[LUCENE-1922] exposing the ability to get the number of unique term count per field

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 4.0-ALPHA
• Fix Version/s: 2.9, 4.0-ALPHA
• Component/s: core/index
• Lucene Fields: New
• Assignee: Unassigned
• Reporter: John Wang
• Created: 22/Sep/09 00:27
• Updated: 28/Aug/22 12:09
• Resolved: 20/Mar/12 15:50

Description

Add an api to get the number of unique term count given a field name, e.g.:

IndexReader.getUniqueTermCount(String field)

This issue has a dependency on LUCENE-1458