Enum QueryAst 

pub enum QueryAst {
    Select(SelectQuery),
    Find(FindQuery),
    Aggregate(AggregateQuery),
    TemporalJoin(TemporalJoinQuery),
    Stream(StreamQuery),
    Explain(Box<QueryAst>),
    Macro(MacroDefinition),
    Lineage(LineageQuery),
}

Root AST node for every query type Syna Query understands.

Variants

Select(SelectQuery)

SQL-like SELECT statement.

Find(FindQuery)

MongoDB-like find document.

Aggregate(AggregateQuery)

Aggregation query (SELECT AVG(value) FROM ...).

TemporalJoin(TemporalJoinQuery)

Temporal join query.

Stream(StreamQuery)

Streaming (continuous) query.

Explain(Box<QueryAst>)

EXPLAIN or EXPLAIN ANALYZE wrapping another query.

Macro(MacroDefinition)

Macro definition (CREATE MACRO …).

Lineage(LineageQuery)

Data lineage query (LINEAGE() / DERIVED_FROM()).

Trait Implementations

impl Clone for QueryAst

fn clone(&self) -> QueryAst

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for QueryAst

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for QueryAst

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for QueryAst

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

Formats the value using the given formatter.

impl PartialEq for QueryAst

fn eq(&self, other: &QueryAst) -> bool

Equality operator ==.

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

Inequality operator !=.

impl Serialize for QueryAst

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for QueryAst