,19 @@ Table.prototype.insert = function(keyVals, callback) {
  *   });
  *
  * @example <caption>include:samples/crud.js</caption>
- * region_tag:read_data
+ * region_tag:spanner_read_data
  * Full example:
  *
  * @example <caption>include:samples/crud.js</caption>
- * region_tag:read_stale_data
+ * region_tag:spanner_read_stale_data
  * Reading stale data:
  *
  * @example <caption>include:samples/indexing.js</caption>
- * region_tag:read_data_with_index
+ * region_tag:spanner_read_data_with_index
  * Reading data using an index:
  *
  * @example <caption>include:samples/indexing.js</caption>
- * region_tag:read_data_with_storing_index
+ * region_tag:spanner_read_data_with_storing_index
  * Reading data using a storing index:
  */
 Table.prototype.read = function(keyVals, options, callback) {
@@ -629,7 +629,7 @@ Table.prototype.replace = function(keyVals, callback) {
  *   });
  *
  * @example <caption>include:samples/crud.js</caption>
- * region_tag:update_data
+ * region_tag:spanner_update_data
  * Full example:
  */
 Table.prototype.update = function(keyVals, callback) {