QdbTimestampColumnFirst Method (IEnumerableQdbTimeInterval)

Gets the first points (ie the one with the oldest timestamp) of each interval

Namespace: Quasardb.TimeSeries
Assembly: Quasardb (in Quasardb.dll) Version: 3.10.2.0 (3.10.2.0)

Syntax

public IEnumerable<QdbTimestampPoint> First(
	IEnumerable<QdbTimeInterval> intervals
)

Public Function First ( 
	intervals As IEnumerable(Of QdbTimeInterval)
) As IEnumerable(Of QdbTimestampPoint)

intervals: Type: System.Collections.GenericIEnumerableQdbTimeInterval
The time intervals to scan

Type: IEnumerableQdbTimestampPoint
The first point in each interval (null when there is no point in an interval)

QdbTimestampColumnAddLanguageSpecificTextSet("LST95B584CA_0?cpp=::|nu=.");First Method (IEnumerableAddLanguageSpecificTextSet("LST95B584CA_1?cs=&lt;|vb=(Of |cpp=&lt;|fs=&lt;'|nu=(");QdbTimeIntervalAddLanguageSpecificTextSet("LST95B584CA_2?cs=&gt;|vb=)|cpp=&gt;|fs=&gt;|nu=)");)