Enum SourceKind 

pub enum SourceKind {
    Name(String),
    Subject(String),
    Subquery(Box<Query>),
}

The kind of data source.

EventQL supports three types of sources:

• Named sources (e.g., FROM e IN events)
• Subject patterns (e.g., FROM e IN "users/john")
• Subqueries (e.g., FROM e IN (SELECT ...))

Variants

Name(String)

Named source (identifier)

Subject(String)

Subject pattern (string literal used as event subject pattern)

Subquery(Box<Query>)

Nested subquery

Trait Implementations

impl Clone for SourceKind

fn clone(&self) -> SourceKind

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SourceKind

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

Formats the value using the given formatter.

impl Serialize for SourceKind

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.