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"""empty message
Revision ID: 4e482c47e519
Revises: 900758871713
Create Date: 2018-05-27 22:38:16.507155
"""
from alembic import op
import sqlalchemy as sa
# revision identifiers, used by Alembic.
revision = '4e482c47e519'
down_revision = '900758871713'
branch_labels = None
depends_on = None
def upgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.create_table('dependency',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('depender_id', sa.Integer(), nullable=True),
sa.Column('package_id', sa.Integer(), nullable=True),
sa.Column('meta_package_id', sa.Integer(), nullable=True),
sa.Column('optional', sa.Boolean(), nullable=False),
sa.ForeignKeyConstraint(['depender_id'], ['package.id'], ),
sa.ForeignKeyConstraint(['meta_package_id'], ['meta_package.id'], ),
sa.ForeignKeyConstraint(['package_id'], ['package.id'], ),
sa.PrimaryKeyConstraint('id'),
sa.UniqueConstraint('depender_id', 'package_id', 'meta_package_id', name='_dependency_uc')
)
# ### end Alembic commands ###
def downgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.drop_table('dependency')
# ### end Alembic commands ###
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