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- # -*- coding: utf-8 -*-
- from sqlalchemy.ext.declarative import declarative_base
- from sqlalchemy.schema import MetaData
-
- # Recommended naming convention used by Alembic, as various different database
- # providers will autogenerate vastly different names making migrations more
- # difficult. See: http://alembic.zzzcomputing.com/en/latest/naming.html
- NAMING_CONVENTION = {
- "ix": "ix_%(column_0_label)s",
- "uq": "uq__%(table_name)s__%(column_0_name)s", # Unique constrains
- # TODO - G.M - 28-03-2018 - [Database] Convert database to allow naming convention
- # for ck contraint.
- # "ck": "ck_%(table_name)s_%(constraint_name)s",
- "fk": "fk_%(table_name)s_%(column_0_name)s_%(referred_table_name)s",
- "pk": "pk_%(table_name)s"
- }
-
- metadata = MetaData(naming_convention=NAMING_CONVENTION)
- DeclarativeBase = declarative_base(metadata=metadata)
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