[SOLR-1904] Use HashDocSet when random access is needed in faceting

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.0-ALPHA
• Assignee: Unassigned
• Reporter: Yonik Seeley
• Created: 04/May/10 16:35
• Updated: 10/May/13 10:39
• Resolved: 05/May/10 11:15

Description

When facet.method=enum and we have a minDf>0 (when we skip the filter cache), we iterate over documents for a term and call baseDocSet.exists(doc). We should ensure that this base doc set is fast for .exists(), so if it's a SortedIntSet, make a HashDocSet to use.