feat: A new value SUBSCRIPTION_CALCULATION_STATUS is added to enum …

…`SqlExternalSyncSettingErrorType`

feat: A new field `threads` is added to message `.google.cloud.sql.v1.ExportContext`
feat: A new field `parallel` is added to message `.google.cloud.sql.v1.ExportContext`
docs: A comment for enum `SqlNetworkArchitecture` is changed
docs: A comment for enum value `NEW_NETWORK_ARCHITECTURE` in enum `SqlNetworkArchitecture` is changed
docs: A comment for enum value `OLD_NETWORK_ARCHITECTURE` in enum `SqlNetworkArchitecture` is changed

PiperOrigin-RevId: 606684808

google/cloud/sql/v1/cloud_sql_instances.proto

@@ -1018,14 +1018,14 @@ message DatabaseInstance {
     optional int32 sql_min_recommended_increase_size_gb = 2;
   }
 
-  // The current SQL network architecture for the instance.
+  // The SQL network architecture for the instance.
   enum SqlNetworkArchitecture {
     SQL_NETWORK_ARCHITECTURE_UNSPECIFIED = 0;
 
-    // Instance is a Tenancy Unit (TU) instance.
+    // The instance uses the new network architecture.
     NEW_NETWORK_ARCHITECTURE = 1;
 
-    // Instance is an Umbrella instance.
+    // The instance uses the old network architecture.
     OLD_NETWORK_ARCHITECTURE = 2;
   }
 
@@ -1439,6 +1439,10 @@ message SqlExternalSyncSettingError {
 
     // Unable to verify definers on the source for MySQL.
     UNABLE_TO_VERIFY_DEFINERS = 39;
+
+    // If a time out occurs while the subscription counts are calculated, then
+    // this value is set to 1. Otherwise, this value is set to 2.
+    SUBSCRIPTION_CALCULATION_STATUS = 40;
   }
 
   // Can be `sql#externalSyncSettingError` or

google/cloud/sql/v1/cloud_sql_resources.proto

@@ -328,6 +328,14 @@ message ExportContext {
     google.protobuf.BoolValue schema_only = 2;
 
     MysqlExportOptions mysql_export_options = 3;
+
+    // Optional. The number of threads to use for parallel export.
+    google.protobuf.Int32Value threads = 4
+        [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. Whether or not the export should be parallel.
+    google.protobuf.BoolValue parallel = 5
+        [(google.api.field_behavior) = OPTIONAL];
   }
 
   // Options for exporting BAK files (SQL Server-only)