annotate create_test_db.data.sql @ 48:fa3d19a7218b
Added tag v0.10 for changeset 20482d4309b5
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jbe |
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Mon Oct 31 13:10:38 2016 +0100 (2016-10-31) |
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3cbce515387f |
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1
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2 CREATE OR REPLACE FUNCTION tmp_three_points()
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3 RETURNS epoint[]
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4 LANGUAGE plpgsql VOLATILE AS $$
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5 DECLARE
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6 p1 epoint;
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7 p2 epoint;
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8 p3 epoint;
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9 BEGIN
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10 p1 := epoint((asin(2*random()-1) / pi()) * 180, (2*random()-1) * 180);
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11 p2 := epoint(latitude(p1) + (2*random()-1), longitude(p1) + cos(latitude(p1)/180*pi()) * (2*random()-1));
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12 p3 := epoint(latitude(p1) + (2*random()-1), longitude(p1) + cos(latitude(p1)/180*pi()) * (2*random()-1));
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13 RETURN ARRAY[p1, p2, p3];
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14 END;
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15 $$;
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16
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17 INSERT INTO "test" ("location", "surrounding", "multipoint", "triangle", "votes") SELECT
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18 epoint((asin(2*random()-1) / pi()) * 180, (2*random()-1) * 180),
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19 ecircle((asin(2*random()-1) / pi()) * 180, (2*random()-1) * 180, -ln(1-random()) * 1000),
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20 ecluster_create_multipoint(tmp_three_points()),
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21 ecluster_create_polygon(tmp_three_points()),
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22 floor(random()*101)
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23 FROM generate_series(1, 10000);
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24
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25 DROP FUNCTION tmp_three_points();
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26
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