Filter: Filter Class for Metadata Filtering

In VectrixDB: Lightweight Vector Database with Embedded Machine Learning Models

Filter Class for Metadata Filtering

Description

Build metadata filters for search queries

Public fields

conditions

List of filter conditions

Methods

Public methods

• Filter$new()

• Filter$eq()

• Filter$ne()

• Filter$gt()

• Filter$lt()

• Filter$in_list()

• Filter$to_list()

• Filter$clone()

---

Method new()

Create a new Filter

Usage

Filter$new(...)

Arguments

...

Named filter conditions

---

Method eq()

Add equality condition

Usage

Filter$eq(field, value)

Arguments

field

Field name

value

Value to match

Returns

Self for chaining

---

Method ne()

Add not-equal condition

Usage

Filter$ne(field, value)

Arguments

field

Field name

value

Value to exclude

Returns

Self for chaining

---

Method gt()

Add greater-than condition

Usage

Filter$gt(field, value)

Arguments

field

Field name

value

Threshold value

Returns

Self for chaining

---

Method lt()

Add less-than condition

Usage

Filter$lt(field, value)

Arguments

field

Field name

value

Threshold value

Returns

Self for chaining

---

Method in_list()

Add in-list condition

Usage

Filter$in_list(field, values)

Arguments

field

Field name

values

Vector of values

Returns

Self for chaining

---

Method to_list()

Convert to list for API

Usage

Filter$to_list()

Returns

List representation

---

Method clone()

The objects of this class are cloneable with this method.

Usage

Filter$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.

VectrixDB documentation built on Feb. 20, 2026, 5:09 p.m.