presto-main/src/main/java/io/prestosql/sql/analyzer/ExpressionAnalyzer.java/ExpressionAnalyzer/visitBinaryLiteral
class ExpressionAnalyzer:        @Override
        protected Type visitBinaryLiteral(BinaryLiteral node, StackableAstVisitorContext<Context> context)
        {
            return setExpressionType(node, VARBINARY);
        }