Added project

init_postgresql_db/schema-postgresql.sql

@@ -0,0 +1,35 @@
+DROP TABLE IF EXISTS personal_account_operations;
+DROP TABLE IF EXISTS employee_personal_accounts;
+DROP TABLE IF EXISTS employees;
+DROP SEQUENCE IF EXISTS seq_employees cascade;
+
+CREATE SEQUENCE seq_employees START 5000;
+
+CREATE TABLE employees
+(
+    id    BIGINT PRIMARY KEY DEFAULT nextval('seq_employees'),
+    name  VARCHAR NOT NULL,
+    email VARCHAR NOT NULL
+);
+CREATE UNIQUE INDEX employees_unique_email_idx ON employees (email);
+
+CREATE TABLE employee_personal_accounts (
+                                            id        BIGINT PRIMARY KEY DEFAULT nextval('seq_employees'),
+                                            employee_id BIGINT   NOT NULL,
+                                            personal_account VARCHAR  NOT NULL,
+                                            FOREIGN KEY (employee_id) REFERENCES employees (id) ON DELETE CASCADE
+);
+CREATE UNIQUE INDEX employee_personal_accounts_unique_employee_account_idx
+    ON employee_personal_accounts (employee_id, personal_account);
+
+CREATE TABLE personal_account_operations (
+                                             id                  BIGINT PRIMARY KEY DEFAULT nextval('seq_employees'),
+                                             personal_account_id     BIGINT   NOT NULL,
+                                             operation_date_time           TIMESTAMP NOT NULL,
+                                             operation_type      VARCHAR  NOT NULL,
+    -- Money data on PostgreSQL using Java https://stackoverflow.com/a/18170030
+                                             operation_value     DECIMAL NOT NULL,
+                                             FOREIGN KEY (personal_account_id) REFERENCES employee_personal_accounts (id) ON DELETE CASCADE
+);
+CREATE UNIQUE INDEX personal_account_operations_unique_account_datetime_idx
+    ON personal_account_operations (personal_account_id, operation_date_time);