Struct PrimaryIndex 

pub struct PrimaryIndex { /* private fields */ }

主键哈希索引

Implementations

impl PrimaryIndex

pub unsafe fn new( def: Arc<TableDef>, hash_table_start: *mut Option<NonNull<PrimaryIndexItem>>, items_start: *mut PrimaryIndexItem, hash_table_size: usize, max_items: usize, ) -> Self

创建新的主键索引

pub const fn calculate_memory_size( _def: &TableDef, hash_table_size: usize, max_items: usize, ) -> usize

计算主键索引所需的内存大小

pub unsafe fn insert( &mut self, key: *const u8, key_size: usize, record_id: u16, ) -> Result<()>

插入索引项

pub unsafe fn insert_composite( &mut self, record_ptr: *const u8, record_id: u16, ) -> Result<()>

插入复合主键索引�?

pub unsafe fn find(&mut self, key: *const u8, key_size: usize) -> Result<u16>

根据键查找记录ID

pub unsafe fn find_composite(&mut self, record_ptr: *const u8) -> Result<u16>

根据记录指针查找复合主键对应的记录ID

pub unsafe fn delete(&mut self, key: *const u8, key_size: usize) -> Result<()>

删除索引�?

pub unsafe fn delete_composite(&mut self, record_ptr: *const u8) -> Result<()>

根据记录指针删除复合主键索引�?

pub fn stats(&self) -> &IndexStats

获取索引统计信息

pub fn reset_stats(&mut self)

重置索引统计信息