OrcFilters.IsNull (Flink : 2.0-SNAPSHOT API)

java.lang.Object
- org.apache.flink.orc.OrcFilters.Predicate
- - org.apache.flink.orc.OrcFilters.IsNull

All Implemented Interfaces:

Serializable

Enclosing class:

OrcFilters
```
public static class OrcFilters.IsNull
extends OrcFilters.Predicate
```
An IS_NULL predicate that can be evaluated by the OrcInputFormat.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

IsNull(String columnName, org.apache.hadoop.hive.ql.io.sarg.PredicateLeaf.Type literalType)
Creates an IS_NULL predicate.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`org.apache.hadoop.hive.ql.io.sarg.SearchArgument.Builder`	`add(org.apache.hadoop.hive.ql.io.sarg.SearchArgument.Builder builder)`
`String`	`toString()`

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

Constructor Detail
- IsNull
```
public IsNull(String columnName,
              org.apache.hadoop.hive.ql.io.sarg.PredicateLeaf.Type literalType)
```
  Creates an IS_NULL predicate.
  
  Parameters:
  
  columnName - The column to check for null.
  
  literalType - The type of the column to check for null.

Method Detail

add

public org.apache.hadoop.hive.ql.io.sarg.SearchArgument.Builder add(org.apache.hadoop.hive.ql.io.sarg.SearchArgument.Builder builder)

Specified by:: add in class OrcFilters.Predicate

toString
```
public String toString()
```
Overrides:

toString in class Object