Struct FilterSet 

pub struct FilterSet {
    pub filters: Vec<FilterParam>,
}

A set of filter parameters for a query.

Fields

filters: Vec<FilterParam>

Implementations

impl FilterSet

pub fn from_query_params( params: &HashMap<String, String>, allowed_fields: &[String], ) -> Self

Parses filter parameters from a query string map.

Expects keys in the format filter[field_name]. Only includes filters for fields that are in the allowed_fields list.

pub fn is_empty(&self) -> bool

Returns true if there are no filters.

pub fn apply_to_sql( &self, sql: &mut String, has_where: bool, param_offset: usize, ) -> usize

Appends WHERE clauses to the given SQL string.

param_offset is the starting $N parameter index. Returns the new parameter offset after appending.

Trait Implementations

impl Clone for FilterSet

fn clone(&self) -> FilterSet

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FilterSet

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

Formats the value using the given formatter.

impl Default for FilterSet

fn default() -> FilterSet

Returns the “default value” for a type.