PostgreSQL path(polygon) Function
The PostgreSQL path(polygon) function converts the specified polygon to a closed path with the same list of points. The closed path returned by this function and the polygon specified in the parameter are the same shape.
path(polygon) Syntax
This is the syntax of the PostgreSQL path(polygon) function:
path(polygon) -> path
Parameters
polygon-
Required. A polygon. For example:
polygon '((0,0),(1,1),(2,0))'.
Return value
The PostgreSQL path(polygon) function returns a closed path with the same list of points as the polygon specified by the argument.
path(polygon) Examples
The following statement shows how to use the PostgreSQL path(polygon) function to convert a polygon into a closed path.
SELECT path(polygon '((0,1),(2,2),(5,3),(6,0))');
path
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((0,1),(2,2),(5,3),(6,0))