SqlSumAggFunction (Apache Calcite API)

java.lang.Object
- org.apache.calcite.sql.SqlOperator
- - org.apache.calcite.sql.SqlFunction
  - - org.apache.calcite.sql.SqlAggFunction
    - - org.apache.calcite.sql.fun.SqlSumAggFunction

All Implemented Interfaces:

Context, Wrapper
```
public class SqlSumAggFunction
extends SqlAggFunction
```
Sum is an aggregator which returns the sum of the values which go into it. It has precisely one argument of numeric type (int, long, float, double), and the result is the same type.

Field Summary

Fields
Modifier and Type Field Description

private RelDataType type
Deprecated.
- Fields inherited from class org.apache.calcite.sql.SqlOperator
  kind, MDX_PRECEDENCE, NL

Constructor Summary

Constructors
Constructor Description

SqlSumAggFunction(RelDataType type)

Method Summary

All Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method	Description
`java.util.List<RelDataType>`	`getParameterTypes(RelDataTypeFactory typeFactory)`
`RelDataType`	`getReturnType(RelDataTypeFactory typeFactory)`
`RelDataType`	`getType()`	Deprecated.
`<T> T`	`unwrap(java.lang.Class<T> clazz)`	Finds an instance of an interface implemented by this object, or returns null if this object does not support that interface.

Methods inherited from class org.apache.calcite.sql.SqlAggFunction
allowsFilter, isAggregator, isQuantifierAllowed, requiresGroupOrder, requiresOrder, requiresOver, validateCall

Methods inherited from class org.apache.calcite.sql.SqlFunction
deriveType, getFunctionType, getNameAsId, getParamNames, getParamTypes, getSqlIdentifier, getSyntax, unparse, validateQuantifier

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - type
```
@Deprecated
private final RelDataType type
```
    Deprecated.
- Constructor Detail
  - SqlSumAggFunction
```
public SqlSumAggFunction(RelDataType type)
```
- Method Detail
  - getParameterTypes
```
public java.util.List<RelDataType> getParameterTypes(RelDataTypeFactory typeFactory)
```
    Overrides:
    
    getParameterTypes in class SqlAggFunction
  - getType
```
@Deprecated
public RelDataType getType()
```
    Deprecated.
  - getReturnType
```
public RelDataType getReturnType(RelDataTypeFactory typeFactory)
```
    Overrides:
    
    getReturnType in class SqlAggFunction
  - unwrap
```
public <T> T unwrap(java.lang.Class<T> clazz)
```
    Description copied from interface: Wrapper
    
    Finds an instance of an interface implemented by this object, or returns null if this object does not support that interface.
    
    Specified by:
    
    unwrap in interface Wrapper
    
    Overrides:
    
    unwrap in class SqlAggFunction