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geosql-traps

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Tags:
gis
geospatial
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duckdb
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id
stringlengths
10
19
family
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question
stringlengths
47
110
answer
unknown
kind
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3 values
tolerance
float64
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gold_sql
stringlengths
69
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naive_sql
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250
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radius_degrees-00
radius_degrees
How many other sites are within 50 km of site S-HEL-04?
4
int
null
SELECT count(*) FROM sites a, sites b WHERE a.name='S-HEL-04' AND b.name<>a.name AND ST_Distance_Spheroid(a.geom,b.geom)<=50000
SELECT count(*) FROM sites a, sites b WHERE a.name='S-HEL-04' AND b.name<>a.name AND ST_Distance(a.geom,b.geom)<=0.4491555874955085
radius_degrees-01
radius_degrees
How many other sites are within 40 km of site S-REK-06?
5
int
null
SELECT count(*) FROM sites a, sites b WHERE a.name='S-REK-06' AND b.name<>a.name AND ST_Distance_Spheroid(a.geom,b.geom)<=40000
SELECT count(*) FROM sites a, sites b WHERE a.name='S-REK-06' AND b.name<>a.name AND ST_Distance(a.geom,b.geom)<=0.35932446999640677
radius_degrees-02
radius_degrees
How many other sites are within 40 km of site S-REK-04?
5
int
null
SELECT count(*) FROM sites a, sites b WHERE a.name='S-REK-04' AND b.name<>a.name AND ST_Distance_Spheroid(a.geom,b.geom)<=40000
SELECT count(*) FROM sites a, sites b WHERE a.name='S-REK-04' AND b.name<>a.name AND ST_Distance(a.geom,b.geom)<=0.35932446999640677
radius_degrees-03
radius_degrees
How many other sites are within 40 km of site S-HEL-12?
3
int
null
SELECT count(*) FROM sites a, sites b WHERE a.name='S-HEL-12' AND b.name<>a.name AND ST_Distance_Spheroid(a.geom,b.geom)<=40000
SELECT count(*) FROM sites a, sites b WHERE a.name='S-HEL-12' AND b.name<>a.name AND ST_Distance(a.geom,b.geom)<=0.35932446999640677
radius_degrees-04
radius_degrees
How many other sites are within 20 km of site S-TRO-13?
1
int
null
SELECT count(*) FROM sites a, sites b WHERE a.name='S-TRO-13' AND b.name<>a.name AND ST_Distance_Spheroid(a.geom,b.geom)<=20000
SELECT count(*) FROM sites a, sites b WHERE a.name='S-TRO-13' AND b.name<>a.name AND ST_Distance(a.geom,b.geom)<=0.17966223499820339
radius_degrees-05
radius_degrees
How many other sites are within 30 km of site S-HEL-13?
1
int
null
SELECT count(*) FROM sites a, sites b WHERE a.name='S-HEL-13' AND b.name<>a.name AND ST_Distance_Spheroid(a.geom,b.geom)<=30000
SELECT count(*) FROM sites a, sites b WHERE a.name='S-HEL-13' AND b.name<>a.name AND ST_Distance(a.geom,b.geom)<=0.2694933524973051
radius_degrees-06
radius_degrees
How many other sites are within 20 km of site S-ANC-04?
1
int
null
SELECT count(*) FROM sites a, sites b WHERE a.name='S-ANC-04' AND b.name<>a.name AND ST_Distance_Spheroid(a.geom,b.geom)<=20000
SELECT count(*) FROM sites a, sites b WHERE a.name='S-ANC-04' AND b.name<>a.name AND ST_Distance(a.geom,b.geom)<=0.17966223499820339
radius_degrees-07
radius_degrees
How many other sites are within 40 km of site S-TRO-10?
2
int
null
SELECT count(*) FROM sites a, sites b WHERE a.name='S-TRO-10' AND b.name<>a.name AND ST_Distance_Spheroid(a.geom,b.geom)<=40000
SELECT count(*) FROM sites a, sites b WHERE a.name='S-TRO-10' AND b.name<>a.name AND ST_Distance(a.geom,b.geom)<=0.35932446999640677
radius_degrees-08
radius_degrees
How many other sites are within 20 km of site S-ANC-08?
1
int
null
SELECT count(*) FROM sites a, sites b WHERE a.name='S-ANC-08' AND b.name<>a.name AND ST_Distance_Spheroid(a.geom,b.geom)<=20000
SELECT count(*) FROM sites a, sites b WHERE a.name='S-ANC-08' AND b.name<>a.name AND ST_Distance(a.geom,b.geom)<=0.17966223499820339
radius_degrees-09
radius_degrees
How many other sites are within 30 km of site S-HEL-07?
2
int
null
SELECT count(*) FROM sites a, sites b WHERE a.name='S-HEL-07' AND b.name<>a.name AND ST_Distance_Spheroid(a.geom,b.geom)<=30000
SELECT count(*) FROM sites a, sites b WHERE a.name='S-HEL-07' AND b.name<>a.name AND ST_Distance(a.geom,b.geom)<=0.2694933524973051
radius_degrees-10
radius_degrees
How many other sites are within 40 km of site S-TRO-03?
1
int
null
SELECT count(*) FROM sites a, sites b WHERE a.name='S-TRO-03' AND b.name<>a.name AND ST_Distance_Spheroid(a.geom,b.geom)<=40000
SELECT count(*) FROM sites a, sites b WHERE a.name='S-TRO-03' AND b.name<>a.name AND ST_Distance(a.geom,b.geom)<=0.35932446999640677
radius_degrees-11
radius_degrees
How many other sites are within 50 km of site S-REK-01?
8
int
null
SELECT count(*) FROM sites a, sites b WHERE a.name='S-REK-01' AND b.name<>a.name AND ST_Distance_Spheroid(a.geom,b.geom)<=50000
SELECT count(*) FROM sites a, sites b WHERE a.name='S-REK-01' AND b.name<>a.name AND ST_Distance(a.geom,b.geom)<=0.4491555874955085
nearest_degrees-00
nearest_degrees
Which other site is nearest to site S-OSL-00? Return its name.
"S-OSL-08"
text
null
SELECT b.name FROM sites a, sites b WHERE a.name='S-OSL-00' AND b.name<>a.name ORDER BY ST_Distance_Spheroid(a.geom,b.geom) LIMIT 1
SELECT b.name FROM sites a, sites b WHERE a.name='S-OSL-00' AND b.name<>a.name ORDER BY ST_Distance(a.geom,b.geom) LIMIT 1
nearest_degrees-01
nearest_degrees
Which other site is nearest to site S-OSL-03? Return its name.
"S-OSL-12"
text
null
SELECT b.name FROM sites a, sites b WHERE a.name='S-OSL-03' AND b.name<>a.name ORDER BY ST_Distance_Spheroid(a.geom,b.geom) LIMIT 1
SELECT b.name FROM sites a, sites b WHERE a.name='S-OSL-03' AND b.name<>a.name ORDER BY ST_Distance(a.geom,b.geom) LIMIT 1
nearest_degrees-02
nearest_degrees
Which other site is nearest to site S-TRO-10? Return its name.
"S-TRO-04"
text
null
SELECT b.name FROM sites a, sites b WHERE a.name='S-TRO-10' AND b.name<>a.name ORDER BY ST_Distance_Spheroid(a.geom,b.geom) LIMIT 1
SELECT b.name FROM sites a, sites b WHERE a.name='S-TRO-10' AND b.name<>a.name ORDER BY ST_Distance(a.geom,b.geom) LIMIT 1
nearest_degrees-03
nearest_degrees
Which other site is nearest to site S-HEL-07? Return its name.
"S-HEL-06"
text
null
SELECT b.name FROM sites a, sites b WHERE a.name='S-HEL-07' AND b.name<>a.name ORDER BY ST_Distance_Spheroid(a.geom,b.geom) LIMIT 1
SELECT b.name FROM sites a, sites b WHERE a.name='S-HEL-07' AND b.name<>a.name ORDER BY ST_Distance(a.geom,b.geom) LIMIT 1
nearest_degrees-04
nearest_degrees
Which other site is nearest to site S-USH-02? Return its name.
"S-USH-13"
text
null
SELECT b.name FROM sites a, sites b WHERE a.name='S-USH-02' AND b.name<>a.name ORDER BY ST_Distance_Spheroid(a.geom,b.geom) LIMIT 1
SELECT b.name FROM sites a, sites b WHERE a.name='S-USH-02' AND b.name<>a.name ORDER BY ST_Distance(a.geom,b.geom) LIMIT 1
nearest_degrees-05
nearest_degrees
Which other site is nearest to site S-ANC-01? Return its name.
"S-ANC-05"
text
null
SELECT b.name FROM sites a, sites b WHERE a.name='S-ANC-01' AND b.name<>a.name ORDER BY ST_Distance_Spheroid(a.geom,b.geom) LIMIT 1
SELECT b.name FROM sites a, sites b WHERE a.name='S-ANC-01' AND b.name<>a.name ORDER BY ST_Distance(a.geom,b.geom) LIMIT 1
nearest_degrees-06
nearest_degrees
Which other site is nearest to site S-OSL-04? Return its name.
"S-OSL-02"
text
null
SELECT b.name FROM sites a, sites b WHERE a.name='S-OSL-04' AND b.name<>a.name ORDER BY ST_Distance_Spheroid(a.geom,b.geom) LIMIT 1
SELECT b.name FROM sites a, sites b WHERE a.name='S-OSL-04' AND b.name<>a.name ORDER BY ST_Distance(a.geom,b.geom) LIMIT 1
nearest_degrees-07
nearest_degrees
Which other site is nearest to site S-USH-09? Return its name.
"S-USH-08"
text
null
SELECT b.name FROM sites a, sites b WHERE a.name='S-USH-09' AND b.name<>a.name ORDER BY ST_Distance_Spheroid(a.geom,b.geom) LIMIT 1
SELECT b.name FROM sites a, sites b WHERE a.name='S-USH-09' AND b.name<>a.name ORDER BY ST_Distance(a.geom,b.geom) LIMIT 1
nearest_degrees-08
nearest_degrees
Which other site is nearest to site S-HEL-08? Return its name.
"S-HEL-09"
text
null
SELECT b.name FROM sites a, sites b WHERE a.name='S-HEL-08' AND b.name<>a.name ORDER BY ST_Distance_Spheroid(a.geom,b.geom) LIMIT 1
SELECT b.name FROM sites a, sites b WHERE a.name='S-HEL-08' AND b.name<>a.name ORDER BY ST_Distance(a.geom,b.geom) LIMIT 1
nearest_degrees-09
nearest_degrees
Which other site is nearest to site S-ANC-03? Return its name.
"S-ANC-02"
text
null
SELECT b.name FROM sites a, sites b WHERE a.name='S-ANC-03' AND b.name<>a.name ORDER BY ST_Distance_Spheroid(a.geom,b.geom) LIMIT 1
SELECT b.name FROM sites a, sites b WHERE a.name='S-ANC-03' AND b.name<>a.name ORDER BY ST_Distance(a.geom,b.geom) LIMIT 1
nearest_degrees-10
nearest_degrees
Which other site is nearest to site S-TRO-02? Return its name.
"S-TRO-01"
text
null
SELECT b.name FROM sites a, sites b WHERE a.name='S-TRO-02' AND b.name<>a.name ORDER BY ST_Distance_Spheroid(a.geom,b.geom) LIMIT 1
SELECT b.name FROM sites a, sites b WHERE a.name='S-TRO-02' AND b.name<>a.name ORDER BY ST_Distance(a.geom,b.geom) LIMIT 1
nearest_degrees-11
nearest_degrees
Which other site is nearest to site S-TRO-06? Return its name.
"S-TRO-00"
text
null
SELECT b.name FROM sites a, sites b WHERE a.name='S-TRO-06' AND b.name<>a.name ORDER BY ST_Distance_Spheroid(a.geom,b.geom) LIMIT 1
SELECT b.name FROM sites a, sites b WHERE a.name='S-TRO-06' AND b.name<>a.name ORDER BY ST_Distance(a.geom,b.geom) LIMIT 1
distance_webmerc-00
distance_webmerc
What is the true ground distance in kilometres between site S-OSL-01 and site S-OSL-10 in table sites_webmerc?
28.9368958642
num
0.01
SELECT ST_Distance_Spheroid(ST_Transform(a.geom,'EPSG:3857','EPSG:4326',true),ST_Transform(b.geom,'EPSG:3857','EPSG:4326',true))/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-OSL-01' AND b.name='S-OSL-10'
SELECT ST_Distance(a.geom,b.geom)/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-OSL-01' AND b.name='S-OSL-10'
distance_webmerc-01
distance_webmerc
What is the true ground distance in kilometres between site S-HEL-04 and site S-HEL-06 in table sites_webmerc?
84.7820574712
num
0.01
SELECT ST_Distance_Spheroid(ST_Transform(a.geom,'EPSG:3857','EPSG:4326',true),ST_Transform(b.geom,'EPSG:3857','EPSG:4326',true))/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-HEL-04' AND b.name='S-HEL-06'
SELECT ST_Distance(a.geom,b.geom)/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-HEL-04' AND b.name='S-HEL-06'
distance_webmerc-02
distance_webmerc
What is the true ground distance in kilometres between site S-REK-06 and site S-REK-08 in table sites_webmerc?
65.1566663404
num
0.01
SELECT ST_Distance_Spheroid(ST_Transform(a.geom,'EPSG:3857','EPSG:4326',true),ST_Transform(b.geom,'EPSG:3857','EPSG:4326',true))/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-REK-06' AND b.name='S-REK-08'
SELECT ST_Distance(a.geom,b.geom)/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-REK-06' AND b.name='S-REK-08'
distance_webmerc-03
distance_webmerc
What is the true ground distance in kilometres between site S-REK-04 and site S-REK-06 in table sites_webmerc?
58.3797693474
num
0.01
SELECT ST_Distance_Spheroid(ST_Transform(a.geom,'EPSG:3857','EPSG:4326',true),ST_Transform(b.geom,'EPSG:3857','EPSG:4326',true))/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-REK-04' AND b.name='S-REK-06'
SELECT ST_Distance(a.geom,b.geom)/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-REK-04' AND b.name='S-REK-06'
distance_webmerc-04
distance_webmerc
What is the true ground distance in kilometres between site S-OSL-00 and site S-OSL-10 in table sites_webmerc?
25.6120756438
num
0.01
SELECT ST_Distance_Spheroid(ST_Transform(a.geom,'EPSG:3857','EPSG:4326',true),ST_Transform(b.geom,'EPSG:3857','EPSG:4326',true))/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-OSL-00' AND b.name='S-OSL-10'
SELECT ST_Distance(a.geom,b.geom)/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-OSL-00' AND b.name='S-OSL-10'
distance_webmerc-05
distance_webmerc
What is the true ground distance in kilometres between site S-HEL-12 and site S-HEL-05 in table sites_webmerc?
42.4257288385
num
0.01
SELECT ST_Distance_Spheroid(ST_Transform(a.geom,'EPSG:3857','EPSG:4326',true),ST_Transform(b.geom,'EPSG:3857','EPSG:4326',true))/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-HEL-12' AND b.name='S-HEL-05'
SELECT ST_Distance(a.geom,b.geom)/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-HEL-12' AND b.name='S-HEL-05'
distance_webmerc-06
distance_webmerc
What is the true ground distance in kilometres between site S-OSL-03 and site S-OSL-10 in table sites_webmerc?
117.0198881004
num
0.01
SELECT ST_Distance_Spheroid(ST_Transform(a.geom,'EPSG:3857','EPSG:4326',true),ST_Transform(b.geom,'EPSG:3857','EPSG:4326',true))/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-OSL-03' AND b.name='S-OSL-10'
SELECT ST_Distance(a.geom,b.geom)/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-OSL-03' AND b.name='S-OSL-10'
distance_webmerc-07
distance_webmerc
What is the true ground distance in kilometres between site S-TRO-13 and site S-TRO-04 in table sites_webmerc?
111.7049602655
num
0.01
SELECT ST_Distance_Spheroid(ST_Transform(a.geom,'EPSG:3857','EPSG:4326',true),ST_Transform(b.geom,'EPSG:3857','EPSG:4326',true))/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-TRO-13' AND b.name='S-TRO-04'
SELECT ST_Distance(a.geom,b.geom)/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-TRO-13' AND b.name='S-TRO-04'
distance_webmerc-08
distance_webmerc
What is the true ground distance in kilometres between site S-HEL-13 and site S-HEL-01 in table sites_webmerc?
37.8237148752
num
0.01
SELECT ST_Distance_Spheroid(ST_Transform(a.geom,'EPSG:3857','EPSG:4326',true),ST_Transform(b.geom,'EPSG:3857','EPSG:4326',true))/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-HEL-13' AND b.name='S-HEL-01'
SELECT ST_Distance(a.geom,b.geom)/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-HEL-13' AND b.name='S-HEL-01'
distance_webmerc-09
distance_webmerc
What is the true ground distance in kilometres between site S-ANC-04 and site S-ANC-06 in table sites_webmerc?
92.4782489944
num
0.01
SELECT ST_Distance_Spheroid(ST_Transform(a.geom,'EPSG:3857','EPSG:4326',true),ST_Transform(b.geom,'EPSG:3857','EPSG:4326',true))/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-ANC-04' AND b.name='S-ANC-06'
SELECT ST_Distance(a.geom,b.geom)/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-ANC-04' AND b.name='S-ANC-06'
distance_webmerc-10
distance_webmerc
What is the true ground distance in kilometres between site S-TRO-10 and site S-TRO-08 in table sites_webmerc?
50.2647522289
num
0.01
SELECT ST_Distance_Spheroid(ST_Transform(a.geom,'EPSG:3857','EPSG:4326',true),ST_Transform(b.geom,'EPSG:3857','EPSG:4326',true))/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-TRO-10' AND b.name='S-TRO-08'
SELECT ST_Distance(a.geom,b.geom)/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-TRO-10' AND b.name='S-TRO-08'
distance_webmerc-11
distance_webmerc
What is the true ground distance in kilometres between site S-ANC-08 and site S-ANC-03 in table sites_webmerc?
75.1691260468
num
0.01
SELECT ST_Distance_Spheroid(ST_Transform(a.geom,'EPSG:3857','EPSG:4326',true),ST_Transform(b.geom,'EPSG:3857','EPSG:4326',true))/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-ANC-08' AND b.name='S-ANC-03'
SELECT ST_Distance(a.geom,b.geom)/1000 FROM sites_webmerc a, sites_webmerc b WHERE a.name='S-ANC-08' AND b.name='S-ANC-03'
axis_order-00
axis_order
What is the distance in kilometres between stations T-ANC-02 and T-ANC-13?
73.939864226
num
0.01
SELECT ST_Distance_Spheroid(ST_Point(a.longitude,a.latitude),ST_Point(b.longitude,b.latitude))/1000 FROM stations a, stations b WHERE a.name='T-ANC-02' AND b.name='T-ANC-13'
SELECT ST_Distance_Spheroid(ST_Point(a.latitude,a.longitude),ST_Point(b.latitude,b.longitude))/1000 FROM stations a, stations b WHERE a.name='T-ANC-02' AND b.name='T-ANC-13'
axis_order-01
axis_order
What is the distance in kilometres between stations T-IST-00 and T-IST-03?
67.9263251933
num
0.01
SELECT ST_Distance_Spheroid(ST_Point(a.longitude,a.latitude),ST_Point(b.longitude,b.latitude))/1000 FROM stations a, stations b WHERE a.name='T-IST-00' AND b.name='T-IST-03'
SELECT ST_Distance_Spheroid(ST_Point(a.latitude,a.longitude),ST_Point(b.latitude,b.longitude))/1000 FROM stations a, stations b WHERE a.name='T-IST-00' AND b.name='T-IST-03'
axis_order-02
axis_order
What is the distance in kilometres between stations T-IST-07 and T-IST-08?
88.107668693
num
0.01
SELECT ST_Distance_Spheroid(ST_Point(a.longitude,a.latitude),ST_Point(b.longitude,b.latitude))/1000 FROM stations a, stations b WHERE a.name='T-IST-07' AND b.name='T-IST-08'
SELECT ST_Distance_Spheroid(ST_Point(a.latitude,a.longitude),ST_Point(b.latitude,b.longitude))/1000 FROM stations a, stations b WHERE a.name='T-IST-07' AND b.name='T-IST-08'
axis_order-03
axis_order
What is the distance in kilometres between stations T-ANC-06 and T-ANC-05?
39.6391235995
num
0.01
SELECT ST_Distance_Spheroid(ST_Point(a.longitude,a.latitude),ST_Point(b.longitude,b.latitude))/1000 FROM stations a, stations b WHERE a.name='T-ANC-06' AND b.name='T-ANC-05'
SELECT ST_Distance_Spheroid(ST_Point(a.latitude,a.longitude),ST_Point(b.latitude,b.longitude))/1000 FROM stations a, stations b WHERE a.name='T-ANC-06' AND b.name='T-ANC-05'
axis_order-04
axis_order
What is the distance in kilometres between stations T-TRO-00 and T-TRO-05?
8.6558425824
num
0.01
SELECT ST_Distance_Spheroid(ST_Point(a.longitude,a.latitude),ST_Point(b.longitude,b.latitude))/1000 FROM stations a, stations b WHERE a.name='T-TRO-00' AND b.name='T-TRO-05'
SELECT ST_Distance_Spheroid(ST_Point(a.latitude,a.longitude),ST_Point(b.latitude,b.longitude))/1000 FROM stations a, stations b WHERE a.name='T-TRO-00' AND b.name='T-TRO-05'
axis_order-05
axis_order
What is the distance in kilometres between stations T-ANC-00 and T-ANC-04?
87.1240561908
num
0.01
SELECT ST_Distance_Spheroid(ST_Point(a.longitude,a.latitude),ST_Point(b.longitude,b.latitude))/1000 FROM stations a, stations b WHERE a.name='T-ANC-00' AND b.name='T-ANC-04'
SELECT ST_Distance_Spheroid(ST_Point(a.latitude,a.longitude),ST_Point(b.latitude,b.longitude))/1000 FROM stations a, stations b WHERE a.name='T-ANC-00' AND b.name='T-ANC-04'
axis_order-06
axis_order
What is the distance in kilometres between stations T-USH-09 and T-USH-01?
75.0513733992
num
0.01
SELECT ST_Distance_Spheroid(ST_Point(a.longitude,a.latitude),ST_Point(b.longitude,b.latitude))/1000 FROM stations a, stations b WHERE a.name='T-USH-09' AND b.name='T-USH-01'
SELECT ST_Distance_Spheroid(ST_Point(a.latitude,a.longitude),ST_Point(b.latitude,b.longitude))/1000 FROM stations a, stations b WHERE a.name='T-USH-09' AND b.name='T-USH-01'
axis_order-07
axis_order
What is the distance in kilometres between stations T-REK-02 and T-REK-00?
65.7819454675
num
0.01
SELECT ST_Distance_Spheroid(ST_Point(a.longitude,a.latitude),ST_Point(b.longitude,b.latitude))/1000 FROM stations a, stations b WHERE a.name='T-REK-02' AND b.name='T-REK-00'
SELECT ST_Distance_Spheroid(ST_Point(a.latitude,a.longitude),ST_Point(b.latitude,b.longitude))/1000 FROM stations a, stations b WHERE a.name='T-REK-02' AND b.name='T-REK-00'
axis_order-08
axis_order
What is the distance in kilometres between stations T-USH-11 and T-USH-01?
22.5382389756
num
0.01
SELECT ST_Distance_Spheroid(ST_Point(a.longitude,a.latitude),ST_Point(b.longitude,b.latitude))/1000 FROM stations a, stations b WHERE a.name='T-USH-11' AND b.name='T-USH-01'
SELECT ST_Distance_Spheroid(ST_Point(a.latitude,a.longitude),ST_Point(b.latitude,b.longitude))/1000 FROM stations a, stations b WHERE a.name='T-USH-11' AND b.name='T-USH-01'
axis_order-09
axis_order
What is the distance in kilometres between stations T-WLG-02 and T-WLG-07?
145.187988498
num
0.01
SELECT ST_Distance_Spheroid(ST_Point(a.longitude,a.latitude),ST_Point(b.longitude,b.latitude))/1000 FROM stations a, stations b WHERE a.name='T-WLG-02' AND b.name='T-WLG-07'
SELECT ST_Distance_Spheroid(ST_Point(a.latitude,a.longitude),ST_Point(b.latitude,b.longitude))/1000 FROM stations a, stations b WHERE a.name='T-WLG-02' AND b.name='T-WLG-07'
axis_order-10
axis_order
What is the distance in kilometres between stations T-REK-06 and T-REK-13?
77.0880887108
num
0.01
SELECT ST_Distance_Spheroid(ST_Point(a.longitude,a.latitude),ST_Point(b.longitude,b.latitude))/1000 FROM stations a, stations b WHERE a.name='T-REK-06' AND b.name='T-REK-13'
SELECT ST_Distance_Spheroid(ST_Point(a.latitude,a.longitude),ST_Point(b.latitude,b.longitude))/1000 FROM stations a, stations b WHERE a.name='T-REK-06' AND b.name='T-REK-13'
axis_order-11
axis_order
What is the distance in kilometres between stations T-HEL-08 and T-HEL-07?
86.9291564007
num
0.01
SELECT ST_Distance_Spheroid(ST_Point(a.longitude,a.latitude),ST_Point(b.longitude,b.latitude))/1000 FROM stations a, stations b WHERE a.name='T-HEL-08' AND b.name='T-HEL-07'
SELECT ST_Distance_Spheroid(ST_Point(a.latitude,a.longitude),ST_Point(b.latitude,b.longitude))/1000 FROM stations a, stations b WHERE a.name='T-HEL-08' AND b.name='T-HEL-07'
area_degrees-00
area_degrees
What is the area of parcel P-OSL-1 in hectares?
573.7595660512
num
0.02
SELECT ST_Area_Spheroid(geom)/10000 FROM parcels WHERE name='P-OSL-1'
SELECT ST_Area(geom)/10000 FROM parcels WHERE name='P-OSL-1'
area_degrees-01
area_degrees
What is the area of parcel P-IST-0 in hectares?
101.3169618313
num
0.02
SELECT ST_Area_Spheroid(geom)/10000 FROM parcels WHERE name='P-IST-0'
SELECT ST_Area(geom)/10000 FROM parcels WHERE name='P-IST-0'
area_degrees-02
area_degrees
What is the area of parcel P-USH-0 in hectares?
260.4731785324
num
0.02
SELECT ST_Area_Spheroid(geom)/10000 FROM parcels WHERE name='P-USH-0'
SELECT ST_Area(geom)/10000 FROM parcels WHERE name='P-USH-0'
area_degrees-03
area_degrees
What is the area of parcel P-WLG-3 in hectares?
463.0876944166
num
0.02
SELECT ST_Area_Spheroid(geom)/10000 FROM parcels WHERE name='P-WLG-3'
SELECT ST_Area(geom)/10000 FROM parcels WHERE name='P-WLG-3'
area_degrees-04
area_degrees
What is the area of parcel P-USH-1 in hectares?
380.5130390853
num
0.02
SELECT ST_Area_Spheroid(geom)/10000 FROM parcels WHERE name='P-USH-1'
SELECT ST_Area(geom)/10000 FROM parcels WHERE name='P-USH-1'
area_degrees-05
area_degrees
What is the area of parcel P-WLG-2 in hectares?
130.7185880789
num
0.02
SELECT ST_Area_Spheroid(geom)/10000 FROM parcels WHERE name='P-WLG-2'
SELECT ST_Area(geom)/10000 FROM parcels WHERE name='P-WLG-2'
area_degrees-06
area_degrees
What is the area of parcel P-ANC-0 in hectares?
529.1528231771
num
0.02
SELECT ST_Area_Spheroid(geom)/10000 FROM parcels WHERE name='P-ANC-0'
SELECT ST_Area(geom)/10000 FROM parcels WHERE name='P-ANC-0'
area_degrees-07
area_degrees
What is the area of parcel P-REK-2 in hectares?
316.1292936213
num
0.02
SELECT ST_Area_Spheroid(geom)/10000 FROM parcels WHERE name='P-REK-2'
SELECT ST_Area(geom)/10000 FROM parcels WHERE name='P-REK-2'
area_degrees-08
area_degrees
What is the area of parcel P-NBO-0 in hectares?
62.3084661414
num
0.02
SELECT ST_Area_Spheroid(geom)/10000 FROM parcels WHERE name='P-NBO-0'
SELECT ST_Area(geom)/10000 FROM parcels WHERE name='P-NBO-0'
area_degrees-09
area_degrees
What is the area of parcel P-UIO-0 in hectares?
352.2096601739
num
0.02
SELECT ST_Area_Spheroid(geom)/10000 FROM parcels WHERE name='P-UIO-0'
SELECT ST_Area(geom)/10000 FROM parcels WHERE name='P-UIO-0'
area_degrees-10
area_degrees
What is the area of parcel P-TRO-2 in hectares?
519.6175663179
num
0.02
SELECT ST_Area_Spheroid(geom)/10000 FROM parcels WHERE name='P-TRO-2'
SELECT ST_Area(geom)/10000 FROM parcels WHERE name='P-TRO-2'
area_degrees-11
area_degrees
What is the area of parcel P-WLG-0 in hectares?
576.6241242367
num
0.02
SELECT ST_Area_Spheroid(geom)/10000 FROM parcels WHERE name='P-WLG-0'
SELECT ST_Area(geom)/10000 FROM parcels WHERE name='P-WLG-0'
area_webmerc-00
area_webmerc
What is the true ground area of parcel P-ANC-0 in table parcels_webmerc, in hectares?
529.1528231771
num
0.02
SELECT ST_Area_Spheroid(ST_Transform(geom,'EPSG:3857','EPSG:4326',true))/10000 FROM parcels_webmerc WHERE name='P-ANC-0'
SELECT ST_Area(geom)/10000 FROM parcels_webmerc WHERE name='P-ANC-0'
area_webmerc-01
area_webmerc
What is the true ground area of parcel P-HEL-2 in table parcels_webmerc, in hectares?
142.6889353766
num
0.02
SELECT ST_Area_Spheroid(ST_Transform(geom,'EPSG:3857','EPSG:4326',true))/10000 FROM parcels_webmerc WHERE name='P-HEL-2'
SELECT ST_Area(geom)/10000 FROM parcels_webmerc WHERE name='P-HEL-2'
area_webmerc-02
area_webmerc
What is the true ground area of parcel P-ANC-1 in table parcels_webmerc, in hectares?
564.7256979438
num
0.02
SELECT ST_Area_Spheroid(ST_Transform(geom,'EPSG:3857','EPSG:4326',true))/10000 FROM parcels_webmerc WHERE name='P-ANC-1'
SELECT ST_Area(geom)/10000 FROM parcels_webmerc WHERE name='P-ANC-1'
area_webmerc-03
area_webmerc
What is the true ground area of parcel P-OSL-2 in table parcels_webmerc, in hectares?
510.2294967174
num
0.02
SELECT ST_Area_Spheroid(ST_Transform(geom,'EPSG:3857','EPSG:4326',true))/10000 FROM parcels_webmerc WHERE name='P-OSL-2'
SELECT ST_Area(geom)/10000 FROM parcels_webmerc WHERE name='P-OSL-2'
area_webmerc-04
area_webmerc
What is the true ground area of parcel P-TRO-0 in table parcels_webmerc, in hectares?
504.5054532843
num
0.02
SELECT ST_Area_Spheroid(ST_Transform(geom,'EPSG:3857','EPSG:4326',true))/10000 FROM parcels_webmerc WHERE name='P-TRO-0'
SELECT ST_Area(geom)/10000 FROM parcels_webmerc WHERE name='P-TRO-0'
area_webmerc-05
area_webmerc
What is the true ground area of parcel P-REK-0 in table parcels_webmerc, in hectares?
462.2925793453
num
0.02
SELECT ST_Area_Spheroid(ST_Transform(geom,'EPSG:3857','EPSG:4326',true))/10000 FROM parcels_webmerc WHERE name='P-REK-0'
SELECT ST_Area(geom)/10000 FROM parcels_webmerc WHERE name='P-REK-0'
area_webmerc-06
area_webmerc
What is the true ground area of parcel P-HEL-3 in table parcels_webmerc, in hectares?
508.4259964994
num
0.02
SELECT ST_Area_Spheroid(ST_Transform(geom,'EPSG:3857','EPSG:4326',true))/10000 FROM parcels_webmerc WHERE name='P-HEL-3'
SELECT ST_Area(geom)/10000 FROM parcels_webmerc WHERE name='P-HEL-3'
area_webmerc-07
area_webmerc
What is the true ground area of parcel P-TRO-3 in table parcels_webmerc, in hectares?
253.8143186967
num
0.02
SELECT ST_Area_Spheroid(ST_Transform(geom,'EPSG:3857','EPSG:4326',true))/10000 FROM parcels_webmerc WHERE name='P-TRO-3'
SELECT ST_Area(geom)/10000 FROM parcels_webmerc WHERE name='P-TRO-3'
area_webmerc-08
area_webmerc
What is the true ground area of parcel P-ANC-2 in table parcels_webmerc, in hectares?
607.2359439864
num
0.02
SELECT ST_Area_Spheroid(ST_Transform(geom,'EPSG:3857','EPSG:4326',true))/10000 FROM parcels_webmerc WHERE name='P-ANC-2'
SELECT ST_Area(geom)/10000 FROM parcels_webmerc WHERE name='P-ANC-2'
area_webmerc-09
area_webmerc
What is the true ground area of parcel P-HEL-0 in table parcels_webmerc, in hectares?
136.9376706502
num
0.02
SELECT ST_Area_Spheroid(ST_Transform(geom,'EPSG:3857','EPSG:4326',true))/10000 FROM parcels_webmerc WHERE name='P-HEL-0'
SELECT ST_Area(geom)/10000 FROM parcels_webmerc WHERE name='P-HEL-0'
area_webmerc-10
area_webmerc
What is the true ground area of parcel P-ANC-3 in table parcels_webmerc, in hectares?
605.1346110371
num
0.02
SELECT ST_Area_Spheroid(ST_Transform(geom,'EPSG:3857','EPSG:4326',true))/10000 FROM parcels_webmerc WHERE name='P-ANC-3'
SELECT ST_Area(geom)/10000 FROM parcels_webmerc WHERE name='P-ANC-3'
area_webmerc-11
area_webmerc
What is the true ground area of parcel P-REK-2 in table parcels_webmerc, in hectares?
316.1292936213
num
0.02
SELECT ST_Area_Spheroid(ST_Transform(geom,'EPSG:3857','EPSG:4326',true))/10000 FROM parcels_webmerc WHERE name='P-REK-2'
SELECT ST_Area(geom)/10000 FROM parcels_webmerc WHERE name='P-REK-2'
length_degrees-00
length_degrees
What is the length of pipeline L-WLG-0 in kilometres?
57.3133596102
num
0.01
SELECT ST_Length_Spheroid(geom)/1000 FROM pipelines WHERE name='L-WLG-0'
SELECT ST_Length(geom)/1000 FROM pipelines WHERE name='L-WLG-0'
length_degrees-01
length_degrees
What is the length of pipeline L-REK-2 in kilometres?
25.7743328805
num
0.01
SELECT ST_Length_Spheroid(geom)/1000 FROM pipelines WHERE name='L-REK-2'
SELECT ST_Length(geom)/1000 FROM pipelines WHERE name='L-REK-2'
length_degrees-02
length_degrees
What is the length of pipeline L-REK-1 in kilometres?
33.8611276833
num
0.01
SELECT ST_Length_Spheroid(geom)/1000 FROM pipelines WHERE name='L-REK-1'
SELECT ST_Length(geom)/1000 FROM pipelines WHERE name='L-REK-1'
length_degrees-03
length_degrees
What is the length of pipeline L-USH-0 in kilometres?
38.9961516562
num
0.01
SELECT ST_Length_Spheroid(geom)/1000 FROM pipelines WHERE name='L-USH-0'
SELECT ST_Length(geom)/1000 FROM pipelines WHERE name='L-USH-0'
length_degrees-04
length_degrees
What is the length of pipeline L-OSL-1 in kilometres?
28.4026287044
num
0.01
SELECT ST_Length_Spheroid(geom)/1000 FROM pipelines WHERE name='L-OSL-1'
SELECT ST_Length(geom)/1000 FROM pipelines WHERE name='L-OSL-1'
length_degrees-05
length_degrees
What is the length of pipeline L-HEL-1 in kilometres?
19.518938545
num
0.01
SELECT ST_Length_Spheroid(geom)/1000 FROM pipelines WHERE name='L-HEL-1'
SELECT ST_Length(geom)/1000 FROM pipelines WHERE name='L-HEL-1'
length_degrees-06
length_degrees
What is the length of pipeline L-NBO-3 in kilometres?
40.3940729658
num
0.01
SELECT ST_Length_Spheroid(geom)/1000 FROM pipelines WHERE name='L-NBO-3'
SELECT ST_Length(geom)/1000 FROM pipelines WHERE name='L-NBO-3'
length_degrees-07
length_degrees
What is the length of pipeline L-HEL-0 in kilometres?
17.8626165256
num
0.01
SELECT ST_Length_Spheroid(geom)/1000 FROM pipelines WHERE name='L-HEL-0'
SELECT ST_Length(geom)/1000 FROM pipelines WHERE name='L-HEL-0'
length_degrees-08
length_degrees
What is the length of pipeline L-IST-2 in kilometres?
40.8144578793
num
0.01
SELECT ST_Length_Spheroid(geom)/1000 FROM pipelines WHERE name='L-IST-2'
SELECT ST_Length(geom)/1000 FROM pipelines WHERE name='L-IST-2'
length_degrees-09
length_degrees
What is the length of pipeline L-UIO-3 in kilometres?
66.3882567634
num
0.01
SELECT ST_Length_Spheroid(geom)/1000 FROM pipelines WHERE name='L-UIO-3'
SELECT ST_Length(geom)/1000 FROM pipelines WHERE name='L-UIO-3'
length_degrees-10
length_degrees
What is the length of pipeline L-REK-0 in kilometres?
16.1795378297
num
0.01
SELECT ST_Length_Spheroid(geom)/1000 FROM pipelines WHERE name='L-REK-0'
SELECT ST_Length(geom)/1000 FROM pipelines WHERE name='L-REK-0'
length_degrees-11
length_degrees
What is the length of pipeline L-ANC-3 in kilometres?
37.2565243697
num
0.01
SELECT ST_Length_Spheroid(geom)/1000 FROM pipelines WHERE name='L-ANC-3'
SELECT ST_Length(geom)/1000 FROM pipelines WHERE name='L-ANC-3'
crs_join-00
crs_join
How many assets are within 60 km of site S-OSL-04?
26
int
null
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-04' AND ST_Distance_Spheroid(s.geom,ST_Transform(a.geom,'EPSG:32632','EPSG:4326',true))<=60000
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-04' AND ST_Distance(s.geom,a.geom)<=60000
crs_join-01
crs_join
How many assets are within 60 km of site S-OSL-00?
26
int
null
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-00' AND ST_Distance_Spheroid(s.geom,ST_Transform(a.geom,'EPSG:32632','EPSG:4326',true))<=60000
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-00' AND ST_Distance(s.geom,a.geom)<=60000
crs_join-02
crs_join
How many assets are within 45 km of site S-OSL-02?
13
int
null
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-02' AND ST_Distance_Spheroid(s.geom,ST_Transform(a.geom,'EPSG:32632','EPSG:4326',true))<=45000
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-02' AND ST_Distance(s.geom,a.geom)<=45000
crs_join-03
crs_join
How many assets are within 35 km of site S-OSL-12?
9
int
null
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-12' AND ST_Distance_Spheroid(s.geom,ST_Transform(a.geom,'EPSG:32632','EPSG:4326',true))<=35000
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-12' AND ST_Distance(s.geom,a.geom)<=35000
crs_join-04
crs_join
How many assets are within 25 km of site S-OSL-08?
7
int
null
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-08' AND ST_Distance_Spheroid(s.geom,ST_Transform(a.geom,'EPSG:32632','EPSG:4326',true))<=25000
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-08' AND ST_Distance(s.geom,a.geom)<=25000
crs_join-05
crs_join
How many assets are within 45 km of site S-OSL-03?
2
int
null
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-03' AND ST_Distance_Spheroid(s.geom,ST_Transform(a.geom,'EPSG:32632','EPSG:4326',true))<=45000
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-03' AND ST_Distance(s.geom,a.geom)<=45000
crs_join-06
crs_join
How many assets are within 25 km of site S-OSL-13?
5
int
null
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-13' AND ST_Distance_Spheroid(s.geom,ST_Transform(a.geom,'EPSG:32632','EPSG:4326',true))<=25000
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-13' AND ST_Distance(s.geom,a.geom)<=25000
crs_join-07
crs_join
How many assets are within 25 km of site S-OSL-06?
7
int
null
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-06' AND ST_Distance_Spheroid(s.geom,ST_Transform(a.geom,'EPSG:32632','EPSG:4326',true))<=25000
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-06' AND ST_Distance(s.geom,a.geom)<=25000
crs_join-08
crs_join
How many assets are within 45 km of site S-OSL-10?
13
int
null
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-10' AND ST_Distance_Spheroid(s.geom,ST_Transform(a.geom,'EPSG:32632','EPSG:4326',true))<=45000
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-10' AND ST_Distance(s.geom,a.geom)<=45000
crs_join-09
crs_join
How many assets are within 25 km of site S-OSL-07?
9
int
null
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-07' AND ST_Distance_Spheroid(s.geom,ST_Transform(a.geom,'EPSG:32632','EPSG:4326',true))<=25000
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-07' AND ST_Distance(s.geom,a.geom)<=25000
crs_join-10
crs_join
How many assets are within 35 km of site S-OSL-11?
3
int
null
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-11' AND ST_Distance_Spheroid(s.geom,ST_Transform(a.geom,'EPSG:32632','EPSG:4326',true))<=35000
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-11' AND ST_Distance(s.geom,a.geom)<=35000
crs_join-11
crs_join
How many assets are within 60 km of site S-OSL-05?
17
int
null
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-05' AND ST_Distance_Spheroid(s.geom,ST_Transform(a.geom,'EPSG:32632','EPSG:4326',true))<=60000
SELECT count(*) FROM sites s, assets_utm32n a WHERE s.name='S-OSL-05' AND ST_Distance(s.geom,a.geom)<=60000
antimeridian-00
antimeridian
What is the shortest distance in kilometres between Adak and Attu in table islands?
700.9927500112
num
0.01
SELECT ST_Distance_Spheroid(ST_Point(a.longitude,a.latitude),ST_Point(b.longitude,b.latitude))/1000 FROM islands a, islands b WHERE a.name='Adak' AND b.name='Attu'
SELECT ST_Distance(ST_Transform(ST_Point(a.longitude,a.latitude),'EPSG:4326','EPSG:3857',true),ST_Transform(ST_Point(b.longitude,b.latitude),'EPSG:4326','EPSG:3857',true))/1000 FROM islands a, islands b WHERE a.name='Adak' AND b.name='Attu'
antimeridian-01
antimeridian
What is the shortest distance in kilometres between Apia and Whangarei in table islands?
2797.4721120552
num
0.01
SELECT ST_Distance_Spheroid(ST_Point(a.longitude,a.latitude),ST_Point(b.longitude,b.latitude))/1000 FROM islands a, islands b WHERE a.name='Apia' AND b.name='Whangarei'
SELECT ST_Distance(ST_Transform(ST_Point(a.longitude,a.latitude),'EPSG:4326','EPSG:3857',true),ST_Transform(ST_Point(b.longitude,b.latitude),'EPSG:4326','EPSG:3857',true))/1000 FROM islands a, islands b WHERE a.name='Apia' AND b.name='Whangarei'
antimeridian-02
antimeridian
What is the shortest distance in kilometres between Nukualofa and Whangarei in table islands?
1912.417118691
num
0.01
SELECT ST_Distance_Spheroid(ST_Point(a.longitude,a.latitude),ST_Point(b.longitude,b.latitude))/1000 FROM islands a, islands b WHERE a.name='Nukualofa' AND b.name='Whangarei'
SELECT ST_Distance(ST_Transform(ST_Point(a.longitude,a.latitude),'EPSG:4326','EPSG:3857',true),ST_Transform(ST_Point(b.longitude,b.latitude),'EPSG:4326','EPSG:3857',true))/1000 FROM islands a, islands b WHERE a.name='Nukualofa' AND b.name='Whangarei'
antimeridian-03
antimeridian
What is the shortest distance in kilometres between Chatham and Whangarei in table islands?
1199.4042403641
num
0.01
SELECT ST_Distance_Spheroid(ST_Point(a.longitude,a.latitude),ST_Point(b.longitude,b.latitude))/1000 FROM islands a, islands b WHERE a.name='Chatham' AND b.name='Whangarei'
SELECT ST_Distance(ST_Transform(ST_Point(a.longitude,a.latitude),'EPSG:4326','EPSG:3857',true),ST_Transform(ST_Point(b.longitude,b.latitude),'EPSG:4326','EPSG:3857',true))/1000 FROM islands a, islands b WHERE a.name='Chatham' AND b.name='Whangarei'
End of preview. Expand in Data Studio

GeoSQL-Traps

When an LLM writes spatial SQL, the dangerous answer is not the one that crashes. It is the one that runs and returns a plausible wrong number.

GeoSQL-Traps is a small benchmark of 120 spatial questions over a DuckDB database. 108 questions hide a classic GIS trap: distances in degrees, Web Mercator area and length, swapped axis order, a join across two coordinate systems, and the antimeridian. 12 control questions have no trap. Every reference answer is computed independently with pyproj.Geod on the WGS84 ellipsoid, never by SQL.

Each model answer is executed and sorted into one of four outcomes:

Outcome Meaning
correct The query runs and the value is within tolerance
wrong_silent The query runs and returns a wrong value, with no error. This is the outcome the benchmark exists to measure
sql_error The query still fails after one repair turn
no_sql The reply contains no SELECT statement

Main result: the function list was doing the work

The first two prompt conditions listed the available functions, including the spheroidal ones (ST_Distance_Spheroid, ST_Area_Spheroid, ...). warned adds one sentence asking for true values on the Earth's surface. With the function list, three of the four models were perfect and no model produced a single silent error in 960 answers.

The nohint condition removes only that one paragraph. Everything else (schema comments with each table's CRS, the repair turn, temperature 0) stays the same.

Model plain correct warned correct nohint correct nohint silent wrong nohint SQL error nohint no SQL
deepseek-v4.1-flash 120 120 112 3 5 0
glm-5.3 120 120 83 2 8 27
gemma-4-31b 120 120 35 33 52 0
qwen3.8-flash-next 105 90 18 4 3 95

Silent-error rate in nohint over the 108 trap questions, with 95% Wilson intervals:

Model Silent wrong 95% CI
gemma-4-31b 33 / 108 (30.6%) 22.7% – 39.8%
qwen3.8-flash-next 4 / 108 (3.7%) 1.5% – 9.1%
deepseek-v4.1-flash 3 / 108 (2.8%) 1.0% – 7.9%
glm-5.3 2 / 108 (1.9%) 0.5% – 6.5%

Without the hint, gemma-4-31b returned a wrong number with no warning on almost a third of the trap questions. In 18 of those 33 cases its value matched the textbook naive mistake.

What the silent errors look like

Two nohint answers from gemma-4-31b, both of which run without complaint:

-- "What is the length of pipeline L-WLG-0 in kilometres?"  (Wellington, about 41° S)
SELECT ST_Length(ST_Transform(geom, 'EPSG:4326', 'EPSG:3857')) / 1000.0
FROM pipelines WHERE name = 'L-WLG-0'
-- returns 76.2 km; true ground length 57.3 km. Web Mercator metres are not ground metres.

-- "How many other sites are within 40 km of site S-REK-06?"  (Reykjavík, 64° N)
SELECT count(*) FROM sites_webmerc
WHERE name != 'S-REK-06'
  AND ST_Distance(geom, (SELECT geom FROM sites_webmerc WHERE name = 'S-REK-06')) <= 40000
-- returns 1; the correct answer is 5. At 64° N a Mercator "metre" is about 0.44 ground metres.

Correct answers per trap family (nohint, 12 questions each)

Family deepseek glm gemma qwen
radius_degrees 11 12 1 0
nearest_degrees 12 10 1 1
distance_webmerc 12 7 6 0
axis_order 12 7 4 1
area_degrees 11 7 3 2
area_webmerc 11 3 3 0
length_degrees 10 11 0 0
crs_join 9 6 1 0
antimeridian 12 8 4 2
control (no trap) 12 12 12 12

All four models answered every control question correctly, so the drop is caused by the traps, not by the SQL dialect.

Read these limits before quoting a number

  • One run per question, temperature 0. No repeats; the intervals above reflect question sampling only, not run-to-run variance.
  • no_sql means the token budget ran out. In nohint, 97 of qwen3.8-flash-next's answers and all 27 of glm-5.3's no_sql answers ended with finish_reason = length: the model spent the 4,096-token output budget reasoning and returned no SQL. For qwen this explains most of its low score; it measures that budget, not its SQL skill. A larger budget would likely change both rows. Note that a model which gives up is safer than one that answers wrongly in silence.
  • Hosted models. All models were called through a hosted OpenAI-compatible endpoint. Serving details such as quantization are unknown and may change over time.
  • A fifth model was dropped. The provider retired it during the study and silently routed requests made with its name to another model in this table. Those answers were removed from the results. If you benchmark hosted models, check which model actually answered.
  • Synthetic, fictional data. Site names and geometries are generated; only the regional coordinates (Tromsø, Reykjavík, Oslo, Helsinki, Anchorage, Istanbul, Nairobi, Quito, Ushuaia, Wellington, and Pacific islands near the antimeridian) are real.
  • One engine. DuckDB 2.0 with the spatial extension and geometry_always_xy on. Other engines (PostGIS with geography, BigQuery) offer different safe paths, and the same model may do better or worse there.
  • English questions only.

Files

Path Contents
data/questions.jsonl 120 questions: id, family, question, answer, kind (int/num/text), tolerance, gold_sql, naive_sql (the classic mistake; must run and be wrong)
data/schema.txt Table list with CRS comments, as shown to the models
data/geosql.duckdb The database (2.4 MB)
results/scored.jsonl Every scored answer: condition, model, question, outcome, returned value, extracted SQL
results/summary.json Per condition and model: outcome counts, Wilson intervals, family breakdown
prompts.md The exact system prompts for plain, warned and nohint, and the repair-turn message
code/build.py Rebuilds the database and questions from a fixed seed (pyproj reference answers)
code/score.py Runs SQL on a read-only, locked DuckDB connection and classifies the outcome; python code/score.py validate checks that every gold query passes and every naive query fails silently
code/report.py Rescores raw replies and writes the summary

Reproduce the scoring 

pip install duckdb pyproj
python code/build.py            # optional: rebuild data/ from the seed
python code/score.py validate   # gold passes, naive fails silently

To score your own model, write one JSON line per question to results/raw/<condition>/<model>.jsonl with fields id and reply (the model's raw text), then run python code/report.py.

Licence

Data and results: CC0 1.0. Code: MIT.
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