presto-main/src/main/java/io/prestosql/server/ExpressionSerialization.java/ExpressionSerialization/deserialize
class ExpressionSerialization:        @Override
        public Expression deserialize(JsonParser jsonParser, DeserializationContext deserializationContext)
                throws IOException
        {
            return rewriteIdentifiersToSymbolReferences(sqlParser.createExpression(jsonParser.readValueAs(String.class)));
        }