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NOTE: If the source Datetime value does not include a valid input for this function, a missing value is returned. |
There are differences in how the WEEKNUM function is calculated in Photon and Spark running environments, due to the underlying frameworks on which the environments are created:
- Photon week 1 of the year: The week that contains January 1.
- Spark week 1 of the year: The week that contains at least four days in the specified year.
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Column reference example:
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