[190] | 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 | |
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[192] | 111 | RETURN r; |
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[190] | 112 | END; |
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| 113 | $$ LANGUAGE plpgsql; |
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| 114 | |
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| 115 | -- Alle ALKIS-Tabellen leeren |
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| 116 | SELECT alkis_dropobject('alkis_delete'); |
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| 117 | CREATE FUNCTION alkis_delete() RETURNS varchar AS $$ |
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| 118 | DECLARE |
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| 119 | c RECORD; |
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| 120 | r varchar; |
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| 121 | d varchar; |
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| 122 | BEGIN |
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| 123 | r := ''; |
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| 124 | d := ''; |
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| 125 | |
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| 126 | -- drop views |
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| 127 | FOR c IN |
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| 128 | SELECT table_name |
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| 129 | FROM information_schema.tables |
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| 130 | WHERE table_schema='public' AND table_type='BASE TABLE' |
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| 131 | AND ( substr(table_name,1,3) IN ('ax_','ap_','ks_') |
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| 132 | OR table_name IN ('alkis_beziehungen','delete') ) |
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| 133 | LOOP |
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| 134 | r := r || d || c.table_name || ' wurde geleert.'; |
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| 135 | EXECUTE 'DELETE FROM '||c.table_name; |
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| 136 | d := E'\n'; |
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| 137 | END LOOP; |
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| 138 | |
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| 139 | RETURN r; |
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| 140 | END; |
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| 141 | $$ LANGUAGE plpgsql; |
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| 142 | |
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| 143 | -- Ãbersicht erzeugen, die alle alkis_beziehungen mit den Typen der beteiligen ALKIS-Objekte versieht |
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| 144 | SELECT alkis_dropobject('alkis_mviews'); |
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| 145 | CREATE FUNCTION alkis_mviews() RETURNS varchar AS $$ |
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| 146 | DECLARE |
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| 147 | sql TEXT; |
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| 148 | delim TEXT; |
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| 149 | c RECORD; |
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| 150 | BEGIN |
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| 151 | SELECT alkis_dropobject('vbeziehungen') INTO sql; |
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| 152 | SELECT alkis_dropobject('vobjekte') INTO sql; |
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| 153 | |
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| 154 | delim := ''; |
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| 155 | sql := 'CREATE VIEW vobjekte AS '; |
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| 156 | |
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| 157 | 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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| 158 | sql := sql || delim || 'SELECT gml_id,beginnt,''' || c.table_name || ''' AS table_name FROM ' || c.table_name; |
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| 159 | delim := ' UNION '; |
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| 160 | END LOOP; |
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| 161 | |
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| 162 | EXECUTE sql; |
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| 163 | |
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| 164 | -- CREATE UNIQUE INDEX vobjekte_gmlid ON vobjekte(gml_id,beginnt); |
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| 165 | -- CREATE INDEX vobjekte_table ON vobjekte(table_name); |
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| 166 | |
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| 167 | CREATE VIEW vbeziehungen AS |
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| 168 | SELECT beziehung_von,(SELECT table_name FROM vobjekte WHERE gml_id=beziehung_von) AS typ_von |
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| 169 | ,beziehungsart |
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| 170 | ,beziehung_zu,(SELECT table_name FROM vobjekte WHERE gml_id=beziehung_zu) AS typ_zu |
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| 171 | FROM alkis_beziehungen; |
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| 172 | |
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| 173 | -- CREATE INDEX vbeziehungen_von ON vbeziehungen(beziehung_von); |
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| 174 | -- CREATE INDEX vbeziehungen_vontyp ON vbeziehungen(typ_von); |
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| 175 | -- CREATE INDEX vbeziehungen_art ON vbeziehungen(beziehungsart); |
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| 176 | -- CREATE INDEX vbeziehungen_zu ON vbeziehungen(beziehung_zu); |
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| 177 | -- CREATE INDEX vbeziehungen_zutyp ON vbeziehungen(typ_zu); |
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| 178 | |
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| 179 | RETURN 'ALKIS-Views erzeugt.'; |
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| 180 | END; |
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| 181 | $$ LANGUAGE plpgsql; |
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| 182 | |
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| 183 | -- Indizes erzeugen |
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| 184 | SELECT alkis_dropobject('alkis_update_schema'); |
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| 185 | CREATE FUNCTION alkis_update_schema() RETURNS varchar AS $$ |
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| 186 | DECLARE |
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| 187 | sql TEXT; |
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| 188 | c RECORD; |
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| 189 | i RECORD; |
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| 190 | n INTEGER; |
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| 191 | BEGIN |
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| 192 | -- Spalten in delete ergÀnzen |
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| 193 | SELECT count(*) INTO n FROM information_schema.columns WHERE table_schema='public' AND table_name='delete' AND column_name='ignored'; |
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| 194 | IF n=0 THEN |
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| 195 | ALTER TABLE "delete" ADD ignored BOOLEAN; |
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| 196 | END IF; |
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| 197 | |
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| 198 | SELECT count(*) INTO n FROM information_schema.columns WHERE table_schema='public' AND table_name='delete' AND column_name='context'; |
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| 199 | IF n=0 THEN |
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| 200 | ALTER TABLE "delete" ADD context VARCHAR; |
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| 201 | END IF; |
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| 202 | |
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| 203 | SELECT count(*) INTO n FROM information_schema.columns WHERE table_schema='public' AND table_name='delete' AND column_name='safetoignore'; |
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| 204 | IF n=0 THEN |
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| 205 | ALTER TABLE "delete" ADD safetoignore VARCHAR; |
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| 206 | END IF; |
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| 207 | |
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| 208 | SELECT count(*) INTO n FROM information_schema.columns WHERE table_schema='public' AND table_name='delete' AND column_name='replacedby'; |
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| 209 | IF n=0 THEN |
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| 210 | ALTER TABLE "delete" ADD replacedBy VARCHAR; |
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| 211 | END IF; |
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| 212 | |
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| 213 | -- Spalte identifier ergÀnzen, wo sie fehlt |
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| 214 | FOR c IN SELECT table_name FROM information_schema.columns a WHERE a.column_name='gml_id' |
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| 215 | 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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| 216 | 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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| 217 | LOOP |
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| 218 | EXECUTE 'ALTER TABLE ' || c.table_name || ' ADD identifier character(44)'; |
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| 219 | END LOOP; |
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| 220 | |
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| 221 | -- Spalte endet ergÀnzen, wo sie fehlt |
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| 222 | FOR c IN SELECT table_name FROM information_schema.columns a WHERE a.column_name='gml_id' |
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| 223 | 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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| 224 | 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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| 225 | LOOP |
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| 226 | EXECUTE 'ALTER TABLE ' || c.table_name || ' ADD endet character(20) CHECK (endet>beginnt)'; |
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| 227 | END LOOP; |
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| 228 | |
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| 229 | -- Lebensdauer-Constraint ergÀnzen |
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| 230 | FOR c IN SELECT table_name FROM information_schema.columns a WHERE a.column_name='gml_id' |
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| 231 | 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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| 232 | 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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| 233 | LOOP |
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| 234 | SELECT alkis_dropobject(c.table_name||'_lebensdauer'); |
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| 235 | EXECUTE 'ALTER TABLE ' || c.table_name || ' ADD CONSTRAINT ' || c.table_name || '_lebensdauer CHECK (beginnt IS NOT NULL AND endet>beginnt)'; |
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| 236 | END LOOP; |
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| 237 | |
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| 238 | -- Indizes aktualisieren |
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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 | LOOP |
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| 242 | -- Vorhandene Indizes droppen (TODO: Löscht auch die SonderfÀlle - entfernen) |
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| 243 | 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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| 244 | EXECUTE 'DROP INDEX ' || i.indexname; |
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| 245 | END LOOP; |
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| 246 | |
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| 247 | -- Indizes erzeugen |
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| 248 | EXECUTE 'CREATE UNIQUE INDEX ' || c.table_name || '_id ON ' || c.table_name || '(gml_id,beginnt)'; |
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| 249 | EXECUTE 'CREATE UNIQUE INDEX ' || c.table_name || '_ident ON ' || c.table_name || '(identifier)'; |
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| 250 | EXECUTE 'CREATE INDEX ' || c.table_name || '_gmlid ON ' || c.table_name || '(gml_id)'; |
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| 251 | EXECUTE 'CREATE INDEX ' || c.table_name || '_beginnt ON ' || c.table_name || '(beginnt)'; |
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| 252 | EXECUTE 'CREATE INDEX ' || c.table_name || '_endet ON ' || c.table_name || '(endet)'; |
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| 253 | END LOOP; |
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| 254 | |
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| 255 | -- Geometrieindizes 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='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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| 258 | LOOP |
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| 259 | EXECUTE 'CREATE INDEX ' || c.table_name || '_geom ON ' || c.table_name || ' USING GIST (wkb_geometry)'; |
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| 260 | END LOOP; |
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| 261 | |
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| 262 | RETURN 'Schema aktualisiert.'; |
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| 263 | END; |
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| 264 | $$ LANGUAGE plpgsql; |
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| 265 | |
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[192] | 266 | -- Im Trigger 'delete_feature_trigger' muss eine dieser beiden Funktionen |
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| 267 | -- (delete_feature_hist oder delete_feature_kill) verlinkt werden, je nachdem ob nur |
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| 268 | -- aktuelle oder auch historische Objekte in der Datenbank gefÃŒhrt werden sollen. |
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[190] | 269 | |
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| 270 | -- Löschsatz verarbeiten (MIT Historie) |
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| 271 | -- context='delete' => "endet" auf aktuelle Zeit setzen |
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| 272 | -- context='replace' => "endet" des ersetzten auf "beginnt" des neuen Objekts setzen |
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| 273 | CREATE OR REPLACE FUNCTION delete_feature_hist() RETURNS TRIGGER AS $$ |
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| 274 | DECLARE |
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[210] | 275 | s TEXT; |
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| 276 | alt_id TEXT; |
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| 277 | neu_id TEXT; |
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| 278 | beginnt TEXT; |
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[190] | 279 | endete TEXT; |
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| 280 | n INTEGER; |
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| 281 | BEGIN |
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| 282 | NEW.context := lower(NEW.context); |
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| 283 | IF NEW.context IS NULL THEN |
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| 284 | NEW.context := 'delete'; |
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| 285 | END IF; |
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| 286 | |
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[210] | 287 | -- TIMESTAMP weder in gml_id noch identifier verlÀÃlich. |
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| 288 | -- also ggf. aus Datenbank holen |
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| 289 | |
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| 290 | IF length(NEW.featureid)=32 THEN |
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| 291 | alt_id := substr(NEW.featureid, 1, 16); |
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| 292 | |
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| 293 | IF NEW.featureid<>NEW.replacedBy THEN |
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| 294 | -- Beginnt-Datum aus Timestamp |
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| 295 | beginnt := substr(NEW.featureid, 17, 4) || '-' |
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| 296 | || substr(NEW.featureid, 21, 2) || '-' |
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| 297 | || substr(NEW.featureid, 23, 2) || 'T' |
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| 298 | || substr(NEW.featureid, 26, 2) || ':' |
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| 299 | || substr(NEW.featureid, 28, 2) || ':' |
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| 300 | || substr(NEW.featureid, 30, 2) || 'Z' |
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| 301 | ; |
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| 302 | END IF; |
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| 303 | ELSIF length(NEW.featureid)=16 THEN |
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| 304 | alt_id := NEW.featureid; |
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| 305 | ELSE |
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| 306 | RAISE EXCEPTION '%: LÀnge 16 oder 32 statt % erwartet.', NEW.featureid, length(NEW.featureid); |
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| 307 | END IF; |
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| 308 | |
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| 309 | IF beginnt IS NULL THEN |
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| 310 | -- Beginnt-Datum des Àltesten Eintrag, der nicht untergegangen ist |
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| 311 | -- => der Satz dessen 'endet' gesetzt werden muà |
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| 312 | EXECUTE 'SELECT min(beginnt) FROM ' || NEW.typename |
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| 313 | || ' WHERE gml_id=''' || alt_id || '''' |
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| 314 | || ' AND endet IS NULL' |
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| 315 | INTO beginnt; |
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| 316 | END IF; |
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| 317 | |
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[211] | 318 | IF beginnt IS NULL THEN |
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| 319 | IF NEW.context = 'delete' OR NEW.safetoignore = 'true' THEN |
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| 320 | RAISE NOTICE 'Kein Beginndatum fuer Objekt % gefunden - ignoriert.', alt_id; |
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| 321 | NEW.ignored := true; |
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| 322 | RETURN NEW; |
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| 323 | ELSE |
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| 324 | RAISE EXCEPTION 'Kein Beginndatum fuer Objekt % gefunden.', alt_id; |
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| 325 | END IF; |
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| 326 | END IF; |
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| 327 | |
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[190] | 328 | IF NEW.context='delete' THEN |
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| 329 | endete := to_char(CURRENT_TIMESTAMP AT TIME ZONE 'UTC','YYYY-MM-DD"T"HH24:MI:SS"Z"'); |
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| 330 | |
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| 331 | ELSIF NEW.context='replace' THEN |
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| 332 | NEW.safetoignore := lower(NEW.safetoignore); |
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| 333 | |
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| 334 | IF NEW.safetoignore IS NULL THEN |
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| 335 | RAISE EXCEPTION '%: safeToIgnore nicht gesetzt.', NEW.featureid; |
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| 336 | ELSIF NEW.safetoignore<>'true' AND NEW.safetoignore<>'false' THEN |
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| 337 | RAISE EXCEPTION '%: safeToIgnore ''%'' ungÃŒltig (''true'' oder ''false'' erwartet).', NEW.featureid, NEW.safetoignore; |
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| 338 | END IF; |
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| 339 | |
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[210] | 340 | IF length(NEW.replacedBy)=32 THEN |
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| 341 | -- Beginnt-Datum aus Timestamp |
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| 342 | neu_id := substr(NEW.replacedBy, 1, 16); |
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[190] | 343 | |
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[210] | 344 | IF NEW.featureid<>NEW.replacedBy THEN |
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| 345 | endete := substr(NEW.replacedBy, 17, 4) || '-' |
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| 346 | || substr(NEW.replacedBy, 21, 2) || '-' |
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| 347 | || substr(NEW.replacedBy, 23, 2) || 'T' |
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| 348 | || substr(NEW.replacedBy, 26, 2) || ':' |
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| 349 | || substr(NEW.replacedBy, 28, 2) || ':' |
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| 350 | || substr(NEW.replacedBy, 30, 2) || 'Z' |
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| 351 | ; |
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[192] | 352 | END IF; |
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[210] | 353 | ELSIF length(NEW.replacedBy)=16 THEN |
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| 354 | neu_id := NEW.replacedBy; |
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| 355 | ELSIF length(NEW.replacedBy)<>16 THEN |
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| 356 | RAISE EXCEPTION '%: LÀnge 16 oder 32 statt % erwartet.', NEW.replacedBy, length(NEW.replacedBy); |
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[190] | 357 | END IF; |
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| 358 | |
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| 359 | IF endete IS NULL THEN |
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[210] | 360 | -- Beginnt-Datum des neuesten Eintrag, der nicht untergegangen ist |
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| 361 | -- => Enddatum fÃŒr vorherigen Satz |
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| 362 | EXECUTE 'SELECT max(beginnt) FROM ' || NEW.typename |
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| 363 | || ' WHERE gml_id=''' || neu_id || '''' |
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| 364 | || ' AND beginnt>''' || beginnt || '''' |
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| 365 | || ' AND endet IS NULL' |
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| 366 | INTO endete; |
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[190] | 367 | END IF; |
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| 368 | |
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[211] | 369 | IF alt_id<>neu_id THEN |
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| 370 | RAISE NOTICE 'Objekt % wird durch Objekt % ersetzt.', alt_id, neu_id; |
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| 371 | END IF; |
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[210] | 372 | |
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[211] | 373 | IF endete IS NULL THEN |
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| 374 | RAISE NOTICE 'Kein Beginndatum fuer Objekt % gefunden.', neu_id; |
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| 375 | END IF; |
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[210] | 376 | |
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[211] | 377 | IF endete IS NULL OR beginnt=endete THEN |
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| 378 | RAISE EXCEPTION 'Objekt % wird durch Objekt % ersetzt (leere Lebensdauer?).', alt_id, neu_id; |
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| 379 | END IF; |
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| 380 | ELSE |
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| 381 | RAISE EXCEPTION '%: UngÃŒltiger Kontext % (''delete'' oder ''replace'' erwartet).', NEW.featureid, NEW.context; |
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[210] | 382 | END IF; |
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| 383 | |
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| 384 | s := 'UPDATE ' || NEW.typename |
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| 385 | || ' SET endet=''' || endete || '''' |
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| 386 | || ' WHERE gml_id=''' || alt_id || '''' |
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| 387 | || ' AND beginnt=''' || beginnt || '''' |
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| 388 | || ' AND endet IS NULL'; |
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| 389 | EXECUTE s; |
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[190] | 390 | GET DIAGNOSTICS n = ROW_COUNT; |
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| 391 | IF n<>1 THEN |
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[210] | 392 | RAISE NOTICE 'SQL: %', s; |
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[190] | 393 | IF NEW.context = 'delete' OR NEW.safetoignore = 'true' THEN |
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[210] | 394 | RAISE NOTICE '%: Untergangsdatum von % Objekten statt einem auf % gesetzt - ignoriert', NEW.featureid, n, endete; |
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[190] | 395 | NEW.ignored := true; |
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| 396 | RETURN NEW; |
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[210] | 397 | ELSIF n=0 THEN |
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| 398 | EXECUTE 'SELECT endet FROM ' || NEW.typename || |
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| 399 | ' WHERE gml_id=''' || alt_id || '''' || |
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| 400 | ' AND beginnt=''' || beginnt || '''' |
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| 401 | INTO endete; |
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| 402 | |
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| 403 | IF NOT endete IS NULL THEN |
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[211] | 404 | RAISE NOTICE '%: Objekt bereits % untergegangen - ignoriert', NEW.featureid, endete; |
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[210] | 405 | ELSE |
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| 406 | RAISE NOTICE '%: Objekt nicht gefunden - ignoriert', NEW.featureid; |
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| 407 | END IF; |
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| 408 | |
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| 409 | NEW.ignored := true; |
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| 410 | RETURN NEW; |
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[190] | 411 | ELSE |
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[210] | 412 | RAISE EXCEPTION '%: Untergangsdatum von % Objekten statt einem auf % gesetzt - Abbruch', NEW.featureid, n, endete; |
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[190] | 413 | END IF; |
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| 414 | END IF; |
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| 415 | |
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| 416 | NEW.ignored := false; |
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| 417 | RETURN NEW; |
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| 418 | END; |
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| 419 | $$ LANGUAGE plpgsql; |
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| 420 | |
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| 421 | |
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| 422 | -- Löschsatz verarbeiten (OHNE Historie) |
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| 423 | -- historische Objekte werden sofort gelöscht. |
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| 424 | -- Siehe Mail W. Jacobs vom 23.03.2012 in PostNAS-Mailingliste |
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| 425 | -- geaendert krz FJ 2012-10-31 |
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| 426 | CREATE OR REPLACE FUNCTION delete_feature_kill() RETURNS TRIGGER AS $$ |
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| 427 | DECLARE |
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| 428 | query TEXT; |
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| 429 | begsql TEXT; |
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| 430 | aktbeg TEXT; |
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| 431 | gml_id TEXT; |
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| 432 | BEGIN |
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| 433 | NEW.typename := lower(NEW.typename); |
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| 434 | NEW.context := lower(NEW.context); |
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| 435 | gml_id := substr(NEW.featureid, 1, 16); |
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| 436 | |
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| 437 | IF NEW.context IS NULL THEN |
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| 438 | NEW.context := 'delete'; |
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| 439 | END IF; |
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| 440 | |
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| 441 | IF NEW.context='delete' THEN |
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| 442 | -- ersatzloses Loeschen eines Objektes |
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| 443 | |
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| 444 | query := 'DELETE FROM ' || NEW.typename |
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| 445 | || ' WHERE gml_id = ''' || gml_id || ''''; |
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| 446 | EXECUTE query; |
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| 447 | |
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| 448 | query := 'DELETE FROM alkis_beziehungen WHERE beziehung_von = ''' || gml_id |
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| 449 | || ''' OR beziehung_zu = ''' || gml_id || ''''; |
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| 450 | EXECUTE query; |
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| 451 | RAISE NOTICE 'Lösche gml_id % in % und Beziehungen', gml_id, NEW.typename; |
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| 452 | |
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| 453 | ELSE |
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| 454 | -- Ersetzen eines Objektes |
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| 455 | -- In der objekt-Tabelle sind bereits 2 Objekte vorhanden (alt und neu). |
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| 456 | -- Die 2 DatensÀtze unterscheiden sich nur in ogc_fid und beginnt |
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| 457 | |
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[192] | 458 | -- beginnt-Wert des aktuellen Objektes ermitteln |
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[190] | 459 | -- RAISE NOTICE 'Suche beginnt von neuem gml_id % ', substr(NEW.replacedBy, 1, 16); |
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| 460 | begsql := 'SELECT max(beginnt) FROM ' || NEW.typename || ' WHERE gml_id = ''' || substr(NEW.replacedBy, 1, 16) || ''' AND endet IS NULL'; |
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| 461 | EXECUTE begsql INTO aktbeg; |
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| 462 | |
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| 463 | -- Nur alte Objekte entfernen |
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[192] | 464 | query := 'DELETE FROM ' || NEW.typename |
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[190] | 465 | || ' WHERE gml_id = ''' || gml_id || ''' AND beginnt < ''' || aktbeg || ''''; |
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| 466 | EXECUTE query; |
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| 467 | |
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| 468 | -- Tabelle alkis_beziehungen |
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| 469 | IF gml_id = substr(NEW.replacedBy, 1, 16) THEN -- gml_id gleich |
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| 470 | -- Beziehungen des Objektes wurden redundant noch einmal eingetragen |
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| 471 | -- ToDo: HIER sofort die Redundanzen zum aktuellen Objekt beseitigen. |
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[192] | 472 | -- Workaround: Nach der Konvertierung werden im Post-Processing |
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[190] | 473 | -- ALLE Redundanzen mit einem SQL-Statemant beseitigt. |
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| 474 | -- RAISE NOTICE 'Ersetze gleiche gml_id % in %', gml_id, NEW.typename; |
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| 475 | |
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| 476 | -- ENTWURF ungetestet: |
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[192] | 477 | --query := 'DELETE FROM alkis_beziehungen AS bezalt |
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[190] | 478 | -- WHERE (bezalt.beziehung_von = ' || gml_id || ' OR bezalt.beziehung_zu = ' || gml_id ||') |
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[192] | 479 | -- AND EXISTS (SELECT ogc_fid FROM alkis_beziehungen AS bezneu |
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| 480 | -- WHERE bezalt.beziehung_von = bezneu.beziehung_von |
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[190] | 481 | -- AND bezalt.beziehung_zu = bezneu.beziehung_zu |
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| 482 | -- AND bezalt.beziehungsart = bezneu.beziehungsart |
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| 483 | -- AND bezalt.ogc_fid < bezneu.ogc_fid);' |
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| 484 | --EXECUTE query; |
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| 485 | |
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| 486 | ELSE |
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| 487 | -- replace mit ungleicher gml_id |
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| 488 | -- Falls dies vorkommt, die Function erweitern |
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| 489 | RAISE EXCEPTION '%: neue gml_id % bei Replace in %. alkis_beziehungen muss aktualisiert werden!', gml_id, NEW.replacedBy, NEW.typename; |
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| 490 | END IF; |
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| 491 | END IF; |
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| 492 | |
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| 493 | NEW.ignored := false; |
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| 494 | RETURN NEW; |
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| 495 | END; |
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| 496 | $$ LANGUAGE plpgsql; |
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| 497 | |
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[192] | 498 | -- BeziehungssÀtze aufrÀumen |
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| 499 | CREATE OR REPLACE FUNCTION alkis_beziehung_inserted() RETURNS TRIGGER AS $$ |
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| 500 | BEGIN |
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| 501 | DELETE FROM alkis_beziehungen WHERE ogc_fid<NEW.ogc_fid AND beziehung_von=NEW.beziehung_von AND beziehungsart=NEW.beziehungsart AND beziehung_zu=NEW.beziehung_zu; |
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| 502 | RETURN NEW; |
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| 503 | END; |
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| 504 | $$ LANGUAGE plpgsql; |
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[190] | 505 | |
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| 506 | -- Wenn die Datenbank MIT Historie angelegt wurde, kann nach dem Laden hiermit aufgerÀumt werden. |
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| 507 | CREATE OR REPLACE FUNCTION alkis_delete_all_endet() RETURNS void AS $$ |
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| 508 | DECLARE |
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| 509 | c RECORD; |
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| 510 | BEGIN |
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[192] | 511 | -- In allen Tabellen die Objekte löschen, die ein Ende-Datum haben |
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[190] | 512 | FOR c IN |
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| 513 | SELECT table_name |
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| 514 | FROM information_schema.columns a |
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| 515 | WHERE a.column_name='endet' |
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| 516 | ORDER BY table_name |
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| 517 | LOOP |
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| 518 | EXECUTE 'DELETE FROM ' || c.table_name || ' WHERE NOT endet IS NULL'; |
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| 519 | -- RAISE NOTICE 'Lösche ''endet'' in: %', c.table_name; |
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| 520 | END LOOP; |
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| 521 | END; |
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| 522 | $$ LANGUAGE plpgsql; |
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