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notifications-api/migrations/versions/0281_non_null_folder_permissions.py

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"""
Revision ID: 0281_non_null_folder_permissions
Revises: 0280_invited_user_folder_perms
Create Date: 2019-03-20 10:12:24.927129
"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import postgresql
revision = '0281_non_null_folder_permissions'
down_revision = '0280_invited_user_folder_perms'
def upgrade():
op.execute("UPDATE invited_users SET folder_permissions = '[]' WHERE folder_permissions IS null")
op.alter_column('invited_users', 'folder_permissions',
existing_type=postgresql.JSONB(astext_type=sa.Text()),
nullable=False)
def downgrade():
op.alter_column('invited_users', 'folder_permissions',
existing_type=postgresql.JSONB(astext_type=sa.Text()),
nullable=True)