Mercurial > gemma

annotate schema/search_functions.sql @ 4874:7cbe5d32a614

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Added search for bottleneck_id.
author Sascha Wilde <wilde@intevation.de>
date Fri, 31 Jan 2020 17:11:30 +0100
parents 5e38667f740c
children a6e5bb85f0a7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 $$
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48 DECLARE
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49 _result jsonb;
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50 BEGIN
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51 SELECT COALESCE(json_agg(r),'[]')
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52 INTO _result
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53 FROM (SELECT objnam AS name,
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54 ST_AsGeoJSON(ST_Envelope(area::geometry))::json AS geom,
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55 'bottleneck' AS type,
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56 bottleneck_id AS location
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57 FROM waterway.bottlenecks
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58 WHERE (objnam ILIKE '%' || search_string || '%'
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59 OR bottleneck_id ILIKE '%' || search_string || '%')
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60 AND validity @> now()
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61 ORDER BY name) r;
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62 RETURN _result;
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63 END;
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64 $$;
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65
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66 CREATE OR REPLACE FUNCTION search_cities(search_string text) RETURNS jsonb
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67 LANGUAGE plpgsql STABLE PARALLEL SAFE
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68 AS $$
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69 DECLARE
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70 _result jsonb;
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71 BEGIN
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72 SELECT COALESCE(json_agg(r),'[]')
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73 INTO _result
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74 FROM (SELECT name,
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75 country_code AS location,
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76 ST_AsGeoJSON(location)::json AS geom,
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77 'city' AS type
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78 FROM waterway.geonames
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79 WHERE feature_code IN ('PPLA', 'PPLA1', 'PPLA2', 'PPLA3', 'PPLC')
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80 AND (name ILIKE '%' || search_string || '%'
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81 OR alternatenames ~* ('(^|,)' || search_string || '($|,)'))
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82 ORDER BY array_position(ARRAY['PPLC', 'PPLA', 'PPLA1', 'PPLA2', 'PPLA3'],
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83 feature_code::text),
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84 name) r;
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85 RETURN _result;
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86 END;
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87 $$;
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88
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89 CREATE OR REPLACE FUNCTION search_gauges(search_string text) RETURNS jsonb
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90 LANGUAGE plpgsql STABLE PARALLEL SAFE
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91 AS $$
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92 DECLARE
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93 _result jsonb;
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94 BEGIN
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95 IF is_ISRSstring(search_string) THEN
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96 SELECT COALESCE(json_agg(r),'[]')
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97 INTO _result
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98 FROM (
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99 SELECT objname AS name,
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100 ST_AsGeoJSON(geom)::json AS geom,
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101 'gauge' AS type,
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102 isrs_asText(location) AS locationcode
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103 FROM waterway.gauges
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104 WHERE NOT erased AND location = isrs_fromText(search_string)
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105 ORDER BY name) r;
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106 ELSE
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107 SELECT COALESCE(json_agg(r),'[]')
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108 INTO _result
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109 FROM (
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110 SELECT objname AS name,
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111 ST_AsGeoJSON(geom)::json AS geom,
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112 'gauge' AS type,
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113 isrs_asText(location) AS locationcode
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114 FROM waterway.gauges
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115 WHERE NOT erased AND objname ILIKE '%' || search_string || '%'
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116 ORDER BY name) r;
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117 END IF;
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118 RETURN _result;
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119 END;
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120 $$;
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121
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122 CREATE OR REPLACE FUNCTION search_sections(search_string text) RETURNS jsonb
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123 LANGUAGE plpgsql STABLE PARALLEL SAFE
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124 AS $$
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125 DECLARE
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126 _result jsonb;
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127 BEGIN
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128 SELECT COALESCE(json_agg(r),'[]')
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129 INTO _result
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130 FROM (SELECT id,
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131 objnam AS name,
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132 ST_AsGeoJSON(ST_Envelope(area::geometry))::json AS geom,
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133 'section' AS type
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134 FROM waterway.sections
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135 WHERE objnam ILIKE '%' || search_string || '%'
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136 OR nobjnam ILIKE '%' || search_string || '%'
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137 ORDER BY name) r;
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138 RETURN _result;
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139 END;
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140 $$;
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141
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142 CREATE OR REPLACE FUNCTION search_stretches(search_string text) RETURNS jsonb
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143 LANGUAGE plpgsql STABLE PARALLEL SAFE
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144 AS $$
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145 DECLARE
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146 _result jsonb;
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147 BEGIN
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148 SELECT COALESCE(json_agg(r),'[]')
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149 INTO _result
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150 FROM (SELECT id,
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151 objnam AS name,
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152 ST_AsGeoJSON(ST_Envelope(area::geometry))::json AS geom,
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153 'stretch' AS type
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154 FROM users.stretches
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155 WHERE objnam ILIKE '%' || search_string || '%'
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156 OR nobjnam ILIKE '%' || search_string || '%'
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157 ORDER BY name) r;
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158 RETURN _result;
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159 END;
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160 $$;
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161
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162 CREATE OR REPLACE FUNCTION search_most(search_string text) RETURNS jsonb
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163 LANGUAGE plpgsql STABLE PARALLEL SAFE
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164 AS $$
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165 BEGIN
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166 RETURN search_hectometre(search_string)
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167 || search_bottlenecks(search_string)
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168 || search_gauges(search_string)
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169 || search_sections(search_string)
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170 || search_stretches(search_string)
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171 || search_cities(search_string);
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172 END;
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173 $$;