feat: add ChangeStreamConfig to CreateTable and UpdateTable

PiperOrigin-RevId: 534836567

google/bigtable/admin/v2/bigtable_table_admin.proto

@@ -600,11 +600,15 @@ message UpdateTableRequest {
   Table table = 1 [(google.api.field_behavior) = REQUIRED];
 
   // Required. The list of fields to update.
-  // A mask specifying which fields (e.g. `deletion_protection`) in the `table`
+  // A mask specifying which fields (e.g. `change_stream_config`) in the `table`
   // field should be updated. This mask is relative to the `table` field, not to
   // the request message. The wildcard (*) path is currently not supported.
-  // Currently UpdateTable is only supported for the following field:
-  //  * `deletion_protection`
+  // Currently UpdateTable is only supported for the following fields:
+  //
+  // * `change_stream_config`
+  // * `change_stream_config.retention_period`
+  // * `deletion_protection`
+  //
   // If `column_families` is set in `update_mask`, it will return an
   // UNIMPLEMENTED error.
   google.protobuf.FieldMask update_mask = 2

google/bigtable/admin/v2/table.proto

@@ -48,6 +48,16 @@ message RestoreInfo {
   }
 }
 
+// Change stream configuration.
+message ChangeStreamConfig {
+  // How long the change stream should be retained. Change stream data older
+  // than the retention period will not be returned when reading the change
+  // stream from the table.
+  // Values must be at least 1 day and at most 7 days, and will be truncated to
+  // microsecond granularity.
+  google.protobuf.Duration retention_period = 1;
+}
+
 // A collection of user data indexed by row, column, and timestamp.
 // Each table is served using the resources of its parent cluster.
 message Table {
@@ -157,6 +167,11 @@ message Table {
   // field will be populated with information about the restore.
   RestoreInfo restore_info = 6 [(google.api.field_behavior) = OUTPUT_ONLY];
 
+  // If specified, enable the change stream on this table.
+  // Otherwise, the change stream is disabled and the change stream is not
+  // retained.
+  ChangeStreamConfig change_stream_config = 8;
+
   // Set to true to make the table protected against data loss. i.e. deleting
   // the following resources through Admin APIs are prohibited:
   //   - The table.