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"""database options for sql lab

Revision ID: 41f6a59a61f2
Revises: 3c3ffe173e4f
Create Date: 2016-08-31 10:26:37.969107

"""
import sqlalchemy as sa
from alembic import op

# revision identifiers, used by Alembic.
revision = "41f6a59a61f2"
down_revision = "3c3ffe173e4f"


def upgrade():
    op.add_column("dbs", sa.Column("allow_ctas", sa.Boolean(), nullable=True))
    op.add_column("dbs", sa.Column("expose_in_sqllab", sa.Boolean(), nullable=True))
    op.add_column(
        "dbs", sa.Column("force_ctas_schema", sa.String(length=250), nullable=True)
    )


def downgrade():
    op.drop_column("dbs", "force_ctas_schema")
    op.drop_column("dbs", "expose_in_sqllab")
    op.drop_column("dbs", "allow_ctas")