Struct DropHandler 

pub struct DropHandler { /* private fields */ }

A handler that discards all results.

Implementations

impl DropHandler

pub fn new() -> Self

Create a new drop handler.

pub fn rows_affected(&self) -> Option<u64>

Get the number of rows affected (if applicable).

Trait Implementations

impl BinaryHandler for DropHandler

fn row(&mut self, _cols: RowDescription<'_>, _row: DataRow<'_>) -> Result<()>

Called for each data row.

fn result_end(&mut self, complete: CommandComplete<'_>) -> Result<()>

Called when a result set ends.

fn result_start(&mut self, cols: RowDescription<'_>) -> Result<()>

Called when a result set begins.

impl Debug for DropHandler

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for DropHandler

fn default() -> DropHandler

Returns the “default value” for a type.

impl TextHandler for DropHandler

fn row(&mut self, _cols: RowDescription<'_>, _row: DataRow<'_>) -> Result<()>

Called for each data row.

fn result_end(&mut self, complete: CommandComplete<'_>) -> Result<()>

Called when a result set ends.

fn result_start(&mut self, cols: RowDescription<'_>) -> Result<()>

Called when a result set begins.