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[GitHub] [spark] imback82 opened a new pull request #32041: [SPARK-34701][SQL] Introduce CommandWithAnalyzedChildren for a command to have its children only analyzed but not optimized
imback82 opened a new pull request #32041:
URL: https://github.com/apache/spark/pull/32041
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### What changes were proposed in this pull request?
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Note that this PR proposes an alternate solution to #32032.
This PR proposes to introduce the `CommandWithAnalyzedChildren` trait such that a command that extends the trait will have its children only analyzed, but not optimized. This can be useful if a logical plan has children where they need to be only analyzed, but not optimized - e.g., `CREATE VIEW` or `CACHE TABLE AS`. This also addresses the issue found in #31933.
This PR also updates `CreateViewCommand` and `CacheTableAsSelect` to use the new trait such that their children are only analyzed.
### Why are the changes needed?
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To address the issue where the plan is unnecessarily re-analyzed in `CreateViewCommand`.
### Does this PR introduce _any_ user-facing change?
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No
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Existing tests should cover the changes.
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[GitHub] [spark] cloud-fan commented on a change in pull request #32041: [SPARK-34701][SQL] Introduce CommandWithAnalyzedChildren for a command to have its children only analyzed but not optimized
Posted by GitBox <gi...@apache.org>.
cloud-fan commented on a change in pull request #32041:
URL: https://github.com/apache/spark/pull/32041#discussion_r607174623
##########
File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/Command.scala
##########
@@ -37,3 +37,9 @@ trait Command extends LogicalPlan {
trait LeafCommand extends Command with LeafLike[LogicalPlan]
trait UnaryCommand extends Command with UnaryLike[LogicalPlan]
trait BinaryCommand extends Command with BinaryLike[LogicalPlan]
+
+trait CommandWithAnalyzedChildren extends Command {
+ def childrenToAnalyze: Seq[LogicalPlan] = Nil
+
+ override final def children: Seq[LogicalPlan] = childrenToAnalyze.filter(!_.analyzed)
Review comment:
This is a bit risky. Some analyzer rules may want to transform the child even if it's analyzed.
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[GitHub] [spark] SparkQA commented on pull request #32041: [SPARK-34701][SQL] Introduce CommandWithAnalyzedChildren for a command to have its children only analyzed but not optimized
Posted by GitBox <gi...@apache.org>.
SparkQA commented on pull request #32041:
URL: https://github.com/apache/spark/pull/32041#issuecomment-812780328
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[GitHub] [spark] SparkQA commented on pull request #32041: [SPARK-34701][SQL] Introduce CommandWithAnalyzedChildren for a command to have its children only analyzed but not optimized
Posted by GitBox <gi...@apache.org>.
SparkQA commented on pull request #32041:
URL: https://github.com/apache/spark/pull/32041#issuecomment-812800296
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[GitHub] [spark] imback82 commented on pull request #32041: [SPARK-34701][SQL] Introduce CommandWithAnalyzedChildren for a command to have its children only analyzed but not optimized
Posted by GitBox <gi...@apache.org>.
imback82 commented on pull request #32041:
URL: https://github.com/apache/spark/pull/32041#issuecomment-814595902
Closing in favor of #32032.
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[GitHub] [spark] SparkQA commented on pull request #32041: [SPARK-34701][SQL] Introduce CommandWithAnalyzedChildren for a command to have its children only analyzed but not optimized
Posted by GitBox <gi...@apache.org>.
SparkQA commented on pull request #32041:
URL: https://github.com/apache/spark/pull/32041#issuecomment-812823719
**[Test build #136874 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/136874/testReport)** for PR 32041 at commit [`be1c17c`](https://github.com/apache/spark/commit/be1c17c3fd14e8f17c437ec20535ebe738acfe77).
* This patch passes all tests.
* This patch merges cleanly.
* This patch adds no public classes.
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[GitHub] [spark] imback82 closed pull request #32041: [SPARK-34701][SQL] Introduce CommandWithAnalyzedChildren for a command to have its children only analyzed but not optimized
Posted by GitBox <gi...@apache.org>.
imback82 closed pull request #32041:
URL: https://github.com/apache/spark/pull/32041
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[GitHub] [spark] SparkQA commented on pull request #32041: [SPARK-34701][SQL] Introduce CommandWithAnalyzedChildren for a command to have its children only analyzed but not optimized
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URL: https://github.com/apache/spark/pull/32041#issuecomment-812775782
**[Test build #136874 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/136874/testReport)** for PR 32041 at commit [`be1c17c`](https://github.com/apache/spark/commit/be1c17c3fd14e8f17c437ec20535ebe738acfe77).
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