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RowNumber Aggregate Window Leaf Expression

RowNumber is a RowNumberLike leaf expression known as row_number.

Evaluating Expression

DeclarativeAggregate 
evaluateExpression: AttributeReference

evaluateExpression is part of the DeclarativeAggregate abstraction.

evaluateExpression is the rowNumber attribute reference.

Pretty Name

Expression 
prettyName

prettyName is part of the Expression abstraction.

prettyName is the following text:

row_number