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DROP TABLE IF EXISTS t1; select 1, ST_Intersects(GeomFromText('POLYGON((0 0,20 0,20 20,0 20,0 0))'), GeomFromText('POLYGON((10 10,30 10,30 30,10 30,10 10))')); 1 ST_Intersects(GeomFromText('POLYGON((0 0,20 0,20 20,0 20,0 0))'), GeomFromText('POLYGON((10 10,30 10,30 30,10 30,10 10))')) 1 1 select 0, ST_Intersects(GeomFromText('POLYGON((0 0,20 10,10 30, 0 0))'), GeomFromText('POLYGON((10 40, 40 50, 20 70, 10 40))')); 0 ST_Intersects(GeomFromText('POLYGON((0 0,20 10,10 30, 0 0))'), GeomFromText('POLYGON((10 40, 40 50, 20 70, 10 40))')) 0 0 select 1, ST_Intersects(GeomFromText('POLYGON((0 0,20 10,10 30, 0 0))'), GeomFromText('POINT(10 10)')); 1 ST_Intersects(GeomFromText('POLYGON((0 0,20 10,10 30, 0 0))'), GeomFromText('POINT(10 10)')) 1 1 select 1, ST_Intersects(GeomFromText('POLYGON((0 0,20 10,10 30, 0 0))'), GeomFromText('POLYGON((10 10,30 20,20 40, 10 10))')); 1 ST_Intersects(GeomFromText('POLYGON((0 0,20 10,10 30, 0 0))'), GeomFromText('POLYGON((10 10,30 20,20 40, 10 10))')) 1 1 select 0, ST_Within(GeomFromText('POLYGON((0 0,20 10,10 30, 0 0))'), GeomFromText('POLYGON((10 10,30 20,20 40, 10 10))')); 0 ST_Within(GeomFromText('POLYGON((0 0,20 10,10 30, 0 0))'), GeomFromText('POLYGON((10 10,30 20,20 40, 10 10))')) 0 0 select 1, ST_Within(GeomFromText('POLYGON((1 1,20 10,10 30, 1 1))'), GeomFromText('POLYGON((0 0,30 5,10 40, 0 0))')); 1 ST_Within(GeomFromText('POLYGON((1 1,20 10,10 30, 1 1))'), GeomFromText('POLYGON((0 0,30 5,10 40, 0 0))')) 1 1 create table t1 (g point); insert into t1 values (GeomFromText('POINT(2 2)')), (GeomFromText('POINT(2 4)')), (GeomFromText('POINT(2 6)')), (GeomFromText('POINT(2 8)')), (GeomFromText('POINT(4 2)')), (GeomFromText('POINT(4 4)')), (GeomFromText('POINT(4 6)')), (GeomFromText('POINT(4 8)')), (GeomFromText('POINT(6 2)')), (GeomFromText('POINT(6 4)')), (GeomFromText('POINT(6 6)')), (GeomFromText('POINT(6 8)')), (GeomFromText('POINT(8 2)')), (GeomFromText('POINT(8 4)')), (GeomFromText('POINT(8 6)')), (GeomFromText('POINT(8 8)')); select astext(g) from t1 where ST_Within(g, GeomFromText('POLYGON((5 1, 7 1, 7 7, 5 7, 3 3, 5 3, 5 1))')); astext(g) POINT(4 4) POINT(6 2) POINT(6 4) POINT(6 6) select 'Contains'; Contains Contains select astext(g) from t1 where ST_Contains(GeomFromText('POLYGON((5 1, 7 1, 7 7, 5 7, 3 3, 5 3, 5 1))'), g); astext(g) POINT(4 4) POINT(6 2) POINT(6 4) POINT(6 6) select 'Intersects'; Intersects Intersects select astext(g) from t1 where ST_Intersects(GeomFromText('POLYGON((5 1, 7 1, 7 7, 5 7, 3 3, 5 3, 5 1))'), g); astext(g) POINT(4 4) POINT(6 2) POINT(6 4) POINT(6 6) select 'Contains'; Contains Contains select astext(g) from t1 where ST_Contains(GeomFromText('POLYGON((5 1, 7 1, 7 7, 5 7, 3 3, 5 3, 5 1))'), g); astext(g) POINT(4 4) POINT(6 2) POINT(6 4) POINT(6 6) select 'Contains2'; Contains2 Contains2 select astext(g) from t1 where ST_Contains(GeomFromText('POLYGON((5 1, 7 1, 7 7, 5 7, 3 3, 5 3, 5 1), (5.01 3.01, 6 5, 9 5, 8 3, 5.01 3.01))'), g); astext(g) POINT(4 4) POINT(6 2) POINT(6 6) POINT(8 4) DROP TABLE t1; select 0, ST_Within(GeomFromText('LINESTRING(15 15, 50 50, 60 60)'), GeomFromText('POLYGON((10 10,30 20,20 40, 10 10))')); 0 ST_Within(GeomFromText('LINESTRING(15 15, 50 50, 60 60)'), GeomFromText('POLYGON((10 10,30 20,20 40, 10 10))')) 0 0 select 1, ST_Within(GeomFromText('LINESTRING(15 15, 16 16)'), GeomFromText('POLYGON((10 10,30 20,20 40, 10 10))')); 1 ST_Within(GeomFromText('LINESTRING(15 15, 16 16)'), GeomFromText('POLYGON((10 10,30 20,20 40, 10 10))')) 1 1 select 1, ST_Intersects(GeomFromText('LINESTRING(15 15, 50 50)'), GeomFromText('LINESTRING(50 15, 15 50)')); 1 ST_Intersects(GeomFromText('LINESTRING(15 15, 50 50)'), GeomFromText('LINESTRING(50 15, 15 50)')) 1 1 select 0, ST_Intersects(GeomFromText('LINESTRING(15 15, 50 50)'), GeomFromText('LINESTRING(16 16, 51 51)')); 0 ST_Intersects(GeomFromText('LINESTRING(15 15, 50 50)'), GeomFromText('LINESTRING(16 16, 51 51)')) 0 0 select 1, ST_Intersects(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('POLYGON((50 5, 55 10, 0 45, 50 5))')); 1 ST_Intersects(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('POLYGON((50 5, 55 10, 0 45, 50 5))')) 1 1 select astext(ST_Union(geometryfromtext('point(1 1)'), geometryfromtext('polygon((0 0, 2 0, 1 2, 0 0))'))); astext(ST_Union(geometryfromtext('point(1 1)'), geometryfromtext('polygon((0 0, 2 0, 1 2, 0 0))'))) POLYGON((0 0,1 2,2 0,0 0)) select astext(ST_Intersection(geometryfromtext('point(1 1)'), geometryfromtext('polygon((0 0, 2 0, 1 2, 0 0))'))); astext(ST_Intersection(geometryfromtext('point(1 1)'), geometryfromtext('polygon((0 0, 2 0, 1 2, 0 0))'))) POINT(1 1) select ST_Intersects(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('POLYGON((50 5, 55 10, 0 45, 50 5))')); ST_Intersects(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('POLYGON((50 5, 55 10, 0 45, 50 5))')) 1 select ST_contains(GeomFromText('MULTIPOLYGON(((0 0, 0 5, 5 5, 5 0, 0 0)), ((6 6, 6 11, 11 11, 11 6, 6 6)))'), GeomFromText('POINT(5 10)')); ST_contains(GeomFromText('MULTIPOLYGON(((0 0, 0 5, 5 5, 5 0, 0 0)), ((6 6, 6 11, 11 11, 11 6, 6 6)))'), GeomFromText('POINT(5 10)')) 0 select ST_Disjoint(GeomFromText('POLYGON((0 0, 0 5, 5 5, 5 0, 0 0))'), GeomFromText('POLYGON((10 10, 10 15, 15 15, 15 10, 10 10))')); ST_Disjoint(GeomFromText('POLYGON((0 0, 0 5, 5 5, 5 0, 0 0))'), GeomFromText('POLYGON((10 10, 10 15, 15 15, 15 10, 10 10))')) 1 select ST_Disjoint(GeomFromText('POLYGON((0 0, 0 5, 5 5, 5 0, 0 0))'), GeomFromText('POLYGON((10 10, 10 4, 4 4, 4 10, 10 10))')); ST_Disjoint(GeomFromText('POLYGON((0 0, 0 5, 5 5, 5 0, 0 0))'), GeomFromText('POLYGON((10 10, 10 4, 4 4, 4 10, 10 10))')) 0 select ST_Overlaps(GeomFromText('POLYGON((0 0, 0 5, 5 5, 5 0, 0 0))'), GeomFromText('POLYGON((10 10, 10 4, 4 4, 4 10, 10 10))')); ST_Overlaps(GeomFromText('POLYGON((0 0, 0 5, 5 5, 5 0, 0 0))'), GeomFromText('POLYGON((10 10, 10 4, 4 4, 4 10, 10 10))')) 1 select ST_Overlaps(GeomFromText('POLYGON((0 0, 0 5, 5 5, 5 0, 0 0))'), GeomFromText('POLYGON((1 1, 1 4, 4 4, 4 1, 1 1))')); ST_Overlaps(GeomFromText('POLYGON((0 0, 0 5, 5 5, 5 0, 0 0))'), GeomFromText('POLYGON((1 1, 1 4, 4 4, 4 1, 1 1))')) 0 select ST_DISTANCE(geomfromtext('polygon((0 0, 1 2, 2 1, 0 0))'), geomfromtext('polygon((2 2, 3 4, 4 3, 2 2))')); ST_DISTANCE(geomfromtext('polygon((0 0, 1 2, 2 1, 0 0))'), geomfromtext('polygon((2 2, 3 4, 4 3, 2 2))')) 0.7071067811865475 select ST_DISTANCE(geomfromtext('polygon((0 0, 1 2, 2 1, 0 0))'), geomfromtext('linestring(0 1, 1 0)')); ST_DISTANCE(geomfromtext('polygon((0 0, 1 2, 2 1, 0 0))'), geomfromtext('linestring(0 1, 1 0)')) 0 select ST_DISTANCE(geomfromtext('polygon((0 0, 3 6, 6 3, 0 0))'), geomfromtext('polygon((2 2, 3 4, 4 3, 2 2))')); ST_DISTANCE(geomfromtext('polygon((0 0, 3 6, 6 3, 0 0))'), geomfromtext('polygon((2 2, 3 4, 4 3, 2 2))')) 0 select ST_DISTANCE(geomfromtext('polygon((0 0, 3 6, 6 3, 0 0),(2 2, 3 4, 4 3, 2 2))'), geomfromtext('point(3 3)')); ST_DISTANCE(geomfromtext('polygon((0 0, 3 6, 6 3, 0 0),(2 2, 3 4, 4 3, 2 2))'), geomfromtext('point(3 3)')) 0.4472135954999579 select ST_DISTANCE(geomfromtext('linestring(0 0, 3 6, 6 3, 0 0)'), geomfromtext('polygon((2 2, 3 4, 4 3, 2 2))')); ST_DISTANCE(geomfromtext('linestring(0 0, 3 6, 6 3, 0 0)'), geomfromtext('polygon((2 2, 3 4, 4 3, 2 2))')) 0.8944271909999159 select astext(ST_Intersection(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('POLYGON((50 5, 55 10, 0 45, 50 5))'))); astext(ST_Intersection(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('POLYGON((50 5, 55 10, 0 45, 50 5))'))) POLYGON((26.470588235294116 23.823529411764703,21.951219512195124 27.439024390243905,23.855421686746986 29.819277108433734,29.289940828402365 26.360946745562128,26.470588235294116 23.823529411764703)) select astext(ST_Intersection(GeomFromText('LINESTRING(0 0, 50 45, 40 50, 0 0)'), GeomFromText('LINESTRING(50 5, 55 10, 0 45, 50 5)'))); astext(ST_Intersection(GeomFromText('LINESTRING(0 0, 50 45, 40 50, 0 0)'), GeomFromText('LINESTRING(50 5, 55 10, 0 45, 50 5)'))) MULTIPOINT(26.470588235294116 23.823529411764703,29.289940828402365 26.360946745562128,21.951219512195124 27.439024390243905,23.855421686746986 29.819277108433734) select astext(ST_Intersection(GeomFromText('LINESTRING(0 0, 50 45, 40 50)'), GeomFromText('LINESTRING(50 5, 55 10, 0 45)'))); astext(ST_Intersection(GeomFromText('LINESTRING(0 0, 50 45, 40 50)'), GeomFromText('LINESTRING(50 5, 55 10, 0 45)'))) POINT(29.289940828402365 26.360946745562128) select astext(ST_Intersection(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('POINT(20 20)'))); astext(ST_Intersection(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('POINT(20 20)'))) POINT(20 20) select astext(ST_Intersection(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('LINESTRING(-10 -10, 200 200)'))); astext(ST_Intersection(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('LINESTRING(-10 -10, 200 200)'))) LINESTRING(0 0,46.666666666666664 46.666666666666664) select astext(ST_Intersection(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('LINESTRING(-10 -10, 200 200, 199 201, -11 -9)'))); astext(ST_Intersection(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('LINESTRING(-10 -10, 200 200, 199 201, -11 -9)'))) MULTILINESTRING((0 0,46.666666666666664 46.666666666666664),(8.000000000000002 10.000000000000002,45.333333333333336 47.333333333333336)) select astext(ST_UNION(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('LINESTRING(-10 -10, 200 200, 199 201, -11 -9)'))); astext(ST_UNION(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('LINESTRING(-10 -10, 200 200, 199 201, -11 -9)'))) GEOMETRYCOLLECTION(LINESTRING(-10 -10,0 0),LINESTRING(-11 -9,8.000000000000002 10.000000000000002),POLYGON((0 0,40 50,50 45,0 0)),LINESTRING(46.666666666666664 46.666666666666664,200 200,199 201,45.333333333333336 47.333333333333336)) select astext(ST_intersection(geomfromtext('polygon((0 0, 1 0, 0 1, 0 0))'), geomfromtext('polygon((0 0, 1 1, 0 2, 0 0))'))); astext(ST_intersection(geomfromtext('polygon((0 0, 1 0, 0 1, 0 0))'), geomfromtext('polygon((0 0, 1 1, 0 2, 0 0))'))) POLYGON((0 0,0 1,0.5 0.5,0 0)) select astext(ST_symdifference(geomfromtext('polygon((0 0, 1 0, 0 1, 0 0))'), geomfromtext('polygon((0 0, 1 1, 0 2, 0 0))'))); astext(ST_symdifference(geomfromtext('polygon((0 0, 1 0, 0 1, 0 0))'), geomfromtext('polygon((0 0, 1 1, 0 2, 0 0))'))) MULTIPOLYGON(((0 0,0 1,0 0,0.5 0.5,1 0,0 0)),((0.5 0.5,0 1,0 2,1 1,0.5 0.5))) select astext(ST_UNION(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('LINESTRING(-10 -10, 200 200, 199 201, -11 -9)'))); astext(ST_UNION(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('LINESTRING(-10 -10, 200 200, 199 201, -11 -9)'))) GEOMETRYCOLLECTION(LINESTRING(-10 -10,0 0),LINESTRING(-11 -9,8.000000000000002 10.000000000000002),POLYGON((0 0,40 50,50 45,0 0)),LINESTRING(46.666666666666664 46.666666666666664,200 200,199 201,45.333333333333336 47.333333333333336)) select astext(ST_buffer(geometryfromtext('point(1 1)'), 1)); astext(ST_buffer(geometryfromtext('point(1 1)'), 1)) POLYGON((1 0,0.950932325672582 0.001204543794827595,0.9019828596704393 0.004815273327803182,0.8532695255446382 0.010823490035218986,0.8049096779838717 0.01921471959676957,0.7570198200967361 0.029968746805456026,0.7097153227455377 0.043059664267791065,0.6631101466077799 0.058455934816979194,0.6173165676349102 0.07612046748871326,0.5724449065697179 0.09601070687655666,0.5286032631740024 0.11807873565164506,0.48589725580677834 0.14227138999972788,0.4444297669803978 0.16853038769745476,0.40430069550756664 0.19679246851935517,0.3656067158363545 0.226989546637263,0.32844104515298167 0.2590488746450409,0.29289321881345254 0.29289321881345254,0.2590488746450409 0.32844104515298167,0.226989546637263 0.3656067158363545,0.19679246851935517 0.40430069550756664,0.16853038769745476 0.4444297669803978,0.14227138999972788 0.48589725580677834,0.11807873565164506 0.5286032631740024,0.09601070687655666 0.5724449065697179,0.07612046748871326 0.6173165676349102,0.058455934816979194 0.6631101466077799,0.043059664267791065 0.7097153227455377,0.029968746805456026 0.7570198200967361,0.01921471959676957 0.8049096779838717,0.010823490035218986 0.8532695255446382,0.004815273327803182 0.9019828596704393,0.001204543794827595 0.950932325672582,0 1,0.004815273327803182 1.0980171403295607,0.010823490035218986 1.146730474455362,0.01921471959676957 1.1950903220161284,0.029968746805456026 1.2429801799032638,0.043059664267791065 1.2902846772544623,0.058455934816979194 1.3368898533922202,0.07612046748871326 1.3826834323650898,0.09601070687655666 1.427555093430282,0.11807873565164506 1.4713967368259975,0.14227138999972788 1.5141027441932216,0.16853038769745476 1.5555702330196022,0.19679246851935517 1.5956993044924332,0.226989546637263 1.6343932841636455,0.2590488746450409 1.6715589548470184,0.29289321881345254 1.7071067811865475,0.32844104515298167 1.7409511253549592,0.3656067158363545 1.7730104533627369,0.40430069550756664 1.8032075314806448,0.4444297669803978 1.8314696123025453,0.48589725580677834 1.8577286100002721,0.5286032631740024 1.881921264348355,0.5724449065697179 1.9039892931234434,0.6173165676349102 1.9238795325112867,0.6631101466077799 1.9415440651830207,0.7097153227455377 1.956940335732209,0.7570198200967361 1.970031253194544,0.8049096779838717 1.9807852804032304,0.8532695255446382 1.9891765099647811,0.9019828596704393 1.9951847266721967,0.950932325672582 1.9987954562051724,1 2,1.049067674327418 1.9987954562051724,1.0980171403295607 1.9951847266721967,1.146730474455362 1.9891765099647811,1.1950903220161284 1.9807852804032304,1.2429801799032638 1.970031253194544,1.2902846772544623 1.956940335732209,1.3368898533922202 1.9415440651830207,1.3826834323650898 1.9238795325112867,1.427555093430282 1.9039892931234434,1.4713967368259975 1.881921264348355,1.5141027441932216 1.8577286100002721,1.5555702330196022 1.8314696123025453,1.5956993044924332 1.8032075314806448,1.6343932841636455 1.7730104533627369,1.6715589548470184 1.7409511253549592,1.7071067811865475 1.7071067811865475,1.7409511253549592 1.6715589548470184,1.7730104533627369 1.6343932841636455,1.8032075314806448 1.5956993044924332,1.8314696123025453 1.5555702330196022,1.8577286100002721 1.5141027441932216,1.881921264348355 1.4713967368259975,1.9039892931234434 1.427555093430282,1.9238795325112867 1.3826834323650898,1.9415440651830207 1.3368898533922202,1.956940335732209 1.2902846772544623,1.970031253194544 1.2429801799032638,1.9807852804032304 1.1950903220161284,1.9891765099647811 1.146730474455362,1.9951847266721967 1.0980171403295607,1.9987954562051724 1.049067674327418,2 1,1.9951847266721967 0.9019828596704393,1.9891765099647811 0.8532695255446382,1.9807852804032304 0.8049096779838717,1.970031253194544 0.7570198200967361,1.956940335732209 0.7097153227455377,1.9415440651830207 0.6631101466077799,1.9238795325112867 0.6173165676349102,1.9039892931234434 0.5724449065697179,1.881921264348355 0.5286032631740024,1.8577286100002721 0.48589725580677834,1.8314696123025453 0.4444297669803978,1.8032075314806448 0.40430069550756664,1.7730104533627369 0.3656067158363545,1.7409511253549592 0.32844104515298167,1.7071067811865475 0.29289321881345254,1.6715589548470184 0.2590488746450409,1.6343932841636455 0.226989546637263,1.5956993044924332 0.19679246851935517,1.5555702330196022 0.16853038769745476,1.5141027441932216 0.14227138999972788,1.4713967368259975 0.11807873565164506,1.427555093430282 0.09601070687655666,1.3826834323650898 0.07612046748871326,1.3368898533922202 0.058455934816979194,1.2902846772544623 0.043059664267791065,1.2429801799032638 0.029968746805456026,1.1950903220161284 0.01921471959676957,1.146730474455362 0.010823490035218986,1.0980171403295607 0.004815273327803182,1.049067674327418 0.001204543794827595,1 0)) create table t1(geom geometrycollection); insert into t1 values (geomfromtext('POLYGON((0 0, 10 10, 0 8, 0 0))')); insert into t1 values (geomfromtext('POLYGON((1 1, 10 10, 0 8, 1 1))')); select astext(geom), area(geom),area(ST_buffer(geom,2)) from t1; astext(geom) area(geom) area(ST_buffer(geom,2)) POLYGON((0 0,10 10,0 8,0 0)) 40 117.2416763959153 POLYGON((1 1,10 10,0 8,1 1)) 36 108.55539589266459 select NUMPOINTS(EXTERIORRING(ST_buffer(geom,2))) from t1; NUMPOINTS(EXTERIORRING(ST_buffer(geom,2))) 133 134 set @geom=geomfromtext('LINESTRING(2 1, 4 2, 2 3, 2 5)'); set @buff=ST_buffer(@geom,1); select NUMPOINTS(EXTERIORRING(@buff)) from t1; NUMPOINTS(EXTERIORRING(@buff)) 202 202 DROP TABLE t1; select st_touches(geomfromtext('point(0 0)'), geomfromtext('point(1 1)')); st_touches(geomfromtext('point(0 0)'), geomfromtext('point(1 1)')) 0 select st_touches(geomfromtext('point(1 1)'), geomfromtext('point(1 1)')); st_touches(geomfromtext('point(1 1)'), geomfromtext('point(1 1)')) 1 select st_touches(geomfromtext('polygon((0 0, 2 2, 0 4, 0 0))'), geomfromtext('point(1 1)')); st_touches(geomfromtext('polygon((0 0, 2 2, 0 4, 0 0))'), geomfromtext('point(1 1)')) 1 select st_touches(geomfromtext('polygon((0 0, 2 2, 0 4, 0 0))'), geomfromtext('point(1 0)')); st_touches(geomfromtext('polygon((0 0, 2 2, 0 4, 0 0))'), geomfromtext('point(1 0)')) 0 select st_touches(geomfromtext('polygon((0 0, 2 2, 0 4, 0 0))'), geomfromtext('point(1 2)')); st_touches(geomfromtext('polygon((0 0, 2 2, 0 4, 0 0))'), geomfromtext('point(1 2)')) 0 select st_touches(geomfromtext('polygon((0 0, 2 2, 0 4, 0 0))'), geomfromtext('polygon((1 1.2, 1 0, 2 0, 1 1.2))')); st_touches(geomfromtext('polygon((0 0, 2 2, 0 4, 0 0))'), geomfromtext('polygon((1 1.2, 1 0, 2 0, 1 1.2))')) 0 select st_touches(geomfromtext('polygon((0 0, 2 2, 0 4, 0 0))'), geomfromtext('polygon((1 1, 1 0, 2 0, 1 1))')); st_touches(geomfromtext('polygon((0 0, 2 2, 0 4, 0 0))'), geomfromtext('polygon((1 1, 1 0, 2 0, 1 1))')) 1 SELECT ST_Equals(PolyFromText('POLYGON((67 13, 67 18, 67 18, 59 18, 59 13, 67 13) )'),PolyFromText('POLYGON((67 13, 67 18, 59 19, 59 13, 59 13, 67 13) )')) as result; result 0 SELECT ST_Equals(PolyFromText('POLYGON((67 13, 67 18, 67 18, 59 18, 59 13, 67 13) )'),PolyFromText('POLYGON((67 13, 67 18, 59 18, 59 13, 59 13, 67 13) )')) as result; result 1 SELECT ST_Equals(PointFromText('POINT (12 13)'),PointFromText('POINT (12 13)')) as result; result 1 # # BUG#11755628/47429: INTERSECTION FUNCTION CRASHED MYSQLD # BUG#11759650/51979: UNION/INTERSECTION OF POLYGONS CRASHES MYSQL # SELECT ASTEXT(ST_UNION(GEOMFROMTEXT('POLYGON((525000 183300,525400 183300,525400 18370, 525000 183700,525000 183300))'), geomfromtext('POLYGON((525298.67 183511.53,525296.57 183510.39,525296.42 183510.31,525289.11 183506.62,525283.17 183503.47,525280.98 183502.26,525278.63 183500.97,525278.39 183500.84,525276.79 183500,525260.7 183491.55,525263.95 183484.75,525265.58 183481.95,525278.97 183488.73,525276.5 183493.45,525275.5 183495.7,525280.35 183498.2,525282.3 183499.1,525282.2 183499.3,525283.55 183500,525301.75 183509.35,525304.45 183504.25,525307.85 183504.95,525304.5 183510.83,525302.81 183513.8,525298.67 183511.53),(525275.06 183489.89,525272.06 183488.37,525268.94 183494.51,525271.94 183496.03,525275.06 183489.89),(525263.26 183491.55,525266.15 183493.04,525269.88 183485.82,525266.99 183484.33,525263.26 183491.55))'))) st_u; st_u MULTIPOLYGON(((525400 18370,525000.9677614468 183300,525400 183300,525400 18370)),((525000.9677614468 183300,525000 183300,525000 183700,525000.9677614468 183300)),((525265.58 183481.95,525263.95 183484.75,525260.7 183491.55,525276.79 183500,525278.39 183500.84,525278.63 183500.97,525280.98 183502.26,525283.17 183503.47,525289.11 183506.62,525296.42 183510.31,525296.57 183510.39,525298.67 183511.53,525302.81 183513.8,525304.5 183510.83,525307.85 183504.95,525304.45 183504.25,525301.75 183509.35,525283.55 183500,525282.2 183499.3,525282.3 183499.1,525280.35 183498.2,525275.5 183495.7,525276.5 183493.45,525278.97 183488.73,525265.58 183481.95),(525266.99 183484.33,525263.26 183491.55,525266.15 183493.04,525269.88 183485.82,525266.99 183484.33),(525272.06 183488.37,525268.94 183494.51,525271.94 183496.03,525275.06 183489.89,525272.06 183488.37))) SET @a=0x0000000001030000000200000005000000000000000000000000000000000000000000000000002440000000000000000000000000000024400000000000002440000000000000000000000000000024400000000000000000000000000000000000000000000000000000F03F000000000000F03F0000000000000040000000000000F03F00000000000000400000000000000040000000000000F03F0000000000000040000000000000F03F000000000000F03F; SELECT ASTEXT(TOUCHES(@a, GEOMFROMTEXT('point(0 0)'))) t; t NULL DROP TABLE IF EXISTS p1; CREATE PROCEDURE p1(dist DOUBLE, geom TEXT) BEGIN DECLARE g GEOMETRY; SET g=GeomFromText(geom); SELECT geom AS `-----`; SELECT dist, GeometryType(@buf:=ST_Buffer(g, dist)) AS `buffer`, ROUND(ST_AREA(@buf),2) AS buf_area; END| # # Testing ST_BUFFER with positive distance # ----- POINT(0 0)) dist buffer buf_area 1 POLYGON 3.14 ----- LineString(0 1, 1 1)) dist buffer buf_area 1 POLYGON 5.14 ----- LineString(9 9,8 1,1 5,0 0) dist buffer buf_area 1 POLYGON 44.63 ----- Polygon((2 2,2 8,8 8,8 2,2 2)) dist buffer buf_area 1 POLYGON 63.14 ----- Polygon((0 0,0 8,8 8,8 0,0 0),(2 2,6 2,6 6,2 6,2 2)) dist buffer buf_area 1 POLYGON 95.14 ----- Polygon((0 0, 0 8, 8 8, 8 10, -10 10, -10 0, 0 0)) dist buffer buf_area 1 POLYGON 174.93 ----- MultiPoint(9 9,8 1,1 5) dist buffer buf_area 1 MULTIPOLYGON 9.42 ----- MultiLineString((0 0,2 2)) dist buffer buf_area 1 POLYGON 8.80 ----- MultiLineString((0 0,2 2,0 4)) dist buffer buf_area 1 POLYGON 14.24 ----- MultiLineString((0 0,2 2),(0 2,2 0)) dist buffer buf_area 1 POLYGON 13.59 ----- MultiLineString((2 2,2 8,-2 8),(-6 -6, 6 6),(10 10, 14 14)) dist buffer buf_area 1 MULTIPOLYGON 70.06 ----- MultiPolygon(((2 2,2 8,8 8,8 2,2 2)), ((9 9,8 1,1 5,9 9))) dist buffer buf_area 1 POLYGON 73.18 ----- MultiPolygon(((2 2,2 8,8 8,8 2,2 2), (4 4,4 6,6 6,6 4,4 4)),((9 9,8 1,1 5,9 9))) dist buffer buf_area 1 POLYGON 73.18 ----- GeometryCollection(Point(0 0)) dist buffer buf_area 1 POLYGON 3.14 ----- GeometryCollection(LineString(0 0, 2 2))) dist buffer buf_area 1 POLYGON 8.80 ----- GeometryCollection(Polygon((2 2,2 8,8 8,8 2,2 2)))) dist buffer buf_area 1 POLYGON 63.14 ----- GeometryCollection(MultiPoint(9 9,8 1,1 5)) dist buffer buf_area 1 MULTIPOLYGON 9.42 ----- GeometryCollection(MultiLineString((0 0,0 1),(3 0,3 1))) dist buffer buf_area 1 MULTIPOLYGON 10.28 ----- GeometryCollection(MultiPolygon(((0 0, 3 0, 3 3, 0 3, 0 0)),((6 6,6 9,9 9,9 6,6 6)))) dist buffer buf_area 1 MULTIPOLYGON 48.28 ----- GeometryCollection(Point(9 9),LineString(1 5,0 0),Polygon((2 2,2 8,8 8,8 2,2 2))) dist buffer buf_area 1 POLYGON 75.92 # # Testing ST_BUFFER with zero distance # ----- POINT(0 0)) dist buffer buf_area 0 POINT 0.00 ----- LineString(0 1, 1 1)) dist buffer buf_area 0 LINESTRING 0.00 ----- LineString(9 9,8 1,1 5,0 0) dist buffer buf_area 0 LINESTRING 0.00 ----- Polygon((2 2,2 8,8 8,8 2,2 2)) dist buffer buf_area 0 POLYGON 36.00 ----- Polygon((0 0,0 8,8 8,8 0,0 0),(2 2,6 2,6 6,2 6,2 2)) dist buffer buf_area 0 POLYGON 48.00 ----- Polygon((0 0, 0 8, 8 8, 8 10, -10 10, -10 0, 0 0)) dist buffer buf_area 0 POLYGON 116.00 ----- MultiPoint(9 9,8 1,1 5) dist buffer buf_area 0 MULTIPOINT 0.00 ----- MultiLineString((0 0,2 2)) dist buffer buf_area 0 MULTILINESTRING 0.00 ----- MultiLineString((0 0,2 2,0 4)) dist buffer buf_area 0 MULTILINESTRING 0.00 ----- MultiLineString((0 0,2 2),(0 2,2 0)) dist buffer buf_area 0 MULTILINESTRING 0.00 ----- MultiLineString((2 2,2 8,-2 8),(-6 -6, 6 6),(10 10, 14 14)) dist buffer buf_area 0 MULTILINESTRING 0.00 ----- MultiPolygon(((2 2,2 8,8 8,8 2,2 2)), ((9 9,8 1,1 5,9 9))) dist buffer buf_area 0 MULTIPOLYGON 66.00 ----- MultiPolygon(((2 2,2 8,8 8,8 2,2 2), (4 4,4 6,6 6,6 4,4 4)),((9 9,8 1,1 5,9 9))) dist buffer buf_area 0 MULTIPOLYGON 62.00 ----- GeometryCollection(Point(0 0)) dist buffer buf_area 0 GEOMETRYCOLLECTION 0.00 ----- GeometryCollection(LineString(0 0, 2 2))) dist buffer buf_area 0 GEOMETRYCOLLECTION 0.00 ----- GeometryCollection(Polygon((2 2,2 8,8 8,8 2,2 2)))) dist buffer buf_area 0 GEOMETRYCOLLECTION 36.00 ----- GeometryCollection(MultiPoint(9 9,8 1,1 5)) dist buffer buf_area 0 GEOMETRYCOLLECTION 0.00 ----- GeometryCollection(MultiLineString((0 0,0 1),(3 0,3 1))) dist buffer buf_area 0 GEOMETRYCOLLECTION 0.00 ----- GeometryCollection(MultiPolygon(((0 0, 3 0, 3 3, 0 3, 0 0)),((6 6,6 9,9 9,9 6,6 6)))) dist buffer buf_area 0 GEOMETRYCOLLECTION 18.00 ----- GeometryCollection(Point(9 9),LineString(1 5,0 0),Polygon((2 2,2 8,8 8,8 2,2 2))) dist buffer buf_area 0 GEOMETRYCOLLECTION 36.00 # # Testing ST_BUFFER with negative distance # ----- POINT(0 0)) dist buffer buf_area -1 NULL NULL ----- LineString(0 1, 1 1)) dist buffer buf_area -1 NULL NULL ----- LineString(9 9,8 1,1 5,0 0) dist buffer buf_area -1 NULL NULL ----- Polygon((2 2,2 8,8 8,8 2,2 2)) dist buffer buf_area -1 POLYGON 16.00 ----- MultiPoint(9 9,8 1,1 5) dist buffer buf_area -1 NULL NULL ----- MultiLineString((0 0,2 2)) dist buffer buf_area -1 NULL NULL ----- MultiLineString((0 0,2 2,0 4)) dist buffer buf_area -1 NULL NULL ----- MultiLineString((0 0,2 2),(0 2,2 0)) dist buffer buf_area -1 NULL NULL ----- MultiLineString((2 2,2 8,-2 8),(-6 -6, 6 6),(10 10, 14 14)) dist buffer buf_area -1 NULL NULL ----- GeometryCollection(Point(0 0)) dist buffer buf_area -1 NULL NULL ----- GeometryCollection(LineString(0 0, 2 2))) dist buffer buf_area -1 NULL NULL ----- GeometryCollection(Polygon((2 2,2 8,8 8,8 2,2 2)))) dist buffer buf_area -1 POLYGON 16.00 ----- GeometryCollection(MultiPoint(9 9,8 1,1 5)) dist buffer buf_area -1 NULL NULL ----- GeometryCollection(MultiLineString((0 0,0 1),(3 0,3 1))) dist buffer buf_area -1 NULL NULL ----- GeometryCollection(Point(9 9),LineString(1 5,0 0),Polygon((2 2,2 8,8 8,8 2,2 2))) dist buffer buf_area -1 POLYGON 16.00 SELECT ST_CONTAINS( GeomFromText('MULTIPOLYGON(((0 0, 0 5, 5 5, 5 0, 0 0)),((6 6, 6 11, 11 11, 11 6, 6 6)))'), GeomFromText('POINT(5 10)')); ST_CONTAINS( GeomFromText('MULTIPOLYGON(((0 0, 0 5, 5 5, 5 0, 0 0)),((6 6, 6 11, 11 11, 11 6, 6 6)))'), GeomFromText('POINT(5 10)')) 0 SELECT AsText(ST_UNION( GeomFromText('MULTIPOLYGON(((0 0, 0 5, 5 5, 5 0, 0 0)),((6 6, 6 11, 11 11, 11 6, 6 6)))'), GeomFromText('POINT(5 10)'))); AsText(ST_UNION( GeomFromText('MULTIPOLYGON(((0 0, 0 5, 5 5, 5 0, 0 0)),((6 6, 6 11, 11 11, 11 6, 6 6)))'), GeomFromText('POINT(5 10)'))) GEOMETRYCOLLECTION(POLYGON((0 0,0 5,5 5,5 0,0 0)),POLYGON((6 6,6 11,11 11,11 6,6 6)),POINT(5 10)) DROP PROCEDURE p1; # # Bug #13833019 ASSERTION `T1->RESULT_RANGE' FAILED IN GCALC_OPERATION_REDUCER::END_COUPLE # SELECT GeometryType(ST_BUFFER(MULTIPOLYGONFROMTEXT('MULTIPOLYGON(((0 0,9 4,3 3,0 0)),((2 2,2 2,8 8,2 3,2 2)))'), 3)); GeometryType(ST_BUFFER(MULTIPOLYGONFROMTEXT('MULTIPOLYGON(((0 0,9 4,3 3,0 0)),((2 2,2 2,8 8,2 3,2 2)))'), 3)) POLYGON # # Bug #13832749 HANDLE_FATAL_SIGNAL IN GCALC_FUNCTION::COUNT_INTERNAL # SELECT GeometryType(ST_BUFFER(MULTIPOLYGONFROMTEXT('MULTIPOLYGON(((3 5,2 5,2 4,3 4,3 5)),((2 2,2 8,8 8,8 2,2 2), (4 4,4 6,6 6,6 4,4 4)), ((9 9,8 1,1 5,9 9)))'),1)); GeometryType(ST_BUFFER(MULTIPOLYGONFROMTEXT('MULTIPOLYGON(((3 5,2 5,2 4,3 4,3 5)),((2 2,2 8,8 8,8 2,2 2), (4 4,4 6,6 6,6 4,4 4)), ((9 9,8 1,1 5,9 9)))'),1)) POLYGON # # Bug#13358363 - ASSERTION: N > 0 && N < SINUSES_CALCULATED*2+1 | GET_N_SINCOS/ADD_EDGE_BUFFER # DO ST_BUFFER(ST_GEOMCOLLFROMTEXT('linestring(1 1,2 2)'),''); SELECT ST_WITHIN( LINESTRINGFROMTEXT(' LINESTRING(3 8,9 2,3 8,3 3,7 6,4 7,4 7,8 1) '), ST_BUFFER(MULTIPOLYGONFROMTEXT(' MULTIPOLYGON(((3 5,2 5,2 4,3 4,3 5)),((2 2,2 8,8 8,8 2,2 2),(4 4,4 6,6 6,6 4,4 4)),((0 5,3 5,3 2,1 2,1 1,3 1,3 0,0 0,0 3,2 3,2 4,0 4,0 5))) '), ST_NUMINTERIORRINGS(POLYGONFROMTEXT('POLYGON((3 5,2 4,2 5,3 5)) ')))); ST_WITHIN( LINESTRINGFROMTEXT(' LINESTRING(3 8,9 2,3 8,3 3,7 6,4 7,4 7,8 1) '), ST_BUFFER(MULTIPOLYGONFROMTEXT(' MULTIPOLYGON(((3 5,2 5,2 4,3 4,3 5)),((2 2,2 8,8 8,8 2,2 2),(4 4,4 6,6 6,6 4,4 4)),((0 5,3 5,3 2,1 2,1 1,3 1,3 0,0 0,0 3,2 3,2 4,0 4,0 5))) ') 0 SELECT ST_DIMENSION(ST_BUFFER(POLYGONFROMTEXT(' POLYGON((3 5,2 5,2 4,3 4,3 5)) '), ST_NUMINTERIORRINGS(POLYGONFROMTEXT(' POLYGON((0 0,9 3,4 2,0 0))')))); ST_DIMENSION(ST_BUFFER(POLYGONFROMTEXT(' POLYGON((3 5,2 5,2 4,3 4,3 5)) '), ST_NUMINTERIORRINGS(POLYGONFROMTEXT(' POLYGON((0 0,9 3,4 2,0 0))')))) 2 SELECT ST_NUMINTERIORRINGS( ST_ENVELOPE(ST_BUFFER(MULTIPOLYGONFROMTEXT('MULTIPOLYGON(((3 5,2 5,2 4,3 4,3 5))) '), SRID(MULTILINESTRINGFROMTEXT('MULTILINESTRING((2 2,4 2,1 2,2 4,2 2)) '))))); ST_NUMINTERIORRINGS( ST_ENVELOPE(ST_BUFFER(MULTIPOLYGONFROMTEXT('MULTIPOLYGON(((3 5,2 5,2 4,3 4,3 5))) '), SRID(MULTILINESTRINGFROMTEXT('MULTILINESTRING((2 2,4 2,1 2,2 4,2 2)) '))))) 0 SELECT ASTEXT(ST_BUFFER(POLYGONFROMTEXT(' POLYGON((9 9,5 2,4 5,9 9))'), SRID(GEOMETRYFROMTEXT(' MULTIPOINT(8 4,5 0,7 8,6 9,3 4,7 3,5 5) ')))); ASTEXT(ST_BUFFER(POLYGONFROMTEXT(' POLYGON((9 9,5 2,4 5,9 9))'), SRID(GEOMETRYFROMTEXT(' MULTIPOINT(8 4,5 0,7 8,6 9,3 4,7 3,5 5) ')))) POLYGON((9 9,5 2,4 5,9 9))