public class Sum extends AggregateFunction
| Constructor and Description | 
|---|
| Sum(Column column)Construct an SUM function class with the column to sum over. | 
| Sum(Column column,
   boolean distinct)Construct an SUM function class with the column to sum over
 and possibly a distinct modifier. | 
| Sum(String sqlExpression)Construct an SUM function class with an SQL expression to sum over. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | setFunction(String function)This method cannot be called, an UnsupportedOperationException
 will always be thrown. | 
getArgument, getArguments, getColumn, getColumnName, getFullTableName, getFunction, getSchemaName, getSqlExpression, getTableName, isDistinct, setArguments, setColumnpublic 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.public void setFunction(String function)
setFunction in class AggregateFunctionfunction - disregarded.UnsupportedOperationException - always.Copyright © 2000–2020 The Apache Software Foundation. All rights reserved.