50 lines
1.7 KiB
Python
50 lines
1.7 KiB
Python
"""teams
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Справочник команд и привязка пользователя к команде:
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- `teams` — id/name (уникально)/created_at;
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- `users.team_id` — необязательная ссылка на команду, `ON DELETE SET NULL`
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(удаление команды не удаляет пользователей, только снимает привязку).
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Revision ID: 9d37822e4513
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Revises: 5970bf64fc43
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Create Date: 2026-07-18 03:00:27.636900
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"""
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from typing import Sequence, Union
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from alembic import op
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import sqlalchemy as sa
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# revision identifiers, used by Alembic.
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revision: str = '9d37822e4513'
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down_revision: Union[str, Sequence[str], None] = '5970bf64fc43'
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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"""Upgrade schema."""
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op.create_table(
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'teams',
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sa.Column('id', sa.UUID(), server_default=sa.text('gen_random_uuid()'), nullable=False),
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sa.Column('name', sa.String(length=255), nullable=False),
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sa.Column(
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'created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'),
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nullable=False,
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),
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sa.PrimaryKeyConstraint('id'),
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sa.UniqueConstraint('name'),
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)
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op.add_column('users', sa.Column('team_id', sa.UUID(), nullable=True))
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op.create_foreign_key(
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'fk_users_team_id_teams', 'users', 'teams', ['team_id'], ['id'], ondelete='SET NULL'
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)
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def downgrade() -> None:
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"""Downgrade schema."""
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op.drop_constraint('fk_users_team_id_teams', 'users', type_='foreignkey')
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op.drop_column('users', 'team_id')
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op.drop_table('teams')
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