pub struct MySqlDialect;Expand description
MySQL 方言实现
Trait Implementations§
Source§impl Clone for MySqlDialect
impl Clone for MySqlDialect
Source§fn clone(&self) -> MySqlDialect
fn clone(&self) -> MySqlDialect
Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreSource§impl Debug for MySqlDialect
impl Debug for MySqlDialect
Source§impl Dialect for MySqlDialect
impl Dialect for MySqlDialect
Source§fn build_upsert_on_conflict(
&self,
_conflict_columns: &[&str],
update_columns: &[&str],
all_columns: &[String],
) -> Option<String>
fn build_upsert_on_conflict( &self, _conflict_columns: &[&str], update_columns: &[&str], all_columns: &[String], ) -> Option<String>
P2-6:MySQL 批量 upsert — ON DUPLICATE KEY UPDATE col=VALUES(col), ...
MySQL 不需要指定冲突列(自动检测唯一键/主键冲突)。
conflict_columns 参数在 MySQL 方言中被忽略。
Source§fn escape_string(&self, s: &str) -> String
fn escape_string(&self, s: &str) -> String
转义字符串字面量,确保可安全嵌入 SQL
Source§fn supports_returning(&self) -> bool
fn supports_returning(&self) -> bool
该方言是否支持 RETURNING 子句
Source§fn bool_to_int(&self, expr: &str) -> String
fn bool_to_int(&self, expr: &str) -> String
将布尔表达式转换为整型存储
Source§fn supports_if_exists(&self) -> bool
fn supports_if_exists(&self) -> bool
该方言是否支持 IF EXISTS
Source§fn supports_if_not_exists(&self) -> bool
fn supports_if_not_exists(&self) -> bool
该方言是否支持 IF NOT EXISTS
Source§fn auto_increment_keyword(&self) -> &'static str
fn auto_increment_keyword(&self) -> &'static str
获取自增列关键字
Source§fn build_alter_table(&self, table: &str, changes: &[TableChange]) -> String
fn build_alter_table(&self, table: &str, changes: &[TableChange]) -> String
生成 ALTER TABLE 语句
Source§fn build_lock_clause(&self, lock_type: LockType) -> Option<String>
fn build_lock_clause(&self, lock_type: LockType) -> Option<String>
P2-3:生成行锁子句(TASK-025/026) Read more
Source§fn build_insert_or_ignore_prefix(&self, table: &str) -> String
fn build_insert_or_ignore_prefix(&self, table: &str) -> String
P2-4:生成
INSERT OR IGNORE 前缀(TASK-027) Read moreSource§fn quote_checked(&self, identifier: &str) -> Result<String, DbError>
fn quote_checked(&self, identifier: &str) -> Result<String, DbError>
L-4 修复:带校验的引用标识符 Read more
Source§fn supports_lock_for_update(&self) -> bool
fn supports_lock_for_update(&self) -> bool
P2-3:该方言是否支持
FOR UPDATE 行锁(TASK-029) Read moreP2-3:该方言是否支持共享锁(TASK-029) Read more
Auto Trait Implementations§
impl Freeze for MySqlDialect
impl RefUnwindSafe for MySqlDialect
impl Send for MySqlDialect
impl Sync for MySqlDialect
impl Unpin for MySqlDialect
impl UnsafeUnpin for MySqlDialect
impl UnwindSafe for MySqlDialect
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
Source§impl<T> Instrument for T
impl<T> Instrument for T
Source§fn instrument(self, span: Span) -> Instrumented<Self> ⓘ
fn instrument(self, span: Span) -> Instrumented<Self> ⓘ
Source§fn in_current_span(self) -> Instrumented<Self> ⓘ
fn in_current_span(self) -> Instrumented<Self> ⓘ
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
Converts
self into a Left variant of Either<Self, Self>
if into_left is true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
Converts
self into a Left variant of Either<Self, Self>
if into_left(&self) returns true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read more