Function is_lateral

datafusion/sql/src/relation/join.rs:183–190

Returns `true` if the given [`TableFactor`] is lateral.

(factor: &TableFactor)

/// Returns `true` if the given [`TableFactor`] is lateral.
pub(crate) fn is_lateral(factor: &TableFactor) -> bool {
    match factor {
        TableFactor::Derived { lateral, .. } => *lateral,
        TableFactor::Function { lateral, .. } => *lateral,
        TableFactor::UNNEST { .. } => true,
        _ => false,
    }
}

/// Returns `true` if the given [`Join`] is lateral.
pub(crate) fn is_lateral_join(join: &Join) -> Result<bool> {