"""Fixing table relationships

Revision ID: 4a6731c9e71b
Revises: 563253042f7e
Create Date: 2023-01-02 13:12:21.344294

"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import mysql

# revision identifiers, used by Alembic.
revision = '4a6731c9e71b'
down_revision = '563253042f7e'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.add_column('posts', sa.Column('parent_id', sa.Integer(), nullable=True))
    op.drop_constraint('posts_ibfk_2', 'posts', type_='foreignkey')
    op.create_foreign_key(None, 'posts', 'posts', ['parent_id'], ['id'])
    op.drop_column('posts', 'reblog_id')
    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.add_column('posts', sa.Column('reblog_id', mysql.INTEGER(display_width=11), autoincrement=False, nullable=True))
    op.drop_constraint(None, 'posts', type_='foreignkey')
    op.create_foreign_key('posts_ibfk_2', 'posts', 'posts', ['reblog_id'], ['id'])
    op.drop_column('posts', 'parent_id')
    # ### end Alembic commands ###