AnishKanth commented on issue #4603: Can not find a deserializer for non-concrete Map type URL: https://github.com/apache/incubator-pinot/issues/4603#issuecomment-534986977 > I'm still looking into this issue of POSTing data. > Meanwhile there is a workaround by dumping the schema into a file and upload the schema file. > Below is an example code snippet in python: > > ```python > import json > temp_schema_path='/tmp/sample_schema.json' > schema_payload = { "schemaName": "transcript", "dimensionFieldSpecs": [ { "name": "studentID", "dataType": "STRING" }, { "name": "firstName", "dataType": "STRING" }, { "name": "lastName", "dataType": "STRING" }, { "name": "gender", "dataType": "STRING" }, { "name": "subject", "dataType": "STRING" } ], "metricFieldSpecs": [ { "name": "score", "dataType": "FLOAT" } ] } > > with open(temp_schema_path, 'w') as fp: > json.dump(schema_payload, fp) > > > import requests > url_origin = "http://localhost:9000/schemas"; > with open(temp_schema_path, 'rb') as f: > r = requests.post(url_origin, files={'sample_schema.json': f}) > print(r.status_code) > ``` Now I can able to upload the schema through API itself.. Thanks a lot @fx19880617
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