Struct ColumnExpr 

pub struct ColumnExpr {
    pub col: String,
}

Представляет одно поле таблицы в контексте построения запроса.

Fields

col: String

Имя колонки (как в БД), напр. "email"

Implementations

impl ColumnExpr

pub fn new(col: impl Into<String>) -> Self

pub fn eq<V: Into<SqlValue>>(&self, val: V) -> FilterExpr

pub fn ne<V: Into<SqlValue>>(&self, val: V) -> FilterExpr

pub fn gt<V: Into<SqlValue>>(&self, val: V) -> FilterExpr

pub fn gte<V: Into<SqlValue>>(&self, val: V) -> FilterExpr

pub fn lt<V: Into<SqlValue>>(&self, val: V) -> FilterExpr

pub fn lte<V: Into<SqlValue>>(&self, val: V) -> FilterExpr

pub fn like(&self, pattern: impl Into<String>) -> FilterExpr

pub fn ilike(&self, pattern: impl Into<String>) -> FilterExpr

pub fn starts_with(&self, prefix: impl Into<String>) -> FilterExpr

pub fn ends_with(&self, suffix: impl Into<String>) -> FilterExpr

pub fn contains(&self, substr: impl Into<String>) -> FilterExpr

pub fn matches_regex(&self, pattern: impl Into<String>) -> FilterExpr

pub fn in_<V: Into<SqlValue> + Clone>( &self, values: impl IntoIterator<Item = V>, ) -> FilterExpr

pub fn not_in<V: Into<SqlValue>>( &self, values: impl IntoIterator<Item = V>, ) -> FilterExpr

pub fn between<V: Into<SqlValue>>(&self, low: V, high: V) -> FilterExpr

pub fn is_null(&self) -> FilterExpr

pub fn is_not_null(&self) -> FilterExpr

pub fn is_true(&self) -> FilterExpr

pub fn is_false(&self) -> FilterExpr

pub fn before<V: Into<SqlValue>>(&self, date: V) -> FilterExpr

pub fn after<V: Into<SqlValue>>(&self, date: V) -> FilterExpr

pub fn in_last(&self, n: u32, unit: TimeUnit) -> FilterExpr

col > NOW() - INTERVAL 'N unit'

pub fn this_week(&self) -> FilterExpr

pub fn this_month(&self) -> FilterExpr

pub fn this_year(&self) -> FilterExpr

pub fn json_eq(&self, key: &str, val: impl Into<String>) -> FilterExpr

pub fn json_has_key(&self, key: &str) -> FilterExpr

pub fn json_contains(&self, val: Value) -> FilterExpr

pub fn asc(&self) -> OrderExpr

pub fn desc(&self) -> OrderExpr

pub fn expr(&self) -> String

Возвращает выражение для SELECT списка

Trait Implementations

impl Clone for ColumnExpr

fn clone(&self) -> ColumnExpr

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ColumnExpr

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

Formats the value using the given formatter.