Mercurial > gemma
annotate schema/updates/0301/02.search_functions.sql @ 4434:0ca5e6c4f195
Added tag v4-preview20190918 for changeset b5619087e3e9
author | Sascha Wilde <wilde@intevation.de> |
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date | Wed, 18 Sep 2019 18:04:39 +0200 |
parents | 32e9ae5210f9 |
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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 wwname AS location, |
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26 ST_AsGeoJSON(geom)::json AS geom, 'rhm' AS type |
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27 FROM waterway.distance_marks_virtual |
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28 WHERE (location_code).hectometre = search_string::int) r; |
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29 ELSIF is_ISRSstring(search_string) THEN |
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30 SELECT COALESCE(json_agg(r),'[]') |
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31 INTO _result |
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32 FROM (SELECT (location_code).hectometre || ' rhm' AS name, |
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33 isrs_asText(location_code) AS locationcode, |
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34 wwname AS location, |
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35 ST_AsGeoJSON(geom)::json AS geom, 'rhm' AS type |
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36 FROM waterway.distance_marks_virtual |
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37 WHERE location_code = isrs_fromText(search_string)) r; |
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38 ELSE |
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39 _result='[]'; |
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40 END IF; |
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41 RETURN _result; |
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42 END; |
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43 $$; |
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44 |
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45 CREATE OR REPLACE FUNCTION search_bottlenecks(search_string text) RETURNS jsonb |
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46 LANGUAGE plpgsql STABLE PARALLEL SAFE |
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47 AS $$ |
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48 DECLARE |
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49 _result jsonb; |
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50 BEGIN |
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51 SELECT COALESCE(json_agg(r),'[]') |
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52 INTO _result |
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53 FROM (SELECT objnam AS name, |
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54 ST_AsGeoJSON(ST_Envelope(area::geometry))::json AS geom, |
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55 'bottleneck' AS type |
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56 FROM waterway.bottlenecks |
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57 WHERE objnam ILIKE '%' || search_string || '%' |
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58 ORDER BY name) r; |
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59 RETURN _result; |
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60 END; |
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61 $$; |
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62 |
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63 CREATE OR REPLACE FUNCTION search_cities(search_string text) RETURNS jsonb |
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64 LANGUAGE plpgsql STABLE PARALLEL SAFE |
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65 AS $$ |
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66 DECLARE |
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67 _result jsonb; |
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68 BEGIN |
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69 SELECT COALESCE(json_agg(r),'[]') |
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70 INTO _result |
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71 FROM (SELECT name, |
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72 country_code AS location, |
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73 ST_AsGeoJSON(location)::json AS geom, |
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74 'city' AS type |
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75 FROM waterway.geonames |
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76 WHERE feature_code IN ('PPLA', 'PPLA1', 'PPLA2', 'PPLA3', 'PPLC') |
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77 AND (name ILIKE '%' || search_string || '%' |
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78 OR alternatenames ~* ('(^|,)' || search_string || '($|,)')) |
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79 ORDER BY array_position(ARRAY['PPLC', 'PPLA', 'PPLA1', 'PPLA2', 'PPLA3'], |
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80 feature_code::text), |
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81 name) r; |
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82 RETURN _result; |
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83 END; |
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84 $$; |
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85 |
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86 CREATE OR REPLACE FUNCTION search_gauges(search_string text) RETURNS jsonb |
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87 LANGUAGE plpgsql STABLE PARALLEL SAFE |
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88 AS $$ |
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89 DECLARE |
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90 _result jsonb; |
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91 BEGIN |
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92 IF is_ISRSstring(search_string) THEN |
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93 SELECT COALESCE(json_agg(r),'[]') |
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94 INTO _result |
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95 FROM ( |
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96 SELECT objname AS name, |
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97 ST_AsGeoJSON(geom)::json AS geom, |
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98 'gauge' AS type, |
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99 isrs_asText(location) AS locationcode |
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100 FROM waterway.gauges |
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101 WHERE NOT erased AND location = isrs_fromText(search_string) |
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102 ORDER BY name) r; |
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103 ELSE |
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104 SELECT COALESCE(json_agg(r),'[]') |
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105 INTO _result |
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106 FROM ( |
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107 SELECT objname AS name, |
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108 ST_AsGeoJSON(geom)::json AS geom, |
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109 'gauge' AS type, |
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110 isrs_asText(location) AS locationcode |
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111 FROM waterway.gauges |
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112 WHERE NOT erased AND objname ILIKE '%' || search_string || '%' |
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113 ORDER BY name) r; |
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114 END IF; |
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115 RETURN _result; |
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116 END; |
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117 $$; |
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118 |
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119 CREATE OR REPLACE FUNCTION search_sections(search_string text) RETURNS jsonb |
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120 LANGUAGE plpgsql STABLE PARALLEL SAFE |
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121 AS $$ |
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122 DECLARE |
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123 _result jsonb; |
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124 BEGIN |
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125 SELECT COALESCE(json_agg(r),'[]') |
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126 INTO _result |
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127 FROM (SELECT id, |
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128 objnam AS name, |
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129 ST_AsGeoJSON(ST_Envelope(area::geometry))::json AS geom, |
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130 'section' AS type |
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131 FROM waterway.sections |
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132 WHERE objnam ILIKE '%' || search_string || '%' |
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133 OR nobjnam ILIKE '%' || search_string || '%' |
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134 ORDER BY name) r; |
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135 RETURN _result; |
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136 END; |
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137 $$; |
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138 |
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139 CREATE OR REPLACE FUNCTION search_stretches(search_string text) RETURNS jsonb |
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140 LANGUAGE plpgsql STABLE PARALLEL SAFE |
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141 AS $$ |
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142 DECLARE |
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143 _result jsonb; |
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144 BEGIN |
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145 SELECT COALESCE(json_agg(r),'[]') |
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146 INTO _result |
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147 FROM (SELECT id, |
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148 objnam AS name, |
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149 ST_AsGeoJSON(ST_Envelope(area::geometry))::json AS geom, |
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150 'stretch' AS type |
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151 FROM waterway.stretches |
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152 WHERE objnam ILIKE '%' || search_string || '%' |
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153 OR nobjnam ILIKE '%' || search_string || '%' |
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154 ORDER BY name) r; |
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155 RETURN _result; |
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156 END; |
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157 $$; |
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158 |
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159 CREATE OR REPLACE FUNCTION search_most(search_string text) RETURNS jsonb |
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160 LANGUAGE plpgsql STABLE PARALLEL SAFE |
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161 AS $$ |
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162 BEGIN |
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163 RETURN search_hectometre(search_string) |
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164 || search_bottlenecks(search_string) |
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165 || search_gauges(search_string) |
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166 || search_sections(search_string) |
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167 || search_stretches(search_string) |
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168 || search_cities(search_string); |
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169 END; |
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170 $$; |