Python/产品需求文档AI生成/alembic/versions/e05e08cbaa82_.py

47 lines
1.6 KiB
Python

"""empty message
Revision ID: e05e08cbaa82
Revises:
Create Date: 2026-06-23 10:49:22.696176
"""
from typing import Sequence, Union
from alembic import op
import sqlalchemy as sa
import sqlmodel
# revision identifiers, used by Alembic.
revision: str = 'e05e08cbaa82'
down_revision: Union[str, Sequence[str], None] = None
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None
def upgrade() -> None:
"""Upgrade schema."""
# ### commands auto generated by Alembic - please adjust! ###
op.create_table('messagehistory',
sa.Column('id', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
sa.Column('chat_id', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
sa.Column('new_message', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
sa.Column('create_at', sa.Integer(), nullable=False),
sa.PrimaryKeyConstraint('id')
)
with op.batch_alter_table('messagehistory', schema=None) as batch_op:
batch_op.create_index(batch_op.f('ix_messagehistory_chat_id'), ['chat_id'], unique=False)
batch_op.create_index(batch_op.f('ix_messagehistory_create_at'), ['create_at'], unique=False)
# ### end Alembic commands ###
def downgrade() -> None:
"""Downgrade schema."""
# ### commands auto generated by Alembic - please adjust! ###
with op.batch_alter_table('messagehistory', schema=None) as batch_op:
batch_op.drop_index(batch_op.f('ix_messagehistory_create_at'))
batch_op.drop_index(batch_op.f('ix_messagehistory_chat_id'))
op.drop_table('messagehistory')
# ### end Alembic commands ###