[SPARK-14353] Dataset Time Window window API for R
#12141
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Test build #54819 has finished for PR 12141 at commit
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| #'} | ||
| setMethod("window", signature(x = "Column"), | ||
| function(x, windowDuration, slideDuration = NULL, startTime = NULL) { | ||
| if (!is.null(slideDuration) && !is.null(startTime)) { |
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Check we check the type of windowDuration, slideDuration and startTime?
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@brkyvz LGTM, only one minor comment. |
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@davies Addressed your comment |
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Test build #54917 has finished for PR 12141 at commit
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Retest this please
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| "var_samp", | ||
| "weekofyear", | ||
| "when", | ||
| "window", |
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this should be added to https://github.com/apache/spark/blob/master/R/pkg/R/generics.R?
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also need to check window from the stats package can still be called?
https://stat.ethz.ch/R-manual/R-devel/library/stats/html/window.html
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done. window can be called using stats::window
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retest this please |
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Test build #54930 has finished for PR 12141 at commit
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Test build #54934 has finished for PR 12141 at commit
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Test build #54938 has finished for PR 12141 at commit
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Test build #54946 has finished for PR 12141 at commit
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| })) | ||
| maskedCompletely <- masked[!funcHasAny] | ||
| namesOfMaskedCompletely <- c("cov", "filter", "sample") | ||
| namesOfMaskedCompletely <- c("cov", "filter", "sample", "window") |
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if this fails that means the current definition will block the stats::window function completely, (ie. user will not be able to call it without altering the code with stats:: prefix)
this is in fact delibrate - to avoid masking the function by accident. for instance, please set the generic (in R/pkg/R/generics.R) as window(x, ...) to match the stats package definition - generally that would allow both to be called at the same time.
@sun-rui @shivaram
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I see... Thanks for pointing it out!
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Test build #54953 has finished for PR 12141 at commit
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LGTM, merging into master. |
4 participants
What changes were proposed in this pull request?
The
windowfunction was added to Dataset with this PR.This PR adds the R API for this function.
With this PR, SQL, Java, and Scala will share the same APIs as in users can use:
window(timeColumn, windowDuration)window(timeColumn, windowDuration, slideDuration)window(timeColumn, windowDuration, slideDuration, startTime)In Python and R, users can access all APIs above, but in addition they can do
window(timeColumn, windowDuration, startTime=...)that is, they can provide the startTime without providing the
slideDuration. In this case, we will generate tumbling windows.How was this patch tested?
Unit tests + manual tests