 | ExpressionsFirst Method (String) |
First-value (windowed) aggregation function.
Namespace:
com.espertech.esper.common.client.soda
Assembly:
NEsper.Common (in NEsper.Common.dll) Version: 8.0.0.0
Syntaxpublic static FirstProjectionExpression First(
string propertyName
)
Parameters
- propertyName
- Type: SystemString
name of the property providing the values to aggregate.
Return Value
Type:
FirstProjectionExpressionexpression
See Also