añadido sistema de migraciones

src/main/resources/application.properties

@@ -92,3 +92,13 @@ spring.jpa.properties.hibernate.jdbc.time_zone=UTC
 # PDF Templates
 imprimelibros.pdf.templates.PRESUPUESTO_presupuesto-a4=imprimelibros/pdf/presupuesto-a4
 imprimelibros.pdf.templates.FACTURA_factura-a4=imprimelibros/pdf/factura-a4
+
+# Liquibase
+spring.liquibase.enabled=true
+spring.liquibase.change-log=classpath:db/changelog/master.yml
+# Si quieres especificar el schema por defecto:
+# spring.liquibase.default-schema=imprimelibros
+# Si necesitas parámetros de conexión distintos a los de Spring Data (no suele hacer falta):
+# spring.liquibase.url=jdbc:mysql://localhost:3306/imprimelibros
+# spring.liquibase.user=tu_user
+# spring.liquibase.password=tu_pass

src/main/resources/db/changelog/changesets/0002-create-pedidos.yml

@@ -0,0 +1,146 @@
+databaseChangeLog:
+  - changeSet:
+      id: 0002-create-pedidos
+      author: jjo
+
+      preConditions:
+        - not:
+            tableExists:
+              tableName: pedidos
+
+      changes:
+        - createTable:
+            tableName: pedidos
+            columns:
+              - column:
+                  name: id
+                  type: BIGINT AUTO_INCREMENT
+                  constraints:
+                    primaryKey: true
+                    primaryKeyName: pk_pedidos
+              - column:
+                  name: presupuesto_id
+                  type: BIGINT
+                  constraints:
+                    nullable: false
+              - column:
+                  name: created_by
+                  type: BIGINT
+                  constraints:
+                    nullable: true
+              - column:
+                  name: updated_by
+                  type: BIGINT
+                  constraints:
+                    nullable: true
+              - column:
+                  name: deleted_by
+                  type: BIGINT
+                  constraints:
+                    nullable: true
+              - column:
+                  name: deleted
+                  type: TINYINT(1)
+                  defaultValueNumeric: 0
+                  constraints:
+                    nullable: false
+              - column:
+                  name: created_at
+                  type: TIMESTAMP
+                  defaultValueComputed: CURRENT_TIMESTAMP
+                  constraints:
+                    nullable: false
+              - column:
+                  name: updated_at
+                  type: TIMESTAMP
+                  defaultValueComputed: CURRENT_TIMESTAMP
+                  constraints:
+                    nullable: false
+              - column:
+                  name: deleted_at
+                  type: TIMESTAMP
+                  constraints:
+                    nullable: true
+
+        # Forzamos ON UPDATE para updated_at (MySQL/MariaDB)
+        - sql:
+            dbms: mysql
+            splitStatements: false
+            sql: |
+              ALTER TABLE pedidos
+              MODIFY COLUMN updated_at TIMESTAMP NOT NULL
+                DEFAULT CURRENT_TIMESTAMP
+                ON UPDATE CURRENT_TIMESTAMP;
+
+        # Índices
+        - createIndex:
+            tableName: pedidos
+            indexName: idx_pedidos_presupuesto
+            columns:
+              - column:
+                  name: presupuesto_id
+        - createIndex:
+            tableName: pedidos
+            indexName: idx_pedidos_deleted
+            columns:
+              - column:
+                  name: deleted
+
+        # Claves foráneas (ajusta nombres si difieren)
+        - addForeignKeyConstraint:
+            baseTableName: pedidos
+            baseColumnNames: presupuesto_id
+            constraintName: fk_pedidos_presupuesto
+            referencedTableName: presupuesto
+            referencedColumnNames: id
+            onDelete: RESTRICT
+            onUpdate: RESTRICT
+
+        - addForeignKeyConstraint:
+            baseTableName: pedidos
+            baseColumnNames: created_by
+            constraintName: fk_pedidos_created_by
+            referencedTableName: users
+            referencedColumnNames: id
+            onDelete: SET NULL
+            onUpdate: RESTRICT
+
+        - addForeignKeyConstraint:
+            baseTableName: pedidos
+            baseColumnNames: updated_by
+            constraintName: fk_pedidos_updated_by
+            referencedTableName: users
+            referencedColumnNames: id
+            onDelete: SET NULL
+            onUpdate: RESTRICT
+
+        - addForeignKeyConstraint:
+            baseTableName: pedidos
+            baseColumnNames: deleted_by
+            constraintName: fk_pedidos_deleted_by
+            referencedTableName: users
+            referencedColumnNames: id
+            onDelete: SET NULL
+            onUpdate: RESTRICT
+
+      rollback:
+        - dropForeignKeyConstraint:
+            baseTableName: pedidos
+            constraintName: fk_pedidos_deleted_by
+        - dropForeignKeyConstraint:
+            baseTableName: pedidos
+            constraintName: fk_pedidos_updated_by
+        - dropForeignKeyConstraint:
+            baseTableName: pedidos
+            constraintName: fk_pedidos_created_by
+        - dropForeignKeyConstraint:
+            baseTableName: pedidos
+            constraintName: fk_pedidos_presupuesto
+        - dropIndex:
+            tableName: pedidos
+            indexName: idx_pedidos_deleted
+        - dropIndex:
+            tableName: pedidos
+            indexName: idx_pedidos_presupuesto
+        - dropTable:
+            tableName: pedidos

src/main/resources/db/changelog/master.yml

@@ -0,0 +1,5 @@
+databaseChangeLog:
+  - include:
+      file: db/changelog/changesets/0001-baseline.yml
+  - include:
+      file: db/changelog/changesets/0002-create-pedidos.yml