[IGNITE-11310] SQL: Remove special interaction between query parallelism and distributed joins

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.8
• Component/s: sql
• Assignee: Vladimir Ozerov
• Reporter: Vladimir Ozerov
• Created: 13/Feb/19 10:37
• Updated: 14/Feb/19 17:55
• Resolved: 14/Feb/19 17:54

Description

Currently we enable so-called "local distributed joins" when query is executed locally with enabled parallelism. This behavior is not needed and needs to be removed.

Issue Links

• blocks: IGNITE-11279 SQL: Remove H2's "prepared" from DML and local query plans
• is a child of: IGNITE-11203 SQL: global refactoring
• is duplicated by: IGNITE-8009 SQL local query to a cache with queryParallelism>1 doesn't use index
• is duplicated by: IGNITE-10759 Disable implicit distributed joins when queryParallelizm>1.
• links to: GitHub Pull Request #6103