Function fold_constant_default

nodedb-sql/src/planner/const_fold.rs:40–42

Convenience wrapper around [`fold_constant`] using the default registry.

(expr: &SqlExpr)

/// Convenience wrapper around [`fold_constant`] using the default registry.
pub fn fold_constant_default(expr: &SqlExpr) -> Option<SqlValue> {
    fold_constant(expr, default_registry())
}

/// Fold a `SqlExpr` to a literal `SqlValue` at plan time, or return
/// `None` if the expression depends on row/runtime state (column refs,