Method functional_dependencies

datafusion/common/src/dfschema.rs:881–883

Get functional dependencies

(&self)

    /// Get functional dependencies
    pub fn functional_dependencies(&self) -> &FunctionalDependencies {
        &self.functional_dependencies
    }

    /// Iterate over the qualifiers and fields in the DFSchema
    pub fn iter(&self) -> impl Iterator<Item = (Option<&TableReference>, &FieldRef)> {