Class VectorFilter

Namespace

Mythosia.VectorDb

Assembly

Mythosia.VectorDb.Abstractions.dll

Filter criteria for vector store queries and deletions. Top-level conditions are combined with AND logic. Supports fluent chaining — all methods return this.

public class VectorFilter

Inheritance

object

VectorFilter

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Constructors

VectorFilter()

public VectorFilter()

Properties

Conditions

The metadata filter conditions. Top-level conditions are AND-combined.

public IReadOnlyList<FilterCondition> Conditions { get; }

Property Value

IReadOnlyList<FilterCondition>

MinScore

Minimum similarity score threshold. Results below this score are excluded.

public double? MinScore { get; set; }

Property Value

double?

Methods

And(Action<VectorFilter>)

Adds an AND group. All conditions added to the inner filter must match. Useful for nesting AND inside an Or(Action<VectorFilter>) group.

public VectorFilter And(Action<VectorFilter> configure)

Parameters

configure Action<VectorFilter>

Returns

VectorFilter

AppendConditionsFrom(VectorFilter)

Appends all conditions from other into this filter. Used for filter merging (e.g., combining a pipeline-level store filter with a per-query filter).

public VectorFilter AppendConditionsFrom(VectorFilter other)

Parameters

other VectorFilter

Returns

VectorFilter

Or(Action<VectorFilter>)

Adds an OR group. At least one condition added to the inner filter must match.

public VectorFilter Or(Action<VectorFilter> configure)

Parameters

configure Action<VectorFilter>

Returns

VectorFilter

Where(string, string)

Adds an exact-match condition (key = value).

public VectorFilter Where(string key, string value)

Parameters

key string

value string

Returns

VectorFilter

WhereExists(string)

Adds a key-exists condition.

public VectorFilter WhereExists(string key)

Parameters

key string

Returns

VectorFilter

WhereGreaterThan(string, string)

Adds a greater-than condition (key > value). String comparison for non-numeric keys.

public VectorFilter WhereGreaterThan(string key, string value)

Parameters

key string

value string

Returns

VectorFilter

WhereGreaterThanOrEqual(string, string)

Adds a greater-than-or-equal condition (key >= value). String comparison for non-numeric keys.

public VectorFilter WhereGreaterThanOrEqual(string key, string value)

Parameters

key string

value string

Returns

VectorFilter

WhereIn(string, params string[])

Adds an IN condition (key IN (values)).

public VectorFilter WhereIn(string key, params string[] values)

Parameters

key string

values string[]

Returns

VectorFilter

WhereLessThan(string, string)

Adds a less-than condition (key < value). String comparison for non-numeric keys.

public VectorFilter WhereLessThan(string key, string value)

Parameters

key string

value string

Returns

VectorFilter

WhereLessThanOrEqual(string, string)

Adds a less-than-or-equal condition (key <= value). String comparison for non-numeric keys.

public VectorFilter WhereLessThanOrEqual(string key, string value)

Parameters

key string

value string

Returns

VectorFilter

WhereLike(string, string)

Adds a SQL LIKE pattern condition. Use % for any sequence of characters and _ for any single character.

public VectorFilter WhereLike(string key, string pattern)

Parameters

key string

pattern string

Returns

VectorFilter

WhereNot(string, string)

Adds a not-equal condition (key != value). Records without the key do not match.

public VectorFilter WhereNot(string key, string value)

Parameters

key string

value string

Returns

VectorFilter

WhereNotExists(string)

Adds a key-does-not-exist condition.

public VectorFilter WhereNotExists(string key)

Parameters

key string

Returns

VectorFilter

WhereNotIn(string, params string[])

Adds a NOT-IN condition (key NOT IN (values)). Records without the key do not match.

public VectorFilter WhereNotIn(string key, params string[] values)

Parameters

key string

values string[]

Returns

VectorFilter

WithMinScore(double)

Sets the minimum similarity score threshold and returns this for chaining.

public VectorFilter WithMinScore(double minScore)

Parameters

minScore double

Returns

VectorFilter