[Spark 4.0] Address test failures in cast_test.py [databricks] #11559
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Fixes NVIDIA#11009. This commit addresses the test failures in cast_test.py, on Spark 4.0. These generally have to do with changes in behaviour of Spark when ANSI mode is enabled. This commit specifically addresses `test_cast_date_integral_and_fp`, `test_cast_decimal_to`, and `test_cast_decimal_to_decimal`.
Signed-off-by: MithunR <[email protected]>
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gerashegalov
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| This tests that STRING->DATE conversion is run on CPU, via a fallback. | ||
| The point of this test is to exercise the fallback, and not to examine any errors in casting. | ||
| There is no change in behaviour between Apache Spark and the plugin, since they're both |
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nitpicking but what if the fallback does not happen in the ANSI-enabled mode?
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Once the plugin adds support for string->date casting, we will have to modify this test. At a minimum, there won't be a fallback. I don't foresee a case where we might support ANSI=on and not ANSI=off, but that's hard to predict.
I'd postpone any further futzing with this until the plugin's behaviour changes.
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I've merged this change. Thank you for the review, @gerashegalov. |
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Fixes #11009 and #11530.
This commit addresses the test failures in cast_test.py, on Spark 4.0.
These generally have to do with changes in behaviour of Spark when
ANSI mode is enabled. In these cases, the tests have been split out into ANSI=on and ANSI=off.
The bugs uncovered from the tests have been spun into their own issues; fixing all of them was beyond the scope of this change.