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Returns M minima of the given geometry or null if there is no M coordinate. ST_MMin

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Signatures

ST_MMin(geom: Geometry)

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Parameters

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geom
Geometry
required
The input geometry.

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Return type

A numeric value.

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Example

SELECT ST_MMin(
        ST_GeomFromWKT('LINESTRING ZM(1 1 1 1, 2 2 2 2, 3 3 3 3, -1 -1 -1 -1)')
)

-1.0