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

All Methods Static Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default java.lang.Boolean`	`containsNaN()`	Returns true if at least one data file in the manifest has a NaN value for the field.
`boolean`	`containsNull()`	Returns true if at least one data 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 data file in the manifest has a null value for the field.
  - containsNaN
```
default java.lang.Boolean containsNaN()
```
    Returns true if at least one data 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