Package org.apache.spark.sql.connector.expressions

Interface PartitionFieldReference

All Superinterfaces:

Expression, NamedReference

@Evolving
public interface PartitionFieldReference
extends NamedReference

A reference to a partition field in Table.partitioning().

NamedReference.fieldNames() returns the partition field name (or names) as reported by the table's partition schema. ordinal() returns the 0-based position in Table.partitioning().

Since:

4.2.0

Field Summary

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

EMPTY_EXPRESSION, EMPTY_NAMED_REFERENCE

Method Summary

Modifier and Type	Method	Description
int	ordinal()	Returns the 0-based ordinal of this partition field in Table.partitioning().

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

describe

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

children, fieldNames, references

Method Details

ordinal

int ordinal()

Returns the 0-based ordinal of this partition field in Table.partitioning().