Struct SourceInfo 

pub struct SourceInfo {
    pub expression: Expression,
    pub is_scope: bool,
    pub kind: SourceKind,
    pub alias: Option<String>,
    pub lineage_name: Option<String>,
}

Information about a source (table or subquery) in a scope

Fields

expression: Expression

The source expression (Table or subquery)

is_scope: bool

Whether this source is a scope (vs. a plain table)

kind: SourceKind

Semantic source kind for lineage consumers.

alias: Option<String>

User-written alias, when it should be preserved separately from lineage name.

lineage_name: Option<String>

Canonical lineage source name, e.g. synthetic _0 for virtual sources.

Implementations

impl SourceInfo

pub fn new(expression: Expression, is_scope: bool, kind: SourceKind) -> Self

pub fn with_alias(self, alias: impl Into<String>) -> Self

pub fn with_lineage_name(self, lineage_name: impl Into<String>) -> Self

Trait Implementations

impl Clone for SourceInfo

fn clone(&self) -> SourceInfo

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SourceInfo

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

Formats the value using the given formatter.