[CALCITE-3054] ElasticSearch adapter. Avoid scripting for simple projections

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.19.0
• Fix Version/s: 1.20.0
• Component/s: elasticsearch-adapter
• Labels: pull-request-available
• Assignee: Andrei Sereda
• Reporter: Andrei Sereda
• Created: 08/May/19 05:17
• Updated: 24/Jun/19 15:03
• Resolved: 08/May/19 05:42

Description

No scripting should be used for simple field projection(s).

In some cases elastic adapter uses script instead of _source for simple field projections.

select  _MAP['a'], _MAP['b.a'] from elastic

Issue Links

• links to: GitHub Pull Request #1200