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_Y
ST_Y returns the second coordinate of an input point.
Syntax
ST_Y(point)
Arguments
- point
-
A
POINT
value of data typeGEOMETRY
.
Return type
DOUBLE PRECISION
value of the second coordinate.
If point is null, then null is returned.
If point is the empty point, then null is returned.
If point is not a POINT
, then an error is returned.
Examples
The following SQL returns the second coordinate of a point.
SELECT ST_Y(ST_Point(1,2));
st_y
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2.0