"""empty message Revision ID: 4bc1decf051d Revises: 1f57157eb709 Create Date: 2023-05-28 09:54:00.011898 """ from alembic import op import sqlalchemy as sa from sqlalchemy.dialects import mysql # revision identifiers, used by Alembic. revision = '4bc1decf051d' down_revision = '1f57157eb709' branch_labels = None depends_on = None def upgrade(): # ### commands auto generated by Alembic - please adjust! ### with op.batch_alter_table('user', schema=None) as batch_op: batch_op.alter_column('user_say', existing_type=mysql.VARCHAR(length=500), nullable=True) # ### end Alembic commands ### def downgrade(): # ### commands auto generated by Alembic - please adjust! ### with op.batch_alter_table('user', schema=None) as batch_op: batch_op.alter_column('user_say', existing_type=mysql.VARCHAR(length=500), nullable=False) # ### end Alembic commands ###