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java.lang.Objectorg.apache.torque.util.functions.AggregateFunction
org.apache.torque.util.functions.Sum
public class Sum
SQL99 Standard sum function.
| Constructor Summary | |
|---|---|
Sum(Column column)
Construct an SUM function class with the column to sum over. |
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Sum(Column column,
boolean distinct)
Construct an SUM function class with the column to sum over and possibly a distinct modifier. |
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Sum(String sqlExpression)
Construct an SUM function class with an SQL expression to sum over. |
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| Method Summary | |
|---|---|
void |
setFunction(String function)
This method cannot be called, an UnsupportedOperationException will always be thrown. |
| Methods inherited from class org.apache.torque.util.functions.AggregateFunction |
|---|
getArgument, getArguments, getColumn, getColumnName, getFullTableName, getFunction, getSchemaName, getSqlExpression, getTableName, isDistinct, setArguments, setColumn |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public Sum(Column column)
column - the Column to sum over.public Sum(String sqlExpression)
sqlExpression - the SQL expression to sum over.
public Sum(Column column,
boolean distinct)
column - the Column to sum over.distinct - whether to count only over distinct values.| Method Detail |
|---|
public void setFunction(String function)
setFunction in class AggregateFunctionfunction - disregarded.
UnsupportedOperationException - always.
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