"""flight duration

Revision ID: 419cf23cbf83
Revises: 559795b043f3
Create Date: 2023-06-06 17:41:26.375394

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

# revision identifiers, used by Alembic.
revision = '419cf23cbf83'
down_revision = '559795b043f3'
branch_labels = None
depends_on = None


def upgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.add_column('flight', sa.Column('duration_total', sa.Integer(), nullable=True))
    op.alter_column('flight', 'duration_pic',
               existing_type=mysql.INTEGER(display_width=11),
               nullable=True)
    # ### end Alembic commands ###


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