Returns a copy of the point with the y coordinate set to the specified ycoord value.
If the point-expression is an empty geometry (ST_IsEmpty()=1), then this method returns NULL.
By default, ST_Y uses the original format for a geometry, if it is available. Otherwise, the internal format is used. For more information about internal and original formats, see STORAGE FORMAT clause, CREATE SPATIAL REFERENCE SYSTEM statement.
Syntaxpoint-expression.ST_Y(ycoord) Parameters| Name | Type | Description |
|---|---|---|
|
ycoord |
DOUBLE |
The new y-coordinate value. |
ReturnsST_Point Returns a copy of the point with the y coordinate set to the specified ycoord value.
The spatial reference system identifier of the result is the same as the spatial reference system of the point-expression.
Standards and compatibilitySQL/MM (ISO/IEC 13249-3: 2006) 6.1.4
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