Merge pull request #309 from sourav-18/fix-duplicate-admin-user

Fix duplicate admin user insertion on restart (PostgreSQL profile)

Author: vfedoriv

src/main/resources/db/postgres/data.sql

@@ -52,8 +52,8 @@ INSERT INTO visits (pet_id, visit_date, description) SELECT 8, '2011-03-04', 'ra
 INSERT INTO visits (pet_id, visit_date, description) SELECT 8, '2009-06-04', 'neutered' WHERE NOT EXISTS (SELECT * FROM visits WHERE id=3);
 INSERT INTO visits (pet_id, visit_date, description) SELECT 7, '2008-09-04', 'spayed' WHERE NOT EXISTS (SELECT * FROM visits WHERE id=4);
 
-INSERT INTO users(username, password, enabled) VALUES
-('admin', '$2a$10$ymaklWBnpBKlgdMgkjWVF.GMGyvH8aDuTK.glFOaKw712LHtRRymS', TRUE);
+INSERT INTO users(username, password, enabled) SELECT 'admin', '$2a$10$ymaklWBnpBKlgdMgkjWVF.GMGyvH8aDuTK.glFOaKw712LHtRRymS', TRUE
+WHERE NOT EXISTS (SELECT * FROM users WHERE username='admin');
 
 INSERT INTO roles (username, role) SELECT 'admin', 'ROLE_OWNER_ADMIN' WHERE NOT EXISTS (SELECT * FROM roles WHERE id=1);
 INSERT INTO roles (username, role) SELECT 'admin', 'ROLE_VET_ADMIN' WHERE NOT EXISTS (SELECT * FROM roles WHERE id=2);