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I am using a NOT MATCH function to filter out certain asset types:
|If(NOT MATCH(AssetType, 'Garage', 'Retail', 'HOA'), 'Yes') as Included|
The weird thing is that the function is also partially excluding those records with a blank or NULL value as AssetType. But it is not excluding all of them, only about half. Another weird thing is that if I replace AssetType with 'MISSING' instead of blank/NULL earlier in the script then it works fine:
If(Len(AssetType) = 0, 'MISSING', AssetType) as AssetType
Can anyone shed some light on why the NOT MATCH function is behaving inconsistently when it comes to blank or NULL values, please?