refactor: optimize hivesql grammar#481
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Jun 23, 2026
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| 指标 | 优化前 | 优化后 | 变化 |
|---|---|---|---|
| Grammar | 2469 行 | 2269 行 | -200 行（-8.1%） |
| 删除规则数 | — | — | 30+ 个 |
| 生成 Parser | — | — | 净减约 1200 行 |
| 测试 | 1184 通过 | 1211 通过 | 新增 27 个用例，0 失败 |
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