"""Hide deleted research experiments while preserving candidate and source history."""

import sqlalchemy as sa
from alembic import op

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


def upgrade():
    op.add_column(
        "research_experiments",
        sa.Column("archived", sa.Boolean(), nullable=False, server_default=sa.false()),
    )


def downgrade():
    op.drop_column("research_experiments", "archived")