Limit the number of partition files to be displayed for FileGroupsDisplay#6359
Merged
yahoNanJing merged 1 commit intoapache:mainfrom May 18, 2023
Merged
Limit the number of partition files to be displayed for FileGroupsDisplay#6359yahoNanJing merged 1 commit intoapache:mainfrom
yahoNanJing merged 1 commit intoapache:mainfrom
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comphead
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May 16, 2023
| let groups = if self.0.len() == 1 { "group" } else { "groups" }; | ||
| write!(f, "{{{} {}: [", self.0.len(), groups)?; | ||
| for group in self.0 { | ||
| // To avoid showing too many partitions |
alamb
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May 16, 2023
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This looks like a nice change to me -- thank you @yahoNanJing
What do you think about showing all the groups when the user does explain verbose?
It seem like seeing all the files may still be helpful
If you agree, we can add that feature as a follow on PR.
cc @crepererum for your thoughts
| let groups = if self.0.len() == 1 { "group" } else { "groups" }; | ||
| write!(f, "{{{} {}: [", self.0.len(), groups)?; | ||
| for group in self.0 { | ||
| // To avoid showing too many partitions |
Contributor
|
I agree that we shouldn't print out the entire payload as part of the normal explain, so 👍. Adding this to a |
alamb
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May 17, 2023
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I think this is good to go other than it needs a test. Thank you @yahoNanJing
| } | ||
| write!(f, "]}}")?; | ||
| Ok(()) | ||
| } |
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Is there any way we can write a test for this code? So we don't break it in the future?
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Which issue does this PR close?
Closes #6358.
Rationale for this change
When a sql needs to hit thousands of files, the content of thousands of partition files shown by the FileGroupsDisplay is too much.
What changes are included in this PR?
Only at most 5 of them will be shown. Others will be replaced by
...Are these changes tested?
Are there any user-facing changes?