# -*- coding: utf-8 -*-
###########################################################################
# 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 #
###########################################################################
# pylint: disable=invalid-name,too-few-public-methods,no-member
"""Invalidating node hash - User should rehash nodes for caching
Revision ID: 5d4d844852b6
Revises: 62fe0d36de90
Create Date: 2018-10-26 17:14:33.566670
"""
from alembic import op
# Remove when https://github.com/PyCQA/pylint/issues/1931 is fixed
# pylint: disable=no-name-in-module,import-error
from sqlalchemy.sql import text
# revision identifiers, used by Alembic.
revision = '5d4d844852b6'
down_revision = '62fe0d36de90'
branch_labels = None
depends_on = None
# Currently valid hash key
_HASH_EXTRA_KEY = '_aiida_hash'
[docs]def upgrade():
"""drop the hashes when upgrading"""
conn = op.get_bind()
# Invalidate all the hashes
statement = text("""UPDATE db_dbnode SET extras = extras #- '{""" + _HASH_EXTRA_KEY + """}'::text[];""")
conn.execute(statement)
[docs]def downgrade():
"""drop the hashes also when downgrading"""
conn = op.get_bind()
# Invalidate all the hashes
statement = text("""UPDATE db_dbnode SET extras = extras #- '{""" + _HASH_EXTRA_KEY + """}'::text[];""")
conn.execute(statement)