Package org.apache.torque.util.functions
Klasse Count
java.lang.Object
org.apache.torque.util.functions.AggregateFunction
org.apache.torque.util.functions.Count
- Alle implementierten Schnittstellen:
Column
,SQLFunction
SQL99 Standard count function.
- Version:
- $Id: Count.java 1848281 2018-12-06 10:48:36Z tv $
-
Konstruktorübersicht
KonstruktorenKonstruktorBeschreibungConstruct an COUNT function class with an SQL expression to count.Construct an COUNT function class with the column to count.Construct an COUNT function class with the column to count and possibly a distinct modifier. -
Methodenübersicht
Modifizierer und TypMethodeBeschreibungvoid
setFunction
(String function) This method cannot be called, an UnsupportedOperationException will always be thrown.Von Klasse geerbte Methoden org.apache.torque.util.functions.AggregateFunction
getArgument, getArguments, getColumn, getColumnName, getFullTableName, getFunction, getSchemaName, getSqlExpression, getTableName, isDistinct, setArguments, setColumn
-
Konstruktordetails
-
Count
Construct an COUNT function class with the column to count.- Parameter:
column
- the Column to count.
-
Count
Construct an COUNT function class with an SQL expression to count.- Parameter:
sqlExpression
- the SQL expression to count.
-
Count
Construct an COUNT function class with the column to count and possibly a distinct modifier.- Parameter:
column
- the Column to count.distinct
- whether to count only over distinct values.
-
-
Methodendetails
-
setFunction
This method cannot be called, an UnsupportedOperationException will always be thrown.- Setzt außer Kraft:
setFunction
in KlasseAggregateFunction
- Parameter:
function
- disregarded.- Löst aus:
UnsupportedOperationException
- always.
-