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Return the entire envelope boundary of all geometries in A. Empty geometries and null values are skipped. If all inputs are empty or null, the result is null. This behavior is consistent with PostGIS’s ST_Extent. ST_Envelope_Agg

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Signatures

ST_Envelope_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_Envelope_Aggr, which is deprecated since v1.8.1.

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Example

SELECT ST_Envelope_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)'))

POLYGON ((1.1 101.1, 1.1 120.1, 20.1 120.1, 20.1 101.1, 1.1 101.1))