Mercurial > gemma

annotate schema/search_functions.sql @ 3753:78ba9b2574ff

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search: include id in search result to mark sections/stretches as selected
author Markus Kottlaender <markus@intevation.de>
date Tue, 25 Jun 2019 10:27:09 +0200
parents 71de5ce5a402
children 33180c25bd87
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 -- This is Free Software under GNU Affero General Public License v >= 3.0
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2 -- without warranty, see README.md and license for details.
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3
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4 -- SPDX-License-Identifier: AGPL-3.0-or-later
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5 -- License-Filename: LICENSES/AGPL-3.0.txt
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6
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7 -- Copyright (C) 2018,2019 by via donau
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8 -- – Österreichische Wasserstraßen-Gesellschaft mbH
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9 -- Software engineering by Intevation GmbH
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10
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11 -- Author(s):
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12 -- * Sascha Wilde <wilde@intevation.de>
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13
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14 CREATE OR REPLACE FUNCTION search_hectometre(search_string text) RETURNS jsonb
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15 LANGUAGE plpgsql STABLE PARALLEL SAFE
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16 AS $$
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17 DECLARE
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18 _result jsonb;
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19 BEGIN
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20 IF search_string SIMILAR TO '[0-9]+' THEN
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21 SELECT COALESCE(json_agg(r),'[]')
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22 INTO _result
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23 FROM (SELECT (location_code).hectometre || ' rhm' AS name,
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24 isrs_asText(location_code) AS locationcode,
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25 ST_AsGeoJSON(geom)::json AS geom, 'rhm' AS type
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26 FROM waterway.distance_marks_virtual
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27 WHERE (location_code).hectometre = search_string::int) r;
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28 ELSIF is_ISRSstring(search_string) THEN
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29 SELECT COALESCE(json_agg(r),'[]')
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30 INTO _result
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31 FROM (SELECT (location_code).hectometre || ' rhm' AS name,
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32 isrs_asText(location_code) AS locationcode,
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33 ST_AsGeoJSON(geom)::json AS geom, 'rhm' AS type
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34 FROM waterway.distance_marks_virtual
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35 WHERE location_code = isrs_fromText(search_string)) r;
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36 ELSE
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37 _result='[]';
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38 END IF;
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39 RETURN _result;
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40 END;
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41 $$;
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42
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43 CREATE OR REPLACE FUNCTION search_bottlenecks(search_string text) RETURNS jsonb
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44 LANGUAGE plpgsql STABLE PARALLEL SAFE
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45 AS $$
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46 DECLARE
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47 _result jsonb;
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48 BEGIN
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49 SELECT COALESCE(json_agg(r),'[]')
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50 INTO _result
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51 FROM (SELECT objnam AS name,
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52 ST_AsGeoJSON(ST_Envelope(area::geometry))::json AS geom,
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53 'bottleneck' AS type
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54 FROM waterway.bottlenecks
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55 WHERE objnam ILIKE '%' || search_string || '%'
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56 ORDER BY name) r;
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57 RETURN _result;
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58 END;
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59 $$;
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60
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61 CREATE OR REPLACE FUNCTION search_cities(search_string text) RETURNS jsonb
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62 LANGUAGE plpgsql STABLE PARALLEL SAFE
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63 AS $$
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64 DECLARE
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65 _result jsonb;
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66 BEGIN
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67 SELECT COALESCE(json_agg(r),'[]')
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68 INTO _result
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69 FROM (SELECT name || ' (' || country_code || ')' AS name,
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70 ST_AsGeoJSON(location)::json AS geom,
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71 'city' AS type
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72 FROM waterway.geonames
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73 WHERE feature_code IN ('PPLA', 'PPLA1', 'PPLA2', 'PPLA3', 'PPLC')
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74 AND (name ILIKE '%' || search_string || '%'
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75 OR alternatenames ~* ('(^|,)' || search_string || '($|,)'))
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76 ORDER BY array_position(ARRAY['PPLC', 'PPLA', 'PPLA1', 'PPLA2', 'PPLA3'],
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77 feature_code::text),
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78 name) r;
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79 RETURN _result;
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80 END;
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81 $$;
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82
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83 CREATE OR REPLACE FUNCTION search_gauges(search_string text) RETURNS jsonb
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84 LANGUAGE plpgsql STABLE PARALLEL SAFE
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85 AS $$
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86 DECLARE
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87 _result jsonb;
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88 BEGIN
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89 IF is_ISRSstring(search_string) THEN
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90 SELECT COALESCE(json_agg(r),'[]')
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91 INTO _result
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92 FROM (
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93 SELECT objname AS name,
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94 ST_AsGeoJSON(geom)::json AS geom,
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95 'gauge' AS type
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96 FROM waterway.gauges
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97 WHERE NOT erased AND location = isrs_fromText(search_string)
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98 ORDER BY name) r;
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99 ELSE
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100 SELECT COALESCE(json_agg(r),'[]')
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101 INTO _result
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102 FROM (
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103 SELECT objname AS name,
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104 ST_AsGeoJSON(geom)::json AS geom,
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105 'gauge' AS type
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106 FROM waterway.gauges
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107 WHERE NOT erased AND objname ILIKE '%' || search_string || '%'
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108 ORDER BY name) r;
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109 END IF;
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110 RETURN _result;
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111 END;
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112 $$;
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113
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114 CREATE OR REPLACE FUNCTION search_sections(search_string text) RETURNS jsonb
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115 LANGUAGE plpgsql STABLE PARALLEL SAFE
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116 AS $$
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117 DECLARE
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118 _result jsonb;
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119 BEGIN
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120 SELECT COALESCE(json_agg(r),'[]')
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121 INTO _result
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122 FROM (SELECT id,
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123 objnam AS name,
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124 ST_AsGeoJSON(ST_Envelope(area::geometry))::json AS geom,
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125 'section' AS type
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126 FROM waterway.sections
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127 WHERE objnam ILIKE '%' || search_string || '%'
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128 OR nobjnam ILIKE '%' || search_string || '%'
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129 ORDER BY name) r;
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130 RETURN _result;
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131 END;
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132 $$;
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133
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134 CREATE OR REPLACE FUNCTION search_stretches(search_string text) RETURNS jsonb
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135 LANGUAGE plpgsql STABLE PARALLEL SAFE
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136 AS $$
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137 DECLARE
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138 _result jsonb;
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139 BEGIN
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140 SELECT COALESCE(json_agg(r),'[]')
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141 INTO _result
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Markus Kottlaender <markus@intevation.de>
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142 FROM (SELECT id,
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143 objnam AS name,
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144 ST_AsGeoJSON(ST_Envelope(area::geometry))::json AS geom,
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145 'stretch' AS type
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146 FROM waterway.stretches
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147 WHERE objnam ILIKE '%' || search_string || '%'
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148 OR nobjnam ILIKE '%' || search_string || '%'
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149 ORDER BY name) r;
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150 RETURN _result;
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151 END;
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152 $$;
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153
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154 CREATE OR REPLACE FUNCTION search_most(search_string text) RETURNS jsonb
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155 LANGUAGE plpgsql STABLE PARALLEL SAFE
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156 AS $$
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157 BEGIN
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158 RETURN search_hectometre(search_string)
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159 || search_bottlenecks(search_string)
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160 || search_gauges(search_string)
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161 || search_sections(search_string)
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162 || search_stretches(search_string)
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163 || search_cities(search_string);
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164 END;
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165 $$;