Amazon Redshift will no longer support the creation of new Python UDFs starting November 1, 2025.
If you would like to use Python UDFs, create the UDFs prior to that date.
Existing Python UDFs will continue to function as normal. For more information, see the
blog post
ST_YMin
ST_YMin returns the minimum second coordinate of an input geometry.
Syntax
ST_YMin(geom)
Arguments
- geom
-
A value of data type
GEOMETRY
or an expression that evaluates to aGEOMETRY
type.
Return type
DOUBLE PRECISION
value of the minimum second coordinate.
If geom is empty, then null is returned.
If geom is null, then null is returned.
Examples
The following SQL returns the smallest second coordinate of a linestring.
SELECT ST_YMin(ST_GeomFromText('LINESTRING(77.29 29.07,77.42 29.26,77.27 29.31,77.29 29.07)'));
st_ymin ----------- 29.07