[jira] [Updated] (ARROW-11710) [Rust][DataFusion] Implement ExprRewriter to avoid tree traversal redundancy
[ https://issues.apache.org/jira/browse/ARROW-11710?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ASF GitHub Bot updated ARROW-11710: --- Labels: pull-request-available (was: ) > [Rust][DataFusion] Implement ExprRewriter to avoid tree traversal redundancy > > > Key: ARROW-11710 > URL: https://issues.apache.org/jira/browse/ARROW-11710 > Project: Apache Arrow > Issue Type: Sub-task > Components: Rust - DataFusion >Reporter: Andrew Lamb >Assignee: Andrew Lamb >Priority: Major > Labels: pull-request-available > Time Spent: 10m > Remaining Estimate: 0h > > The idea is to > 1. Reduce the amount repetitions in optimizer rules to make them easier to > implement > 2. Reduce the amount of repetition to make it easier to see the actual logic > (rather than having it intertwined with the code needed to do recursion) > 2. Set the stage for a more general `PlanRewriter` that doesn't have to > clone its input, and can modify take their input by value and consume them > Plan is to make an ExprRewriter, the mutable counterpart to > `ExpressionVisitor` and demonstrates its usefulness by rewriting several > expression transformation rewrite passes using it. -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Updated] (ARROW-11710) [Rust][DataFusion] Implement ExprRewriter to avoid tree traversal redundancy
[ https://issues.apache.org/jira/browse/ARROW-11710?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Andrew Lamb updated ARROW-11710: Component/s: Rust - DataFusion > [Rust][DataFusion] Implement ExprRewriter to avoid tree traversal redundancy > > > Key: ARROW-11710 > URL: https://issues.apache.org/jira/browse/ARROW-11710 > Project: Apache Arrow > Issue Type: Sub-task > Components: Rust - DataFusion >Reporter: Andrew Lamb >Priority: Major > > The idea is to > 1. Reduce the amount repetitions in optimizer rules to make them easier to > implement > 2. Reduce the amount of repetition to make it easier to see the actual logic > (rather than having it intertwined with the code needed to do recursion) > 2. Set the stage for a more general `PlanRewriter` that doesn't have to > clone its input, and can modify take their input by value and consume them > Plan is to make an ExprRewriter, the mutable counterpart to > `ExpressionVisitor` and demonstrates its usefulness by rewriting several > expression transformation rewrite passes using it. -- This message was sent by Atlassian Jira (v8.3.4#803005)
