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"""add_not_null_to_dbs_sqlalchemy_url

Revision ID: 817e1c9b09d0
Revises: db4b49eb0782
Create Date: 2019-12-03 10:24:16.201580

"""
import sqlalchemy as sa
from alembic import op

# revision identifiers, used by Alembic.
revision = "817e1c9b09d0"
down_revision = "89115a40e8ea"


def upgrade():
    with op.batch_alter_table("dbs") as batch_op:
        batch_op.alter_column(
            "sqlalchemy_uri", existing_type=sa.VARCHAR(length=1024), nullable=False
        )


def downgrade():
    with op.batch_alter_table("dbs") as batch_op:
        batch_op.alter_column(
            "sqlalchemy_uri", existing_type=sa.VARCHAR(length=1024), nullable=True
        )