Changeset: febc8b93811d for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=febc8b93811d
Modified Files:
geom/monetdb5/geom.c
geom/monetdb5/geom.mal
geom/sql/Tests/All
Branch: geo
Log Message:
error handling
diffs (213 lines):
diff --git a/geom/monetdb5/geom.c b/geom/monetdb5/geom.c
--- a/geom/monetdb5/geom.c
+++ b/geom/monetdb5/geom.c
@@ -113,6 +113,7 @@ geom_export str wkbCentroid(wkb **out, w
geom_export str wkbStartPoint(wkb **out, wkb **geom);
geom_export str wkbEndPoint(wkb **out, wkb **geom);
geom_export str wkbNumPoints(int *out, wkb **geom);
+geom_export str wkbPointN(wkb **out, wkb **geom, short *n);
bat *
geom_prelude(void)
@@ -794,8 +795,8 @@ wkbcreatepoint_bat(int *out, int *ix, in
}
BATsetcount(bo, BATcount(bx));
- BATsettrivprop(bo);
- BATderiveProps(bo,FALSE);
+ BATsettrivprop(bo);
+ BATderiveProps(bo,FALSE);
BBPreleaseref(bx->batCacheid);
BBPreleaseref(by->batCacheid);
BBPkeepref(*out = bo->batCacheid);
@@ -1224,8 +1225,8 @@ wkbCentroid(wkb **out, wkb **geom)
GEOSGeom_destroy(geosGeometry);
- if (GDKerrbuf && GDKerrbuf[0])
- throw(MAL, "geom.Centroid", "GEOSGetCentroid failed");
+ //if (GDKerrbuf && GDKerrbuf[0])
+ // throw(MAL, "geom.Centroid", "GEOSGetCentroid failed");
return MAL_SUCCEED;
}
@@ -1235,17 +1236,22 @@ wkbBorderPoint(wkb **out, wkb **geom, GE
{
GEOSGeom geosGeometry = wkb2geos(*geom);
- if (!geosGeometry || GEOSGeomTypeId(geosGeometry) != GEOS_LINESTRING) {
+ if (!geosGeometry) {
*out = geos2wkb(NULL);
return MAL_SUCCEED;
}
+ if (GEOSGeomTypeId(geosGeometry) != GEOS_LINESTRING) {
+ *out = geos2wkb(NULL);
+ throw(MAL, name, "GEOSGeomGet%s failed. Geometry not a
LineString", name + 5);
+ }
+
*out = geos2wkb((*func)(geosGeometry));
GEOSGeom_destroy(geosGeometry);
- if (GDKerrbuf && GDKerrbuf[0])
- throw(MAL, name, "GEOSGeomGet%s failed", name + 5);
+ //if (GDKerrbuf && GDKerrbuf[0])
+ // throw(MAL, name, "GEOSGeomGet%s failed", name + 5);
return MAL_SUCCEED;
}
@@ -1253,62 +1259,73 @@ str
wkbStartPoint(wkb **out, wkb **geom)
{
return wkbBorderPoint(out, geom, GEOSGeomGetStartPoint,
"geom.StartPoint");
- /*GEOSGeom geosGeometry = wkb2geos(*geom);
-
- if (!geosGeometry || GEOSGeomTypeId(geosGeometry) != GEOS_LINESTRING) {
- *out = geos2wkb(NULL);
- return MAL_SUCCEED;
- }
-
- *out = geos2wkb(GEOSGeomGetStartPoint(geosGeometry));
-
- GEOSGeom_destroy(geosGeometry);
-
- if (GDKerrbuf && GDKerrbuf[0])
- throw(MAL, "geom.StartPoint", "GEOSGeomGetStartPoint failed");
- return MAL_SUCCEED;*/
-
}
str
wkbEndPoint(wkb **out, wkb **geom)
{
return wkbBorderPoint(out, geom, GEOSGeomGetEndPoint, "geom.EndPoint");
- /*GEOSGeom geosGeometry = wkb2geos(*geom);
+}
+
+str
+wkbNumPoints(int *out, wkb **geom)
+{
+ GEOSGeom geosGeometry = wkb2geos(*geom);
+
+ if (!geosGeometry) {
+ *out = int_nil;
+ return MAL_SUCCEED;
+ }
+
+ if (GEOSGeomTypeId(geosGeometry) != GEOS_LINESTRING) {
+ *out = int_nil;
+ throw(MAL, "geom.NumPoints", "GEOSGeomGetNumPoints failed.
Geometry not a LineString");
+ }
+
+ *out = GEOSGeomGetNumPoints(geosGeometry);
+ GEOSGeom_destroy(geosGeometry);
+
+ if (*out == -1)
+ throw(MAL, "geom.NumPoints", "GEOSGeomGetNumPoints failed");
+
+ //if (GDKerrbuf && GDKerrbuf[0])
+ // throw(MAL, "geom.NumPoints", "GEOSGeomGetNumPoints failed");
+
+ return MAL_SUCCEED;
+}
+
+str
+wkbPointN(wkb **out, wkb **geom, short *n)
+{
+ short rN = -1;
+ GEOSGeom geosGeometry = wkb2geos(*geom);
if (!geosGeometry) {
*out = geos2wkb(NULL);
return MAL_SUCCEED;
}
- *out = geos2wkb(GEOSGeomGetEndPoint(geosGeometry));
+ if (GEOSGeomTypeId(geosGeometry) != GEOS_LINESTRING) {
+ *out = geos2wkb(NULL);
+ throw(MAL, "geom.PointN", "GEOSGeomGetPointN failed. Geometry
not a LineString");
+ }
+ //check number of points
+ rN = GEOSGeomGetNumPoints(geosGeometry);
+ if (rN == -1)
+ throw(MAL, "geom.PointN", "GEOSGeomGetPointN failed becasue
GEOSGeomGetNumPoints ");
+
+ if(rN <= *n || *n<0) {
+ *out = geos2wkb(NULL);
+ GEOSGeom_destroy(geosGeometry);
+ throw(MAL, "geom.PointN", "GEOSGeomGetPointN unable to retrieve
point %d (not enough points)", *n);
+ }
+
+ *out = geos2wkb(GEOSGeomGetPointN(geosGeometry, *n));
GEOSGeom_destroy(geosGeometry);
- if (GDKerrbuf && GDKerrbuf[0])
- throw(MAL, "geom.EndPoint", "GEOSGeomGetEndPoint failed");
- return MAL_SUCCEED;*/
+ if (*out != NULL)
+ return MAL_SUCCEED;
+ throw(MAL, "geom.PointN", "GEOSGeomGetPointN failed");
}
-
-str
-wkbNumPoints(int *out, wkb **geom)
-{
- str ret = MAL_SUCCEED;
- GEOSGeom ga = wkb2geos(*geom);
-
- if (!ga) {
- *out = dbl_nil;
- return ret;
- }
-
- *out = GEOSGeomGetNumPoints(ga);
- if (*out == -1)
- ret = "GEOSGeomGetNumPoints failed";
-
- GEOSGeom_destroy(ga);
-
- if (ret != MAL_SUCCEED)
- throw(MAL, "geom.NumPoints", "%s", ret);
- return ret;
-}
diff --git a/geom/monetdb5/geom.mal b/geom/monetdb5/geom.mal
--- a/geom/monetdb5/geom.mal
+++ b/geom/monetdb5/geom.mal
@@ -245,15 +245,19 @@ comment "Returns the centroid of this Ge
command StartPoint(w:wkb) :wkb
address wkbStartPoint
-comment "Returns the start point of this Geometry which should be Linestring.";
+comment "Returns the start point of this Geometry. Argument w should be
Linestring.";
command EndPoint(w:wkb) :wkb
address wkbEndPoint
-comment "Returns the end point of this Geometry where should be Linestring
(?).";
+comment "Returns the end point of this Geometry. Argument w should be
Linestring.";
command NumPoints(w:wkb) :int
address wkbNumPoints
-comment "The number of points in the Geometry where should be Linestring (?).";
+comment "The number of points in the Geometry. Argument w should be
Linestring.";
+
+command PointN(w:wkb, n:sht) :wkb
+address wkbPointN
+comment "Returns the n-th point of the Geometry. Argument w should be
Linestring.";
command prelude():void address geom_prelude;
diff --git a/geom/sql/Tests/All b/geom/sql/Tests/All
--- a/geom/sql/Tests/All
+++ b/geom/sql/Tests/All
@@ -40,7 +40,7 @@ T18
# T20 no such unary operator 'asbinary(geometry)'
T21
T22
-# T23 no such binary operator 'pointn(linestring,tinyint)'
+T23
T24
# T25 no such unary operator 'pointonsurface(polygon)'
T26
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