"""add msg_id column to attachments

Revision ID: 5dfa093e7b2b
Revises: 1dc4564189c1
Create Date: 2024-04-08 23:08:51.542184

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = '5dfa093e7b2b'
down_revision: Union[str, None] = '1dc4564189c1'
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.add_column('attachments', sa.Column('msg_id', sa.BigInteger(), nullable=True))
    op.execute("UPDATE attachments SET msg_id = (message->>'id')::bigint")
    op.alter_column('attachments', 'msg_id', nullable=False)
    op.create_index(op.f('ix_attachments_msg_id'), 'attachments', ['msg_id'], unique=False)
    # ### end Alembic commands ###


def downgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_index(op.f('ix_attachments_msg_id'), table_name='attachments')
    op.drop_column('attachments', 'msg_id')
    # ### end Alembic commands ###