"""phonebook file to csv

Revision ID: 40ba1a488aa7
Revises: 1a730d10e4a7

"""

# revision identifiers, used by Alembic.
revision = "40ba1a488aa7"
down_revision = "1a730d10e4a7"

from sqlalchemy import sql

from alembic import op

directories_table = sql.table("directories", sql.column("dirtype"))


def upgrade():
    op.execute(
        directories_table.update()
        .where(directories_table.c.dirtype == "file")
        .values(dirtype="csv")
    )


def downgrade():
    op.execute(
        directories_table.update()
        .where(directories_table.c.dirtype == "csv")
        .values(dirtype="file")
    )
