WIP: SQL Server testing

Author: def-

ci/nightly/pipeline.template.yml

@@ -695,6 +695,16 @@ steps:
           queue: hetzner-aarch64-4cpu-8gb
         # the mzbuild postgres version will be used, which depends on the Dockerfile specification
 
+      - id: sql-server-cdc-old-syntax
+        label: SQL Server CDC tests (before source versioning)
+        depends_on: build-x86_64
+        timeout_in_minutes: 60
+        plugins:
+          - ./ci/plugins/mzcompose:
+              composition: sql-server-cdc-old-syntax
+        agents:
+          queue: hetzner-x86-64-4cpu-8gb
+
       - id: pg-cdc-migration
         label: Postgres CDC source-versioning migration tests
         depends_on: build-aarch64
@@ -716,6 +726,16 @@ steps:
         agents:
           queue: hetzner-aarch64-8cpu-16gb
 
+      - id: sql-server-cdc-resumption-old-syntax
+        label: SQL Server CDC resumption tests (before source versioning)
+        depends_on: build-x86_64
+        timeout_in_minutes: 60
+        plugins:
+          - ./ci/plugins/mzcompose:
+              composition: sql-server-cdc-resumption-old-syntax
+        agents:
+          queue: hetzner-x86-64-4cpu-8gb
+
       - id: pg-rtr-old-syntax
         label: Postgres RTR tests (before source versioning)
         depends_on: build-aarch64

misc/python/materialize/mzcompose/__init__.py

@@ -110,6 +110,7 @@ def get_minimal_system_parameters(
         "enable_reduce_mfp_fusion": "true",
         "enable_refresh_every_mvs": "true",
         "enable_cluster_schedule_refresh": "true",
+        "enable_sql_server_source": "true",
         "enable_statement_lifecycle_logging": "true",
         "enable_compute_temporal_bucketing": "true",
         "enable_variadic_left_join_lowering": "true",