[This topic is pre-release documentation and is subject to change in future releases. Blank topics are included as placeholders.]
Check if the field identified by the field name is of type long according to the schema.
Namespace: net.esper.view
Assembly:
NEsper (in NEsper.dll)
Syntax
Visual Basic (Declaration) |
---|
Public Shared Function CheckLong ( _
type As EventType, _
longFieldName As String _
) As String |
Parameters
- type
- net.esper.events.EventType
contains metadata about fields
- longFieldName
- System.String
is the field's field name to test
Return Value
a String error message if the field doesn't exist or is not a long, or null to indicate success