[299] | 1 | -- alkis-functions.sql - Trigger-Funktionen fÃŒr die FortfÃŒhrung der |
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| 2 | -- alkis_beziehungen aus EintrÀgen der delete-Tabelle |
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| 3 | |
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| 4 | -- 2013-07-10: Erweiterung zur Verarbeitung der Replace-SÀtze in ALKIS-Beziehungen |
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| 5 | |
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| 6 | -- 2013-12-10: In der Function "update_fields_beziehungen" den Fall behandeln, dass ein Objekt einer |
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[314] | 7 | -- neuen Beziehung in keiner Tabelle gefunden wird. |
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| 8 | -- Wenn ein einzelnes Objekt fehlt, soll dies keine Auswirkungen auf andere Objekte haben. |
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| 9 | -- FÃŒllen von "zu_typename" auskommentiert. |
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[299] | 10 | |
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[314] | 11 | -- 2014-01-31: Deaktivieren von "update_fields_beziehungen", |
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| 12 | -- statt dessen verwenden der "import_id" um alte Relationen zu identifizieren und zu löschen. |
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| 13 | |
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[330] | 14 | -- 2014-08-27: Angleichung des Datenbank-Schema an die NorBIT-Version. |
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| 15 | -- Die Trigger-Function "delete_feature_kill()" arbeitet falsch, wenn "gml_id" als "character varying" angelegt ist. |
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| 16 | -- Das Format war bisher charachter(16). |
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| 17 | -- Zugriff auf die Spalte gml_id umgestellt von "=" auf "like" um den individuellen Timestamp zu ignorieren. |
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[314] | 18 | |
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[330] | 19 | -- 2014-09-04 Trigger-Funktion "delete_feature_kill()" angepasst: keine Tabelle "alkis_beziehungen" mehr. |
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| 20 | |
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[331] | 21 | -- 2014-09-11 Functions auskommentiert oder gelöscht, die "alkis_beziehungen" benötigen: |
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| 22 | -- "alkis_mviews()", delete_feature_kill_vers07(), alkis_beziehung_inserted() |
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| 23 | -- Trigger-Function "delete_feature_hist" durch aktuelle Version aus OSGeo4W ersetzt. |
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| 24 | |
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[190] | 25 | -- Table/View/Sequence löschen, wenn vorhanden |
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| 26 | CREATE OR REPLACE FUNCTION alkis_dropobject(t TEXT) RETURNS varchar AS $$ |
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| 27 | DECLARE |
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| 28 | c RECORD; |
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| 29 | s varchar; |
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| 30 | r varchar; |
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| 31 | d varchar; |
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| 32 | i integer; |
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| 33 | tn varchar; |
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| 34 | BEGIN |
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| 35 | r := ''; |
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| 36 | d := ''; |
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| 37 | |
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| 38 | -- drop objects |
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| 39 | FOR c IN SELECT relkind,relname |
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| 40 | FROM pg_class |
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| 41 | JOIN pg_namespace ON pg_class.relnamespace=pg_namespace.oid |
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| 42 | WHERE pg_namespace.nspname='public' AND pg_class.relname=t |
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| 43 | ORDER BY relkind |
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| 44 | LOOP |
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| 45 | IF c.relkind = 'v' THEN |
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| 46 | r := r || d || 'Sicht ' || c.relname || ' gelöscht.'; |
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| 47 | EXECUTE 'DROP VIEW ' || c.relname || ' CASCADE'; |
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| 48 | ELSIF c.relkind = 'r' THEN |
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| 49 | r := r || d || 'Tabelle ' || c.relname || ' gelöscht.'; |
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| 50 | EXECUTE 'DROP TABLE ' || c.relname || ' CASCADE'; |
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| 51 | ELSIF c.relkind = 'S' THEN |
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| 52 | r := r || d || 'Sequenz ' || c.relname || ' gelöscht.'; |
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| 53 | EXECUTE 'DROP SEQUENCE ' || c.relname; |
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| 54 | ELSIF c.relkind <> 'i' THEN |
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| 55 | r := r || d || 'Typ ' || c.table_type || '.' || c.table_name || ' unerwartet.'; |
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| 56 | END IF; |
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| 57 | d := E'\n'; |
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| 58 | END LOOP; |
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| 59 | |
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| 60 | FOR c IN SELECT indexname FROM pg_indexes WHERE schemaname='public' AND indexname=t |
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| 61 | LOOP |
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| 62 | r := r || d || 'Index ' || c.indexname || ' gelöscht.'; |
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| 63 | EXECUTE 'DROP INDEX ' || c.indexname; |
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| 64 | d := E'\n'; |
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| 65 | END LOOP; |
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| 66 | |
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| 67 | FOR c IN SELECT proname,proargtypes |
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| 68 | FROM pg_proc |
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| 69 | JOIN pg_namespace ON pg_proc.pronamespace=pg_namespace.oid |
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| 70 | WHERE pg_namespace.nspname='public' AND pg_proc.proname=t |
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| 71 | LOOP |
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| 72 | r := r || d || 'Funktion ' || c.proname || ' gelöscht.'; |
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| 73 | |
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| 74 | s := 'DROP FUNCTION ' || c.proname || '('; |
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| 75 | d := ''; |
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| 76 | |
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| 77 | FOR i IN array_lower(c.proargtypes,1)..array_upper(c.proargtypes,1) LOOP |
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| 78 | SELECT typname INTO tn FROM pg_type WHERE oid=c.proargtypes[i]; |
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| 79 | s := s || d || tn; |
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| 80 | d := ','; |
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| 81 | END LOOP; |
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| 82 | |
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| 83 | s := s || ')'; |
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| 84 | |
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| 85 | EXECUTE s; |
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| 86 | |
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| 87 | d := E'\n'; |
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| 88 | END LOOP; |
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| 89 | |
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| 90 | FOR c IN SELECT relname,conname |
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| 91 | FROM pg_constraint |
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| 92 | JOIN pg_class ON pg_constraint.conrelid=pg_constraint.oid |
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| 93 | JOIN pg_namespace ON pg_constraint.connamespace=pg_namespace.oid |
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| 94 | WHERE pg_namespace.nspname='public' AND pg_constraint.conname=t |
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| 95 | LOOP |
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| 96 | r := r || d || 'Constraint ' || c.conname || ' von ' || c.relname || ' gelöscht.'; |
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| 97 | EXECUTE 'ALTER TABLE ' || c.relname || ' DROP CONSTRAINT ' || c.conname; |
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| 98 | d := E'\n'; |
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| 99 | END LOOP; |
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| 100 | |
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| 101 | RETURN r; |
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| 102 | END; |
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| 103 | $$ LANGUAGE plpgsql; |
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| 104 | |
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| 105 | -- Alle ALKIS-Tabellen löschen |
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| 106 | SELECT alkis_dropobject('alkis_drop'); |
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| 107 | CREATE FUNCTION alkis_drop() RETURNS varchar AS $$ |
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| 108 | DECLARE |
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| 109 | c RECORD; |
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| 110 | r VARCHAR; |
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| 111 | d VARCHAR; |
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| 112 | BEGIN |
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| 113 | r := ''; |
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| 114 | d := ''; |
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| 115 | -- drop tables & views |
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| 116 | 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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| 117 | IF c.table_type = 'VIEW' THEN |
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| 118 | r := r || d || 'Sicht ' || c.table_name || ' gelöscht.'; |
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| 119 | EXECUTE 'DROP VIEW ' || c.table_name || ' CASCADE'; |
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| 120 | ELSIF c.table_type = 'BASE TABLE' THEN |
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| 121 | r := r || d || 'Tabelle ' || c.table_name || ' gelöscht.'; |
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| 122 | EXECUTE 'DROP TABLE ' || c.table_name || ' CASCADE'; |
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| 123 | ELSE |
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| 124 | r := r || d || 'Typ ' || c.table_type || '.' || c.table_name || ' unerwartet.'; |
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| 125 | END IF; |
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| 126 | d := E'\n'; |
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| 127 | END LOOP; |
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| 128 | |
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| 129 | -- clean geometry_columns |
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| 130 | DELETE FROM geometry_columns |
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| 131 | WHERE f_table_schema='public' |
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| 132 | AND ( substr(f_table_name,1,2) IN ('ax_','ap_','ks_') |
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| 133 | OR f_table_name IN ('alkis_beziehungen','delete') ); |
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| 134 | |
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[192] | 135 | RETURN r; |
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[190] | 136 | END; |
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| 137 | $$ LANGUAGE plpgsql; |
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| 138 | |
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| 139 | -- Alle ALKIS-Tabellen leeren |
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| 140 | SELECT alkis_dropobject('alkis_delete'); |
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| 141 | CREATE FUNCTION alkis_delete() RETURNS varchar AS $$ |
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| 142 | DECLARE |
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| 143 | c RECORD; |
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| 144 | r varchar; |
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| 145 | d varchar; |
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| 146 | BEGIN |
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| 147 | r := ''; |
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| 148 | d := ''; |
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| 149 | |
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| 150 | -- drop views |
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| 151 | FOR c IN |
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| 152 | SELECT table_name |
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| 153 | FROM information_schema.tables |
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| 154 | WHERE table_schema='public' AND table_type='BASE TABLE' |
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| 155 | AND ( substr(table_name,1,3) IN ('ax_','ap_','ks_') |
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| 156 | OR table_name IN ('alkis_beziehungen','delete') ) |
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| 157 | LOOP |
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| 158 | r := r || d || c.table_name || ' wurde geleert.'; |
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| 159 | EXECUTE 'DELETE FROM '||c.table_name; |
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| 160 | d := E'\n'; |
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| 161 | END LOOP; |
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| 162 | |
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| 163 | RETURN r; |
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| 164 | END; |
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| 165 | $$ LANGUAGE plpgsql; |
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| 166 | |
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| 167 | -- Ãbersicht erzeugen, die alle alkis_beziehungen mit den Typen der beteiligen ALKIS-Objekte versieht |
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[331] | 168 | /* |
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[190] | 169 | SELECT alkis_dropobject('alkis_mviews'); |
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| 170 | CREATE FUNCTION alkis_mviews() RETURNS varchar AS $$ |
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| 171 | DECLARE |
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| 172 | sql TEXT; |
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| 173 | delim TEXT; |
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| 174 | c RECORD; |
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| 175 | BEGIN |
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| 176 | SELECT alkis_dropobject('vbeziehungen') INTO sql; |
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| 177 | SELECT alkis_dropobject('vobjekte') INTO sql; |
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| 178 | |
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| 179 | delim := ''; |
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| 180 | sql := 'CREATE VIEW vobjekte AS '; |
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| 181 | |
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| 182 | 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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| 183 | sql := sql || delim || 'SELECT gml_id,beginnt,''' || c.table_name || ''' AS table_name FROM ' || c.table_name; |
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| 184 | delim := ' UNION '; |
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| 185 | END LOOP; |
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| 186 | |
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| 187 | EXECUTE sql; |
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| 188 | |
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| 189 | CREATE VIEW vbeziehungen AS |
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| 190 | SELECT beziehung_von,(SELECT table_name FROM vobjekte WHERE gml_id=beziehung_von) AS typ_von |
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| 191 | ,beziehungsart |
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| 192 | ,beziehung_zu,(SELECT table_name FROM vobjekte WHERE gml_id=beziehung_zu) AS typ_zu |
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| 193 | FROM alkis_beziehungen; |
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| 194 | |
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| 195 | RETURN 'ALKIS-Views erzeugt.'; |
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| 196 | END; |
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| 197 | $$ LANGUAGE plpgsql; |
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[331] | 198 | */ |
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[190] | 199 | |
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| 200 | -- Indizes erzeugen |
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| 201 | SELECT alkis_dropobject('alkis_update_schema'); |
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| 202 | CREATE FUNCTION alkis_update_schema() RETURNS varchar AS $$ |
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| 203 | DECLARE |
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| 204 | sql TEXT; |
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| 205 | c RECORD; |
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| 206 | i RECORD; |
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| 207 | n INTEGER; |
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| 208 | BEGIN |
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| 209 | -- Spalten in delete ergÀnzen |
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| 210 | SELECT count(*) INTO n FROM information_schema.columns WHERE table_schema='public' AND table_name='delete' AND column_name='ignored'; |
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| 211 | IF n=0 THEN |
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| 212 | ALTER TABLE "delete" ADD ignored BOOLEAN; |
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| 213 | END IF; |
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| 214 | |
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| 215 | SELECT count(*) INTO n FROM information_schema.columns WHERE table_schema='public' AND table_name='delete' AND column_name='context'; |
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| 216 | IF n=0 THEN |
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| 217 | ALTER TABLE "delete" ADD context VARCHAR; |
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| 218 | END IF; |
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| 219 | |
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| 220 | SELECT count(*) INTO n FROM information_schema.columns WHERE table_schema='public' AND table_name='delete' AND column_name='safetoignore'; |
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| 221 | IF n=0 THEN |
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| 222 | ALTER TABLE "delete" ADD safetoignore VARCHAR; |
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| 223 | END IF; |
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| 224 | |
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| 225 | SELECT count(*) INTO n FROM information_schema.columns WHERE table_schema='public' AND table_name='delete' AND column_name='replacedby'; |
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| 226 | IF n=0 THEN |
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| 227 | ALTER TABLE "delete" ADD replacedBy VARCHAR; |
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| 228 | END IF; |
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| 229 | |
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| 230 | -- Spalte identifier ergÀnzen, wo sie fehlt |
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| 231 | FOR c IN SELECT table_name FROM information_schema.columns a WHERE a.column_name='gml_id' |
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| 232 | 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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| 233 | 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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| 234 | LOOP |
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| 235 | EXECUTE 'ALTER TABLE ' || c.table_name || ' ADD identifier character(44)'; |
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| 236 | END LOOP; |
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| 237 | |
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| 238 | -- Spalte endet ergÀnzen, wo sie fehlt |
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| 239 | FOR c IN SELECT table_name FROM information_schema.columns a WHERE a.column_name='gml_id' |
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| 240 | 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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| 241 | 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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| 242 | LOOP |
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| 243 | EXECUTE 'ALTER TABLE ' || c.table_name || ' ADD endet character(20) CHECK (endet>beginnt)'; |
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| 244 | END LOOP; |
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| 245 | |
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| 246 | -- Lebensdauer-Constraint ergÀnzen |
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| 247 | FOR c IN SELECT table_name FROM information_schema.columns a WHERE a.column_name='gml_id' |
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| 248 | 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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| 249 | 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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| 250 | LOOP |
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| 251 | SELECT alkis_dropobject(c.table_name||'_lebensdauer'); |
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| 252 | EXECUTE 'ALTER TABLE ' || c.table_name || ' ADD CONSTRAINT ' || c.table_name || '_lebensdauer CHECK (beginnt IS NOT NULL AND endet>beginnt)'; |
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| 253 | END LOOP; |
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| 254 | |
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| 255 | -- Indizes aktualisieren |
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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 | LOOP |
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| 259 | -- Vorhandene Indizes droppen (TODO: Löscht auch die SonderfÀlle - entfernen) |
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| 260 | 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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| 261 | EXECUTE 'DROP INDEX ' || i.indexname; |
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| 262 | END LOOP; |
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| 263 | |
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| 264 | -- Indizes erzeugen |
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| 265 | EXECUTE 'CREATE UNIQUE INDEX ' || c.table_name || '_id ON ' || c.table_name || '(gml_id,beginnt)'; |
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| 266 | EXECUTE 'CREATE UNIQUE INDEX ' || c.table_name || '_ident ON ' || c.table_name || '(identifier)'; |
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| 267 | EXECUTE 'CREATE INDEX ' || c.table_name || '_gmlid ON ' || c.table_name || '(gml_id)'; |
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| 268 | EXECUTE 'CREATE INDEX ' || c.table_name || '_beginnt ON ' || c.table_name || '(beginnt)'; |
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| 269 | EXECUTE 'CREATE INDEX ' || c.table_name || '_endet ON ' || c.table_name || '(endet)'; |
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| 270 | END LOOP; |
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| 271 | |
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| 272 | -- Geometrieindizes aktualisieren |
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| 273 | FOR c IN SELECT table_name FROM information_schema.columns a WHERE a.column_name='gml_id' |
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| 274 | 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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| 275 | LOOP |
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| 276 | EXECUTE 'CREATE INDEX ' || c.table_name || '_geom ON ' || c.table_name || ' USING GIST (wkb_geometry)'; |
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| 277 | END LOOP; |
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| 278 | |
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| 279 | RETURN 'Schema aktualisiert.'; |
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| 280 | END; |
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| 281 | $$ LANGUAGE plpgsql; |
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| 282 | |
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[331] | 283 | -- Die folgende Trigger-Version kopiert aus OSGeo4W / apps / alkis-import, Datei:alkis-functions.sql |
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| 284 | |
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[192] | 285 | -- Im Trigger 'delete_feature_trigger' muss eine dieser beiden Funktionen |
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| 286 | -- (delete_feature_hist oder delete_feature_kill) verlinkt werden, je nachdem ob nur |
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| 287 | -- aktuelle oder auch historische Objekte in der Datenbank gefÃŒhrt werden sollen. |
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[190] | 288 | |
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| 289 | -- Löschsatz verarbeiten (MIT Historie) |
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[331] | 290 | -- context='update' => "endet" auf ÃŒbergebene Zeit setzen und anlass festhalten |
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[190] | 291 | -- context='delete' => "endet" auf aktuelle Zeit setzen |
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| 292 | -- context='replace' => "endet" des ersetzten auf "beginnt" des neuen Objekts setzen |
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| 293 | CREATE OR REPLACE FUNCTION delete_feature_hist() RETURNS TRIGGER AS $$ |
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| 294 | DECLARE |
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[331] | 295 | s TEXT; |
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| 296 | alt_id TEXT; |
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| 297 | neu_id TEXT; |
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| 298 | beginnt TEXT; |
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[190] | 299 | endete TEXT; |
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| 300 | n INTEGER; |
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| 301 | BEGIN |
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| 302 | NEW.context := lower(NEW.context); |
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| 303 | IF NEW.context IS NULL THEN |
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| 304 | NEW.context := 'delete'; |
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| 305 | END IF; |
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| 306 | |
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[331] | 307 | -- TIMESTAMP weder in gml_id noch identifier verlÀÃlich. |
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| 308 | -- also ggf. aus Datenbank holen |
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| 309 | |
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| 310 | IF length(NEW.featureid)=32 THEN |
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| 311 | alt_id := substr(NEW.featureid, 1, 16); |
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| 312 | |
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| 313 | IF NEW.featureid<>NEW.replacedBy THEN |
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| 314 | -- Beginnt-Datum aus Timestamp |
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| 315 | beginnt := substr(NEW.featureid, 17, 4) || '-' |
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| 316 | || substr(NEW.featureid, 21, 2) || '-' |
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| 317 | || substr(NEW.featureid, 23, 2) || 'T' |
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| 318 | || substr(NEW.featureid, 26, 2) || ':' |
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| 319 | || substr(NEW.featureid, 28, 2) || ':' |
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| 320 | || substr(NEW.featureid, 30, 2) || 'Z' |
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| 321 | ; |
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| 322 | END IF; |
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| 323 | ELSIF length(NEW.featureid)=16 THEN |
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| 324 | alt_id := NEW.featureid; |
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| 325 | ELSE |
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| 326 | RAISE EXCEPTION '%: LÀnge 16 oder 32 statt % erwartet.', NEW.featureid, length(NEW.featureid); |
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| 327 | END IF; |
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| 328 | |
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| 329 | IF beginnt IS NULL THEN |
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| 330 | -- Beginnt-Datum des Àltesten Eintrag, der nicht untergegangen ist |
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| 331 | -- => der Satz dessen 'endet' gesetzt werden muà |
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| 332 | EXECUTE 'SELECT min(beginnt) FROM ' || NEW.typename |
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| 333 | || ' WHERE gml_id=''' || alt_id || '''' |
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| 334 | || ' AND endet IS NULL' |
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| 335 | INTO beginnt; |
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| 336 | END IF; |
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| 337 | |
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| 338 | IF beginnt IS NULL THEN |
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| 339 | IF NEW.context = 'delete' OR NEW.safetoignore = 'true' THEN |
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| 340 | RAISE NOTICE 'Kein Beginndatum fÃŒr Objekt % gefunden - ignoriert.', alt_id; |
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| 341 | NEW.ignored := true; |
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| 342 | RETURN NEW; |
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| 343 | ELSE |
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| 344 | RAISE EXCEPTION 'Kein Beginndatum fÃŒr Objekt % gefunden.', alt_id; |
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| 345 | END IF; |
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| 346 | END IF; |
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| 347 | |
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[190] | 348 | IF NEW.context='delete' THEN |
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| 349 | endete := to_char(CURRENT_TIMESTAMP AT TIME ZONE 'UTC','YYYY-MM-DD"T"HH24:MI:SS"Z"'); |
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| 350 | |
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| 351 | ELSIF NEW.context='replace' THEN |
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| 352 | NEW.safetoignore := lower(NEW.safetoignore); |
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| 353 | |
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| 354 | IF NEW.safetoignore IS NULL THEN |
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| 355 | RAISE EXCEPTION '%: safeToIgnore nicht gesetzt.', NEW.featureid; |
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| 356 | ELSIF NEW.safetoignore<>'true' AND NEW.safetoignore<>'false' THEN |
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| 357 | RAISE EXCEPTION '%: safeToIgnore ''%'' ungÃŒltig (''true'' oder ''false'' erwartet).', NEW.featureid, NEW.safetoignore; |
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| 358 | END IF; |
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| 359 | |
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[331] | 360 | IF length(NEW.replacedBy)=32 THEN |
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| 361 | -- Beginnt-Datum aus Timestamp |
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| 362 | IF NEW.featureid<>NEW.replacedBy THEN |
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| 363 | endete := substr(NEW.replacedBy, 17, 4) || '-' |
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| 364 | || substr(NEW.replacedBy, 21, 2) || '-' |
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| 365 | || substr(NEW.replacedBy, 23, 2) || 'T' |
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| 366 | || substr(NEW.replacedBy, 26, 2) || ':' |
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| 367 | || substr(NEW.replacedBy, 28, 2) || ':' |
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| 368 | || substr(NEW.replacedBy, 30, 2) || 'Z' |
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| 369 | ; |
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[192] | 370 | END IF; |
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[331] | 371 | ELSIF length(NEW.replacedBy)<>16 THEN |
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| 372 | RAISE EXCEPTION '%: LÀnge 16 oder 32 statt % erwartet.', NEW.replacedBy, length(NEW.replacedBy); |
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[190] | 373 | END IF; |
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| 374 | |
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[331] | 375 | neu_id := NEW.replacedBy; |
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| 376 | IF endete IS NULL THEN |
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| 377 | -- Beginnt-Datum des neuesten Eintrag, der nicht untergegangen ist |
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| 378 | -- => Enddatum fÃŒr vorherigen Satz |
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| 379 | EXECUTE 'SELECT max(beginnt) FROM ' || NEW.typename |
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| 380 | || ' WHERE gml_id=''' || NEW.replacedBy || '''' |
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| 381 | || ' AND beginnt>''' || beginnt || '''' |
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| 382 | || ' AND endet IS NULL' |
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| 383 | INTO endete; |
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| 384 | IF endete IS NULL AND length(NEW.replacedBy)=32 THEN |
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| 385 | EXECUTE 'SELECT max(beginnt) FROM ' || NEW.typename |
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| 386 | || ' WHERE gml_id=''' || substr(NEW.replacedBy, 1, 16) || '''' |
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| 387 | || ' AND beginnt>''' || beginnt || '''' |
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| 388 | || ' AND endet IS NULL' |
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| 389 | INTO endete; |
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| 390 | neu_id := substr(NEW.replacedBy, 1, 16); |
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[299] | 391 | END IF; |
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[190] | 392 | END IF; |
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| 393 | |
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[331] | 394 | IF alt_id<>substr(neu_id, 1, 16) THEN |
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| 395 | RAISE NOTICE 'Objekt % wird durch Objekt % ersetzt.', alt_id, neu_id; |
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| 396 | END IF; |
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| 397 | |
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[211] | 398 | IF endete IS NULL THEN |
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[331] | 399 | RAISE NOTICE 'Kein Beginndatum fÃŒr Objekt % gefunden.', NEW.replacedBy; |
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[211] | 400 | END IF; |
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[331] | 401 | |
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| 402 | IF endete IS NULL OR beginnt=endete THEN |
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| 403 | RAISE EXCEPTION 'Objekt % wird durch Objekt % ersetzt (leere Lebensdauer?).', alt_id, neu_id; |
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| 404 | END IF; |
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| 405 | ELSIF NEW.context='update' THEN |
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| 406 | endete := NEW.endet; |
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[211] | 407 | ELSE |
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[331] | 408 | RAISE EXCEPTION '%: UngÃŒltiger Kontext % (''delete'', ''replace'' oder ''update'' erwartet).', NEW.featureid, NEW.context; |
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[210] | 409 | END IF; |
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| 410 | |
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[331] | 411 | s := 'UPDATE ' || NEW.typename |
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| 412 | || ' SET endet=''' || endete || '''' |
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| 413 | || ',anlass=''' || coalesce(NEW.anlass,'000000') || '''' |
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| 414 | || ' WHERE gml_id=''' || NEW.featureid || '''' |
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| 415 | || ' AND beginnt=''' || beginnt || '''' |
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| 416 | || ' AND endet IS NULL'; |
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| 417 | EXECUTE s; |
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[190] | 418 | GET DIAGNOSTICS n = ROW_COUNT; |
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[331] | 419 | IF n=0 AND alt_id<>NEW.featureid THEN |
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| 420 | s := 'UPDATE ' || NEW.typename |
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| 421 | || ' SET endet=''' || endete || '''' |
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| 422 | || ',anlass=''' || coalesce(NEW.anlass,'000000') || '''' |
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| 423 | || ' WHERE gml_id=''' || alt_id || '''' |
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| 424 | || ' AND beginnt=''' || beginnt || '''' |
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| 425 | || ' AND endet IS NULL'; |
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| 426 | EXECUTE s; |
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| 427 | GET DIAGNOSTICS n = ROW_COUNT; |
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| 428 | END IF; |
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| 429 | |
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[190] | 430 | IF n<>1 THEN |
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[331] | 431 | RAISE NOTICE 'SQL[%<>1]: %', n, s; |
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[190] | 432 | IF NEW.context = 'delete' OR NEW.safetoignore = 'true' THEN |
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[331] | 433 | RAISE NOTICE '%: Untergangsdatum von % Objekten statt einem auf % gesetzt - ignoriert', NEW.featureid, n, endete; |
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[190] | 434 | NEW.ignored := true; |
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| 435 | RETURN NEW; |
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[331] | 436 | ELSIF n=0 THEN |
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| 437 | EXECUTE 'SELECT endet FROM ' || NEW.typename || |
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| 438 | ' WHERE gml_id=''' || alt_id || '''' || |
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| 439 | ' AND beginnt=''' || beginnt || '''' |
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| 440 | INTO endete; |
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| 441 | |
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| 442 | IF NOT endete IS NULL THEN |
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| 443 | RAISE NOTICE '%: Objekt bereits % untergegangen - ignoriert', NEW.featureid, endete; |
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| 444 | ELSE |
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| 445 | RAISE NOTICE '%: Objekt nicht gefunden - ignoriert', NEW.featureid; |
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| 446 | END IF; |
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| 447 | |
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| 448 | NEW.ignored := true; |
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| 449 | RETURN NEW; |
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[190] | 450 | ELSE |
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[331] | 451 | RAISE EXCEPTION '%: Untergangsdatum von % Objekten statt einem auf % gesetzt - Abbruch', NEW.featureid, n, endete; |
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[190] | 452 | END IF; |
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| 453 | END IF; |
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| 454 | |
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| 455 | NEW.ignored := false; |
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| 456 | RETURN NEW; |
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| 457 | END; |
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| 458 | $$ LANGUAGE plpgsql; |
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| 459 | |
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[330] | 460 | |
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| 461 | -- 2014-09-04: Version 0.8 ohne "alkis_beziehungen"-Tabelle |
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| 462 | CREATE OR REPLACE FUNCTION delete_feature_kill() RETURNS TRIGGER AS $$ |
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| 463 | DECLARE |
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| 464 | begsql TEXT; |
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| 465 | aktbeg TEXT; |
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| 466 | gml_id TEXT; |
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| 467 | BEGIN |
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| 468 | NEW.typename := lower(NEW.typename); -- Objektart=Tabellen-Name |
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| 469 | NEW.context := lower(NEW.context); -- Operation 'delete'/'replace'/'update' |
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| 470 | gml_id := substr(NEW.featureid, 1, 16); -- ID-Teil der gml_id, ohne Timestamp |
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[314] | 471 | |
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[330] | 472 | IF NEW.context IS NULL THEN |
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| 473 | NEW.context := 'delete'; -- default |
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| 474 | END IF; |
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| 475 | IF NEW.context='delete' THEN -- Löschen des Objektes |
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| 476 | -- In der Objekt-Tabelle |
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| 477 | EXECUTE 'DELETE FROM ' || NEW.typename || ' WHERE gml_id like ''' || gml_id || '%'''; |
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| 478 | --RAISE NOTICE 'Lösche gml_id % in %', gml_id, NEW.typename; |
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| 479 | ELSE -- Ersetzen des Objektes (Replace). In der Objekt-Tabelle sind jetzt bereits 2 Objekte vorhanden (alt und neu). |
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| 480 | |
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| 481 | -- beginnt-Wert des aktuellen Objektes ermitteln |
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| 482 | begsql := 'SELECT max(beginnt) FROM ' || NEW.typename || ' WHERE gml_id like ''' || substr(NEW.replacedBy, 1, 16) || '%'' AND endet IS NULL'; |
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| 483 | EXECUTE begsql INTO aktbeg; |
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| 484 | |
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| 485 | -- Alte Objekte entfernen |
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| 486 | EXECUTE 'DELETE FROM ' || NEW.typename || ' WHERE gml_id like ''' || gml_id || '%'' AND beginnt < ''' || aktbeg || ''''; |
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| 487 | |
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| 488 | END IF; |
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| 489 | |
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| 490 | NEW.ignored := false; |
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| 491 | RETURN NEW; |
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| 492 | END; |
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| 493 | $$ LANGUAGE plpgsql; |
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| 494 | |
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| 495 | |
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[192] | 496 | -- BeziehungssÀtze aufrÀumen |
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[331] | 497 | /* |
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[192] | 498 | CREATE OR REPLACE FUNCTION alkis_beziehung_inserted() RETURNS TRIGGER AS $$ |
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| 499 | BEGIN |
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| 500 | DELETE FROM alkis_beziehungen WHERE ogc_fid<NEW.ogc_fid AND beziehung_von=NEW.beziehung_von AND beziehungsart=NEW.beziehungsart AND beziehung_zu=NEW.beziehung_zu; |
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| 501 | RETURN NEW; |
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| 502 | END; |
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| 503 | $$ LANGUAGE plpgsql; |
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[331] | 504 | */ |
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[190] | 505 | |
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[314] | 506 | |
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[190] | 507 | -- Wenn die Datenbank MIT Historie angelegt wurde, kann nach dem Laden hiermit aufgerÀumt werden. |
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| 508 | CREATE OR REPLACE FUNCTION alkis_delete_all_endet() RETURNS void AS $$ |
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| 509 | DECLARE |
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| 510 | c RECORD; |
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| 511 | BEGIN |
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[192] | 512 | -- In allen Tabellen die Objekte löschen, die ein Ende-Datum haben |
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[190] | 513 | FOR c IN |
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| 514 | SELECT table_name |
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[330] | 515 | FROM information_schema.columns a |
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[190] | 516 | WHERE a.column_name='endet' |
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[330] | 517 | AND a.is_updatable='YES' -- keine Views, die endet-Spalte haben |
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[190] | 518 | ORDER BY table_name |
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| 519 | LOOP |
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| 520 | EXECUTE 'DELETE FROM ' || c.table_name || ' WHERE NOT endet IS NULL'; |
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| 521 | -- RAISE NOTICE 'Lösche ''endet'' in: %', c.table_name; |
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| 522 | END LOOP; |
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| 523 | END; |
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| 524 | $$ LANGUAGE plpgsql; |
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[299] | 525 | |
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| 526 | |
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[314] | 527 | -- Wenn die Datenbank ohne Historie gefÃŒhrt wird, ist das Feld "identifier" verzichtbar. |
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| 528 | -- Diese wird nur von der Trigger-Version fÃŒr die Version MIT Historie verwendet. |
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| 529 | -- Es kann aus allen Tabellen entfernt werden. |
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| 530 | CREATE OR REPLACE FUNCTION alkis_drop_all_identifier() RETURNS void AS $$ |
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[299] | 531 | DECLARE |
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[314] | 532 | c RECORD; |
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[299] | 533 | BEGIN |
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[314] | 534 | FOR c IN |
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| 535 | SELECT table_name |
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| 536 | FROM information_schema.columns a |
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| 537 | WHERE a.column_name='identifier' |
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| 538 | ORDER BY table_name |
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| 539 | LOOP |
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| 540 | EXECUTE 'ALTER TABLE ' || c.table_name || ' DROP COLUMN identifier'; |
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| 541 | RAISE NOTICE 'Entferne ''identifier'' aus: %', c.table_name; |
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| 542 | END LOOP; |
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| 543 | END; |
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| 544 | $$ LANGUAGE plpgsql; |
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[299] | 545 | |
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| 546 | |
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[314] | 547 | -- Funktion zum Ermitteln der letzten import_id |
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| 548 | CREATE OR REPLACE FUNCTION get_import_id() RETURNS TRIGGER AS $$ |
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| 549 | BEGIN |
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| 550 | EXECUTE 'SELECT max(id) FROM import' INTO NEW.import_id; |
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[299] | 551 | RETURN NEW; |
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| 552 | END; |
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[314] | 553 | $$ LANGUAGE plpgsql; |
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