Struct mysql_common::binlog::events::IntvarEvent

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pub struct IntvarEvent { /* private fields */ }
Expand description

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.

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impl IntvarEvent

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

Creates a new instance.

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pub fn subtype(&self) -> IntvarEventType

Returns the subtype value.

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

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pub fn value(&self) -> u64

Returns the value value.

value is the value of the variable.

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

Sets the subtype value.

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

Sets the value value.

Trait Implementations§

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

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const EVENT_TYPE: EventType = EventType::INTVAR_EVENT

An event type, associated with this struct (if any).
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impl<'a> BinlogStruct<'a> for IntvarEvent

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

Returns serialized length of this struct in bytes. Read more
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impl Clone for IntvarEvent

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fn clone(&self) -> IntvarEvent

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for IntvarEvent

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

Formats the value using the given formatter. Read more
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impl Hash for IntvarEvent

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

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<'de> MyDeserialize<'de> for IntvarEvent

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const SIZE: Option<usize> = _

Size hint of a serialized value (in bytes), if it’s constant.
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type Ctx = BinlogCtx<'de>

Some structs defines deserialization in the context of another value. Read more
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fn deserialize(_ctx: Self::Ctx, buf: &mut ParseBuf<'de>) -> Result<Self>

Deserializes self from the given buf. Read more
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impl MySerialize for IntvarEvent

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

Serializes self into the buf.
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impl PartialEq for IntvarEvent

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for IntvarEvent

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impl StructuralPartialEq for IntvarEvent

Auto Trait Implementations§

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🔬This is a nightly-only experimental API. (clone_to_uninit)
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