Struct ColumnReferenceFact 

pub struct ColumnReferenceFact {
    pub source_name: Option<String>,
    pub source_alias: Option<String>,
    pub source_kind: SourceKind,
    pub table: Option<String>,
    pub column: String,
    pub unqualified: bool,
    pub confidence: ReferenceConfidence,
    pub path_transform_kind: Option<TransformKind>,
    pub path_functions: Vec<String>,
    pub path_window: bool,
}

Compact fact about an upstream column reference.

Fields

source_name: Option<String>

source_alias: Option<String>

source_kind: SourceKind

table: Option<String>

column: String

unqualified: bool

confidence: ReferenceConfidence

path_transform_kind: Option<TransformKind>

Strongest transform on the lineage path from this reference to the projection output, through CTEs, derived tables, and set-operation branches. Steps rank Direct < Star < Cast < Expression < Aggregation; a Constant step has no upstream reference. Only projection upstream references carry this field.

path_functions: Vec<String>

Function names on the same path, from the output to the source, in the dialect spelling (ROUND, SUM, ROW_NUMBER). Operators, CASE, and casts are not functions.

path_window: bool

True when a step on the path is a window function.

Trait Implementations

impl Clone for ColumnReferenceFact

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ColumnReferenceFact

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ColumnReferenceFact

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ColumnReferenceFact

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

where __S: Serializer,

Serialize this value into the given Serde serializer.