Entity primary keys are now forcibly sequence generated

src/main/kotlin/uk/co/neviyn/booru/Entity.kt

@@ -11,6 +11,7 @@ import javax.persistence.JoinColumn
 import javax.persistence.JoinTable
 import javax.persistence.ManyToMany
 import javax.persistence.ManyToOne
+import javax.persistence.SequenceGenerator
 import javax.validation.constraints.Pattern
 
 @Entity
@@ -30,14 +31,20 @@ open class Member(
         inverseJoinColumns = [JoinColumn(name = "role_id", referencedColumnName = "id")]
     )
     open var roles: MutableSet<Role> = mutableSetOf(),
-    @Id @GeneratedValue(strategy = GenerationType.IDENTITY) open var id: Long = -1
+    @Id
+    @SequenceGenerator(name="member_id_seq", sequenceName = "member_id_seq", allocationSize = 1)
+    @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "member_id_seq")
+    open var id: Long = -1
 )
 
 @Entity
 open class Role(
     @Column(unique = true)
     open var name: String = "",
-    @Id @GeneratedValue(strategy = GenerationType.IDENTITY) open var id: Long = -1
+    @Id
+    @SequenceGenerator(name="role_id_seq", sequenceName = "role_id_seq", allocationSize = 1)
+    @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "role_id_seq")
+    open var id: Long = -1
 )
 
 @Entity
@@ -54,7 +61,10 @@ open class Image(
         inverseJoinColumns = [JoinColumn(name = "tag_id", referencedColumnName = "id")]
     )
     open var tags: MutableSet<Tag> = mutableSetOf(),
-    @Id @GeneratedValue(strategy = GenerationType.IDENTITY) open var id: Long = -1
+    @Id
+    @SequenceGenerator(name="image_id_seq", sequenceName = "image_id_seq", allocationSize = 1)
+    @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "image_id_seq")
+    open var id: Long = -1
 )
 
 @Entity
@@ -62,5 +72,8 @@ open class Tag(
     @Column(unique = true)
     @Pattern(regexp = "[a-zA-Z0-9_]*") // Only allow alphanumeric and underscores
     open var tag: String = "",
-    @Id @GeneratedValue(strategy = GenerationType.IDENTITY) open var id: Long = -1
+    @Id
+    @SequenceGenerator(name="tag_id_seq", sequenceName = "tag_id_seq", allocationSize = 1)
+    @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "tag_id_seq")
+    open var id: Long = -1
 )

src/main/resources/db/migration/V1_0__Database_Init.sql

@@ -1,19 +1,19 @@
-DROP SCHEMA IF EXISTS booru CASCADE ;
+DROP SCHEMA IF EXISTS booru CASCADE;
 
 CREATE SCHEMA booru;
 
 CREATE TABLE booru.member
 (
-    id       bigint  NOT NULL PRIMARY KEY,
+    id       bigserial NOT NULL PRIMARY KEY,
     name     varchar   NOT NULL UNIQUE,
     email    varchar   NOT NULL,
     password varchar   NOT NULL,
-    enabled  boolean
+    enabled  boolean   NOT NULL
 );
 
 CREATE TABLE booru.image
 (
-    id bigint NOT NULL PRIMARY KEY,
+    id       bigserial NOT NULL PRIMARY KEY,
     filename varchar   NOT NULL UNIQUE,
     uploader bigint    NOT NULL,
     CONSTRAINT uploader FOREIGN KEY (uploader) REFERENCES booru.member (id)
@@ -21,13 +21,13 @@ CREATE TABLE booru.image
 
 CREATE TABLE booru.role
 (
-    id   bigint  NOT NULL PRIMARY KEY,
+    id   bigserial NOT NULL PRIMARY KEY,
     name varchar   NOT NULL
 );
 
 CREATE TABLE booru.tag
 (
-    id  bigint  NOT NULL PRIMARY KEY,
+    id  bigserial NOT NULL PRIMARY KEY,
     tag varchar   NOT NULL UNIQUE
 );
 
@@ -48,12 +48,17 @@ CREATE TABLE booru.member_roles
     CONSTRAINT member FOREIGN KEY (member_id) REFERENCES booru.member (id)
 );
 
+CREATE SEQUENCE IF NOT EXISTS booru.member_id_seq START WITH 1 INCREMENT BY 1;
+CREATE SEQUENCE IF NOT EXISTS booru.image_id_seq START WITH 1 INCREMENT BY 1;
+CREATE SEQUENCE IF NOT EXISTS booru.role_id_seq START WITH 1 INCREMENT BY 1;
+CREATE SEQUENCE IF NOT EXISTS booru.tag_id_seq START WITH 1 INCREMENT BY 1;
+
 -- Populate default values
-INSERT INTO booru.role (id, name)
-VALUES (1, 'ADMIN'),
-       (2, 'USER');
-INSERT INTO booru.member (id, name, email, password, enabled)
-VALUES (1, 'root', 'root@example.org', '$2a$10$XiMxQ1Qe.AprOdJKUPum6O2URy2b4ogffujVZVpUT8CJPksfSyNZK', TRUE);
+INSERT INTO booru.role (name)
+VALUES ('ADMIN'),
+       ('USER');
+INSERT INTO booru.member (name, email, password, enabled)
+VALUES ('root', 'root@example.org', '$2a$10$XiMxQ1Qe.AprOdJKUPum6O2URy2b4ogffujVZVpUT8CJPksfSyNZK', TRUE);
 INSERT INTO booru.member_roles (member_id, role_id)
 VALUES (1, 1),
        (1, 2);

src/test/resources/application.properties

@@ -1,3 +1,3 @@
-spring.datasource.url=jdbc:h2:mem:testdb
+spring.datasource.url=jdbc:h2:mem:testdb;MODE=PostgreSQL
 spring.datasource.driverClassName=org.h2.Driver
 images.directory=./images