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Small fix for type checking

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This commit is contained in:
Rafa de la Torre 2016-08-17 10:21:07 +02:00
parent e2f8c67034
commit c181bfa72e
1 changed files with 4 additions and 3 deletions
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7
src/pg/sql/09_voronoi.sql
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@ -152,13 +152,14 @@ $$ language plpgsql IMMUTABLE;
* @function : FindCircle
* @precis : Function that determines if three points form a circle. If so a table containing
* centre and radius is returned. If not, a null table is returned.
* @version : 1.0
* @version : 1.0.1
* @param : p_pt1 : First point in curve
* @param : p_pt2 : Second point in curve
* @param : p_pt3 : Third point in curve
* @return : geometry : In which X,Y ordinates are the centre X, Y and the Z being the radius of found circle
* or NULL if three points do not form a circle.
* @history : Simon Greener - Feb 2012 - Original coding.
* Rafa de la Torre - Aug 2016 - Small fix for type checking
* @copyright : Simon Greener @ 2012
* Licensed under a Creative Commons Attribution-Share Alike 2.5 Australia License. (http://creativecommons.org/licenses/by-sa/2.5/au/)
**/
@ -186,8 +187,8 @@ BEGIN
RETURN NULL;
END IF;
IF ( ST_GeometryType(p_pt1) <> 'ST_Point' OR
ST_GeometryType(p_pt1) <> 'ST_Point' OR
ST_GeometryType(p_pt1) <> 'ST_Point' ) THEN
ST_GeometryType(p_pt2) <> 'ST_Point' OR
ST_GeometryType(p_pt3) <> 'ST_Point' ) THEN
RAISE EXCEPTION 'All supplied geometries must be points.';
RETURN NULL;
END IF;