17 lines
653 B
MySQL
17 lines
653 B
MySQL
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CREATE OR REPLACE FUNCTION layer_obs_events(bbox geometry, zoom_level int)
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RETURNS TABLE(event_id bigint, geometry geometry, distance_overtaker float, distance_stationary float, direction int, course float, speed float, way_id bigint) AS $$
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SELECT
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id::bigint as event_id,
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ST_Transform(overtaking_event.geometry, 3857) as geometry,
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distance_overtaker,
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distance_stationary,
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(case when direction_reversed then -1 else 1 end)::int as direction,
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course,
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speed,
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way_id::bigint as way_id
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FROM overtaking_event
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WHERE ST_Transform(overtaking_event.geometry, 3857) && bbox;
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$$ LANGUAGE SQL IMMUTABLE;
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