Mercurial > gemma
view schema/search_functions.sql @ 3726:be939dcdfdfd
client: waterlevel diagrams: make now line label not update its position when zooming
Of course the line and label could both be updated and move with the time but since all other data is static after generating
the diagram once, a moving now line would be to fancy... but I was tempted.
author | Markus Kottlaender <markus@intevation.de> |
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date | Thu, 20 Jun 2019 19:16:26 +0200 |
parents | 194feb1a7e37 |
children | b1fe61b58048 |
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-- This is Free Software under GNU Affero General Public License v >= 3.0 -- without warranty, see README.md and license for details. -- SPDX-License-Identifier: AGPL-3.0-or-later -- License-Filename: LICENSES/AGPL-3.0.txt -- Copyright (C) 2018 by via donau -- – Österreichische Wasserstraßen-Gesellschaft mbH -- Software engineering by Intevation GmbH -- Author(s): -- * Sascha Wilde <wilde@intevation.de> CREATE OR REPLACE FUNCTION search_bottlenecks(search_string text) RETURNS jsonb LANGUAGE plpgsql AS $$ DECLARE _result jsonb; BEGIN SELECT COALESCE(json_agg(r),'[]') INTO _result FROM (SELECT objnam AS name, ST_AsGeoJSON(ST_Centroid(area))::json AS geom, 'bottleneck' AS type FROM waterway.bottlenecks WHERE objnam ILIKE '%' || search_string || '%' ORDER BY name) r; RETURN _result; END; $$; CREATE OR REPLACE FUNCTION search_cities(search_string text) RETURNS jsonb LANGUAGE plpgsql AS $$ DECLARE _result jsonb; BEGIN SELECT COALESCE(json_agg(r),'[]') INTO _result FROM (SELECT name || ' (' || country_code || ')' AS name, ST_AsGeoJSON(location)::json AS geom, 'city' AS type FROM waterway.geonames WHERE feature_code IN ('PPLA', 'PPLA1', 'PPLA2', 'PPLA3', 'PPLC') AND (name ILIKE '%' || search_string || '%' OR alternatenames ~* ('(^|,)' || search_string || '($|,)')) ORDER BY array_position(ARRAY['PPLC', 'PPLA', 'PPLA1', 'PPLA2', 'PPLA3'], feature_code::text), name) r; RETURN _result; END; $$; CREATE OR REPLACE FUNCTION search_gauges(search_string text) RETURNS jsonb LANGUAGE plpgsql AS $$ DECLARE _result jsonb; BEGIN SELECT COALESCE(json_agg(r),'[]') INTO _result FROM (SELECT objname AS name, ST_AsGeoJSON(geom)::json AS geom, 'gauge' AS type FROM waterway.gauges WHERE objname ILIKE '%' || search_string || '%' ORDER BY name) r; RETURN _result; END; $$; CREATE OR REPLACE FUNCTION search_sections(search_string text) RETURNS jsonb LANGUAGE plpgsql AS $$ DECLARE _result jsonb; BEGIN SELECT COALESCE(json_agg(r),'[]') INTO _result FROM (SELECT objnam AS name, ST_AsGeoJSON(ST_Centroid(area))::json AS geom, 'section' AS type FROM waterway.sections WHERE objnam ILIKE '%' || search_string || '%' OR nobjnam ILIKE '%' || search_string || '%' ORDER BY name) r; RETURN _result; END; $$; CREATE OR REPLACE FUNCTION search_most(search_string text) RETURNS jsonb LANGUAGE plpgsql AS $$ BEGIN RETURN search_bottlenecks(search_string) || search_gauges(search_string) || search_sections(search_string) || search_cities(search_string); END; $$;