15 lines
730 B
SQL
15 lines
730 B
SQL
-- 0019 的回滚：先删索引（否则 SQLite 拒绝 DROP COLUMN），再删两张新表，
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-- 最后按逆序删掉 memory_items 的整理列。
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DROP INDEX IF EXISTS idx_memory_tidy_runs_started_at;
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DROP TABLE IF EXISTS memory_tidy_runs;
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DROP INDEX IF EXISTS idx_memory_tidy_candidates_status;
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DROP TABLE IF EXISTS memory_tidy_candidates;
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DROP INDEX IF EXISTS idx_memory_items_status;
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ALTER TABLE memory_items DROP COLUMN expires_at;
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ALTER TABLE memory_items DROP COLUMN valid_to;
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ALTER TABLE memory_items DROP COLUMN occurred_at;
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ALTER TABLE memory_items DROP COLUMN merge_count;
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ALTER TABLE memory_items DROP COLUMN merged_from;
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ALTER TABLE memory_items DROP COLUMN merged_into;
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ALTER TABLE memory_items DROP COLUMN status;
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