Incremental removal is not really supported for mssql

big_tests/tests/domain_removal_SUITE.erl

@@ -66,7 +66,16 @@ end_per_suite(Config) ->
 %%%===================================================================
 %%% Group specific setup/teardown
 %%%===================================================================
+init_per_group(Group, Config)
+  when Group =:= mam_removal_incremental; Group =:= inbox_removal_incremental ->
+    case rpc(mim(), mongoose_rdbms, db_engine, [host_type()]) of
+        odbc -> {skip, mssql_not_supported_for_incremental_removals};
+        _ -> do_init_per_group(Group, Config)
+    end;
 init_per_group(Group, Config) ->
+    do_init_per_group(Group, Config).
+
+do_init_per_group(Group, Config) ->
     case mongoose_helper:is_rdbms_enabled(host_type()) of
         true ->
             HostTypes = domain_helper:host_types(),

doc/modules/mod_inbox.md

@@ -56,6 +56,9 @@ How often the automatic garbage collection runs over the bin.
 
 Domain deletion can be an expensive operation, as it requires to delete potentially many thousands of records from the DB. By default, the delete operation deletes everything in a transaction, but it might be desired, to handle timeouts and table locks more gracefully, to delete the records in batches. This limit establishes the size of the batch.
 
+!!! Note
+    Not supported by MSSQL.
+
 ### `modules.mod_inbox.reset_markers`
 * **Syntax:** array of strings, out of `"displayed"`, `"received"`, `"acknowledged"`
 * **Default:** `["displayed"]`

doc/modules/mod_mam.md

@@ -368,6 +368,9 @@ See [Message Archive Management extensions](../open-extensions/mam.md).
 
 Domain deletion can be an expensive operation, as it requires to delete potentially many thousands of records from the DB. By default, the delete operation deletes everything in a transaction, but it might be desired, to handle timeouts and table locks more gracefully, to delete the records in batches. This limit establishes the size of the batch.
 
+!!! Note
+    Not supported by MSSQL.
+
 #### `modules.mod_mam.db_jid_format`
 
 * **Syntax:** string, one of `"mam_jid_rfc"`, `"mam_jid_rfc_trust"`, `"mam_jid_mini"` or a module implementing `mam_jid` behaviour