Mercurial > dive4elements > river

annotate flys-backend/doc/schema/postgresql.sql @ 754:5bcf338eadb9

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Added a new view to select ws of a WST. flys-backend/trunk@1986 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Tue, 24 May 2011 10:49:14 +0000
parents ce9c6f05f464
children a29fd0916803
rev   line source
164
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1 BEGIN;
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2
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3 -- Gewaesser
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4 CREATE SEQUENCE RIVERS_ID_SEQ;
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5
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6 CREATE TABLE rivers (
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7 id int PRIMARY KEY NOT NULL,
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8 name VARCHAR(256) NOT NULL UNIQUE,
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9 km_up BOOLEAN NOT NULL DEFAULT true
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10 );
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11
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12 -- Bruecke, Haefen, etc.
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13 CREATE SEQUENCE ATTRIBUTES_ID_SEQ;
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14
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15 CREATE TABLE attributes (
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16 id int PRIMARY KEY NOT NULL,
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17 value VARCHAR(256) NOT NULL UNIQUE
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18 );
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19
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20 -- segments from/to at a river
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21 CREATE SEQUENCE RANGES_ID_SEQ;
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22
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23 CREATE TABLE ranges (
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24 id int PRIMARY KEY NOT NULL,
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25 river_id int NOT NULL REFERENCES rivers(id),
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26 a NUMERIC NOT NULL,
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27 b NUMERIC,
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28 UNIQUE (river_id, a, b)
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29 );
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30
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31 -- Lage 'links', 'rechts', etc.
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32 CREATE SEQUENCE POSITIONS_ID_SEQ;
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33
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34 CREATE TABLE positions (
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35 id int PRIMARY KEY NOT NULL,
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36 value VARCHAR(256) NOT NULL UNIQUE
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37 );
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38
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39 -- Some object (eg. Hafen) at a segment of river
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40 -- plus its position.
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41 CREATE SEQUENCE ANNOTATIONS_ID_SEQ;
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42
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43 CREATE TABLE annotations (
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44 id int PRIMARY KEY NOT NULL,
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45 range_id int NOT NULL REFERENCES ranges(id),
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46 attribute_id int NOT NULL REFERENCES attributes(id),
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47 position_id int REFERENCES positions(id)
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48 );
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49
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50 -- Pegel
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51 CREATE SEQUENCE GAUGES_ID_SEQ;
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52
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53 CREATE TABLE gauges (
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54 id int PRIMARY KEY NOT NULL,
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55 name VARCHAR(256) NOT NULL,
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56 river_id int NOT NULL REFERENCES rivers(id),
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57 station NUMERIC NOT NULL UNIQUE,
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58 aeo NUMERIC NOT NULL,
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59
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60 -- Pegelnullpunkt
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61 datum NUMERIC NOT NULL,
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62 -- Streckengueltigkeit
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63 range_id int NOT NULL REFERENCES ranges (id),
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64
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65 UNIQUE (name, river_id),
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66 UNIQUE (river_id, station)
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67 );
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68
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69 -- Type of a Hauptwert 'W', 'Q', 'D', etc.
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70 CREATE SEQUENCE MAIN_VALUE_TYPES_ID_SEQ;
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71
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72 CREATE TABLE main_value_types (
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73 id int PRIMARY KEY NOT NULL,
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74 name VARCHAR(256) NOT NULL UNIQUE
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75 );
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76
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77 -- Named type of a Hauptwert (eg. HQ100)
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78 CREATE SEQUENCE NAMED_MAIN_VALUES_ID_SEQ;
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80 CREATE TABLE named_main_values (
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81 id int PRIMARY KEY NOT NULL,
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82 name VARCHAR(256) NOT NULL UNIQUE,
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83 type_id int NOT NULL REFERENCES main_value_types(id),
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84 UNIQUE (name, type_id)
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85 );
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86
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87 -- Table for time intervals
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88 CREATE SEQUENCE TIME_INTERVALS_ID_SEQ;
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90 CREATE TABLE time_intervals (
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91 id int PRIMARY KEY NOT NULL,
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92 start_time TIMESTAMP NOT NULL,
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93 stop_time TIMESTAMP,
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94 CHECK (start_time <= stop_time)
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95 );
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96
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97 -- Stammdaten
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98 CREATE SEQUENCE MAIN_VALUES_ID_SEQ;
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100 CREATE TABLE main_values (
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101 id int PRIMARY KEY NOT NULL,
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102 gauge_id int NOT NULL REFERENCES gauges(id),
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103 named_value_id int NOT NULL REFERENCES named_main_values(id),
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104 value NUMERIC NOT NULL,
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106 time_interval_id int REFERENCES time_intervals(id),
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107
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108 -- TODO: better checks
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109 UNIQUE (gauge_id, named_value_id, time_interval_id)
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110 );
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111
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112 -- Abflusstafeln
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113 CREATE SEQUENCE DISCHARGE_TABLES_ID_SEQ;
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114
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115 CREATE TABLE discharge_tables (
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116 id int PRIMARY KEY NOT NULL,
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117 gauge_id int NOT NULL REFERENCES gauges(id),
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118 description VARCHAR(256) NOT NULL,
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119 kind int NOT NULL DEFAULT 0,
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120 time_interval_id int REFERENCES time_intervals(id)
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121
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122 -- TODO: better checks
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123 -- UNIQUE (gauge_id, kind, time_interval_id)
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124 );
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125
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126 -- Values of the Abflusstafeln
170
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127 CREATE SEQUENCE DISCHARGE_TABLE_VALUES_ID_SEQ;
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128
164
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129 CREATE TABLE discharge_table_values (
168
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130 id int PRIMARY KEY NOT NULL,
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131 table_id int NOT NULL REFERENCES discharge_tables(id),
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132 q NUMERIC NOT NULL,
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133 w NUMERIC NOT NULL,
164
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134
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135 UNIQUE (table_id, q, w)
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136 );
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137
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138 -- WST files
171
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139 CREATE SEQUENCE WSTS_ID_SEQ;
170
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140
171
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141 CREATE TABLE wsts (
168
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142 id int PRIMARY KEY NOT NULL,
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143 river_id int NOT NULL REFERENCES rivers(id),
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144 description VARCHAR(256) NOT NULL,
470
f4afea9b7537 Forget ',' in schema.
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145 kind int NOT NULL DEFAULT 0,
164
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146 -- TODO: more meta infos
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147 UNIQUE (river_id, description)
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148 );
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149
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150 -- columns of WST files
171
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151 CREATE SEQUENCE WST_COLUMNS_ID_SEQ;
170
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152
171
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153 CREATE TABLE wst_columns (
168
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154 id int PRIMARY KEY NOT NULL,
173
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155 wst_id int NOT NULL REFERENCES wsts(id),
168
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156 name VARCHAR(256) NOT NULL,
174
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157 description VARCHAR(256),
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158 position int NOT NULL DEFAULT 0,
164
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159
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160 time_interval_id int REFERENCES time_intervals(id),
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161
471
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162 UNIQUE (wst_id, name),
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163 UNIQUE (wst_id, position)
164
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164 );
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165
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166 -- w values in WST file column
170
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167 CREATE SEQUENCE WST_COLUMN_VALUES_ID_SEQ;
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168
164
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169 CREATE TABLE wst_column_values (
168
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170 id int PRIMARY KEY NOT NULL,
171
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171 wst_column_id int NOT NULL REFERENCES wst_columns(id),
168
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172 position NUMERIC NOT NULL,
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173 w NUMERIC NOT NULL,
164
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174
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175 UNIQUE (position, wst_column_id),
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176 UNIQUE (position, wst_column_id, w)
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177 );
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178
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179 -- bind q values to range
170
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180 CREATE SEQUENCE WST_Q_RANGES_ID_SEQ;
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181
164
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182 CREATE TABLE wst_q_ranges (
168
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183 id int PRIMARY KEY NOT NULL,
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184 range_id int NOT NULL REFERENCES ranges(id),
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185 q NUMERIC NOT NULL
164
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186 );
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187
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188 -- bind q ranges to wst columns
170
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189 CREATE SEQUENCE WST_COLUMN_Q_RANGES_ID_SEQ;
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190
164
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191 CREATE TABLE wst_column_q_ranges (
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192 id int PRIMARY KEY NOT NULL,
173
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diff changeset
193 wst_column_id int NOT NULL REFERENCES wst_columns(id),
164
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194 wst_q_range_id int NOT NULL REFERENCES wst_q_ranges(id),
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195
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196 UNIQUE (wst_column_id, wst_q_range_id)
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197 );
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198
476
77f337650211 Added a view 'wst_value_table' which aggregates the data to build w/q value tables.
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199 CREATE VIEW wst_value_table AS
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diff changeset
200 SELECT wcv.position AS position,
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diff changeset
201 w,
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202 (SELECT q
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diff changeset
203 FROM wst_column_q_ranges wcqr
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diff changeset
204 JOIN wst_q_ranges wqr
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diff changeset
205 ON wcqr.wst_q_range_id = wqr.id
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parents: 471
diff changeset
206 JOIN ranges r
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diff changeset
207 ON r.id = wqr.range_id
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diff changeset
208 WHERE wcqr.wst_column_id = wc.id
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diff changeset
209 AND wcv.position BETWEEN r.a AND r.b) AS q,
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diff changeset
210 wc.position AS column_pos,
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diff changeset
211 w.id AS wst_id
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parents: 471
diff changeset
212 FROM wst_column_values wcv
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parents: 471
diff changeset
213 JOIN wst_columns wc
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diff changeset
214 ON wcv.wst_column_id = wc.id
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parents: 471
diff changeset
215 JOIN wsts w
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diff changeset
216 ON wc.wst_id = w.id
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diff changeset
217 ORDER BY wcv.position ASC,
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diff changeset
218 wc.position DESC;
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parents: 471
diff changeset
219
754
5bcf338eadb9 Added a new view to select ws of a WST.
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diff changeset
220 -- view to select the w values of a WST
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parents: 505
diff changeset
221 CREATE VIEW wst_w_values AS
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parents: 505
diff changeset
222 SELECT wcv."position" AS km,
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parents: 505
diff changeset
223 wcv.w AS w,
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parents: 505
diff changeset
224 wc."position" AS column_pos,
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parents: 505
diff changeset
225 w.id AS wst_id
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parents: 505
diff changeset
226 FROM wst_column_values wcv
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parents: 505
diff changeset
227 JOIN wst_columns wc ON wcv.wst_column_id = wc.id
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parents: 505
diff changeset
228 JOIN wsts w ON wc.wst_id = w.id
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parents: 505
diff changeset
229 ORDER BY wcv."position", wc."position";
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parents: 505
diff changeset
230
164
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231 COMMIT;
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