org.apache.paimon.flink.action.cdc

Class Expression.CastExpression

java.lang.Object

org.apache.paimon.flink.action.cdc.Expression.CastExpression

All Implemented Interfaces:

Serializable, Expression

Enclosing interface:

Expression

public static final class Expression.CastExpression
extends Object
implements Expression

Get constant value.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.paimon.flink.action.cdc.Expression

Expression.CastExpression, Expression.DateFormat, Expression.ExpressionCreator, Expression.ExpressionFunction, Expression.ReferencedField, Expression.Substring, Expression.TemporalExpressionBase<T>, Expression.TemporalToIntConverter, Expression.TruncateComputer

Method Summary

Modifier and Type	Method and Description
String	eval(String input) Compute value from given input.
String	fieldReference() Return name of referenced field.
DataType	outputType() Return DataType of computed value.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.paimon.flink.action.cdc.Expression

cast, create, substring, truncate

Method Detail

fieldReference

public String fieldReference()

Description copied from interface: Expression

Return name of referenced field.

Specified by:

fieldReference in interface Expression

outputType

public DataType outputType()

Description copied from interface: Expression

Return DataType of computed value.

Specified by:

outputType in interface Expression

eval

public String eval(String input)

Description copied from interface: Expression

Compute value from given input. Input and output are serialized to string.

Specified by:

eval in interface Expression