"""add waveform data to attachments

Revision ID: 0020_attachment_waveform_data
Revises: 0019_user_privacy_fields
Create Date: 2026-03-08
"""

from collections.abc import Sequence

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = "0020_attachment_waveform_data"
down_revision: str | None = "0019_user_privacy_fields"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    op.add_column("attachments", sa.Column("waveform_data", sa.Text(), nullable=True))


def downgrade() -> None:
    op.drop_column("attachments", "waveform_data")