#coding:utf-8 """ ID: fkey.primary.insert-09 FBTEST: functional.fkey.primary.insert_pk_09 TITLE: Check correct work fix with foreign key DESCRIPTION: Check foreign key work. Master table has primary key consisting of several fields. Master transaction modifies all primary key fields. Detail transaction inserts record in detail_table. Expected: error - primary in master_table has been changed. """ import pytest from firebird.qa import * from firebird.driver import DatabaseError, tpb, Isolation init_script = """CREATE TABLE MASTER_TABLE ( ID_1 INTEGER NOT NULL, ID_2 VARCHAR(20) NOT NULL, INT_F INTEGER, PRIMARY KEY (ID_1, ID_2) ); CREATE TABLE DETAIL_TABLE ( ID INTEGER PRIMARY KEY, FKEY_1 INTEGER, FKEY_2 VARCHAR(20) ); ALTER TABLE DETAIL_TABLE ADD CONSTRAINT FK_DETAIL_TABLE FOREIGN KEY (FKEY_1, FKEY_2) REFERENCES MASTER_TABLE (ID_1, ID_2); COMMIT; INSERT INTO MASTER_TABLE (ID_1, ID_2, INT_F) VALUES (1, 'one', 10); COMMIT;""" db = db_factory(init=init_script) act = python_act('db') @pytest.mark.version('>=3') def test_1(act: Action): with act.db.connect() as con: cust_tpb = tpb(isolation=Isolation.READ_COMMITTED_RECORD_VERSION, lock_timeout=0) con.begin(cust_tpb) with con.cursor() as c: c.execute("UPDATE MASTER_TABLE SET ID_1=2 WHERE ID_1=1") c.execute("UPDATE MASTER_TABLE SET ID_2='two' WHERE ID_2='one'") #Create second connection for change detail table with act.db.connect() as con_detail: con_detail.begin(cust_tpb) with con_detail.cursor() as cd: with pytest.raises(DatabaseError, match='.*violation of FOREIGN KEY constraint "FK_DETAIL_TABLE" on table "DETAIL_TABLE".*'): cd.execute("INSERT INTO DETAIL_TABLE (ID, FKEY_1, FKEY_2) VALUES (1, 1, 'one')") con_detail.commit() # Passed.