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"""user referrer
Revision ID: e4b7e8c165c1
Revises: bd9b36fc385a
Create Date: 2024-01-24 20:56:01.746272
"""
from typing import Sequence, Union
from alembic import op
import sqlalchemy as sa
# revision identifiers, used by Alembic.
revision: str = 'e4b7e8c165c1'
down_revision: Union[str, None] = 'bd9b36fc385a'
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('users', sa.Column('referrer', sa.String(), nullable=True))
# ### end Alembic commands ###
def downgrade() -> None:
# ### commands auto generated by Alembic - please adjust! ###
op.drop_column('users', 'referrer')
# ### end Alembic commands ###
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