"""changed library_file to reference in part_info

Revision ID: b022867d09e3
Revises: e83aa47e530b
Create Date: 2019-11-25 20:34:47.384076+00:00

"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import postgresql

# revision identifiers, used by Alembic.
revision = 'b022867d09e3'
down_revision = 'e83aa47e530b'
branch_labels = None
depends_on = None


def upgrade():
    op.alter_column('part_info', 'library_file', new_column_name='reference')


def downgrade():
    op.alter_column('part_info', 'reference', new_column_name='library_file')

"""changed library_file to reference in part_info

Revision ID: b022867d09e3
Revises: e83aa47e530b
Create Date: 2019-11-25 20:34:47.384076+00:00

"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import postgresql

# revision identifiers, used by Alembic.
revision = 'b022867d09e3'
down_revision = '63b625cf7b06'
branch_labels = None
depends_on = None


def upgrade():
    op.alter_column('part_info', 'library_file', new_column_name='reference')


def downgrade():
    op.alter_column('part_info', 'reference', new_column_name='library_file')

fix alembic downgrade