Struct mysql_async::binlog::events::GtidEvent

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

GTID stands for Global Transaction IDentifier.

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impl GtidEvent

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pub const POST_HEADER_LENGTH: usize = 42usize

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pub const ENCODED_SID_LENGTH: usize = 16usize

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pub const LOGICAL_TIMESTAMP_TYPECODE: u8 = 2u8

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pub const IMMEDIATE_COMMIT_TIMESTAMP_LENGTH: usize = 7usize

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pub const ORIGINAL_COMMIT_TIMESTAMP_LENGTH: usize = 7usize

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pub const UNDEFINED_SERVER_VERSION: u32 = 999_999u32

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pub const IMMEDIATE_SERVER_VERSION_LENGTH: usize = 4usize

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pub fn new(sid: [u8; 16], gno: u64) -> GtidEvent

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pub fn with_flags(self, flags: GtidFlags) -> GtidEvent

Defines the flags value.

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pub fn flags_raw(&self) -> u8

Returns the raw flags value.

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pub fn flags(&self) -> GtidFlags

Returns the flags value. Unknown bits will be truncated.

00000001 – Transaction may have changes logged with SBR.

In 5.6, 5.7.0-5.7.18, and 8.0.0-8.0.1, this flag is always set. Starting in 5.7.19 and 8.0.2, this flag is cleared if the transaction only contains row events. It is set if any part of the transaction is written in statement format.

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pub fn with_sid(self, sid: [u8; 16]) -> GtidEvent

Defines the sid value.

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pub fn sid(&self) -> [u8; 16]

Returns the sid value.

sid is the UUID representing the SID.

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pub fn with_gno(self, gno: u64) -> GtidEvent

Defines the gno value.

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pub fn gno(&self) -> u64

Returns the gno value.

gno is a group number, second component of GTID.

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pub fn lc_typecode(&self) -> Option<u8>

Returns the lc_typecode value.

lc_typecode is the type of logical timestamp used in the logical clock fields.

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pub fn with_lc_typecode(self) -> GtidEvent

Sets the lc_typecode value to GtidEvent::LOGICAL_TIMESTAMP_TYPECODE.

This is already by default, but lc_typecode might be None if Self is obtained from an old MySql server via MyDeserialize::deserialize.

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pub fn with_last_committed(self, last_committed: u64) -> GtidEvent

Sets the last_committed value.

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pub fn last_committed(&self) -> u64

Returns the last_committed value.

last_committed stores the transaction’s commit parent sequence_number.

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pub fn with_sequence_number(self, sequence_number: u64) -> GtidEvent

Sets the sequence_number value.

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pub fn sequence_number(&self) -> u64

Returns the sequence_number value.

sequence_number is the transaction’s logical timestamp assigned at prepare phase.

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pub fn with_immediate_commit_timestamp( self, immediate_commit_timestamp: u64, ) -> GtidEvent

Sets the immediate_commit_timestamp value.

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pub fn immediate_commit_timestamp(&self) -> u64

Returns the immediate_commit_timestamp value.

immediate_commit_timestamp is a timestamp of commit on the immediate master.

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pub fn with_original_commit_timestamp( self, original_commit_timestamp: u64, ) -> GtidEvent

Sets the original_commit_timestamp value.

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pub fn original_commit_timestamp(&self) -> u64

Returns the original_commit_timestamp value.

original_commit_timestamp is the timestamp of commit on the originating master.

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pub fn with_tx_length(self, tx_length: u64) -> GtidEvent

Sets the tx_length value.

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pub fn tx_length(&self) -> u64

Returns the tx_length value.

tx_length is the packed transaction’s length in bytes, including the Gtid.

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pub fn with_original_server_version( self, original_server_version: u32, ) -> GtidEvent

Sets the original_server_version value.

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pub fn original_server_version(&self) -> u32

Returns the original_server_version value.

original_server_version is the version of the server where the transaction was originally executed.

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pub fn with_immediate_server_version( self, immediate_server_version: u32, ) -> GtidEvent

Sets the immediate_server_version value.

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pub fn immediate_server_version(&self) -> u32

Returns the immediate_server_version value.

immediate_server_version is the server version of the immediate server.

Trait Implementations§

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impl<'a> BinlogEvent<'a> for GtidEvent

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const EVENT_TYPE: EventType = EventType::GTID_EVENT

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

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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 GtidEvent

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fn clone(&self) -> GtidEvent

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 GtidEvent

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

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

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

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 GtidEvent

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const SIZE: Option<usize> = None

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: <GtidEvent as MyDeserialize<'de>>::Ctx, buf: &mut ParseBuf<'de>, ) -> Result<GtidEvent, Error>

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

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

Serializes self into the buf.
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impl PartialEq for GtidEvent

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fn eq(&self, other: &GtidEvent) -> 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 GtidEvent

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impl StructuralPartialEq for GtidEvent

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