org.apache.spark.sql.connector.expressions

Interface SortOrder

All Superinterfaces:

Expression

@Experimental
public interface SortOrder
extends Expression

Represents a sort order in the public expression API.

Since:

3.2.0

Field Summary

Fields inherited from interface org.apache.spark.sql.connector.expressions.Expression

EMPTY_EXPRESSION, EMPTY_NAMED_REFERENCE

Method Summary

Modifier and Type	Method and Description
default Expression[]	children() Returns an array of the children of this node.
SortDirection	direction() Returns the sort direction.
Expression	expression() Returns the sort expression.
NullOrdering	nullOrdering() Returns the null ordering.

Methods inherited from interface org.apache.spark.sql.connector.expressions.Expression

describe, references

Method Detail

expression

Expression expression()

Returns the sort expression.

direction

SortDirection direction()

Returns the sort direction.

nullOrdering

NullOrdering nullOrdering()

Returns the null ordering.

children

default Expression[] children()

Description copied from interface: Expression

Returns an array of the children of this node. Children should not change.

Specified by:

children in interface Expression