org.apache.iceberg

Interface ManifestFile.PartitionFieldSummary

All Known Implementing Classes:

GenericPartitionFieldSummary

Enclosing interface:

ManifestFile

public static interface ManifestFile.PartitionFieldSummary

Summarizes the values of one partition field stored in a manifest file.

Method Summary

Modifier and Type	Method and Description
default java.lang.Boolean	containsNaN() Returns true if at least one file in the manifest has a NaN value for the field.
boolean	containsNull() Returns true if at least one file in the manifest has a null value for the field.
ManifestFile.PartitionFieldSummary	copy() Copies this summary.
static Types.StructType	getType()
java.nio.ByteBuffer	lowerBound() Returns a ByteBuffer that contains a serialized bound lower than all values of the field.
java.nio.ByteBuffer	upperBound() Returns a ByteBuffer that contains a serialized bound higher than all values of the field.

Method Detail

getType

static Types.StructType getType()

containsNull

boolean containsNull()

Returns true if at least one file in the manifest has a null value for the field.

containsNaN

default java.lang.Boolean containsNaN()

Returns true if at least one file in the manifest has a NaN value for the field. Null if this information doesn't exist.

Default to return null to ensure backward compatibility.

lowerBound

java.nio.ByteBuffer lowerBound()

Returns a ByteBuffer that contains a serialized bound lower than all values of the field.

upperBound

java.nio.ByteBuffer upperBound()

Returns a ByteBuffer that contains a serialized bound higher than all values of the field.

copy

ManifestFile.PartitionFieldSummary copy()

Copies this summary. Readers can reuse instances; use this method to make defensive copies.

Returns:

a copy of this partition field summary