[SPARK-30200][SQL] Add ExplainMode for Dataset.explain #26829
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ulysses-you
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Dec 10, 2019
| * @since 3.0.0 | ||
| */ | ||
| def explain(extended: Boolean): Unit = { | ||
| def explain(mode: ExplainMode): Unit = { |
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How about retain the old api and add a new api ?
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@ulysses-you . @maropu already did. Please see line 564.
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Yea, we should keep this. Thanks for the comment, @dongjoon-hyun
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Test build #115091 has finished for PR 26829 at commit
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| * | ||
| * {{{ | ||
| * EXPLAIN (EXTENDED | CODEGEN) SELECT * FROM ... | ||
| * EXPLAIN (EXTENDED | CODEGEN | COST | FORMATTED) SELECT * FROM ... |
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Thank you for fixing this together.
dongjoon-hyun
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Dec 10, 2019
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+1, LGTM. Merged to master.
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Thanks for the check, @dongjoon-hyun ! |
ulysses-you
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Dec 11, 2019
| */ | ||
| Extended, | ||
| /** | ||
| * Extended mode means that when printing explain for a DataFrame, if generated codes are |
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oh... I'll do follow-up, thanks!
ulysses-you
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Dec 11, 2019
| */ | ||
| Codegen, | ||
| /** | ||
| * Extended mode means that when printing explain for a DataFrame, if plan node statistics are |
dongjoon-hyun
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Dec 11, 2019
### What changes were proposed in this pull request? This pr is a follow-up of #26829 to fix typos in ExplainMode. ### Why are the changes needed? For better docs. ### Does this PR introduce any user-facing change? No. ### How was this patch tested? N/A Closes #26851 from maropu/SPARK-30200-FOLLOWUP. Authored-by: Takeshi Yamamuro <[email protected]> Signed-off-by: Dongjoon Hyun <[email protected]>
HyukjinKwon
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Dec 13, 2019
### What changes were proposed in this pull request? This pr intends to support explain modes implemented in #26829 for PySpark. ### Why are the changes needed? For better debugging info. in PySpark dataframes. ### Does this PR introduce any user-facing change? No. ### How was this patch tested? Added UTs. Closes #26861 from maropu/ExplainModeInPython. Authored-by: Takeshi Yamamuro <[email protected]> Signed-off-by: HyukjinKwon <[email protected]>
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What changes were proposed in this pull request?
This pr intends to add
ExplainModefor explainingDataset/DataFramewith a given format mode (ExplainMode).ExplainModehas four types along with the SQL EXPLAIN command:Simple,Extended,Codegen,Cost, andFormatted.For example, this pr enables users to explain DataFrame/Dataset with the
FORMATTEDformat implemented in #24759;This comes from the @cloud-fan suggestion.
Why are the changes needed?
To follow the SQL EXPLAIN command.
Does this PR introduce any user-facing change?
No, this is just for a new API in Dataset.
How was this patch tested?
Add tests in
ExplainSuite.