Source code for aiida.backends.sqlalchemy.migrations.versions.61fc0913fae9_remove_node_prefix

# -*- coding: utf-8 -*-
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# Copyright (c), The AiiDA team. All rights reserved.                     #
# This file is part of the AiiDA code.                                    #
#                                                                         #
# The code is hosted on GitHub at https://github.com/aiidateam/aiida-core #
# For further information on the license, see the LICENSE.txt file        #
# For further information please visit http://www.aiida.net               #
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"""Final data migration for `Nodes` after `aiida.orm.nodes` reorganization was finalized to remove the `node.` prefix

Revision ID: 61fc0913fae9
Revises: ce56d84bcc35
Create Date: 2019-02-16 15:32:42.745450

"""
# pylint: disable=invalid-name,no-member,import-error,no-name-in-module

from alembic import op
from sqlalchemy.sql import text

# revision identifiers, used by Alembic.
revision = '61fc0913fae9'
down_revision = 'ce56d84bcc35'
branch_labels = None
depends_on = None


[docs]def upgrade(): """Migrations for the upgrade.""" conn = op.get_bind() # The `node.` prefix is being dropped from the node type string statement = text( r""" UPDATE db_dbnode SET type = regexp_replace(type, '^node.data.', 'data.') WHERE type LIKE 'node.data.%'; UPDATE db_dbnode SET type = regexp_replace(type, '^node.process.', 'process.') WHERE type LIKE 'node.process.%'; """ ) conn.execute(statement)
[docs]def downgrade(): """Migrations for the downgrade.""" conn = op.get_bind() statement = text( r""" UPDATE db_dbnode SET type = regexp_replace(type, '^data.', 'node.data.') WHERE type LIKE 'data.%'; UPDATE db_dbnode SET type = regexp_replace(type, '^process.', 'node.process.') WHERE type LIKE 'process.%'; """ ) conn.execute(statement)