Fix bug for str_to_date nullable input column #1984
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Signed-off-by: JaySon-Huang <jayson.hjs@gmail.com>
Signed-off-by: JaySon-Huang <jayson.hjs@gmail.com>
Signed-off-by: JaySon-Huang <jayson.hjs@gmail.com>
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Signed-off-by: JaySon-Huang jayson.hjs@gmail.com
What problem does this PR solve?
Issue Number: a part of #1942
Problem Summary: If the input column of str_to_date is a nullable column, it will generate incorrect results
What is changed and how it works?
Check List
Tests
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