CollectionAggregate (geography Data Type)

geography_operand

Is a geography type table column that represents a set of geography objects to be listed in the GeometryCollection instance.

SQL Server return type: geography

Throws a FormatException when there are input values that are not valid. See STIsValid (geography Data Type)

Method returns null when the input is empty or the input has different SRIDs. See Spatial Reference Identifiers (SRIDs)

Method ignores null inputs.

Note
Method returns null if all inputted values are null.

The following example returns a GeometryCollection instance that contains a set of geography objects.

USE AdventureWorks2012

GO

SELECT geography::CollectionAggregate(SpatialLocation).ToString() AS SpatialLocation

FROM Person.Address

WHERE City LIKE ('Bothell')

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