Modelle hinzugefügt

migrations/20240530193519_typen.up.sql

@@ -1,5 +1,5 @@
 -- Add up migration script here
-CREATE TABLE typen (
+CREATE TABLE IF NOT EXISTS typen (
   typ_id SERIAL PRIMARY KEY,
   name VARCHAR NOT NULL
 );

migrations/20240530193528_hersteller.up.sql

@@ -1,5 +1,5 @@
 -- Add up migration script here
-CREATE TABLE hersteller (
+CREATE TABLE IF NOT EXISTS hersteller (
   hersteller_id SERIAL PRIMARY KEY,
   name VARCHAR NOT NULL
 );

migrations/20240530193533_modelle.up.sql

@@ -1,9 +1,9 @@
 -- Add up migration script here
-CREATE TABLE modelle (
+CREATE TABLE IF NOT EXISTS modelle (
   modell_id SERIAL PRIMARY KEY,
   name VARCHAR NOT NULL,
   typ_id SERIAL,
   hersteller_id SERIAL,
-  CONSTRAINT fk_typ FOREIGN KEY(typ_id) REFERENCES typen(typ_id),
-  CONSTRAINT fk_hersteller FOREIGN KEY (hersteller_id) REFERENCES hersteller(hersteller_id)
+  CONSTRAINT fk_typ FOREIGN KEY(typ_id) REFERENCES typen(typ_id) ON DELETE NO ACTION ON UPDATE NO ACTION,
+  CONSTRAINT fk_hersteller FOREIGN KEY (hersteller_id) REFERENCES hersteller(hersteller_id) ON DELETE NO ACTION ON UPDATE NO ACTION
 )