"""инструмент из файла QUIK в операции

Revision ID: f1c4a7e9b352
Revises: e7b2c9d4a813
Create Date: 2026-10-27 00:00:00

operation.instrument — «Инструмент сокр.» из файла как есть, с меткой
покупки («МТС 2Р-18_1», D17, Q24).
"""

from typing import Sequence, Union

import sqlalchemy as sa

from alembic import op
from app.core.config import settings

# revision identifiers, used by Alembic.
revision: str = "f1c4a7e9b352"
down_revision: Union[str, None] = "e7b2c9d4a813"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None

_schema = settings.DATABASE_SCHEMA or None


def upgrade() -> None:
    """Upgrade schema."""
    with op.batch_alter_table("operation", schema=_schema) as batch:
        batch.add_column(sa.Column("instrument", sa.String(255), nullable=True))


def downgrade() -> None:
    """Downgrade schema."""
    with op.batch_alter_table("operation", schema=_schema) as batch:
        batch.drop_column("instrument")