curl -X PATCH 'https://app.memorylake.cn/openapi/memorylake/api/v3/workspaces/ws-8001856949ad4f6a5b6226f415ffa877/db-datasources/dbds-4b8e2f6a1c9d4e7b8a3f5c2d6e9b1a7c/schema-metadata' \
  -H 'Authorization: Bearer sk_xxxxxx' \
  -H 'Content-Type: application/json' \
  -d '{
    "items": [
      {
        "target": "table",
        "table_name": "orders",
        "comment": "One row per customer order"
      },
      {
        "target": "column",
        "table_name": "orders",
        "column_name": "total_amount",
        "comment": "Order total, including tax"
      },
      {
        "target": "column",
        "table_name": "orders",
        "column_name": "created_at",
        "comment": ""
      },
      {
        "target": "column",
        "table_name": "customers",
        "column_name": "city",
        "embedding_enabled": true
      }
    ]
  }'

{
  "success": true,
  "message": "Operation completed successfully"
}