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isNotNull Function

isNotNull evaluates an expression to see if it is not null. If the expression is not null, isNotNull returns true, and otherwise it returns false.

Syntax

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isNotNull(expression)

Arguments

expression

The expression to be evaluated as null or not. It can be a field name like address1 or a call to another function that outputs a string.

Return Type

Boolean

Example

The following example evaluates the sales_amount field for null values.

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isNotNull(sales_amount)

The following are the given field values.

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20.13 (null) 57.54

For these field values, the following values are returned.

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true false true