[LUCENE-4774] Add FieldComparator that allows sorting parent docs based on field inside the child docs

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.3, 6.0
• Component/s: modules/join
• Lucene Fields: New
• Assignee: Martijn van Groningen
• Reporter: Martijn van Groningen
• Created: 12/Feb/13 15:48
• Updated: 28/Aug/22 13:39
• Resolved: 15/Apr/13 10:50

Description

A field comparator for sorting block join parent docs based on the a field in the associated child docs.

Issue Links

• is related to: LUCENE-5162 TestBlockJoinSorting.testNestedSorting asset fails
• is related to: LUCENE-7835 ToChildBlockJoinSortField to sort children by a parent field
• relates to: LUCENE-7798 add equals/hashCode to ToParentBlockJoinSortField