"""empty message

Revision ID: 4f2e19bc2a27
Revises: dd27f1311a90
Create Date: 2020-07-09 00:35:35.066719

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '4f2e19bc2a27'
down_revision = 'dd27f1311a90'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('package_review',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('package_id', sa.Integer(), nullable=True),
    sa.Column('author_id', sa.Integer(), nullable=False),
    sa.Column('recommends', sa.Boolean(), nullable=False),
    sa.ForeignKeyConstraint(['author_id'], ['user.id'], ),
    sa.ForeignKeyConstraint(['package_id'], ['package.id'], ),
    sa.PrimaryKeyConstraint('id')
    )
    op.add_column('thread', sa.Column('review_id', sa.Integer(), nullable=True))
    op.create_foreign_key(None, 'thread', 'package_review', ['review_id'], ['id'])
    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_constraint(None, 'thread', type_='foreignkey')
    op.drop_column('thread', 'review_id')
    op.drop_table('package_review')
    # ### end Alembic commands ###