[datafusion-spark] implement spark random functions #19907
Description
Is your feature request related to a problem or challenge?
Implement spark random functions:
- https://spark.apache.org/docs/latest/api/sql/index.html#uniform
- https://spark.apache.org/docs/latest/api/sql/index.html#random
- https://spark.apache.org/docs/latest/api/sql/index.html#rand
- https://spark.apache.org/docs/latest/api/sql/index.html#randn
Describe the solution you'd like
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Describe alternatives you've considered
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Additional context
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