1 | -- Table/View/Sequence löschen, wenn vorhanden |
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2 | CREATE OR REPLACE FUNCTION alkis_dropobject(t TEXT) RETURNS varchar AS $$ |
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3 | DECLARE |
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4 | c RECORD; |
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5 | s varchar; |
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6 | r varchar; |
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7 | d varchar; |
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8 | i integer; |
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9 | tn varchar; |
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10 | BEGIN |
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11 | r := ''; |
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12 | d := ''; |
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13 | |
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14 | -- drop objects |
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15 | FOR c IN SELECT relkind,relname |
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16 | FROM pg_class |
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17 | JOIN pg_namespace ON pg_class.relnamespace=pg_namespace.oid |
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18 | WHERE pg_namespace.nspname='public' AND pg_class.relname=t |
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19 | ORDER BY relkind |
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20 | LOOP |
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21 | IF c.relkind = 'v' THEN |
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22 | r := r || d || 'Sicht ' || c.relname || ' gelöscht.'; |
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23 | EXECUTE 'DROP VIEW ' || c.relname || ' CASCADE'; |
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24 | ELSIF c.relkind = 'r' THEN |
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25 | r := r || d || 'Tabelle ' || c.relname || ' gelöscht.'; |
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26 | EXECUTE 'DROP TABLE ' || c.relname || ' CASCADE'; |
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27 | ELSIF c.relkind = 'S' THEN |
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28 | r := r || d || 'Sequenz ' || c.relname || ' gelöscht.'; |
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29 | EXECUTE 'DROP SEQUENCE ' || c.relname; |
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30 | ELSIF c.relkind <> 'i' THEN |
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31 | r := r || d || 'Typ ' || c.table_type || '.' || c.table_name || ' unerwartet.'; |
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32 | END IF; |
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33 | d := E'\n'; |
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34 | END LOOP; |
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35 | |
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36 | FOR c IN SELECT indexname FROM pg_indexes WHERE schemaname='public' AND indexname=t |
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37 | LOOP |
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38 | r := r || d || 'Index ' || c.indexname || ' gelöscht.'; |
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39 | EXECUTE 'DROP INDEX ' || c.indexname; |
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40 | d := E'\n'; |
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41 | END LOOP; |
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42 | |
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43 | FOR c IN SELECT proname,proargtypes |
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44 | FROM pg_proc |
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45 | JOIN pg_namespace ON pg_proc.pronamespace=pg_namespace.oid |
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46 | WHERE pg_namespace.nspname='public' AND pg_proc.proname=t |
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47 | LOOP |
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48 | r := r || d || 'Funktion ' || c.proname || ' gelöscht.'; |
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49 | |
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50 | s := 'DROP FUNCTION ' || c.proname || '('; |
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51 | d := ''; |
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52 | |
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53 | FOR i IN array_lower(c.proargtypes,1)..array_upper(c.proargtypes,1) LOOP |
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54 | SELECT typname INTO tn FROM pg_type WHERE oid=c.proargtypes[i]; |
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55 | s := s || d || tn; |
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56 | d := ','; |
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57 | END LOOP; |
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58 | |
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59 | s := s || ')'; |
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60 | |
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61 | EXECUTE s; |
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62 | |
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63 | d := E'\n'; |
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64 | END LOOP; |
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65 | |
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66 | FOR c IN SELECT relname,conname |
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67 | FROM pg_constraint |
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68 | JOIN pg_class ON pg_constraint.conrelid=pg_constraint.oid |
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69 | JOIN pg_namespace ON pg_constraint.connamespace=pg_namespace.oid |
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70 | WHERE pg_namespace.nspname='public' AND pg_constraint.conname=t |
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71 | LOOP |
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72 | r := r || d || 'Constraint ' || c.conname || ' von ' || c.relname || ' gelöscht.'; |
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73 | EXECUTE 'ALTER TABLE ' || c.relname || ' DROP CONSTRAINT ' || c.conname; |
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74 | d := E'\n'; |
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75 | END LOOP; |
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76 | |
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77 | RETURN r; |
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78 | END; |
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79 | $$ LANGUAGE plpgsql; |
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80 | |
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81 | -- Alle ALKIS-Tabellen löschen |
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82 | SELECT alkis_dropobject('alkis_drop'); |
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83 | CREATE FUNCTION alkis_drop() RETURNS varchar AS $$ |
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84 | DECLARE |
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85 | c RECORD; |
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86 | r VARCHAR; |
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87 | d VARCHAR; |
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88 | BEGIN |
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89 | r := ''; |
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90 | d := ''; |
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91 | -- drop tables & views |
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92 | FOR c IN SELECT table_type,table_name FROM information_schema.tables WHERE table_schema='public' AND ( substr(table_name,1,3) IN ('ax_','ap_','ks_') OR table_name IN ('alkis_beziehungen','delete')) ORDER BY table_type DESC LOOP |
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93 | IF c.table_type = 'VIEW' THEN |
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94 | r := r || d || 'Sicht ' || c.table_name || ' gelöscht.'; |
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95 | EXECUTE 'DROP VIEW ' || c.table_name || ' CASCADE'; |
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96 | ELSIF c.table_type = 'BASE TABLE' THEN |
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97 | r := r || d || 'Tabelle ' || c.table_name || ' gelöscht.'; |
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98 | EXECUTE 'DROP TABLE ' || c.table_name || ' CASCADE'; |
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99 | ELSE |
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100 | r := r || d || 'Typ ' || c.table_type || '.' || c.table_name || ' unerwartet.'; |
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101 | END IF; |
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102 | d := E'\n'; |
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103 | END LOOP; |
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104 | |
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105 | -- clean geometry_columns |
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106 | DELETE FROM geometry_columns |
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107 | WHERE f_table_schema='public' |
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108 | AND ( substr(f_table_name,1,2) IN ('ax_','ap_','ks_') |
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109 | OR f_table_name IN ('alkis_beziehungen','delete') ); |
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110 | END; |
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111 | $$ LANGUAGE plpgsql; |
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112 | |
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113 | -- Table/View/Sequence löschen, wenn vorhanden |
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114 | CREATE OR REPLACE FUNCTION alkis_dropobject(t TEXT) RETURNS void AS $$ |
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115 | DECLARE |
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116 | c RECORD; |
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117 | BEGIN |
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118 | -- drop objects |
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119 | FOR c IN SELECT relkind,relname |
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120 | FROM pg_class |
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121 | JOIN pg_namespace ON pg_class.relnamespace=pg_namespace.oid |
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122 | WHERE pg_namespace.nspname='public' AND pg_class.relname=t |
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123 | ORDER BY relkind |
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124 | LOOP |
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125 | IF c.relkind = 'v' THEN |
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126 | RAISE NOTICE 'Dropping view %', c.relname; |
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127 | EXECUTE 'DROP VIEW ' || c.relname || ' CASCADE'; |
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128 | ELSIF c.relkind = 'r' THEN |
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129 | RAISE NOTICE 'Dropping table %', c.relname; |
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130 | EXECUTE 'DROP TABLE ' || c.relname || ' CASCADE'; |
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131 | ELSIF c.relkind = 'S' THEN |
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132 | RAISE NOTICE 'Dropping sequence %', c.relname; |
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133 | EXECUTE 'DROP SEQUENCE ' || c.relname; |
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134 | ELSIF c.relkind <> 'i' THEN |
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135 | RAISE NOTICE 'Unexpected type %,%', c.relkind, c.relname; |
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136 | END IF; |
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137 | END LOOP; |
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138 | END; |
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139 | $$ LANGUAGE plpgsql; |
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140 | |
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141 | -- Alle ALKIS-Tabellen leeren |
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142 | SELECT alkis_dropobject('alkis_delete'); |
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143 | CREATE FUNCTION alkis_delete() RETURNS varchar AS $$ |
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144 | DECLARE |
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145 | c RECORD; |
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146 | r varchar; |
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147 | d varchar; |
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148 | BEGIN |
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149 | r := ''; |
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150 | d := ''; |
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151 | |
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152 | -- drop views |
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153 | FOR c IN |
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154 | SELECT table_name |
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155 | FROM information_schema.tables |
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156 | WHERE table_schema='public' AND table_type='BASE TABLE' |
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157 | AND ( substr(table_name,1,3) IN ('ax_','ap_','ks_') |
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158 | OR table_name IN ('alkis_beziehungen','delete') ) |
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159 | LOOP |
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160 | r := r || d || c.table_name || ' wurde geleert.'; |
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161 | EXECUTE 'DELETE FROM '||c.table_name; |
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162 | d := E'\n'; |
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163 | END LOOP; |
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164 | |
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165 | RETURN r; |
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166 | END; |
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167 | $$ LANGUAGE plpgsql; |
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168 | |
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169 | -- Ãbersicht erzeugen, die alle alkis_beziehungen mit den Typen der beteiligen ALKIS-Objekte versieht |
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170 | SELECT alkis_dropobject('alkis_mviews'); |
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171 | CREATE FUNCTION alkis_mviews() RETURNS varchar AS $$ |
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172 | DECLARE |
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173 | sql TEXT; |
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174 | delim TEXT; |
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175 | c RECORD; |
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176 | BEGIN |
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177 | SELECT alkis_dropobject('vbeziehungen') INTO sql; |
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178 | SELECT alkis_dropobject('vobjekte') INTO sql; |
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179 | |
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180 | delim := ''; |
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181 | sql := 'CREATE VIEW vobjekte AS '; |
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182 | |
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183 | FOR c IN SELECT table_name FROM information_schema.columns WHERE column_name='gml_id' AND substr(table_name,1,3) IN ('ax_','ap_','ks_') LOOP |
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184 | sql := sql || delim || 'SELECT gml_id,beginnt,''' || c.table_name || ''' AS table_name FROM ' || c.table_name; |
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185 | delim := ' UNION '; |
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186 | END LOOP; |
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187 | |
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188 | EXECUTE sql; |
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189 | |
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190 | -- CREATE UNIQUE INDEX vobjekte_gmlid ON vobjekte(gml_id,beginnt); |
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191 | -- CREATE INDEX vobjekte_table ON vobjekte(table_name); |
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192 | |
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193 | CREATE VIEW vbeziehungen AS |
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194 | SELECT beziehung_von,(SELECT table_name FROM vobjekte WHERE gml_id=beziehung_von) AS typ_von |
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195 | ,beziehungsart |
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196 | ,beziehung_zu,(SELECT table_name FROM vobjekte WHERE gml_id=beziehung_zu) AS typ_zu |
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197 | FROM alkis_beziehungen; |
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198 | |
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199 | -- CREATE INDEX vbeziehungen_von ON vbeziehungen(beziehung_von); |
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200 | -- CREATE INDEX vbeziehungen_vontyp ON vbeziehungen(typ_von); |
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201 | -- CREATE INDEX vbeziehungen_art ON vbeziehungen(beziehungsart); |
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202 | -- CREATE INDEX vbeziehungen_zu ON vbeziehungen(beziehung_zu); |
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203 | -- CREATE INDEX vbeziehungen_zutyp ON vbeziehungen(typ_zu); |
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204 | |
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205 | RETURN 'ALKIS-Views erzeugt.'; |
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206 | END; |
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207 | $$ LANGUAGE plpgsql; |
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208 | |
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209 | -- Indizes erzeugen |
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210 | SELECT alkis_dropobject('alkis_update_schema'); |
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211 | CREATE FUNCTION alkis_update_schema() RETURNS varchar AS $$ |
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212 | DECLARE |
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213 | sql TEXT; |
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214 | c RECORD; |
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215 | i RECORD; |
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216 | n INTEGER; |
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217 | BEGIN |
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218 | -- Spalten in delete ergÀnzen |
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219 | SELECT count(*) INTO n FROM information_schema.columns WHERE table_schema='public' AND table_name='delete' AND column_name='ignored'; |
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220 | IF n=0 THEN |
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221 | ALTER TABLE "delete" ADD ignored BOOLEAN; |
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222 | END IF; |
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223 | |
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224 | SELECT count(*) INTO n FROM information_schema.columns WHERE table_schema='public' AND table_name='delete' AND column_name='context'; |
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225 | IF n=0 THEN |
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226 | ALTER TABLE "delete" ADD context VARCHAR; |
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227 | END IF; |
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228 | |
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229 | SELECT count(*) INTO n FROM information_schema.columns WHERE table_schema='public' AND table_name='delete' AND column_name='safetoignore'; |
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230 | IF n=0 THEN |
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231 | ALTER TABLE "delete" ADD safetoignore VARCHAR; |
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232 | END IF; |
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233 | |
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234 | SELECT count(*) INTO n FROM information_schema.columns WHERE table_schema='public' AND table_name='delete' AND column_name='replacedby'; |
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235 | IF n=0 THEN |
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236 | ALTER TABLE "delete" ADD replacedBy VARCHAR; |
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237 | END IF; |
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238 | |
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239 | -- Spalte identifier ergÀnzen, wo sie fehlt |
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240 | FOR c IN SELECT table_name FROM information_schema.columns a WHERE a.column_name='gml_id' |
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241 | AND EXISTS (SELECT * FROM information_schema.columns b WHERE b.column_name='beginnt' AND a.table_catalog=b.table_catalog AND a.table_schema=b.table_schema AND a.table_name=b.table_name) |
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242 | AND NOT EXISTS (SELECT * FROM information_schema.columns b WHERE b.column_name='identifier' AND a.table_catalog=b.table_catalog AND a.table_schema=b.table_schema AND a.table_name=b.table_name) |
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243 | LOOP |
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244 | EXECUTE 'ALTER TABLE ' || c.table_name || ' ADD identifier character(44)'; |
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245 | END LOOP; |
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246 | |
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247 | -- Spalte endet ergÀnzen, wo sie fehlt |
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248 | FOR c IN SELECT table_name FROM information_schema.columns a WHERE a.column_name='gml_id' |
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249 | AND EXISTS (SELECT * FROM information_schema.columns b WHERE b.column_name='beginnt' AND a.table_catalog=b.table_catalog AND a.table_schema=b.table_schema AND a.table_name=b.table_name) |
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250 | AND NOT EXISTS (SELECT * FROM information_schema.columns b WHERE b.column_name='endet' AND a.table_catalog=b.table_catalog AND a.table_schema=b.table_schema AND a.table_name=b.table_name) |
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251 | LOOP |
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252 | EXECUTE 'ALTER TABLE ' || c.table_name || ' ADD endet character(20) CHECK (endet>beginnt)'; |
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253 | END LOOP; |
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254 | |
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255 | -- Lebensdauer-Constraint ergÀnzen |
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256 | FOR c IN SELECT table_name FROM information_schema.columns a WHERE a.column_name='gml_id' |
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257 | AND EXISTS (SELECT * FROM information_schema.columns b WHERE b.column_name='beginnt' AND a.table_catalog=b.table_catalog AND a.table_schema=b.table_schema AND a.table_name=b.table_name) |
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258 | AND EXISTS (SELECT * FROM information_schema.columns b WHERE b.column_name='endet' AND a.table_catalog=b.table_catalog AND a.table_schema=b.table_schema AND a.table_name=b.table_name) |
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259 | LOOP |
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260 | SELECT alkis_dropobject(c.table_name||'_lebensdauer'); |
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261 | EXECUTE 'ALTER TABLE ' || c.table_name || ' ADD CONSTRAINT ' || c.table_name || '_lebensdauer CHECK (beginnt IS NOT NULL AND endet>beginnt)'; |
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262 | END LOOP; |
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263 | |
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264 | -- Indizes aktualisieren |
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265 | FOR c IN SELECT table_name FROM information_schema.columns a WHERE a.column_name='gml_id' |
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266 | AND EXISTS (SELECT * FROM information_schema.columns b WHERE b.column_name='beginnt' AND a.table_catalog=b.table_catalog AND a.table_schema=b.table_schema AND a.table_name=b.table_name) |
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267 | LOOP |
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268 | -- Vorhandene Indizes droppen (TODO: Löscht auch die SonderfÀlle - entfernen) |
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269 | FOR i IN EXECUTE 'SELECT indexname FROM pg_indexes WHERE NOT indexname LIKE ''%_pk'' AND schemaname=''public'' AND tablename='''||c.table_name||'''' LOOP |
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270 | EXECUTE 'DROP INDEX ' || i.indexname; |
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271 | END LOOP; |
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272 | |
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273 | -- Indizes erzeugen |
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274 | EXECUTE 'CREATE UNIQUE INDEX ' || c.table_name || '_id ON ' || c.table_name || '(gml_id,beginnt)'; |
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275 | EXECUTE 'CREATE UNIQUE INDEX ' || c.table_name || '_ident ON ' || c.table_name || '(identifier)'; |
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276 | EXECUTE 'CREATE INDEX ' || c.table_name || '_gmlid ON ' || c.table_name || '(gml_id)'; |
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277 | EXECUTE 'CREATE INDEX ' || c.table_name || '_beginnt ON ' || c.table_name || '(beginnt)'; |
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278 | EXECUTE 'CREATE INDEX ' || c.table_name || '_endet ON ' || c.table_name || '(endet)'; |
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279 | END LOOP; |
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280 | |
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281 | -- Geometrieindizes aktualisieren |
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282 | FOR c IN SELECT table_name FROM information_schema.columns a WHERE a.column_name='gml_id' |
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283 | AND EXISTS (SELECT * FROM information_schema.columns b WHERE b.column_name='wkb_geometry' AND a.table_catalog=b.table_catalog AND a.table_schema=b.table_schema AND a.table_name=b.table_name) |
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284 | LOOP |
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285 | EXECUTE 'CREATE INDEX ' || c.table_name || '_geom ON ' || c.table_name || ' USING GIST (wkb_geometry)'; |
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286 | END LOOP; |
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287 | |
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288 | RETURN 'Schema aktualisiert.'; |
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289 | END; |
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290 | $$ LANGUAGE plpgsql; |
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291 | |
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292 | |
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293 | -- Löschsatz verarbeiten (MIT Historie) |
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294 | -- context='delete' => "endet" auf aktuelle Zeit setzen |
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295 | -- context='replace' => "endet" des ersetzten auf "beginnt" des neuen Objekts setzen |
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296 | CREATE OR REPLACE FUNCTION delete_feature_hist() RETURNS TRIGGER AS $$ |
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297 | DECLARE |
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298 | sql TEXT; |
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299 | gml_id TEXT; |
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300 | endete TEXT; |
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301 | n INTEGER; |
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302 | BEGIN |
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303 | NEW.context := lower(NEW.context); |
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304 | gml_id := substr(NEW.featureid, 1, 16); |
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305 | |
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306 | IF NEW.context IS NULL THEN |
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307 | NEW.context := 'delete'; |
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308 | END IF; |
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309 | |
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310 | IF NEW.context='delete' THEN |
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311 | endete := to_char(CURRENT_TIMESTAMP AT TIME ZONE 'UTC','YYYY-MM-DD"T"HH24:MI:SS"Z"'); |
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312 | |
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313 | ELSIF NEW.context='replace' THEN |
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314 | NEW.safetoignore := lower(NEW.safetoignore); |
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315 | |
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316 | IF NEW.safetoignore IS NULL THEN |
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317 | RAISE EXCEPTION '%: safeToIgnore nicht gesetzt.', NEW.featureid; |
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318 | ELSIF NEW.safetoignore<>'true' AND NEW.safetoignore<>'false' THEN |
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319 | RAISE EXCEPTION '%: safeToIgnore ''%'' ungÃŒltig (''true'' oder ''false'' erwartet).', NEW.featureid, NEW.safetoignore; |
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320 | END IF; |
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321 | |
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322 | IF NEW.replacedBy IS NULL OR NEW.replacedBy = '' THEN |
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323 | IF NEW.safetoignore = 'true' THEN |
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324 | RAISE NOTICE '%: Nachfolger nicht gesetzt - ignoriert', NEW.featureid; |
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325 | NEW.ignored := true; |
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326 | RETURN NEW; |
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327 | ELSE |
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328 | RAISE EXCEPTION '%: Nachfolger nicht gesetzt', NEW.featureid; |
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329 | END IF; |
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330 | END IF; |
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331 | |
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332 | sql := 'SELECT beginnt FROM ' || NEW.typename || ' WHERE identifier=''urn:adv:oid:' || NEW.replacedBy || ''''; |
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333 | -- RAISE NOTICE 'SQL: %', sql; |
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334 | |
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335 | -- FEHLER: identifier enthÀlt nur gml_id, aber nicht den Timestamp dahinter |
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336 | -- Daher wird das zu ersetzende Objekt nicht gefunden |
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337 | |
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338 | EXECUTE sql INTO endete; |
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339 | |
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340 | IF endete IS NULL AND length(NEW.replacedBy)>16 THEN |
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341 | RAISE NOTICE '%: Nachfolger % nicht gefunden - versuche ''%''', NEW.featureid, NEW.replacedBy, substr(NEW.replacedBy, 1, 16); |
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342 | sql := 'SELECT beginnt FROM ' || NEW.typename |
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343 | || ' WHERE gml_id=''' || substr(NEW.replacedBy, 1, 16) || '''' |
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344 | || ' AND endet IS NULL' |
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345 | || ' AND identifier<>''urn:adv:oid:'|| NEW.featureid || '''' |
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346 | || ' ORDER BY beginnt DESC' |
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347 | || ' LIMIT 1'; |
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348 | EXECUTE sql INTO endete; |
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349 | gml_id := gml_id || ''' AND beginnt<>''' || endete; |
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350 | END IF; |
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351 | |
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352 | IF endete IS NULL THEN |
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353 | IF NEW.safetoignore = 'true' THEN |
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354 | RAISE NOTICE '%: Nachfolger % nicht gefunden - ignoriert', NEW.featureid, NEW.replacedBy; |
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355 | NEW.ignored := true; |
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356 | RETURN NEW; |
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357 | ELSE |
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358 | RAISE EXCEPTION '%: Nachfolger % nicht gefunden', NEW.featureid, NEW.replacedBy; |
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359 | END IF; |
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360 | END IF; |
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361 | |
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362 | -- RAISE NOTICE '%: Nachfolgeobjekt beginnt um %.', NEW.featureid, endete; |
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363 | ELSE |
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364 | RAISE EXCEPTION '%: UngÃŒltiger Kontext % (''delete'' oder ''replace'' erwartet).', NEW.featureid, NEW.context; |
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365 | END IF; |
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366 | |
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367 | sql := 'UPDATE ' || NEW.typename |
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368 | || ' SET endet=''' || endete || '''' |
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369 | || ' WHERE (identifier=''urn:adv:oid:' || NEW.featureid || ''' OR identifier=''urn:adv:oid:' || gml_id || ''')' |
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370 | || ' AND endet IS NULL'; |
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371 | -- RAISE NOTICE 'SQL: %', sql; |
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372 | EXECUTE sql; |
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373 | GET DIAGNOSTICS n = ROW_COUNT; |
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374 | IF n<>1 THEN |
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375 | RAISE NOTICE 'SQL: %', sql; |
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376 | IF NEW.context = 'delete' OR NEW.safetoignore = 'true' THEN |
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377 | RAISE NOTICE '%: Untergangsdatum von % Objekten statt nur einem auf % gesetzt - ignoriert', NEW.featureid, n, endete; |
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378 | NEW.ignored := true; |
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379 | RETURN NEW; |
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380 | ELSE |
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381 | RAISE EXCEPTION '%: Untergangsdatum von % Objekten statt nur einem auf % gesetzt - ignoriert', NEW.featureid, n, endete; |
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382 | END IF; |
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383 | END IF; |
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384 | |
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385 | NEW.ignored := false; |
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386 | RETURN NEW; |
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387 | END; |
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388 | $$ LANGUAGE plpgsql; |
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389 | |
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390 | |
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391 | -- Löschsatz verarbeiten (OHNE Historie) |
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392 | -- historische Objekte werden sofort gelöscht. |
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393 | -- Siehe Mail W. Jacobs vom 23.03.2012 in PostNAS-Mailingliste |
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394 | -- geaendert krz FJ 2012-10-31 |
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395 | CREATE OR REPLACE FUNCTION delete_feature_kill() RETURNS TRIGGER AS $$ |
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396 | DECLARE |
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397 | query TEXT; |
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398 | begsql TEXT; |
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399 | aktbeg TEXT; |
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400 | gml_id TEXT; |
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401 | BEGIN |
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402 | NEW.typename := lower(NEW.typename); |
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403 | NEW.context := lower(NEW.context); |
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404 | gml_id := substr(NEW.featureid, 1, 16); |
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405 | |
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406 | IF NEW.context IS NULL THEN |
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407 | NEW.context := 'delete'; |
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408 | END IF; |
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409 | |
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410 | IF NEW.context='delete' THEN |
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411 | -- ersatzloses Loeschen eines Objektes |
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412 | |
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413 | query := 'DELETE FROM ' || NEW.typename |
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414 | || ' WHERE gml_id = ''' || gml_id || ''''; |
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415 | EXECUTE query; |
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416 | |
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417 | query := 'DELETE FROM alkis_beziehungen WHERE beziehung_von = ''' || gml_id |
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418 | || ''' OR beziehung_zu = ''' || gml_id || ''''; |
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419 | EXECUTE query; |
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420 | RAISE NOTICE 'Lösche gml_id % in % und Beziehungen', gml_id, NEW.typename; |
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421 | |
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422 | ELSE |
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423 | -- Ersetzen eines Objektes |
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424 | -- In der objekt-Tabelle sind bereits 2 Objekte vorhanden (alt und neu). |
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425 | -- Die 2 DatensÀtze unterscheiden sich nur in ogc_fid und beginnt |
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426 | |
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427 | -- beginnt-Wert des aktuellen Objektes ermitteln |
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428 | -- RAISE NOTICE 'Suche beginnt von neuem gml_id % ', substr(NEW.replacedBy, 1, 16); |
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429 | begsql := 'SELECT max(beginnt) FROM ' || NEW.typename || ' WHERE gml_id = ''' || substr(NEW.replacedBy, 1, 16) || ''' AND endet IS NULL'; |
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430 | EXECUTE begsql INTO aktbeg; |
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431 | |
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432 | -- Nur alte Objekte entfernen |
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433 | query := 'DELETE FROM ' || NEW.typename |
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434 | || ' WHERE gml_id = ''' || gml_id || ''' AND beginnt < ''' || aktbeg || ''''; |
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435 | EXECUTE query; |
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436 | |
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437 | -- Tabelle alkis_beziehungen |
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438 | IF gml_id = substr(NEW.replacedBy, 1, 16) THEN -- gml_id gleich |
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439 | -- Beziehungen des Objektes wurden redundant noch einmal eingetragen |
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440 | -- ToDo: HIER sofort die Redundanzen zum aktuellen Objekt beseitigen. |
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441 | -- Workaround: Nach der Konvertierung werden im Post-Processing |
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442 | -- ALLE Redundanzen mit einem SQL-Statemant beseitigt. |
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443 | -- RAISE NOTICE 'Ersetze gleiche gml_id % in %', gml_id, NEW.typename; |
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444 | |
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445 | -- ENTWURF ungetestet: |
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446 | --query := 'DELETE FROM alkis_beziehungen AS bezalt |
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447 | -- WHERE (bezalt.beziehung_von = ' || gml_id || ' OR bezalt.beziehung_zu = ' || gml_id ||') |
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448 | -- AND EXISTS (SELECT ogc_fid FROM alkis_beziehungen AS bezneu |
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449 | -- WHERE bezalt.beziehung_von = bezneu.beziehung_von |
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450 | -- AND bezalt.beziehung_zu = bezneu.beziehung_zu |
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451 | -- AND bezalt.beziehungsart = bezneu.beziehungsart |
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452 | -- AND bezalt.ogc_fid < bezneu.ogc_fid);' |
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453 | --EXECUTE query; |
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454 | |
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455 | ELSE |
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456 | -- replace mit ungleicher gml_id |
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457 | -- Falls dies vorkommt, die Function erweitern |
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458 | RAISE EXCEPTION '%: neue gml_id % bei Replace in %. alkis_beziehungen muss aktualisiert werden!', gml_id, NEW.replacedBy, NEW.typename; |
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459 | END IF; |
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460 | END IF; |
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461 | |
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462 | NEW.ignored := false; |
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463 | RETURN NEW; |
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464 | END; |
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465 | $$ LANGUAGE plpgsql; |
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466 | |
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467 | -- Im Trigger 'delete_feature_trigger' muss eine dieser beiden Funktionen |
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468 | -- (delete_feature_hist oder delete_feature_kill) verlinkt werden, je nachdem ob nur |
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469 | -- aktuelle oder auch historische Objekte in der Datenbank gefÃŒhrt werden sollen. |
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470 | |
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471 | -- Wenn die Datenbank MIT Historie angelegt wurde, kann nach dem Laden hiermit aufgerÀumt werden. |
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472 | CREATE OR REPLACE FUNCTION alkis_delete_all_endet() RETURNS void AS $$ |
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473 | DECLARE |
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474 | c RECORD; |
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475 | BEGIN |
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476 | -- In allen Tabellen die Objekte Löschen, die ein Ende-Datum haben |
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477 | FOR c IN |
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478 | SELECT table_name |
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479 | FROM information_schema.columns a |
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480 | WHERE a.column_name='endet' |
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481 | ORDER BY table_name |
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482 | LOOP |
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483 | EXECUTE 'DELETE FROM ' || c.table_name || ' WHERE NOT endet IS NULL'; |
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484 | -- RAISE NOTICE 'Lösche ''endet'' in: %', c.table_name; |
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485 | END LOOP; |
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486 | END; |
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487 | $$ LANGUAGE plpgsql; |
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