Source code for airflow.models.base

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from typing import Any

from sqlalchemy import MetaData
from sqlalchemy.ext.declarative import declarative_base

from airflow.configuration import conf

[docs]SQL_ALCHEMY_SCHEMA = conf.get("core", "SQL_ALCHEMY_SCHEMA")
[docs]metadata = ( None if not SQL_ALCHEMY_SCHEMA or SQL_ALCHEMY_SCHEMA.isspace() else MetaData(schema=SQL_ALCHEMY_SCHEMA)
[docs]Base = declarative_base(metadata=metadata) # type: Any
[docs]ID_LEN = 250
# used for typing
[docs]class Operator:
"""Class just used for Typing"""
[docs]def get_id_collation_args(): """Get SQLAlchemy args to use for COLLATION""" collation = conf.get('core', 'sql_engine_collation_for_ids', fallback=None) if collation: return {'collation': collation} else: return {}
[docs]COLLATION_ARGS = get_id_collation_args()

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