query

title	weight
Hyperledger Fabric Query	4603

Query

This activity supports Hyperledger Fabric CouchDB query

Schema

Inputs and Outputs:

{
  "inputs": [
            {
                "name": "model",
                "type": "string"
            },
           {
                "name": "assetName",
                "type": "string",
                "required": true
           },
           {
            "name": "params",
            "type": "complex_object",
            "required": false,
            "display":{
                "name": "Define parameters used in query string",
                "type": "params",
                "schema": "{\"type\":\"array\",\"items\":{\"type\":\"object\",\"properties\":{\"paramName\":{\"type\":\"string\"},\"type\":{\"type\":{\"enum\":[\"string\",\"number\",\"boolean\"]}}}}}"
            }
       },
           {
            "name": "queryString",
            "type": "string",
            "required": true
           },
           {
            "name": "input",
            "type": "complex_object",
            "required": false
           },
           {
            "name": "containerServiceStub",
            "type": "any",
            "required":true
           }
    ],
  
    "outputs": [
        {
            "name": "output",
            "type": "complex_object",
            "required": true
        }
    ]
}

Settings

Setting	Required	Description
model	True	Select the common data model, must be the same as the one selected in Trigger
assetName	True	Select the asset to query
params	False	Define input parameters
queryString	True	CouchDB query string, use _$paramName (paramName is defined in params) for input parameters
containerServiceStub	True	This is the handler to underlying blockchain service, should always be mapped to $flow.containerServiceStub

Input Schema

The json schema is automatically created

Ouput Schema

The json schema is automatically created