visitBinary method
Implementation
@override
SqlFragment visitBinary(BinaryExpr e) {
final op = _mapBinaryOp(e.op);
final l = e.left.accept(this);
final r = e.right.accept(this);
return SqlFragment(
'(${l.sql} $op ${r.sql})',
[...l.binds, ...r.binds],
);
}