Struct mysql_common::binlog::events::IntvarEvent

pub struct IntvarEvent { /* private fields */ }

Available on crate feature binlog only.

Integer based session-variables event.

Written every time a statement uses an AUTO_INCREMENT column or the LAST_INSERT_ID() function; precedes other events for the statement. This is written only before a QUERY_EVENT and is not used with row-based logging. An INTVAR_EVENT is written with a “subtype” in the event data part.

Implementations

impl IntvarEvent

pub fn new(subtype: IntvarEventType, value: u64) -> Self

Creates a new instance.

pub fn subtype(&self) -> IntvarEventType

Returns the subtype value.

subtype is a one byte identifying the type of variable stored.

pub fn value(&self) -> u64

Returns the value value.

value is the value of the variable.

pub fn with_subtype(self, subtype: IntvarEventType) -> Self

Sets the subtype value.

pub fn with_value(self, value: u64) -> Self

Sets the value value.

Trait Implementations

impl<'a> BinlogEvent<'a> for IntvarEvent

const EVENT_TYPE: EventType = EventType::INTVAR_EVENT

An event type, associated with this struct (if any).

impl<'a> BinlogStruct<'a> for IntvarEvent

fn len(&self, _version: BinlogVersion) -> usize

Returns serialized length of this struct in bytes.

impl Clone for IntvarEvent

fn clone(&self) -> IntvarEvent

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for IntvarEvent

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

Formats the value using the given formatter.

impl Hash for IntvarEvent

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl<'de> MyDeserialize<'de> for IntvarEvent

const SIZE: Option<usize> = _

Size hint of a serialized value (in bytes), if it’s constant.

type Ctx = BinlogCtx<'de>

Some structs defines deserialization in the context of another value.

fn deserialize(_ctx: Self::Ctx, buf: &mut ParseBuf<'de>) -> Result<Self>

Deserializes self from the given buf.

impl MySerialize for IntvarEvent

fn serialize(&self, buf: &mut Vec<u8>)

Serializes self into the buf.

impl PartialEq for IntvarEvent

fn eq(&self, other: &IntvarEvent) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for IntvarEvent

impl StructuralPartialEq for IntvarEvent