Struct mysql_common::binlog::events::FormatDescriptionEvent[−][src]

pub struct FormatDescriptionEvent<'a> { /* fields omitted */ }

Expand description

A format description event is the first event of a binlog for binlog-version 4.

It describes how the other events are layed out.

Implementations

impl<'a> FormatDescriptionEvent<'a>

pub const SERVER_VER_LEN: usize

Length of a server version string.

pub const SERVER_VER_OFFSET: usize

Offset of a server version string.

pub const QUERY_HEADER_MINIMAL_LEN: usize

Length of a query event post-header, where 3.23, 4.x and 5.0 agree.

pub const QUERY_HEADER_LEN: usize

Length of a query event post-header, where 5.0 differs: 2 for length of N-bytes vars.

pub const STOP_HEADER_LEN: usize

Length of a stop event post-header.

pub const START_V3_HEADER_LEN: usize

Length of a start event post-header.

pub const ROTATE_HEADER_LEN: usize

Length of a rotate event post-header.

pub const INTVAR_HEADER_LEN: usize

Length of an intvar event post-header.

pub const APPEND_BLOCK_HEADER_LEN: usize

Length of an append block event post-header.

pub const DELETE_FILE_HEADER_LEN: usize

Length of a delete file event post-header.

pub const RAND_HEADER_LEN: usize

Length of a rand event post-header.

pub const USER_VAR_HEADER_LEN: usize

Length of a user var event post-header.

pub const FORMAT_DESCRIPTION_HEADER_LEN: usize

Length of a fde event post-header.

pub const XID_HEADER_LEN: usize

Length of a xid event post-header.

pub const BEGIN_LOAD_QUERY_HEADER_LEN: usize

Length of a begin load query event post-header.

pub const ROWS_HEADER_LEN_V1: usize

Length of a v1 rows query event post-header.

pub const TABLE_MAP_HEADER_LEN: usize

Length of a table map event post-header.

pub const EXECUTE_LOAD_QUERY_EXTRA_HEADER_LEN: usize

Length of an execute load query event extra header.

pub const EXECUTE_LOAD_QUERY_HEADER_LEN: usize

Length of an execute load query event post-header.

pub const INCIDENT_HEADER_LEN: usize

Length of an incident event post-header.

pub const HEARTBEAT_HEADER_LEN: usize

Length of a heartbeat event post-header.

pub const IGNORABLE_HEADER_LEN: usize

Length of an ignorable event post-header.

pub const ROWS_HEADER_LEN_V2: usize

Length of a rows events post-header.

pub const GTID_HEADER_LEN: usize

Length of a gtid events post-header.

pub const TRANSACTION_CONTEXT_HEADER_LEN: usize

Length of an incident event post-header.

pub const VIEW_CHANGE_HEADER_LEN: usize

Length of a view change event post-header.

pub const XA_PREPARE_HEADER_LEN: usize

Length of a xa prepare event post-header.

pub fn new(binlog_version: BinlogVersion) -> Self

Creates new instance.

pub fn with_binlog_version(self, binlog_version: BinlogVersion) -> Self

Defines the server_version field.

pub fn with_server_version(
self,
server_version: impl Into<Cow<'a, [u8 ]>>
) -> Self

Defines the server_version field.

pub fn with_create_timestamp(self, create_timestamp: u32) -> Self

Defines the server_version field.

pub fn with_event_type_header_lengths(
self,
event_type_header_lengths: impl Into<Cow<'a, [u8 ]>>
) -> Self

Defines the server_version field.

pub fn with_footer(self, footer: BinlogEventFooter) -> Self

Defines the server_version field.

pub fn binlog_version(&self) -> BinlogVersion

Returns the binlog_version field value.

pub fn server_version_raw(&'a self) -> &'a [u8 ]ⓘ
Notable traits for &'_ mut [u8 ]
`impl<'_> Write for &'_ mut [u8]impl<'_> Read for &'_ [u8]`

Returns the server_version field value.

server_version is the version of the MySQL Server that created the binlog.

pub fn server_version(&'a self) -> Cow<'a, str>

Returns the server_version field value as string (lossy converted).

pub fn create_timestamp(&self) -> u32

Returns the create_timestamp field value.

created_timestamp is the creation timestamp, if non-zero, is the time in seconds when this event was created.

pub fn event_header_length(&self) -> u8

Returns the event_header_length field value.

event_header_length is the length of the event header. This value includes the extra_headers field, so this header length is 19.

pub fn event_type_header_lengths(&'a self) -> &'a [u8 ]ⓘ
Notable traits for &'_ mut [u8 ]
`impl<'_> Write for &'_ mut [u8]impl<'_> Read for &'_ [u8]`

Returns the event_type_header_lengths field value.

event_type_header_lengths is the lengths for the fixed data part of each event. An array indexed by Binlog Event Type - 1.

Returns the footer field value.

pub fn split_version(&self) -> (u8, u8, u8 )

Returns a parsed MySql version.

pub fn get_event_type_header_length(&self, event_type: EventType) -> u8

Returns header length for the given event type, if defined.

pub fn into_owned(self) -> FormatDescriptionEvent<'static>

Returns a 'static version of self.

Trait Implementations

impl<'a> BinlogEvent<'a> for FormatDescriptionEvent<'a>

const EVENT_TYPE: EventType

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

impl<'a> BinlogStruct<'a> for FormatDescriptionEvent<'a>

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

Returns serialized length of this struct in bytes. Read more

impl<'a> Clone for FormatDescriptionEvent<'a>

fn clone(&self) -> FormatDescriptionEvent<'a>

Returns a copy of the value. Read more

1.0.0[src]

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

Performs copy-assignment from source. Read more

impl<'a> Debug for FormatDescriptionEvent<'a>

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

Formats the value using the given formatter. Read more

impl<'a> Hash for FormatDescriptionEvent<'a>

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

Feeds this value into the given Hasher. Read more

1.3.0[src]

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

Feeds a slice of this type into the given Hasher. Read more

impl<'de> MyDeserialize<'de> for FormatDescriptionEvent<'de>

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. Read more

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

Deserializes self from the given buf. Read more

impl MySerialize for FormatDescriptionEvent<'_>

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

Serializes self into the buf.

impl<'a> PartialEq<FormatDescriptionEvent<'a>> for FormatDescriptionEvent<'a>

fn eq(&self, other: &FormatDescriptionEvent<'a>) -> bool

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

fn ne(&self, other: &FormatDescriptionEvent<'a>) -> bool

This method tests for !=.

impl<'a> Eq for FormatDescriptionEvent<'a>

impl<'a> StructuralEq for FormatDescriptionEvent<'a>

impl<'a> StructuralPartialEq for FormatDescriptionEvent<'a>

Auto Trait Implementations

impl<'a> RefUnwindSafe for FormatDescriptionEvent<'a>

impl<'a> Send for FormatDescriptionEvent<'a>

impl<'a> Sync for FormatDescriptionEvent<'a>

impl<'a> Unpin for FormatDescriptionEvent<'a>

impl<'a> UnwindSafe for FormatDescriptionEvent<'a>

Blanket Implementations

impl<T> Any for T where
T: 'static + ?Sized,

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Gets the TypeId of self. Read more

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T: ?Sized,

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self
) -> Result<CNil, <Choices as CoproductSubsetter<CNil, HNil>>::Remainder>

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fn fmt_binary(self) -> FmtBinary<Self> where
Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.

fn fmt_display(self) -> FmtDisplay<Self> where
Self: Display,

Causes self to use its Display implementation when Debug-formatted. Read more

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Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted. Read more

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Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted. Read more

fn fmt_octal(self) -> FmtOctal<Self> where
Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.

fn fmt_pointer(self) -> FmtPointer<Self> where
Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted. Read more

fn fmt_upper_exp(self) -> FmtUpperExp<Self> where
Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted. Read more

fn fmt_upper_hex(self) -> FmtUpperHex<Self> where
Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted. Read more

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pub fn from(t: T) -> T

Performs the conversion.

impl<T, U> Into<U> for T where
U: From<T>,

pub fn into(self) -> U

Performs the conversion.

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pub fn lift_into(self) -> U

Performs the indexed conversion.

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Pipes by value. This is generally the method you want to use. Read more

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R: 'a,

Borrows self and passes that borrow into the pipe function. Read more

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Mutably borrows self and passes that borrow into the pipe function. Read more

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    Self: Borrow<B>,
    B: 'a + ?Sized,
    R: 'a,

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    &'a mut self,
    func: impl FnOnce(&'a mut B) -> R
) -> R where
    Self: BorrowMut<B>,
    B: 'a + ?Sized,
    R: 'a,

Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more

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    Self: AsRef<U>,
    U: 'a + ?Sized,
    R: 'a,

Borrows self, then passes self.as_ref() into the pipe function.

fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R where
    Self: AsMut<U>,
    U: 'a + ?Sized,
    R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function. Read more

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    Self: Deref<Target = T>,
    T: 'a + ?Sized,
    R: 'a,

Borrows self, then passes self.deref() into the pipe function.

fn pipe_deref_mut<'a, T, R>(
    &'a mut self,
    func: impl FnOnce(&'a mut T) -> R
) -> R where
    Self: DerefMut<Target = T> + Deref,
    T: 'a + ?Sized,
    R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function. Read more

impl<T> Same<T> for T

type Output = T

Should always be Self

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type Remainder = Source

pub fn sculpt(self) -> (HNil, <Source as Sculptor<HNil, HNil>>::Remainder)

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fn tap(self, func: impl FnOnce(&Self)) -> Self

Immutable access to a value. Read more

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fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self where
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B: ?Sized,

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Self: AsMut<R>,
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Self: Deref<Target = T>,
T: ?Sized,

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fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self where
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Calls .tap_ref() only in debug builds, and is erased in release builds. Read more

fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self where
Self: AsMut<R>,
R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds. Read more

fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self where
Self: Deref<Target = T>,
T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds. Read more

fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self where
Self: DerefMut<Target = T> + Deref,
T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds. Read more

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

recently added

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