4D v18
entitySelection.length
- Manual de lenguaje 4D
-
- ORDA - EntitySelection
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- entitySelection.{attributeName}
- entitySelection.length
- entitySelection.queryPath
- entitySelection.queryPlan
- entitySelection[index]
- entitySelection.or( )
- entitySelection.orderBy( )
- entitySelection.drop( )
- entitySelection.query( )
- entitySelection.add( )
- entitySelection.isOrdered( )
- entitySelection.minus( )
- entitySelection.first( )
- entitySelection.last( )
- entitySelection.toCollection( )
- entitySelection.contains( )
- entitySelection.and( )
- entitySelection.sum( )
- entitySelection.count( )
- entitySelection.min( )
- entitySelection.max( )
- entitySelection.slice( )
- entitySelection.distinct( )
- entitySelection.average( )
- entitySelection.getDataClass( )
- entitySelection.orderByFormula( )
- Create entity selection
- USE ENTITY SELECTION
4D v18
entitySelection.length
entitySelection.length
| Parámetro | Tipo | Descripción | ||||||
| entitySelection.length | Entero largo |
|
Número de entidades en la entity selection | |||||
La propiedad entitySelection.length devuelve el número de entidades en la entity selection. Si la entity selection está vacía, devuelve 0.
Las entity selections siempre tienen una propiedad length.
C_LONGINT(vSize)
vSize:=ds.Employee.query("gender = :1";"male").length
ALERT(String(vSize)+" male employees found.")
Ver también
PROPIEDADES
Producto: 4D
Tema: ORDA - EntitySelection
HISTORIA
Creado por: 4D v17
ARTICLE USAGE
Manual de lenguaje 4D ( 4D v18)
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