"""add_lead_time_days_to_rm_vendor_mapping

Revision ID: 67f96b2d424a
Revises: 95d01e95fa6c
Create Date: 2026-07-11 15:29:33.824545

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = '67f96b2d424a'
down_revision: Union[str, None] = '95d01e95fa6c'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.alter_column('rm_po_history', 'po_id',
               existing_type=sa.UUID(),
               nullable=False)
    op.drop_index('ix_rm_po_history_history_id', table_name='rm_po_history')
    op.add_column('rm_vendor_mapping', sa.Column('lead_time_days', sa.Integer(), nullable=True))
    # ### end Alembic commands ###


def downgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_column('rm_vendor_mapping', 'lead_time_days')
    op.create_index('ix_rm_po_history_history_id', 'rm_po_history', ['history_id'], unique=False)
    op.alter_column('rm_po_history', 'po_id',
               existing_type=sa.UUID(),
               nullable=True)
    # ### end Alembic commands ###