[IGNITE-11278] SQL: Extract query parsing into separate class

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.8
• Component/s: sql
• Assignee: Vladimir Ozerov
• Reporter: Vladimir Ozerov
• Created: 09/Feb/19 21:14
• Updated: 10/Feb/19 09:39
• Resolved: 10/Feb/19 09:39

Description

1. Introduce separate command types for SELECT, DML and others commands
2. Move parsing logic and query cache to separate class
3. Fix bug with query parallelism when "distributedQueries" flag is modified not for newly created query, but globally.

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
• links to: GitHub Pull Request #6075