14 lines
472 B
SQL
14 lines
472 B
SQL
-- =============================================
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-- Education 模块 — 统一幂等表 回滚
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-- Migration: 009 回滚
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-- =============================================
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DROP TABLE IF EXISTS education_idempotency;
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-- Recreate the original split tables from 003 + 004 migrations if needed:
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-- (restore from backup or re-run 003 and 004 DDL scripts)
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-- Remove review_fingerprint column
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ALTER TABLE education_practice_session
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DROP COLUMN IF EXISTS review_fingerprint;
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