[CALCITE-3972] Allow RelBuilder to create RelNode with convention and use it for trait convert

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.24.0
• Assignee: Xiening Dai
• Reporter: Xiening Dai
• Created: 05/May/20 21:54
• Updated: 25/Jul/20 15:00
• Resolved: 28/May/20 05:52

Description

1. Provide Convention.transformRelBuilder() to transform an existing RelBuilder into one with specific convention.
2. RelBuilder provides withRelFactories() method to allow caller swap the underlying RelFactories and create a new builder.
3. Use the new interface in RelCollationTraitDef for converting into RelCollation traits

We can avoid ~1/3 of total rule firings in a N way join case with this change.

Issue Links

• links to: PR#1884