Mercurial > gemma
annotate schema/updates/1202/01.fix_data_availability.sql @ 5624:29d729607ac1
Added tag v5.7 for changeset ff0af91a7f62
author | Sascha Wilde <wilde@sha-bang.de> |
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date | Thu, 22 Dec 2022 18:42:14 +0100 |
parents | 9b9f60e26b39 |
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1 CREATE OR REPLACE VIEW waterway.gauges_base_view AS |
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2 SELECT |
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3 g.location, |
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4 isrs_asText(g.location) AS isrs_code, |
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5 g.objname, |
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6 g.geom, |
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7 g.applicability_from_km, |
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8 g.applicability_to_km, |
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9 g.validity, |
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10 g.zero_point, |
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11 g.geodref, |
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12 g.date_info, |
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13 g.source_organization, |
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14 g.erased, |
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15 r.rwls AS reference_water_levels, |
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16 wl.measure_date AS gm_measuredate, |
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17 wl.water_level AS gm_waterlevel, |
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18 wl.n AS gm_n_14d, |
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19 fca.forecast_accuracy_3d, |
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20 fca.forecast_accuracy_1d |
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21 FROM waterway.gauges g |
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22 LEFT JOIN (SELECT location, validity, |
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23 json_strip_nulls(json_object_agg( |
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24 coalesce(depth_reference, 'empty'), value)) AS rwls |
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25 FROM waterway.gauges_reference_water_levels |
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26 GROUP BY location, validity) AS r |
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27 USING (location, validity) |
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28 LEFT JOIN (SELECT DISTINCT ON (location) |
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29 location, |
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30 date_issue, |
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31 measure_date, |
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32 water_level, |
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33 count(*) OVER (PARTITION BY location) AS n |
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34 FROM waterway.gauge_measurements |
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35 -- consider all measurements within 14 days plus a tolerance |
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36 WHERE measure_date |
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37 >= current_timestamp - '14 days 00:15'::interval |
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38 ORDER BY location, measure_date DESC) AS wl |
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39 USING (location) |
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40 LEFT JOIN (SELECT DISTINCT ON (location) |
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41 location, |
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42 date_issue, |
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43 max(acc) FILTER (WHERE measure_date |
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44 <= current_timestamp + '1 day'::interval) |
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45 OVER loc_date_issue AS forecast_accuracy_1d, |
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46 max(acc) OVER loc_date_issue AS forecast_accuracy_3d |
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47 FROM (SELECT location, date_issue, measure_date, |
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48 GREATEST(water_level - lower(conf_interval), |
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49 upper(conf_interval) - water_level) AS acc |
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50 FROM waterway.gauge_predictions |
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51 -- consider predictions made within last 14 days ... |
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52 WHERE date_issue |
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53 >= current_timestamp - '14 days 00:15'::interval |
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54 -- ... for the next three days from now |
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55 AND measure_date BETWEEN current_timestamp |
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56 AND current_timestamp + '3 days'::interval) AS acc |
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57 WINDOW loc_date_issue AS (PARTITION BY location, date_issue) |
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58 ORDER BY location, date_issue DESC) AS fca |
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59 -- Show only forecasts issued with latest measurements or later |
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60 ON fca.location = g.location AND fca.date_issue >= wl.date_issue; |
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61 |
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62 DROP INDEX waterway.gauge_measurements_location_measure_date_desc |