otp.Query

class Query(query_object=None, out_pin=utils.adaptive, symbol=utils.adaptive, start=utils.adaptive, end=utils.adaptive, params=None, schema=None, **kwargs)

Bases: onetick.py.core.source.Source

Create data source object from .otq file or query object

Parameters

• query_object (path or query) – query to use as a data source

• out_pin (str) – query output pin name

• symbol (None, onetick.py.adaptive) – Symbol(s) from which data should be taken.

• start (datetime.datetime, otp.datetime or utils.adaptive) – Time interval from which the data should be taken.

• end (datetime.datetime, otp.datetime or utils.adaptive) – Time interval from which the data should be taken.

• params (dict) – params to pass to query. Only applicable to string query_object