feat(spark): add support for trim functions #400
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These have to be implemented using the SpecialSig function mapping scheme that was added for the date/time functions due to the slightly unusual signatures of these functions in spark. (The GenericSig fails to convert substrait -> spark correctly). Signed-off-by: Andrew Coleman <andrew_coleman@uk.ibm.com>
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These have to be implemented using the SpecialSig
function mapping scheme that was added for the date/time functions due to the slightly unusual signatures of these functions in spark.
(The GenericSig fails to convert substrait -> spark correctly).