コード例 #1
0
ファイル: query.py プロジェクト: vsfh/Library-Management
def blob(bid, bname, path):
    db = cx_Oracle.connect(config['USER'] + '/' + config['PASSWORD'])
    cur = db.cursor()
    f1 = open(path, 'rb')
    data = f1.read()
    bphoto = cx_Oracle.Binary(data)
    sql = "INSERT INTO coder.book VALUES ('%s','%s',:blobData)" % (bid, bname)
    cur.setinputsizes(blobData=cx_Oracle.BLOB)

    try:
        cur.execute(sql, {'blobData': bphoto})
        db.commit()
        print('update success')
        # print('update success')
    except:
        # print('update loss')
        db.rollback()
    cur.close()
    db.close()
コード例 #2
0
connection = pool.acquire()
cursor = connection.cursor()
cursor.execute("""
        delete from TestTempTable
        where IntCol = 1""")
cursor.execute("""
        insert into TestTempTable
        values (1, null)""")
input("Please kill %s session now. Press ENTER when complete." % \
        SampleEnv.MAIN_USER)
try:
    connection.commit()  # this should fail
    sys.exit("Session was not killed. Terminating.")
except cx_Oracle.DatabaseError as e:
    errorObj, = e.args
    if not errorObj.isrecoverable:
        sys.exit("Session is not recoverable. Terminating.")
ltxid = connection.ltxid
if not ltxid:
    sys.exit("Logical transaction not available. Terminating.")
pool.drop(connection)

# check if previous transaction completed
connection = pool.acquire()
cursor = connection.cursor()
_, committed, completed = cursor.callproc(
    "dbms_app_cont.get_ltxid_outcome",
    (cx_Oracle.Binary(ltxid), cursor.var(bool), cursor.var(bool)))
print("Failed transaction was committed:", committed)
print("Failed call was completed:", completed)
コード例 #3
0
connection = pool.acquire()
cursor = connection.cursor()
cursor.execute("""
        delete from TestTempTable
        where IntCol = 1""")
cursor.execute("""
        insert into TestTempTable
        values (1, null)""")
input("Please kill %s session now. Press ENTER when complete." % \
        sample_env.get_main_user())
try:
    connection.commit() # this should fail
    sys.exit("Session was not killed. Terminating.")
except oracledb.DatabaseError as e:
    error_obj, = e.args
    if not error_obj.isrecoverable:
        sys.exit("Session is not recoverable. Terminating.")
ltxid = connection.ltxid
if not ltxid:
    sys.exit("Logical transaction not available. Terminating.")
pool.drop(connection)

# check if previous transaction completed
connection = pool.acquire()
cursor = connection.cursor()
args = (oracledb.Binary(ltxid), cursor.var(bool), cursor.var(bool))
_, committed, completed = cursor.callproc("dbms_app_cont.get_ltxid_outcome",
                                          args)
print("Failed transaction was committed:", committed)
print("Failed call was completed:", completed)