Function write_binary_operand

src/sql-parser/src/ast/defs/expr.rs:815–827

Write `operand` for a binary operator, parenthesizing it iff `needs_parens`.

(
    f: &mut AstFormatter<W>,
    operand: &Expr<T>,
    needs_parens: bool,
)

/// Write `operand` for a binary operator, parenthesizing it iff `needs_parens`.
fn write_binary_operand<W: fmt::Write, T: AstInfo>(
    f: &mut AstFormatter<W>,
    operand: &Expr<T>,
    needs_parens: bool,
) {
    if needs_parens {
        f.write_str("(");
        f.write_node(operand);
        f.write_str(")");
    } else {
        f.write_node(operand);
    }
}

/// Whether `expr` prints in a *self-delimiting* form — atomic, or wrapped in its
/// own brackets/parens (`name(...)`, `(…)`, `ARRAY[…]`, `CASE … END`, …) — so it