"""add stars

Revision ID: 3b668be15dc0
Revises: 204abf14783d
Create Date: 2014-11-14 14:11:18.687340

"""

# revision identifiers, used by Alembic.
revision = '3b668be15dc0'
down_revision = '204abf14783d'

from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import mysql

def upgrade(tables):
  op.create_table('star',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('user_id', sa.Integer(), nullable=False),
    sa.Column('repository_id', sa.Integer(), nullable=False),
    sa.Column('created', sa.DateTime(), nullable=False),
    sa.ForeignKeyConstraint(['repository_id'], ['repository.id'], name=op.f('fk_star_repository_id_repository')),
    sa.ForeignKeyConstraint(['user_id'], ['user.id'], name=op.f('fk_star_user_id_user')),
    sa.PrimaryKeyConstraint('id', name=op.f('pk_star'))
  )
  op.create_index('star_repository_id', 'star', ['repository_id'], unique=False)
  op.create_index('star_user_id', 'star', ['user_id'], unique=False)
  op.create_index('star_user_id_repository_id', 'star', ['user_id', 'repository_id'], unique=True)


def downgrade(tables):
  op.drop_constraint('fk_star_repository_id_repository', 'star', type_='foreignkey')
  op.drop_constraint('fk_star_user_id_user', 'star', type_='foreignkey')
  op.drop_index('star_user_id_repository_id', table_name='star')
  op.drop_index('star_user_id', table_name='star')
  op.drop_index('star_repository_id', table_name='star')
  op.drop_table('star')