"""Remove the destination regions module.

Revision ID: 0014_remove_destination_regions_module
Revises: 0013_remove_map_theme_modules
"""

from alembic import op
from sqlalchemy import inspect
import sqlalchemy as sa


revision = "0014_remove_destination_regions_module"
down_revision = "0013_remove_map_theme_modules"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.alter_column(
        "alembic_version",
        "version_num",
        existing_type=sa.String(length=32),
        type_=sa.String(length=128),
        existing_nullable=False,
    )
    existing_tables = set(inspect(op.get_bind()).get_table_names())
    if "DestinationRegion" in existing_tables:
        op.drop_table("DestinationRegion")


def downgrade() -> None:
    pass