def CreateFromRangeInterval(firstTime: datetime, lastTime: datetime,
interval: timedelta, tolerance: timedelta):
"""
Creates a seek filter over a single date range (inclusive list), skipping values
based on specified `timedelta` interval and tolerance.
Parameters
----------
firstTime: the first time if the query (inclusive).
lastTime: the last time of the query (inclusive).
interval: the exact interval for the scan. Example: 0.1 seconds.
tolerance: the width of every window. Example: 0.001 seconds.
"""
return timestampSeekFilter(Ticks.FromDateTime(firstTime),
Ticks.FromDateTime(lastTime),
Ticks.FromTimeDelta(interval),
Ticks.FromTimeDelta(interval),
Ticks.FromTimeDelta(tolerance))
def CreateFromRangeSubInterval(firstTime: datetime, lastTime: datetime,
mainInterval: timedelta,
subInterval: timedelta,
tolerance: timedelta):
"""
Creates a seek filter over a single date range (inclusive list), skipping values
based on specified `timedelta` main /sub intervals and tolerance.
Parameters
----------
firstTime: the first time if the query (inclusive).
lastTime: the last time of the query (inclusive).
mainInterval: the smallest interval that is exact. Example: 0.1 seconds.
subInterval: the interval that will be parsed (round possible). Example: 0.0333333 seconds.
tolerance: the width of every window. Example: 0.001 seconds.
"""
return timestampSeekFilter(Ticks.FromDateTime(firstTime),
Ticks.FromDateTime(lastTime),
Ticks.FromTimeDelta(mainInterval),
Ticks.FromTimeDelta(subInterval),
Ticks.FromTimeDelta(tolerance))
def Save(self, stream: binaryStream):
stream.WriteByte(0)
stream.WriteUInt64(Ticks.FromTimeDelta(self.timeout))
stream.WriteUInt64(self.maxReturnedCount)
stream.WriteUInt64(self.maxScanCount)
stream.WriteUInt64(self.maxSeekCount)