SqlPredicateIsNull (Common module of Exasol Virtual Schemas Adapters 12.0.0 API)

java.lang.Object
- com.exasol.adapter.sql.SqlNode
- - com.exasol.adapter.sql.SqlPredicate
  - - com.exasol.adapter.sql.SqlPredicateIsNull

public class SqlPredicateIsNull
extends SqlPredicate

Constructor Summary

Constructors
Constructor Description

SqlPredicateIsNull(SqlNode expression)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`<R> R`	`accept(SqlNodeVisitor<R> visitor)`	See `SqlNodeVisitor`
`SqlNode`	`getExpression()`
`SqlNodeType`	`getType()`

Methods inherited from class com.exasol.adapter.sql.SqlPredicate
getFunction

Methods inherited from class com.exasol.adapter.sql.SqlNode
getParent, hasParent, setParent

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

- Constructor Detail
  - SqlPredicateIsNull
```
public SqlPredicateIsNull(SqlNode expression)
```
- Method Detail
  - getExpression
```
public SqlNode getExpression()
```
  - getType
```
public SqlNodeType getType()
```
    Specified by:
    
    getType in class SqlNode
  - accept
```
public <R> R accept(SqlNodeVisitor<R> visitor)
             throws AdapterException
```
    Description copied from class: SqlNode
    
    See SqlNodeVisitor
    
    Specified by:
    
    accept in class SqlNode
    
    Type Parameters:
    
    R - generic SqlNodeVisitor type
    
    Parameters:
    
    visitor - The visitor object on which the appropriate visit(sqlNode) method is called
    
    Returns:
    
    visited object
    
    Throws:
    
    AdapterException - can be thrown