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cbdb-online-main-server
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96315d29b20627c54ea58c81d621f2d58269f6a6
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cbdb-online-main-server
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app
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Exceptions
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VariantMappingException.php
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cbdb-online-main-server
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app
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Exceptions
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VariantMappingException.php
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<?php
namespace App\Exceptions;
/**
* `char_variant_map` 的結構驗證失敗(單一 codepoint、不成環、payload 完整)。
*
* **為什麼需要一個專屬型別而不是直接用 `\RuntimeException`**:
* `Illuminate\Database\QueryException` 繼承 `PDOException`、而 `PDOException`
* 繼承 `\RuntimeException`。`CharVariantMapService::assertWritable()` 內部會查兩次
* `char_variant_map`,所以呼叫端若 `catch (\RuntimeException)`,任何資料庫錯誤都會被
* 當成「驗證失敗」,把原始 SQLSTATE 與 SQL 字串 flash 給使用者(資訊洩漏 + 無法據以行動
* 的訊息),而且該次寫入會被靜默跳過而不是誠實地 500。
*
* 呼叫端一律只 catch 這個型別,讓真正的資料庫錯誤照常往上冒。
*/
class VariantMappingException extends \RuntimeException {
}
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