presto-main/src/main/java/io/prestosql/sql/relational/SqlToRowExpressionTranslator.java/SqlToRowExpressionTranslator/visitInPredicate
class SqlToRowExpressionTranslator:        @Override
        protected RowExpression visitInPredicate(InPredicate node, Void context)
        {
            ImmutableList.Builder<RowExpression> arguments = ImmutableList.builder();
            arguments.add(process(node.getValue(), context));
            InListExpression values = (InListExpression) node.getValueList();
            for (Expression value : values.getValues()) {
                arguments.add(process(value, context));
            }

            return new SpecialForm(IN, BOOLEAN, arguments.build());
        }