兼容性判定
公开资料依据 · 建议 PoC 复核支持度none
严重度minor
置信度medium
依据规则ora.perf.not_in_subquery
怎么改
需按命中位置逐条评估改写
判定说明
Bytebase advisor 属于源侧可配置治理策略，不是目标内核兼容能力；保持静态风险 finding，策略、阈值和豁免建议 PoC 复核。
库侧 / 应用侧路径
库侧改造
需人工确认改造边界
应用侧改造
需人工确认改造边界
推荐路线：case_by_case。验证建议：子查询列含 NULL 时 NOT IN 语义易踩坑；常改 NOT EXISTS 并补空值用例与执行计划验证。
规则样例
SELECT id FROM orders WHERE customer_id NOT IN (SELECT id FROM blacklist)
DELETE FROM t WHERE id NOT IN (SELECT id FROM keep_t)
SELECT id FROM orders WHERE customer_id IN (SELECT id FROM vip)
参考来源
- https://github.com/bytebase/bytebase/tree/main/backend/plugin/advisor/oracle
- https://github.com/bytebase/bytebase/tree/main/backend/plugin/advisor/mysql
- https://github.com/bytebase/bytebase/tree/main/backend/plugin/advisor/oceanbase
- https://github.com/bytebase/bytebase/blob/main/LICENSE
- https://docs.pingcap.com/zh/tidb/v8.5/sql-statement-overview/
- https://docs.pingcap.com/zh/tidb/stable/sql-mode/
- https://docs.oracle.com/en/database/oracle/oracle-database/19/sqlrf/IN-Condition.html
相关改造点
- ORACLE → tidb 8.5 全部改造点
- tidb 8.5 兼容性总览
- ORACLE 迁移国产库总览
- ORACLE Oracle SQL 治理检查：BUILTIN PRIOR BACKUP CHECK 迁移 tidb 8.5 怎么改
- ORACLE Oracle SQL 治理检查：COLUMN ADD NOT NULL REQUIRE DEFAULT 迁移 tidb 8.5 怎么改
- ORACLE Oracle SQL 治理检查：COLUMN COMMENT 迁移 tidb 8.5 怎么改
- ORACLE Oracle SQL 治理检查：COLUMN MAXIMUM CHARACTER LENGTH 迁移 tidb 8.5 怎么改
- ORACLE Oracle SQL 治理检查：COLUMN MAXIMUM VARCHAR LENGTH 迁移 tidb 8.5 怎么改
- ORACLE Oracle SQL 治理检查：COLUMN NO NULL 迁移 tidb 8.5 怎么改
