def check_schema_version():
"""
Check if the version stored in the database is the same of the version
of the code.
:note: if the DbSetting table does not exist, this function does not
fail. The reason is to avoid to have problems before running the first
migrate call.
:note: if no version is found, the version is set to the version of the
code. This is useful to have the code automatically set the DB version
at the first code execution.
:raise ConfigurationError: if the two schema versions do not match.
Otherwise, just return.
"""
import aiida.backends.djsite.db.models
from aiida.backends.utils import (get_current_profile,
set_db_schema_version,
get_db_schema_version)
from django.db import connection
from aiida.common.exceptions import ConfigurationError
# Do not do anything if the table does not exist yet
if 'db_dbsetting' not in connection.introspection.table_names():
return
code_schema_version = aiida.backends.djsite.db.models.SCHEMA_VERSION
db_schema_version = get_db_schema_version()
if db_schema_version is None:
# No code schema defined yet, I set it to the code version
set_db_schema_version(code_schema_version)
db_schema_version = get_db_schema_version()
if code_schema_version != db_schema_version:
raise ConfigurationError(
"The code schema version is {}, but the version stored in the "
"database (DbSetting table) is {}, stopping.\n"
"To migrate to latest version, go to aiida.backends.djsite and "
"run:\nverdi daemon stop\n python manage.py --aiida-profile={} migrate"
.format(code_schema_version, db_schema_version,
get_current_profile()))
def check_schema_version():
"""
Check if the version stored in the database is the same of the version
of the code.
:note: if the DbSetting table does not exist, this function does not
fail. The reason is to avoid to have problems before running the first
migrate call.
:note: if no version is found, the version is set to the version of the
code. This is useful to have the code automatically set the DB version
at the first code execution.
:raise ConfigurationError: if the two schema versions do not match.
Otherwise, just return.
"""
from aiida.common.exceptions import ConfigurationError
from aiida.backends import sqlalchemy as sa
from sqlalchemy.engine import reflection
from aiida.backends.sqlalchemy.models import SCHEMA_VERSION
from aiida.backends.utils import (get_db_schema_version,
set_db_schema_version,
get_current_profile)
# Do not do anything if the table does not exist yet
inspector = reflection.Inspector.from_engine(sa.session.bind)
if 'db_dbsetting' not in inspector.get_table_names():
return
code_schema_version = SCHEMA_VERSION
db_schema_version = get_db_schema_version()
if db_schema_version is None:
# No code schema defined yet, I set it to the code version
set_db_schema_version(code_schema_version)
db_schema_version = get_db_schema_version()
if code_schema_version != db_schema_version:
raise ConfigurationError(
"The code schema version is {}, but the version stored in the"
"database (DbSetting table) is {}, stopping.\n".format(
code_schema_version, db_schema_version))
def _update_schema_version(version, apps, schema_editor):
from aiida.backends.utils import set_db_schema_version
set_db_schema_version(version)