[LUCENE-1435] CollationKeyFilter: convert tokens into CollationKeys encoded using IndexableBinaryStringTools

• Type: New Feature
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.4
• Fix Version/s: 2.9
• Lucene Fields: New, Patch Available
• Assignee: Michael McCandless
• Reporter: Steven Rowe
• Created: 01/Nov/08 04:55
• Updated: 28/Aug/22 11:54
• Resolved: 19/Mar/09 10:52

Description

Converts each token into its CollationKey using the provided collator, and then encodes the CollationKey with IndexableBinaryStringTools, to allow it to be stored as an index term.

This will allow for efficient range searches and Sorts over fields that need collation for proper ordering.

Issue Links

• depends upon: LUCENE-1434 IndexableBinaryStringTools: convert arbitrary byte sequences into Strings that can be used as index terms, and vice versa
• relates to: LUCENE-1279 RangeQuery and RangeFilter should use collation to check for range inclusion