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AddFieldFromExpression method

Adds a field on the fly.

Information note

The expression of a field on the fly is persisted but not its values.

Information note

The operation is successful if qSuccess is set to true.

Parameters

Name Description Mandatory Type
qName

Name of the field.

Yes String
qExpr

Expression value. It is not possible to use all aggregation functions. For example, you cannot add a field on the fly with an expression that uses the Sum or Count aggregation functions.

Yes String

Returns

Name Description Type
qSuccess

True or False.

Boolean

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