60 lines
1.9 KiB
Python
60 lines
1.9 KiB
Python
"""add_session_id_to_resume
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Revision ID: 4e19b8fe4a88
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Revises: ae966b3e742e
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Create Date: 2025-08-30 20:38:36.867781
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"""
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from collections.abc import Sequence
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import sqlalchemy as sa
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from alembic import op
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# revision identifiers, used by Alembic.
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revision: str = "4e19b8fe4a88"
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down_revision: str | Sequence[str] | None = "ae966b3e742e"
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branch_labels: str | Sequence[str] | None = None
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depends_on: str | Sequence[str] | None = None
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def upgrade() -> None:
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"""Upgrade schema."""
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# ### commands auto generated by Alembic - please adjust! ###
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# Сначала добавляем колонку как nullable
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op.add_column("resume", sa.Column("session_id", sa.Integer(), nullable=True))
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# Создаем временную сессию для существующих резюме (если есть)
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op.execute("""
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INSERT INTO session (session_id, is_active, expires_at, last_activity, created_at, updated_at)
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SELECT
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'legacy-' || CAST(EXTRACT(epoch FROM NOW()) AS TEXT),
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true,
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NOW() + INTERVAL '30 days',
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NOW(),
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NOW(),
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NOW()
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WHERE NOT EXISTS (SELECT 1 FROM session LIMIT 1)
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""")
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# Обновляем существующие резюме, привязывая их к первой сессии
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op.execute("""
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UPDATE resume
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SET session_id = (SELECT id FROM session ORDER BY id LIMIT 1)
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WHERE session_id IS NULL
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""")
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# Теперь делаем колонку NOT NULL
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op.alter_column("resume", "session_id", nullable=False)
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op.create_foreign_key(None, "resume", "session", ["session_id"], ["id"])
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# ### end Alembic commands ###
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def downgrade() -> None:
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"""Downgrade schema."""
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# ### commands auto generated by Alembic - please adjust! ###
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op.drop_constraint(None, "resume", type_="foreignkey")
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op.drop_column("resume", "session_id")
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# ### end Alembic commands ###
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