Struct MetaParts 

pub struct MetaParts {
    pub ep: u8,
    pub sess_id: String,
    pub thrd_id: String,
    pub username: String,
    pub trxid: String,
    pub statement: String,
    pub appname: String,
    pub client_ip: String,
}

元数据部分

包含日志记录的所有元数据字段，如会话 ID、用户名等。

Fields

ep: u8

EP（Execution Point）编号，范围 0-255

sess_id: String

会话 ID

thrd_id: String

线程 ID

username: String

用户名

trxid: String

事务 ID

statement: String

语句 ID

appname: String

应用程序名称

client_ip: String

客户端 IP 地址（可选）

Implementations

impl MetaParts

pub fn has_client_ip(&self) -> bool

判断是否有客户端 IP 信息

返回

如果存在客户端 IP 返回 true，否则返回 false

Trait Implementations

impl Clone for MetaParts

fn clone(&self) -> MetaParts

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MetaParts

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

Formats the value using the given formatter.

impl Default for MetaParts

fn default() -> MetaParts

Returns the “default value” for a type.

impl PartialEq for MetaParts

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

Tests for self and other values to be equal, and is used by ==.

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

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

impl StructuralPartialEq for MetaParts