Mercurial > gemma
view schema/search_functions.sql @ 5654:358130887c72
Added tag v5.7.1 for changeset 9b3779f649c2
author | Sascha Wilde <wilde@sha-bang.de> |
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date | Tue, 08 Aug 2023 15:07:00 +0200 |
parents | a6e5bb85f0a7 |
children |
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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) 2018,2019,2020 by via donau -- – Österreichische Wasserstraßen-Gesellschaft mbH -- Software engineering by Intevation GmbH -- Author(s): -- * Sascha Wilde <wilde@intevation.de> CREATE OR REPLACE FUNCTION search_hectometre(search_string text) RETURNS jsonb LANGUAGE plpgsql STABLE PARALLEL SAFE AS $$ DECLARE _result jsonb; BEGIN IF search_string SIMILAR TO '[0-9]+' THEN SELECT COALESCE(json_agg(r),'[]') INTO _result FROM (SELECT (location_code).hectometre || ' rhm' AS name, isrs_asText(location_code) AS locationcode, wwname AS location, ST_AsGeoJSON(geom)::json AS geom, 'rhm' AS type FROM waterway.distance_marks_virtual WHERE (location_code).hectometre = search_string::int) r; ELSIF is_ISRSstring(search_string) THEN SELECT COALESCE(json_agg(r),'[]') INTO _result FROM (SELECT (location_code).hectometre || ' rhm' AS name, isrs_asText(location_code) AS locationcode, wwname AS location, ST_AsGeoJSON(geom)::json AS geom, 'rhm' AS type FROM waterway.distance_marks_virtual WHERE location_code = isrs_fromText(search_string)) r; ELSE _result='[]'; END IF; RETURN _result; END; $$; CREATE OR REPLACE FUNCTION search_bottlenecks( search_string text, search_time timestamp with time zone) RETURNS jsonb LANGUAGE plpgsql STABLE PARALLEL SAFE AS $$ DECLARE _result jsonb; BEGIN SELECT COALESCE(json_agg(r),'[]') INTO _result FROM (SELECT objnam AS name, ST_AsGeoJSON(ST_Envelope(area::geometry))::json AS geom, 'bottleneck' AS type, bottleneck_id AS location FROM waterway.bottlenecks WHERE (objnam ILIKE '%' || search_string || '%' OR bottleneck_id ILIKE '%' || search_string || '%') AND validity @> search_time ORDER BY name) r; RETURN _result; END; $$; CREATE OR REPLACE FUNCTION search_cities(search_string text) RETURNS jsonb LANGUAGE plpgsql STABLE PARALLEL SAFE AS $$ DECLARE _result jsonb; BEGIN SELECT COALESCE(json_agg(r),'[]') INTO _result FROM (SELECT name, country_code AS location, ST_AsGeoJSON(location)::json AS geom, 'city' AS type FROM waterway.geonames WHERE feature_code IN ('PPLA', 'PPLA1', 'PPLA2', 'PPLA3', 'PPLC') AND (name ILIKE '%' || search_string || '%' OR alternatenames ~* ('(^|,)' || search_string || '($|,)')) ORDER BY array_position(ARRAY['PPLC', 'PPLA', 'PPLA1', 'PPLA2', 'PPLA3'], feature_code::text), name) r; RETURN _result; END; $$; CREATE OR REPLACE FUNCTION search_gauges(search_string text) RETURNS jsonb LANGUAGE plpgsql STABLE PARALLEL SAFE AS $$ DECLARE _result jsonb; BEGIN IF is_ISRSstring(search_string) THEN SELECT COALESCE(json_agg(r),'[]') INTO _result FROM ( SELECT objname AS name, ST_AsGeoJSON(geom)::json AS geom, 'gauge' AS type, isrs_asText(location) AS locationcode FROM waterway.gauges WHERE NOT erased AND location = isrs_fromText(search_string) ORDER BY name) r; ELSE SELECT COALESCE(json_agg(r),'[]') INTO _result FROM ( SELECT objname AS name, ST_AsGeoJSON(geom)::json AS geom, 'gauge' AS type, isrs_asText(location) AS locationcode FROM waterway.gauges WHERE NOT erased AND objname ILIKE '%' || search_string || '%' ORDER BY name) r; END IF; RETURN _result; END; $$; CREATE OR REPLACE FUNCTION search_sections(search_string text) RETURNS jsonb LANGUAGE plpgsql STABLE PARALLEL SAFE AS $$ DECLARE _result jsonb; BEGIN SELECT COALESCE(json_agg(r),'[]') INTO _result FROM (SELECT id, objnam AS name, ST_AsGeoJSON(ST_Envelope(area::geometry))::json AS geom, 'section' AS type FROM waterway.sections WHERE objnam ILIKE '%' || search_string || '%' OR nobjnam ILIKE '%' || search_string || '%' ORDER BY name) r; RETURN _result; END; $$; CREATE OR REPLACE FUNCTION search_stretches(search_string text) RETURNS jsonb LANGUAGE plpgsql STABLE PARALLEL SAFE AS $$ DECLARE _result jsonb; BEGIN SELECT COALESCE(json_agg(r),'[]') INTO _result FROM (SELECT id, objnam AS name, ST_AsGeoJSON(ST_Envelope(area::geometry))::json AS geom, 'stretch' AS type FROM users.stretches WHERE objnam ILIKE '%' || search_string || '%' OR nobjnam ILIKE '%' || search_string || '%' ORDER BY name) r; RETURN _result; END; $$; CREATE OR REPLACE FUNCTION search_most( search_string text, search_time timestamp with time zone) RETURNS jsonb LANGUAGE plpgsql STABLE PARALLEL SAFE AS $$ BEGIN RETURN search_hectometre(search_string) || search_bottlenecks(search_string, COALESCE(search_time, current_timestamp)) || search_gauges(search_string) || search_sections(search_string) || search_stretches(search_string) || search_cities(search_string); END; $$;