https://github.com/apache/spark
Revision f2453e8a1293b367c2d7794e7f37978cc848aebc authored by Weichen Xu on 15 August 2022, 10:03:08 UTC, committed by Weichen Xu on 15 August 2022, 10:08:51 UTC
Signed-off-by: Weichen Xu <weichen.xudatabricks.com> ### What changes were proposed in this pull request? Add Imputer inputCols validation for empty input case ### Why are the changes needed? If Imputer inputCols is empty, the `fit` works fine but when saving model, error will be raised: > AnalysisException: Datasource does not support writing empty or nested empty schemas. Please make sure the data schema has at least one or more column(s). ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? Unit test. Closes #37518 from WeichenXu123/imputer-param-validation. Authored-by: Weichen Xu <weichen.xu@databricks.com> Signed-off-by: Weichen Xu <weichen.xu@databricks.com> (cherry picked from commit 87094f89655b7df09cdecb47c653461ae855b0ac) Signed-off-by: Weichen Xu <weichen.xu@databricks.com>
1 parent 6242776
Tip revision: f2453e8a1293b367c2d7794e7f37978cc848aebc authored by Weichen Xu on 15 August 2022, 10:03:08 UTC
[SPARK-40079] Add Imputer inputCols validation for empty input case
[SPARK-40079] Add Imputer inputCols validation for empty input case
Tip revision: f2453e8
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