CommonTypeStrategy (Flink : Table : Common 2.1.0 API)

java.lang.Object
- org.apache.flink.table.types.inference.strategies.CommonTypeStrategy

All Implemented Interfaces:

TypeStrategy
```
@Internal
public final class CommonTypeStrategy
extends Object
implements TypeStrategy
```
Type strategy that returns a common, least restrictive type of selected arguments.

Constructor Summary

Constructors
Constructor Description

CommonTypeStrategy()

CommonTypeStrategy(ArgumentCount argumentRange)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(Object o)`
`int`	`hashCode()`
`Optional<DataType>`	`inferType(CallContext callContext)`	Infers a type from the given function call.

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

- Constructor Detail
  - CommonTypeStrategy
```
public CommonTypeStrategy()
```
  - CommonTypeStrategy
```
public CommonTypeStrategy(ArgumentCount argumentRange)
```
- Method Detail
  - inferType
```
public Optional<DataType> inferType(CallContext callContext)
```
    Description copied from interface: TypeStrategy
    
    Infers a type from the given function call.
    
    Specified by:
    
    inferType in interface TypeStrategy
  - equals
```
public boolean equals(Object o)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object