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"""Remove dag_stat table

Revision ID: a56c9515abdc
Revises: c8ffec048a3b
Create Date: 2018-12-27 10:27:59.715872

"""

import sqlalchemy as sa
from alembic import op

# revision identifiers, used by Alembic.
revision = 'a56c9515abdc'
down_revision = 'c8ffec048a3b'
branch_labels = None
depends_on = None


def upgrade():
    """Drop dag_stats table"""
    op.drop_table("dag_stats")


def downgrade():
    """Create dag_stats table"""
    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'),
    )