Package org.apache.flink.table.expressions

Class UnresolvedTypeLiteralExpression

java.lang.Object

org.apache.flink.table.expressions.UnresolvedTypeLiteralExpression

All Implemented Interfaces:

org.apache.flink.table.expressions.Expression

@PublicEvolving
public class UnresolvedTypeLiteralExpression
extends Object
implements org.apache.flink.table.expressions.Expression

Unresolved type literal for a given UnresolvedDataType.

This is purely an API-facing expression with unvalidated arguments and unknown output data type.

Method Summary

Modifier and Type	Method	Description
<R> R	accept(org.apache.flink.table.expressions.ExpressionVisitor<R> visitor)
String	asSummaryString()
boolean	equals(Object o)
List<org.apache.flink.table.expressions.Expression>	getChildren()
org.apache.flink.table.types.UnresolvedDataType	getUnresolvedDataType()
int	hashCode()
org.apache.flink.table.expressions.TypeLiteralExpression	resolve(org.apache.flink.table.catalog.DataTypeFactory dataTypeFactory)
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

getUnresolvedDataType

public org.apache.flink.table.types.UnresolvedDataType getUnresolvedDataType()

resolve

public org.apache.flink.table.expressions.TypeLiteralExpression resolve(org.apache.flink.table.catalog.DataTypeFactory dataTypeFactory)

asSummaryString

public String asSummaryString()

Specified by:

asSummaryString in interface org.apache.flink.table.expressions.Expression

getChildren

public List<org.apache.flink.table.expressions.Expression> getChildren()

Specified by:

getChildren in interface org.apache.flink.table.expressions.Expression

accept

public <R> R accept(org.apache.flink.table.expressions.ExpressionVisitor<R> visitor)

Specified by:

accept in interface org.apache.flink.table.expressions.Expression

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object