[IGNITE-14544] Calcite engine. Support DISTINCT aggregates

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Ignite Flags: Docs Required, Release Notes Required
• Assignee: Taras Ledkov
• Reporter: Taras Ledkov
• Created: 14/Apr/21 13:20
• Updated: 18/Jun/21 13:41
• Resolved: 01/Jun/21 07:22

Description

Now, DISTINCT aggregates not implemented.
(e.g. SELECT COUNT (DISTINCT lastName) FROM person)

Tests:
aggregate/aggregates/test_count.test
aggregate/aggregates/test_avg.test
aggregate/aggregates/test_distinct_aggr.test
aggregate/aggregates/test_distinct_string_agg.test

Issue Links

• is duplicated by: IGNITE-14531 Calcite improvements. Support DISTINCT for aggregates call at the execution
• is part of: IGNITE-14535 Caclite SQL engine capabilities
• links to: GitHub Pull Request #9070