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Fix for bug #804259 Second assertion in Gis_geometry_collection::init_from_opresult.

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A polygon has no right to have holes that are actually points.
        So just skip them when we collect the result of an operation.

per-file comments:
  mysql-test/r/gis-precise.result
Fix for bug #804259 Second assertion in Gis_geometry_collection::init_from_opresult.
        test result updated.
  mysql-test/t/gis-precise.test
Fix for bug #804259 Second assertion in Gis_geometry_collection::init_from_opresult.
        test case added.
  sql/gcalc_tools.cc
Fix for bug #804259 Second assertion in Gis_geometry_collection::init_from_opresult.
        Skip the point in the result if it's the hole inside a polygon.
This commit is contained in:
Alexey Botchkov
2011-07-08 15:38:15 +05:00
parent e182ae27cd
commit 67e937095c
3 changed files with 31 additions and 0 deletions
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14
mysql-test/r/gis-precise.result
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@ -265,3 +265,17 @@ Round(ST_AREA(ST_BUFFER( ST_UNION(
POLYGONFROMTEXT('POLYGON((7 7, 7 7, 7 4, 7 7, 7 7))'),
POLYGONFROMTEXT('POLYGON((7 7, 4 7, 2 9, 7 6, 7 7))')), 1)), 6)
21.901403
SELECT AsText(ST_UNION(MultiPolygonFromText('
MULTIPOLYGON(((2 2, 2 8, 8 8, 8 2, 2 2), (4 4, 4 6, 6 6, 6 4, 4 4)),
((0 0, 8 3, 7 4, 0 0)),
((2 2, 2 8, 8 8, 8 2, 2 2), (4 4, 4 6, 6 6, 6 4, 4 4)))'),
MultiPolygonFromText(' MULTIPOLYGON(((0 0, 1 9, 4 6, 0 0)),
((0 5, 3 5, 3 4, 1 4, 1 3, 3 3, 3 0, 0 0, 0 5), (1 1, 2 1, 2 2, 1 2, 1 1)),
((7 7, 4 7, 6 3, 7 2, 7 7)),
((0 5, 3 5, 3 4, 1 4, 1 3, 3 3, 3 0, 0 0, 0 5), (1 1, 2 1, 2 2, 1 2, 1 1))) ')));
AsText(ST_UNION(MultiPolygonFromText('
MULTIPOLYGON(((2 2, 2 8, 8 8, 8 2, 2 2), (4 4, 4 6, 6 6, 6 4, 4 4)),
((0 0, 8 3, 7 4, 0 0)),
((2 2, 2 8, 8 8, 8 2, 2 2), (4 4, 4 6, 6 6, 6 4, 4 4)))'),
MultiPolygonFr
POLYGON((0 0,0 5,0.555555555555556 5,1 9,2 8,8 8,8 2,7 2,5.33333333333333 2,3 1.125,3 0,0 0),(1 1,1 1.5,1.33333333333333 2,1 2,2 2,2 1.14285714285714,1.75 1,1 1),(3 1.71428571428571,3 2,3.5 2,3 1.71428571428571),(4 4,4 6,4.5 6,5.5 4,4 4))