Struct Chain 

pub struct Chain { /* private fields */ }

条件链。

Implementations

impl Chain

pub fn new() -> Self

pub fn add_condition(self, condition: Condition) -> Self

pub fn equal( self, field: impl Into<String>, value: impl Into<ConditionValue>, ) -> Self

pub fn value_fn( self, f: impl Fn() -> ConditionValue + Send + Sync + 'static, ) -> Self

为最近一次添加的条件设置 value_fn（优先级高于显式 value），贴近 Go 版 WithValueFunc。

pub fn skip(self, skip: bool) -> Self

为最近一次添加的条件设置 skip，贴近 Go 版 WithSkip。

pub fn skip_fn(self, f: impl Fn() -> bool + Send + Sync + 'static) -> Self

为最近一次添加的条件设置 skip_fn（优先级高于 skip），贴近 Go 版 WithSkipFunc。

pub fn equal_opts( self, field: impl Into<String>, value: impl Into<ConditionValue>, opts: ChainOptions, ) -> Self

pub fn not_equal( self, field: impl Into<String>, value: impl Into<ConditionValue>, ) -> Self

pub fn is_null(self, field: impl Into<String>) -> Self

pub fn is_not_null(self, field: impl Into<String>) -> Self

pub fn greater_than( self, field: impl Into<String>, value: impl Into<ConditionValue>, ) -> Self

pub fn less_than( self, field: impl Into<String>, value: impl Into<ConditionValue>, ) -> Self

pub fn greater_equal_than( self, field: impl Into<String>, value: impl Into<ConditionValue>, ) -> Self

pub fn less_equal_than( self, field: impl Into<String>, value: impl Into<ConditionValue>, ) -> Self

pub fn like( self, field: impl Into<String>, value: impl Into<ConditionValue>, ) -> Self

pub fn not_like( self, field: impl Into<String>, value: impl Into<ConditionValue>, ) -> Self

pub fn between( self, field: impl Into<String>, value: impl Into<ConditionValue>, ) -> Self

pub fn in_( self, field: impl Into<String>, value: impl Into<ConditionValue>, ) -> Self

pub fn not_in( self, field: impl Into<String>, value: impl Into<ConditionValue>, ) -> Self

pub fn or( self, fields: impl IntoIterator<Item = impl Into<String>>, operators: impl IntoIterator<Item = Operator>, values: impl IntoIterator<Item = impl Into<ConditionValue>>, opts: ChainOptions, ) -> Self

pub fn order_by(self, value: impl Into<ConditionValue>) -> Self

pub fn order_by_desc(self, field: impl Into<String>) -> Self

pub fn order_by_asc(self, field: impl Into<String>) -> Self

pub fn limit(self, value: impl Into<ConditionValue>) -> Self

pub fn offset(self, value: impl Into<ConditionValue>) -> Self

pub fn page(self, page: i64, page_size: i64) -> Self

pub fn group_by(self, field: impl Into<String>) -> Self

pub fn join( self, option: JoinOption, table: impl Into<String>, on_expr: impl IntoIterator<Item = impl Into<String>>, ) -> Self

pub fn where_clause(self, wc: WhereClauseRef) -> Self

pub fn build(self) -> Vec<Condition>

Trait Implementations

impl Clone for Chain

fn clone(&self) -> Chain

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Chain

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

Formats the value using the given formatter.

impl Default for Chain

fn default() -> Chain

Returns the “default value” for a type.