Complexphrase queryparser stumbles on phrase query with trailing escaped colon [LUCENE-7650]
Open
affects-version:5.5.1
affects-version:6.3
legacy-jira-priority:Minor
module:core/queryparser
type:bug
- Dominant language
- Java
- Stars
- 3.6k
- Forks
- 1.4k
- Avg merge
- 2d 11h
- Merged PRs (30d)
- 88
Description
See the attached java code.
ComplexPhraseQueryParser.parse fails with a ParseException when passing a phrase query string having a trailing escaped colon.
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Migrated from [LUCENE-7650](https://issues.apache.org/jira/browse/LUCENE-7650) by Otmar Caduff, updated Feb 01 2017
Attachments: [ColonTest.java](https://apache.github.io/lucene-jira-archive/attachments/LUCENE-7650/ColonTest.java)
Contributor guide
Research direction
Start with the attached ColonTest.java and reproduce the ParseException from ComplexPhraseQueryParser.parse for a phrase query ending in an escaped colon. Read the parser path handling escaped colons, then verify that the query parses successfully and add regression coverage for the reported input.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- search
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100