def __init__(self, nodes):
"""Establishes a connection to the ScyllaDB database, creates the "wdm" keyspace if it does not exist
and creates or updates the users table.
"""
while True:
try:
session = Cluster(contact_points=nodes).connect()
break
except Exception:
sleep(1)
session.execute("""
CREATE KEYSPACE IF NOT EXISTS wdm
WITH replication = { 'class': 'SimpleStrategy', 'replication_factor': '3' }
""")
session.default_consistency_level = ConsistencyLevel.QUORUM
connection.setup(nodes, "wdm")
sync_table(Payments)
