[
{
    "schedule_name": "orchestrator-test",
    "pipelines_query": "SELECT pipelines.*, models FROM `pipelines` JOIN `models` ON KEYS pipelines.model_id;",
    "opc_servers_query": "select META().id, opc_servers.* from `opc_servers`;"
},
{
    "schedule_name": "orchestrator-test",
    "pipelines_query": {
        "collection": "pipelines",
        "aggregation": [
            {
                "$lookup": {
                    "from": "models",
                    "localField": "model_id",
                    "foreignField": "id",
                    "as": "model_docs"
                }
            },
            {
                "$addFields": {
                    "models": { "$arrayElemAt": ["$model_docs", 0] }
                }
            },
            {
                "$project": {
                "model_docs": 0
                }  
            }
        ]
    },
    "opc_servers_query": {
        "collection": "opc-servers",
        "filters": {}
    }
}
]