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NativeWriter

Struct NativeWriter 

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pub struct NativeWriter { /* private fields */ }
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原生 SQLite 写入器

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impl NativeWriter

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pub async fn init_leaf_page(&self, page_id: u32) -> Result<(), DsError>

初始化一个新的叶子表页面

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pub async fn insert_into_leaf_page( &self, page_id: u32, row_id: i64, values: &[DsValue], path: Vec<u32>, ) -> Result<(), DsError>

在叶子表页面插入一行数据

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pub async fn delete_from_leaf_page( &self, page_id: u32, row_id: i64, ) -> Result<bool, DsError>

从叶子表页面删除一行数据

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impl NativeWriter

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pub async fn allocate_page(&self) -> Result<u32, DsError>

分配一个新页面 (优先从 FreeList 获取)

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pub async fn deallocate_page(&self, page_id: u32) -> Result<(), DsError>

将页面释放回 FreeList

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pub async fn init_file(&self) -> Result<(), DsError>

初始化一个新的“伪 SQLite”文件头

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pub async fn write_page(&self, page_id: u32, data: &[u8]) -> Result<(), DsError>

写入一个完整页面内容

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impl NativeWriter

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pub async fn read_full_payload( &self, page_data: &[u8], cell_offset: usize, page_type: u8, page_size: u32, ) -> Result<Vec<u8>, DsError>

读取完整的 payload (处理溢出页)

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impl NativeWriter

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pub async fn checkpoint(&self) -> Result<(), DsError>

执行 WAL Checkpoint,将 WAL 中的页面同步回主数据库

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impl NativeWriter

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pub fn new(path: impl Into<String>) -> Self

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pub async fn ensure_initialized(&self) -> Result<(), DsError>

确保数据库文件已初始化

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