Method resolve_column

src/sql/src/plan/scope.rs:394–408

Resolves references to a column name to a single column, or errors if multiple columns are equally valid references.

(
        &'a self,
        outer_scopes: &[Scope],
        column_name: &ColumnName,
        name_manager: &mut NameManager,
    )

    /// Resolves references to a column name to a single column, or errors if
    /// multiple columns are equally valid references.
    pub fn resolve_column<'a>(
        &'a self,
        outer_scopes: &[Scope],
        column_name: &ColumnName,
        name_manager: &mut NameManager,
    ) -> Result<(ColumnRef, Arc<str>), PlanError> {
        let table_name = None;
        self.resolve_internal(
            outer_scopes,
            |c| c.allow_unqualified_references(),
            table_name,
            column_name,
            name_manager,
        )
    }

    /// Resolves a column name in a `USING` clause.
    pub fn resolve_using_column(