Module filter 

Query filter system inspired by Laravel Filter Query String

Provides a flexible, type-safe filtering system for database queries. Supports complex query expressions through URL-friendly parameters.

Example Query String

?username[contain]=john&age[gt]=18&status[eq]=active&orderby=name&limit=10

Supported Operators

Operator	Description	SQL Equivalent
eq	Equal	field = value
notEq	Not equal	field != value
gt	Greater than	field > value
gte / gtEq	Greater or equal	field >= value
lt	Less than	field < value
lte / ltEq	Less or equal	field <= value
like	Case-sensitive LIKE	field LIKE value
ilike	Case-insensitive LIKE	field ILIKE value
notlike	NOT LIKE	field NOT LIKE value
contain	Contains	field LIKE %value%
notcontain	Does not contain	field NOT LIKE %value%
startwith	Starts with	field LIKE value%
endwith	Ends with	field LIKE %value
in	In array	field IN (...)
notin	Not in array	field NOT IN (...)
between	Between two values	field BETWEEN a AND b
notbetween	Not between	field NOT BETWEEN a AND b
isnull	Is null	field IS NULL
isnotnull	Is not null	field IS NOT NULL
or	OR condition	OR field = value

Re-exports

pub use cursor::CursorPayload;

pub use cursor::CursorError;

pub use cursor::encode_cursor;

pub use cursor::decode_cursor;

Modules

cursor

Keyset (cursor) paging for the generic list endpoint.

Structs

FilterCondition

A single filter condition

QueryFilter

Complete query filter specification

SortSpec

Sort specification

Enums

FilterLogical

Logical operator for combining conditions

FilterOperator

Filter operator types

FilterValue

Filter condition value

SortDirection

Sort direction

Traits

FilterableEntity

Trait for entities to declare which fields are allowed in filter queries.

Functions

is_valid_field

Validate a field name against an allow-list

parse_filters

Parse filter from query parameters HashMap

sanitize_field_name

Sanitize a field name for SQL identifier use