"""empty message Revision ID: 8ee3cf3fb312 Revises: e82c2141fae3 Create Date: 2021-05-03 22:21:02.167758 """ from alembic import op from sqlalchemy.dialects import postgresql # revision identifiers, used by Alembic. revision = '8ee3cf3fb312' down_revision = 'e82c2141fae3' branch_labels = None depends_on = None def upgrade(): op.alter_column('user', 'email_confirmed_at', existing_type=postgresql.TIMESTAMP(), nullable=True) op.execute("""UPDATE "user" SET email_confirmed_at = NULL WHERE email_confirmed_at < '2016-01-01'::date""") def downgrade(): op.alter_column('user', 'email_confirmed_at', existing_type=postgresql.TIMESTAMP(), nullable=False) op.execute( """UPDATE "user" SET email_confirmed_at = '2004-01-01'::date WHERE email_confirmed_at IS NULL""")