Struct MetadataIndex 

pub struct MetadataIndex { /* private fields */ }

Metadata index - collection of field indexes

Implementations

impl MetadataIndex

pub fn new() -> Self

pub fn keyword_index(&mut self, field: &str) -> Option<&mut KeywordIndex>

Create or get a keyword index for a field. Returns None if the field exists with a different type.

pub fn boolean_index(&mut self, field: &str) -> Option<&mut BooleanIndex>

Create or get a boolean index for a field. Returns None if the field exists with a different type.

pub fn numeric_index(&mut self, field: &str) -> Option<&mut NumericIndex>

Create or get a numeric index for a field. Returns None if the field exists with a different type.

pub fn get(&self, field: &str) -> Option<&FieldIndex>

Get a field index

pub fn index_json(&mut self, doc_id: u32, metadata: &Value)

Index a JSON metadata object. Silently skips fields with inconsistent types across documents.

pub fn remove(&mut self, doc_id: u32)

Remove a document from all indexes

pub fn matches(&self, doc_id: u32, filter: &Filter) -> bool

Evaluate a filter expression (returns true if matches)

Trait Implementations

impl Clone for MetadataIndex

fn clone(&self) -> MetadataIndex

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MetadataIndex

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

Formats the value using the given formatter.

impl Default for MetadataIndex

fn default() -> MetadataIndex

Returns the “default value” for a type.