[OAK-1325] Support native pass-through queries (e.g. Lucene)

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.18
• Component/s: lucene, query, solr
• Assignee: Thomas Mueller
• Reporter: Thomas Mueller
• Created: 15/Jan/14 14:22
• Updated: 20/Apr/15 07:30
• Resolved: 27/Feb/14 11:17

Description

The query engine currently supports XPath and SQL-2 queries as documented by the JCR 2.0 specification. Some queries require syntax that goes beyond the JCR 2.0 spec, even thought the feature is supported by the query index. One example is "MoreLikeThis" in OAK-1286.

We would like an extension point so that a user of Oak can use the feature of the query index. There are multiple options:

• Use a separate, custom query language (not XPath or SQL-2)
• Extend the XPath and/or SQL-2 syntax similar to "rep:excerpt()"

Issue Links

• blocks: OAK-1286 Enable/expose MoreLikeThis queries