nonebot-bison/nonebot_bison/config/migrations/c97c445e2bdb_add_constraint.py
uy/sun 90816796c7
🚚 修改 nonebot_bison 项目结构 (#211)
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* auto fix by pre-commit hooks

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* Revert "🚚 use soft link"

This reverts commit de21f79d5ae1bd5515b04f42a4138cb25ddf3e62.

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---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: felinae98 <731499577@qq.com>
2023-03-09 17:32:51 +08:00

48 lines
1.5 KiB
Python

"""add constraint
Revision ID: c97c445e2bdb
Revises: 0571870f5222
Create Date: 2022-03-26 19:46:50.910721
"""
import sqlalchemy as sa
from alembic import op
# revision identifiers, used by Alembic.
revision = "c97c445e2bdb"
down_revision = "0571870f5222"
branch_labels = None
depends_on = None
def upgrade():
# ### commands auto generated by Alembic - please adjust! ###
with op.batch_alter_table("subscribe", schema=None) as batch_op:
batch_op.create_unique_constraint(
"unique-subscribe-constraint", ["target_id", "user_id"]
)
with op.batch_alter_table("target", schema=None) as batch_op:
batch_op.create_unique_constraint(
"unique-target-constraint", ["target", "platform_name"]
)
with op.batch_alter_table("user", schema=None) as batch_op:
batch_op.create_unique_constraint("unique-user-constraint", ["type", "uid"])
# ### 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.drop_constraint("unique-user-constraint", type_="unique")
with op.batch_alter_table("target", schema=None) as batch_op:
batch_op.drop_constraint("unique-target-constraint", type_="unique")
with op.batch_alter_table("subscribe", schema=None) as batch_op:
batch_op.drop_constraint("unique-subscribe-constraint", type_="unique")
# ### end Alembic commands ###