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Julian Hyde commented on CALCITE-3972: -------------------------------------- We've discussed this on the dev list. We prefer the simplicity of having releases on the master branch, even though development needs to pause during the release process. > Allow RelBuilder to create RelNode with convention and use it for trait > convert > ------------------------------------------------------------------------------- > > Key: CALCITE-3972 > URL: https://issues.apache.org/jira/browse/CALCITE-3972 > Project: Calcite > Issue Type: Bug > Reporter: Xiening Dai > Assignee: Xiening Dai > Priority: Major > Time Spent: 2h > Remaining Estimate: 0h > > 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. -- This message was sent by Atlassian Jira (v8.3.4#803005)