pub struct CursorPolling<Stmt>where
Stmt: AsStatementRef,{ /* private fields */ }Expand description
The asynchronous sibiling of CursorImpl. Use this to fetch results in asynchronous code.
Like CursorImpl this is an ODBC statement handle in cursor state. However unlike its
synchronous sibling this statement handle is in asynchronous polling mode.
Implementations§
Source§impl<S> CursorPolling<S>where
S: AsStatementRef,
impl<S> CursorPolling<S>where
S: AsStatementRef,
Sourcepub unsafe fn new(statement: S) -> CursorPolling<S>
pub unsafe fn new(statement: S) -> CursorPolling<S>
Users of this library are encouraged not to call this constructor directly. This method is pubilc so users with an understanding of the raw ODBC C-API have a way to create an asynchronous cursor, after they left the safety rails of the Rust type System, in order to implement a use case not covered yet, by the safe abstractions within this crate.
§Safety
statement must be in Cursor state, for the invariants of this type to hold. Preferable
statement should also have asynchrous mode enabled, otherwise constructing a synchronous
CursorImpl is more suitable.
Sourcepub fn bind_buffer<B>(
self,
row_set_buffer: B,
) -> Result<RowSetCursorPolling<CursorPolling<S>, B>, Error>where
B: RowSetBuffer,
pub fn bind_buffer<B>(
self,
row_set_buffer: B,
) -> Result<RowSetCursorPolling<CursorPolling<S>, B>, Error>where
B: RowSetBuffer,
Binds this cursor to a buffer holding a row set.
Trait Implementations§
Source§impl<S> AsStatementRef for CursorPolling<S>where
S: AsStatementRef,
impl<S> AsStatementRef for CursorPolling<S>where
S: AsStatementRef,
Source§fn as_stmt_ref(&mut self) -> StatementRef<'_>
fn as_stmt_ref(&mut self) -> StatementRef<'_>
Source§impl<S> Drop for CursorPolling<S>where
S: AsStatementRef,
impl<S> Drop for CursorPolling<S>where
S: AsStatementRef,
Auto Trait Implementations§
impl<Stmt> Freeze for CursorPolling<Stmt>where
Stmt: Freeze,
impl<Stmt> RefUnwindSafe for CursorPolling<Stmt>where
Stmt: RefUnwindSafe,
impl<Stmt> Send for CursorPolling<Stmt>where
Stmt: Send,
impl<Stmt> Sync for CursorPolling<Stmt>where
Stmt: Sync,
impl<Stmt> Unpin for CursorPolling<Stmt>where
Stmt: Unpin,
impl<Stmt> UnwindSafe for CursorPolling<Stmt>where
Stmt: UnwindSafe,
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