#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
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# limitations under the License.

"""add dag_stats table

Revision ID: f2ca10b85618
Revises: 64de9cddf6c9
Create Date: 2016-07-20 15:08:28.247537

"""

# revision identifiers, used by Alembic.
revision = 'f2ca10b85618'
down_revision = '64de9cddf6c9'
branch_labels = None
depends_on = None

from alembic import op
import sqlalchemy as sa


def upgrade():
    op.create_table('dag_stats',
                    sa.Column('dag_id', sa.String(length=250), nullable=False),
                    sa.Column('state', sa.String(length=50), nullable=False),
                    sa.Column('count', sa.Integer(), nullable=False, default=0),
                    sa.Column('dirty', sa.Boolean(), nullable=False, default=False),
                    sa.PrimaryKeyConstraint('dag_id', 'state'))


def downgrade():
    op.drop_table('dag_stats')
