Trait VTab

Source

pub trait VTab<'vtab>: Sized {
    type Aux;
    type Cursor: VTabCursor;

    // Required methods
    fn connect(
        db: *mut sqlite3,
        aux: Option<&Self::Aux>,
        args: VTabArguments,
    ) -> Result<(String, Self)>;
    fn best_index(&self, info: IndexInfo) -> Result<(), BestIndexError>;
    fn open(&'vtab mut self) -> Result<Self::Cursor>;

    // Provided methods
    fn create(
        db: *mut sqlite3,
        aux: Option<&Self::Aux>,
        args: VTabArguments,
    ) -> Result<(String, Self)> { ... }
    fn destroy(&self) -> Result<()> { ... }
}