anlage erster Tabellen für relationales Modell

bwi_sql/bwi_rel/bwi_rel_anlage.sql

+-- CONNECTION: url=jdbc:postgresql://localhost:5432/projekt_lfb
+-- New script in projekt_lfb.
+-- Date: 17.01.2025
+-- Time: 23:57:31
+-- Database: projekt_lfb            - target database name
+
+-- Aufbau relationales Schema bwi_r
+
+create schema bwi_r
+
+/* 1. Grundtabelle Trakt erstellen aus 
+ * - Tnr, Enr, Netz */
+
+-- einlesen der vorhandenen Daten
+
+-- bv_tnr ?
+select 
+--count(*)  --15002
+*
+from bwi_2022.bv_tnr bt 
+
+select 
+--count(*)  --7668
+--*
+distinct soll_rechtst 
+from bwi_2022.b3_tnr bt 
+
+-- Abfragekonstrukiton für b3_tnr
+SELECT 
+	tnr,
+    aufnbl, 
+    standardbl, 
+    TRIM(BOTH ' # ' FROM laender) AS laender, 
+    netz, 
+    netz64, 
+    ktg,
+    CASE 
+        WHEN soll_rechtst::text LIKE '4%' THEN 
+            ST_Transform(ST_SetSRID(ST_MakePoint(soll_rechtst, soll_hocht), 31468), 4326)
+        WHEN soll_rechtst::text LIKE '5%' THEN 
+            ST_Transform(ST_SetSRID(ST_MakePoint(soll_rechtst, soll_hocht), 31469), 4326)
+    END AS soll_geom
+FROM 
+    bwi_2022.b3_tnr bt;
+
+-- Tabellenspeicherung für b3_tnr
+drop table bwi_r.b3_tnr_geom
+
+create table bwi_r.b3_tnr_geom as
+SELECT 
+    tnr,
+    aufnbl, 
+    standardbl, 
+    TRIM(BOTH ' # ' FROM laender) AS laender, 
+    netz, 
+    netz64, 
+    ktg
+FROM 
+    bwi_2022.b3_tnr bt;
+   
+ 
+-- Primärschlüssel hinzufügen
+ALTER TABLE bwi_r.b3_tnr_geom
+ADD CONSTRAINT b3_tnr_geom_pkey PRIMARY KEY (tnr);
+
+-- Geometriespalte registrieren
+SELECT AddGeometryColumn('bwi_r', 'b3_tnr_geom', 'soll_geom', 4326, 'POINT', 2);
+
+-- Geometriespalte mit Daten füllen
+UPDATE bwi_r.b3_tnr_geom AS target
+SET soll_geom = CASE 
+    WHEN source.soll_rechtst::text LIKE '4%' THEN 
+        ST_Transform(ST_SetSRID(ST_MakePoint(source.soll_rechtst, source.soll_hocht), 31468), 4326)
+    WHEN source.soll_rechtst::text LIKE '5%' THEN 
+        ST_Transform(ST_SetSRID(ST_MakePoint(source.soll_rechtst, source.soll_hocht), 31469), 4326)
+END
+FROM bwi_2022.b3_tnr AS source
+WHERE target.tnr = source.tnr;
+
+-- Räumlichen Index erstellen
+CREATE INDEX b3_tnr_geom_soll_geom_idx
+ON bwi_r.b3_tnr_geom
+USING GIST (soll_geom);
+
+/* 2. Grundtabelle Ecke erstellen aus 
+ * - tnr,    enr,    wg,    wb,    hoenn */
+-- Tabellenspeicherung für b3_ecke
+drop table bwi_r.b3_ecke_geom
+
+create table bwi_r.b3_ecke_geom as
+SELECT --*
+    tnr,
+    enr,
+    wg,
+    wb,
+    hoenn
+--    aufnbl, 
+--    standardbl, 
+--    TRIM(BOTH ' # ' FROM laender) AS laender, 
+--    netz, 
+--    netz64, 
+--    ktg
+FROM 
+    bwi_2022.b3_ecke be ;
+   
+ 
+-- Primärschlüssel hinzufügen
+ALTER TABLE bwi_r.b3_ecke_geom
+ADD CONSTRAINT b3_tnr_ecke_pkey PRIMARY KEY (tnr, enr);
+
+-- Geometriespalte registrieren
+SELECT AddGeometryColumn('bwi_r', 'b3_ecke_geom', 'soll_geom', 4326, 'POINT', 2);
+
+-- Geometriespalte mit Daten füllen
+UPDATE bwi_r.b3_ecke_geom AS target
+SET soll_geom = ST_SetSRID(
+    ST_MakePoint(
+        REPLACE(source.soll_x_wgs84, ',', '.')::numeric,
+        REPLACE(source.soll_y_wgs84, ',', '.')::numeric
+    ), 
+    4326
+)
+FROM bwi_2022.b3_ecke AS source
+WHERE target.tnr = source.tnr AND target.enr = source.enr;
+
+
+-- Räumlichen Index erstellen
+CREATE INDEX b3_ecke_geom_soll_geom_idx
+ON bwi_r.b3_ecke_geom
+USING GIST (soll_geom);
+
+/* 3. Grundtabelle bwi_2022_Ist-Ecke erstellen aus 
+ * - Tnr, Enr, Netz */
+
+select *
+from bwi_2022.b3v_gps bvg 
+
+drop table bwi_r.bwi2022_ecke_istgeom;
+
+create table bwi_r.bwi2022_ecke_istgeom as 
+select 
+tnr, enr
+from bwi_2022.b3v_gps bvg 
+
+-- Primärschlüssel hinzufügen
+ALTER TABLE bwi_r.bwi2022_ecke_istgeom
+ADD CONSTRAINT bwi2022_ecke_istgeom_pkey PRIMARY KEY (tnr, enr);
+
+-- Geometriespalte registrieren
+SELECT AddGeometryColumn('bwi_r', 'bwi2022_ecke_istgeom', 'ist_geom', 4326, 'POINT', 2);
+
+-- Geometriespalte mit Daten füllen
+UPDATE bwi_r.bwi2022_ecke_istgeom AS target
+SET ist_geom = CASE
+    WHEN source.lat_med IS NOT NULL AND source.lon_med IS NOT NULL AND 
+         REPLACE(source.lat_med, ',', '.') ~ '^[0-9]+(\.[0-9]+)?$' AND 
+         REPLACE(source.lon_med, ',', '.') ~ '^[0-9]+(\.[0-9]+)?$'
+    THEN ST_SetSRID(
+        ST_MakePoint(
+            REPLACE(source.lon_med, ',', '.')::numeric,
+            REPLACE(source.lat_med, ',', '.')::numeric
+        ), 
+        4326
+    )
+    ELSE NULL
+END
+FROM bwi_2022.b3v_gps AS source
+WHERE target.tnr = source.tnr AND target.enr = source.enr;
+
+-- Räumlichen Index erstellen
+CREATE INDEX bwi2022_ecke_istgeom_idx
+ON bwi_r.bwi2022_ecke_istgeom
+USING GIST (ist_geom);
+
+
+
+
+select *
+from bwi_2022.b3v_ecke_feld bvef 
+
+select 
+tnr, enr, wa 
+from 
+bwi_2022.b3f_ecke_vorkl bfev 
+where bfev.wa between 1 and 5 -- Wald, siehe bwi_meta.x3_wa
+