Struct Filter 

pub struct Filter {
    pub column: String,
    pub operator: Operator,
    pub value: Option<FilterValue>,
}

Filter condition

Fields

column: String

Column name

operator: Operator

Operator

value: Option<FilterValue>

Value (None for IS NULL/IS NOT NULL)

Implementations

impl Filter

pub fn new( column: String, operator: Operator, value: Option<FilterValue>, ) -> Self

Create a new filter

pub fn eq<T: Into<FilterValue>>(column: String, value: T) -> Self

Create an equality filter

pub fn ne<T: Into<FilterValue>>(column: String, value: T) -> Self

Create a not-equal filter

pub fn gt<T: Into<FilterValue>>(column: String, value: T) -> Self

Create a greater-than filter

pub fn in_values(column: String, values: Vec<String>) -> Self

Create an IN filter

pub fn is_null(column: String) -> Self

Create an IS NULL filter

pub fn to_sql(&self, param_index: &mut usize) -> String

Convert to SQL with parameterized value

Trait Implementations

impl Clone for Filter

fn clone(&self) -> Filter

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Filter

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

Formats the value using the given formatter.