Struct DataSourceDecl 

pub struct DataSourceDecl {
    pub name: String,
    pub name_span: Span,
    pub schema: TypeAnnotation,
    pub provider_expr: Expr,
}

Data source declaration: datasource MarketData: DataSource<CandleRow> = provider("market_data")

Fields

name: String

name_span: Span

schema: TypeAnnotation

Output schema type (e.g., CandleRow)

provider_expr: Expr

Provider expression (e.g., provider(“postgres”))

Trait Implementations

impl Clone for DataSourceDecl

fn clone(&self) -> DataSourceDecl

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DataSourceDecl

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for DataSourceDecl

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for DataSourceDecl

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

where __S: Serializer,

Serialize this value into the given Serde serializer.