{
"metadata": {
"id": "sqlserver_transaction_boundaries_v1",
"source_type": "sqlserver",
"protocol_version": "cdc_change_table_v1",
"source_version": "sqlserver>=2019",
"fixture_version": 1,
"description": "SQL Server fixture showing control-event begin/commit transaction boundaries around buffered DML.",
"tags": ["sqlserver", "transaction", "control", "marker_sequence"],
"expected_event_count": 4,
"captured_at": "2026-05-21T00:00:00Z"
},
"messages": [
{
"seq": 0,
"message_type": "Control",
"payload": "{\"kind\":\"begin_transaction\",\"tx_id\":9001}",
"tags": ["control", "transactional"]
},
{
"seq": 1,
"message_type": "Capture",
"payload": "{\"schema\":\"dbo\",\"table\":\"orders\",\"after\":{\"id\":100,\"status\":\"new\"},\"primary_key\":[\"id\"]}",
"tags": ["dml"]
},
{
"seq": 2,
"message_type": "Update",
"payload": "{\"schema\":\"dbo\",\"table\":\"orders\",\"before\":{\"id\":100,\"status\":\"new\"},\"after\":{\"id\":100,\"status\":\"packed\"},\"primary_key\":[\"id\"]}",
"tags": ["dml"]
},
{
"seq": 3,
"message_type": "Control",
"payload": "{\"kind\":\"commit_transaction\",\"tx_id\":9001}",
"tags": ["control", "transactional"]
}
]
}