Enum QueryResultItem 

pub enum QueryResultItem<'store> {
    None,
    TextSelection(ResultTextSelection<'store>),
    Annotation(ResultItem<'store, Annotation>),
    TextResource(ResultItem<'store, TextResource>),
    DataKey(ResultItem<'store, DataKey>),
    AnnotationData(ResultItem<'store, AnnotationData>),
    AnnotationDataSet(ResultItem<'store, AnnotationDataSet>),
    AnnotationSubStore(ResultItem<'store, AnnotationSubStore>),
}

This structure encapsulates the different kind of result items that can be returned from queries. See AnnotationStore::query() for an example of it in use.

Variants

None

No result

TextSelection(ResultTextSelection<'store>)

Corresponds to result type TEXT in STAMQL

Annotation(ResultItem<'store, Annotation>)

Corresponds to result type ANNOTATION in STAMQL

TextResource(ResultItem<'store, TextResource>)

Corresponds to result type RESOURCE in STAMQL

DataKey(ResultItem<'store, DataKey>)

Corresponds to result type KEY in STAMQL

AnnotationData(ResultItem<'store, AnnotationData>)

Corresponds to result type DATA in STAMQL

AnnotationDataSet(ResultItem<'store, AnnotationDataSet>)

Corresponds to result type DATASET in STAMQL

AnnotationSubStore(ResultItem<'store, AnnotationSubStore>)

Corresponds to result type SUBSTORE in STAMQL

Implementations

impl<'store> QueryResultItem<'store>

pub fn text( &self, delimiter: Option<&str>, ) -> Result<Cow<'store, str>, StamError>

pub fn to_json_string(&self) -> Result<String, StamError>

pub fn to_json_value(&self) -> Result<Value, StamError>

Trait Implementations

impl<'store> Clone for QueryResultItem<'store>

fn clone(&self) -> QueryResultItem<'store>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'store> Debug for QueryResultItem<'store>

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

Formats the value using the given formatter.

impl<'store> PartialEq for QueryResultItem<'store>

fn eq(&self, other: &QueryResultItem<'store>) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<'store> StructuralPartialEq for QueryResultItem<'store>