Struct UpdateBuilder 

pub struct UpdateBuilder<'a> { /* private fields */ }

UPDATE 查询构建器

Implementations

impl<'a> UpdateBuilder<'a>

pub fn new(conn: &'a Connection, table: impl Into<String>) -> Self

创建新的 UPDATE 构建器

pub fn set(self, column: &str, value: impl Into<Param>) -> Self

设置列值

pub fn filter( self, condition: &str, params: impl IntoIterator<Item = Param>, ) -> Self

添加 WHERE 条件

pub fn filter_eq(self, column: &str, value: impl Into<Param>) -> Self

添加 WHERE 条件（单参数便捷方法）

pub fn build(&self) -> (String, Vec<Param>)

构建 SQL 语句

pub fn execute(self) -> Result<usize, SqliteError>

执行更新，返回影响的行数