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							- """add message file belongs to
 
- Revision ID: 9fafbd60eca1
 
- Revises: 4823da1d26cf
 
- Create Date: 2024-01-15 13:07:20.340896
 
- """
 
- import sqlalchemy as sa
 
- from alembic import op
 
- # revision identifiers, used by Alembic.
 
- revision = '9fafbd60eca1'
 
- down_revision = '4823da1d26cf'
 
- branch_labels = None
 
- depends_on = None
 
- def upgrade():
 
-     # ### commands auto generated by Alembic - please adjust! ###
 
-     with op.batch_alter_table('message_files', schema=None) as batch_op:
 
-         batch_op.add_column(sa.Column('belongs_to', sa.String(length=255), nullable=True))
 
-     # ### end Alembic commands ###
 
- def downgrade():
 
-     # ### commands auto generated by Alembic - please adjust! ###
 
-     with op.batch_alter_table('message_files', schema=None) as batch_op:
 
-         batch_op.drop_column('belongs_to')
 
-     # ### end Alembic commands ###
 
 
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