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Documentation Index

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Return the polygon union of all polygons in A ST_Union_Agg

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Signatures

ST_Union_Agg (A: geometryColumn)

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Parameters

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A
geometryColumn
required
The input geometry.

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Return type

The resulting geometry.
This function was previously named ST_Union_Aggr, which is deprecated since v1.8.1.

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Example

SELECT ST_Union_Agg(ST_GeomFromText('MULTIPOINT(1.1 101.1,2.1 102.1,3.1 103.1,4.1 104.1,5.1 105.1,6.1 106.1,7.1 107.1,8.1 108.1,9.1 109.1,10.1 110.1)'))

MULTIPOINT ((1.1 101.1), (2.1 102.1), (3.1 103.1), (4.1 104.1), (5.1 105.1), (6.1 106.1), (7.1 107.1), (8.1 108.1), (9.1 109.1), (10.1 110.1))