"""airports cannot be nullable

Revision ID: f85556b2ce2c
Revises: 1e04cd7838dd
Create Date: 2023-08-07 19:14:17.791435

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

# revision identifiers, used by Alembic.
revision = 'f85556b2ce2c'
down_revision = '1e04cd7838dd'
branch_labels = None
depends_on = None


def upgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.alter_column('flight', 'takeoff_airport_id',
               existing_type=mysql.INTEGER(display_width=11),
               nullable=False)
    op.alter_column('flight', 'landing_airport_id',
               existing_type=mysql.INTEGER(display_width=11),
               nullable=False)
    # ### end Alembic commands ###


def downgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.alter_column('flight', 'landing_airport_id',
               existing_type=mysql.INTEGER(display_width=11),
               nullable=True)
    op.alter_column('flight', 'takeoff_airport_id',
               existing_type=mysql.INTEGER(display_width=11),
               nullable=True)
    # ### end Alembic commands ###