com.exasol.adapter.sql

Class SqlPredicateIsNull

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 and Description
SqlPredicateIsNull(SqlNode expression)

Method Summary

Modifier and Type	Method and Description
<R> R	accept(SqlNodeVisitor<R> visitor) See SqlNodeVisitor
SqlNode	getExpression()
SqlNodeType	getType()
String	toSimpleSql()

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()

toSimpleSql

public String toSimpleSql()

Returns:

A SQL representation of the current graph, using EXASOL SQL syntax. It is called "SIMPLE" because it is not guaranteed to be 100 % correct SQL (e.g. might be ambiguous).

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