Enum SortFieldType

Specifies the type of the terms to be sorted, or special types such as CUSTOM

Namespace: Lucene.Net.Search
Assembly: Lucene.Net.dll
Syntax
public enum SortFieldType

Fields

Name Description
BYTE

Sort using term values as encoded System.Bytes. Sort values are System.Byte and lower values are at the front.
BYTES

Sort use byte[] index values.

CUSTOM

Sort using a custom System.Collections.Generic.IComparer<T>. Sort values are any System.IComparable<T> and sorting is done according to natural order.
DOC

Sort by document number (index order). Sort values are System.Int32 and lower values are at the front.
DOUBLE

Sort using term values as encoded System.Doubles. Sort values are System.Double and lower values are at the front.
INT16

Sort using term values as encoded System.Int16s. Sort values are System.Int16 and lower values are at the front.

NOTE: This was SHORT in Lucene
INT32

Sort using term values as encoded System.Int32s. Sort values are System.Int32 and lower values are at the front.

NOTE: This was INT in Lucene
INT64

Sort using term values as encoded System.Int64s. Sort values are System.Int64 and lower values are at the front.

NOTE: This was LONG in Lucene
REWRITEABLE

Force rewriting of SortField using Rewrite(IndexSearcher) before it can be used for sorting
SCORE

Sort by document score (relevance). Sort values are System.Single and higher values are at the front.
SINGLE

Sort using term values as encoded System.Singles. Sort values are System.Single and lower values are at the front.

NOTE: This was FLOAT in Lucene
STRING

Sort using term values as System.Strings. Sort values are System.Strings and lower values are at the front.
STRING_VAL

Sort using term values as System.Strings, but comparing by value (using CompareTo(BytesRef)) for all comparisons. this is typically slower than STRING, which uses ordinals to do the sorting.

Extension Methods