14 lines
409 B
HTML
14 lines
409 B
HTML
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<pre>
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WITH cte AS
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( SELECT
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ST_SnapToGrid(i.the_geom_webmercator, CDB_XYZ_Resolution(3)*2) g,
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count(i.cartodb_id) c ,
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floor((date_part('epoch',toc)- 1369291843)/132) d
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FROM ship_flight_recorder i
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WHERE i.the_geom_webmercator && CDB_XYZ_Extent(1, 3, 3)
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GROUP BY g, d)
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SELECT st_x(g) x, st_y(g) y, array_agg(c) vals, array_agg(d) dates
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FROM cte GROUP BY x,y
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</pre>
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