[CALCITE-2814] ElasticSearch adapter. Fix "group by" when using raw item access (eg. _MAP['a.b.c'])

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.19.0
• Component/s: elasticsearch-adapter
• Assignee: Julian Hyde
• Reporter: Andrei Sereda
• Created: 29/Jan/19 01:55
• Updated: 25/Mar/19 00:11
• Resolved: 29/Jan/19 03:16

Description

The following query is still failing in elastic due to field / item mapping

select max(_MAP['a']), _MAP['b'] from elastic group by _MAP['b']

Issue Links

• links to: PR 1018