planga82 opened a new pull request, #500:
URL: https://github.com/apache/datafusion-comet/pull/500
## Which issue does this PR close?
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Closes #464 .
## Rationale for this change
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This PR adds support for ansi mode in the abs function. This is done by
adding a wrapper to the abs datafusion function to add the different behavior
between Spark and Datafusion. The main differences are the overflow behavior in
legacy mode and the message exception in ansi mode.
## What changes are included in this PR?
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In addition to introducing the wrapper, some minor refactoring is done to
move some code to a more general location.
In Spark, the abs function does not support try execution mode, only ansi or
legacy.
## How are these changes tested?
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The new tests test the correct execution in the event of an overflow.
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