[CALCITE-3584] Propagate hints when decorrelating a query

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.21.0
• Fix Version/s: 1.22.0
• Component/s: core
• Labels: pull-request-available
• Assignee: Danny Chen
• Reporter: Danny Chen
• Created: 10/Dec/19 09:35
• Updated: 06/Mar/20 04:35
• Resolved: 12/Dec/19 02:40

Description

In CALCITE-482, we have support a basic SQL hints framework to let other engines to extend and have their own hints implementations. But for the decorrelation, the hints would just lost.

We should support that because most of the sub-queries needs decorrelation.

Issue Links

• links to: GitHub Pull Request #1643