Mercurial > gemma
diff schema/geoserver_views.sql @ 3008:f394e828a6d2
Separate view definitions for GeoServer from general schema definition
That way OR REPLACE can be used which makes development on the
views a lot easier, since the views can be altered without having
to set up a completely new database each time.
author | Tom Gottfried <tom@intevation.de> |
---|---|
date | Thu, 11 Apr 2019 12:01:27 +0200 |
parents | |
children | ddc4d54b8331 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/schema/geoserver_views.sql Thu Apr 11 12:01:27 2019 +0200 @@ -0,0 +1,141 @@ +CREATE OR REPLACE VIEW waterway.gauges_geoserver AS + SELECT + g.location, + isrs_asText(g.location) AS isrs_code, + g.objname, + g.geom, + g.applicability_from_km, + g.applicability_to_km, + g.validity, + g.zero_point, + g.geodref, + g.date_info, + g.source_organization, + json_strip_nulls(json_object_agg(coalesce(r.depth_reference,'empty'), + r.value)) + AS reference_water_levels + FROM waterway.gauges g LEFT JOIN LATERAL ( + SELECT gauge_id, depth_reference, value + FROM waterway.gauges_reference_water_levels + ) r ON r.gauge_id = g.location + GROUP BY g.location; + +CREATE OR REPLACE VIEW waterway.distance_marks_geoserver AS + SELECT location_code, + isrs_asText(location_code) AS location, + geom::Geometry(POINT, 4326), + related_enc, + (location_code).hectometre + FROM waterway.distance_marks_virtual; + +CREATE OR REPLACE VIEW waterway.distance_marks_ashore_geoserver AS + SELECT id, + country, + geom::Geometry(POINT, 4326), + related_enc, + hectom, + catdis, + position_code + FROM waterway.distance_marks; + +CREATE OR REPLACE VIEW waterway.bottlenecks_geoserver AS + WITH + fairway_availability_latest AS ( + SELECT DISTINCT ON (bottleneck_id) bottleneck_id, date_info, critical + FROM waterway.fairway_availability + ORDER BY bottleneck_id, date_info DESC), + waterlevel_latest AS ( + SELECT DISTINCT ON (fk_gauge_id) fk_gauge_id, water_level + FROM waterway.gauge_measurements + WHERE is_waterlevel AND NOT predicted + ORDER BY fk_gauge_id, measure_date DESC) + SELECT + b.id, + b.bottleneck_id, + b.objnam, + b.nobjnm, + b.stretch, + b.area, + b.rb, + b.lb, + b.responsible_country, + b.revisiting_time, + b.limiting, + b.date_info, + b.source_organization, + g.location AS gauge_isrs_code, + g.objname AS gauge_objname, + json_strip_nulls(json_object_agg(coalesce(r.depth_reference,'empty'), + r.value)) + AS reference_water_levels, + fal.date_info AS fa_date_info, + fal.critical AS fa_critical, + wl.water_level AS gm_waterlevel + FROM waterway.bottlenecks b + LEFT JOIN waterway.gauges g + ON b.fk_g_fid = g.location + LEFT JOIN waterway.gauges_reference_water_levels r + ON g.location = r.gauge_id + LEFT JOIN fairway_availability_latest fal + ON b.id = fal.bottleneck_id + LEFT JOIN waterlevel_latest wl + ON b.fk_g_fid = wl.fk_gauge_id + GROUP BY b.id, g.location, fal.date_info, fal.critical, wl.water_level; + +CREATE OR REPLACE VIEW waterway.stretches_geoserver AS + SELECT + id, + name, + (stretch).lower::varchar as lower, + (stretch).upper::varchar as upper, + area::Geometry(MULTIPOLYGON, 4326), + objnam, + nobjnam, + date_info, + source_organization, + (SELECT string_agg(country_code, ', ') + FROM waterway.stretch_countries + WHERE stretches_id = id) AS countries, + staging_done + FROM waterway.stretches; + +CREATE OR REPLACE VIEW waterway.sounding_results_contour_lines_geoserver AS + SELECT bottleneck_id, + date_info, + height, + CAST(lines AS geometry(multilinestring, 4326)) AS lines + FROM waterway.sounding_results_contour_lines cl + JOIN waterway.sounding_results sr ON sr.id = cl.sounding_result_id; + +CREATE OR REPLACE VIEW waterway.bottleneck_overview AS + SELECT + objnam AS name, + ST_Centroid(area)::Geometry(POINT, 4326) AS point, + (lower(stretch)).hectometre AS from, + (upper(stretch)).hectometre AS to, + sr.current::text, + responsible_country + FROM waterway.bottlenecks bn LEFT JOIN ( + SELECT bottleneck_id, max(date_info) AS current + FROM waterway.sounding_results + GROUP BY bottleneck_id) sr ON sr.bottleneck_id = bn.id + ORDER BY objnam; + +CREATE OR REPLACE VIEW waterway.sounding_differences AS + SELECT + sd.id AS id, + bn.objnam AS objnam, + srm.date_info AS minuend, + srs.date_info AS subtrahend, + sdcl.height AS height, + CAST(sdcl.lines AS geometry(multilinestring, 4326)) AS lines + FROM + caching.sounding_differences sd + JOIN caching.sounding_differences_contour_lines sdcl + ON sd.id = sdcl.sounding_differences_id + JOIN waterway.sounding_results srm + ON sd.minuend = srm.id + JOIN waterway.sounding_results srs + ON sd.subtrahend = srs.id + JOIN waterway.bottlenecks bn + ON srm.bottleneck_id = bn.id;