f30997c02a
- schedule_delete_tool 执行前先解除 executions.schedule_id 引用 - 迁移 012: executions.schedule_id FK 改为 ON DELETE SET NULL Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
44 lines
1.2 KiB
Python
44 lines
1.2 KiB
Python
"""alter executions.schedule_id FK to ON DELETE SET NULL
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Revision ID: 012_schedule_fk_set_null
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Revises: 011_add_agent_market_fields
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Create Date: 2026-05-07
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"""
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from alembic import op
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revision = "012_schedule_fk_set_null"
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down_revision = "011_add_agent_market_fields"
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branch_labels = None
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depends_on = None
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def upgrade() -> None:
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"""将 executions.schedule_id 外键改为 SET NULL，删除定时任务时自动保留执行记录。"""
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try:
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op.drop_constraint("executions_ibfk_3", "executions", type_="foreignkey")
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except Exception:
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# FK name may vary; try alternate patterns
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try:
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op.drop_constraint("executions_ibfk_4", "executions", type_="foreignkey")
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except Exception:
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pass
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op.create_foreign_key(
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"executions_ibfk_3",
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"executions", "agent_schedules",
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["schedule_id"], ["id"],
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ondelete="SET NULL",
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)
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def downgrade() -> None:
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try:
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op.drop_constraint("executions_ibfk_3", "executions", type_="foreignkey")
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except Exception:
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pass
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op.create_foreign_key(
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"executions_ibfk_3",
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"executions", "agent_schedules",
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["schedule_id"], ["id"],
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ondelete="RESTRICT",
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)
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