15 lines
338 B
MySQL
15 lines
338 B
MySQL
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DROP TABLE IF EXISTS visvalingam_:tolerance;
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CREATE TABLE visvalingam_:tolerance (
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fid serial NOT NULL,
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geom geometry(MULTILINESTRING, 3346)
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);
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INSERT INTO visvalingam_:tolerance (geom) (
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SELECT
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ST_SimplifyVW (ST_LineMerge (ST_Union (geom)),
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:tolerance * :tolerance) AS geoms
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FROM
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zeimena);
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