Mercurial > gemma

annotate schema/search_functions.sql @ 5666:37c2354a6024 clickable-links

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Render links only to known bottlenecks
author Thomas Junk <thomas.junk@intevation.de>
date Tue, 05 Dec 2023 15:34:31 +0100
parents a6e5bb85f0a7
children
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) 2018,2019,2020 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(
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46 search_string text,
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47 search_time timestamp with time zone)
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48 RETURNS jsonb
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49 LANGUAGE plpgsql STABLE PARALLEL SAFE
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50 AS $$
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51 DECLARE
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52 _result jsonb;
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53 BEGIN
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54 SELECT COALESCE(json_agg(r),'[]')
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55 INTO _result
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56 FROM (SELECT objnam AS name,
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57 ST_AsGeoJSON(ST_Envelope(area::geometry))::json AS geom,
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58 'bottleneck' AS type,
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59 bottleneck_id AS location
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60 FROM waterway.bottlenecks
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61 WHERE (objnam ILIKE '%' || search_string || '%'
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62 OR bottleneck_id ILIKE '%' || search_string || '%')
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63 AND validity @> search_time
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64 ORDER BY name) r;
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65 RETURN _result;
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66 END;
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67 $$;
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68
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69 CREATE OR REPLACE FUNCTION search_cities(search_string text) RETURNS jsonb
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70 LANGUAGE plpgsql STABLE PARALLEL SAFE
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71 AS $$
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72 DECLARE
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73 _result jsonb;
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74 BEGIN
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75 SELECT COALESCE(json_agg(r),'[]')
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76 INTO _result
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77 FROM (SELECT name,
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78 country_code AS location,
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79 ST_AsGeoJSON(location)::json AS geom,
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80 'city' AS type
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81 FROM waterway.geonames
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82 WHERE feature_code IN ('PPLA', 'PPLA1', 'PPLA2', 'PPLA3', 'PPLC')
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83 AND (name ILIKE '%' || search_string || '%'
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84 OR alternatenames ~* ('(^|,)' || search_string || '($|,)'))
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85 ORDER BY array_position(ARRAY['PPLC', 'PPLA', 'PPLA1', 'PPLA2', 'PPLA3'],
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86 feature_code::text),
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87 name) r;
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88 RETURN _result;
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89 END;
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90 $$;
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91
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92 CREATE OR REPLACE FUNCTION search_gauges(search_string text) RETURNS jsonb
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93 LANGUAGE plpgsql STABLE PARALLEL SAFE
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94 AS $$
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95 DECLARE
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96 _result jsonb;
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97 BEGIN
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98 IF is_ISRSstring(search_string) THEN
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99 SELECT COALESCE(json_agg(r),'[]')
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100 INTO _result
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101 FROM (
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102 SELECT objname AS name,
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103 ST_AsGeoJSON(geom)::json AS geom,
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104 'gauge' AS type,
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105 isrs_asText(location) AS locationcode
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106 FROM waterway.gauges
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107 WHERE NOT erased AND location = isrs_fromText(search_string)
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108 ORDER BY name) r;
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109 ELSE
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110 SELECT COALESCE(json_agg(r),'[]')
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111 INTO _result
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112 FROM (
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113 SELECT objname AS name,
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114 ST_AsGeoJSON(geom)::json AS geom,
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115 'gauge' AS type,
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116 isrs_asText(location) AS locationcode
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117 FROM waterway.gauges
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118 WHERE NOT erased AND objname ILIKE '%' || search_string || '%'
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119 ORDER BY name) r;
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120 END IF;
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121 RETURN _result;
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122 END;
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123 $$;
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124
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125 CREATE OR REPLACE FUNCTION search_sections(search_string text) RETURNS jsonb
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126 LANGUAGE plpgsql STABLE PARALLEL SAFE
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127 AS $$
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128 DECLARE
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129 _result jsonb;
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130 BEGIN
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131 SELECT COALESCE(json_agg(r),'[]')
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132 INTO _result
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133 FROM (SELECT id,
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134 objnam AS name,
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135 ST_AsGeoJSON(ST_Envelope(area::geometry))::json AS geom,
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136 'section' AS type
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137 FROM waterway.sections
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138 WHERE objnam ILIKE '%' || search_string || '%'
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parents: 2452
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139 OR nobjnam ILIKE '%' || search_string || '%'
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Sascha Wilde <wilde@intevation.de>
parents: 2452
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140 ORDER BY name) r;
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141 RETURN _result;
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parents: 2452
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142 END;
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Sascha Wilde <wilde@intevation.de>
parents: 2452
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143 $$;
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144
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145 CREATE OR REPLACE FUNCTION search_stretches(search_string text) RETURNS jsonb
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Sascha Wilde <wilde@intevation.de>
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146 LANGUAGE plpgsql STABLE PARALLEL SAFE
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Sascha Wilde <wilde@intevation.de>
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147 AS $$
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148 DECLARE
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149 _result jsonb;
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150 BEGIN
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151 SELECT COALESCE(json_agg(r),'[]')
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152 INTO _result
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78ba9b2574ff search: include id in search result to mark sections/stretches as selected
Markus Kottlaender <markus@intevation.de>
parents: 3741
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153 FROM (SELECT id,
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Markus Kottlaender <markus@intevation.de>
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154 objnam AS name,
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parents: 3740
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155 ST_AsGeoJSON(ST_Envelope(area::geometry))::json AS geom,
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156 'stretch' AS type
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Sascha Wilde <wilde@intevation.de>
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157 FROM users.stretches
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158 WHERE objnam ILIKE '%' || search_string || '%'
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parents: 3740
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159 OR nobjnam ILIKE '%' || search_string || '%'
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Sascha Wilde <wilde@intevation.de>
parents: 3740
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160 ORDER BY name) r;
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161 RETURN _result;
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162 END;
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163 $$;
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parents: 3740
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164
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parents: 4874
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165 CREATE OR REPLACE FUNCTION search_most(
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166 search_string text,
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Sascha Wilde <wilde@intevation.de>
parents: 4874
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167 search_time timestamp with time zone)
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168 RETURNS jsonb
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Sascha Wilde <wilde@intevation.de>
parents: 3734
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169 LANGUAGE plpgsql STABLE PARALLEL SAFE
1833
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Tom Gottfried <tom@intevation.de>
parents:
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170 AS $$
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Tom Gottfried <tom@intevation.de>
parents:
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171 BEGIN
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172 RETURN search_hectometre(search_string)
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173 || search_bottlenecks(search_string,
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parents: 4874
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174 COALESCE(search_time, current_timestamp))
2452
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Sascha Wilde <wilde@intevation.de>
parents: 1833
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175 || search_gauges(search_string)
3383
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176 || search_sections(search_string)
3741
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177 || search_stretches(search_string)
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178 || search_cities(search_string);
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Tom Gottfried <tom@intevation.de>
parents:
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179 END;
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Tom Gottfried <tom@intevation.de>
parents:
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180 $$;