[SOLR-13080] TermsQParserPlugin automaton method fails to sort input

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 7.5
• Fix Version/s: 7.7
• Component/s: query parsers
• Assignee: David Smiley
• Reporter: Daniel Lowe
• Created: 18/Dec/18 11:56
• Updated: 08/Jun/19 14:58
• Resolved: 21/Dec/18 18:37

Description

The contract for Automata.makeStringUnion is that the input is sorted. As BytesRef implements Comparable. The simplest fix would probably to make

Arrays.sort(bytesRefs);

The first line of automaton's makeFilter method in TermsQParserPlugin.