Ted-Jiang commented on a change in pull request #2008:
URL: https://github.com/apache/arrow-datafusion/pull/2008#discussion_r825940057



##########
File path: datafusion-proto/src/from_proto.rs
##########
@@ -992,32 +1017,88 @@ impl TryFrom<&protobuf::LogicalExprNode> for Expr {
                     ScalarFunction::Trunc => Ok(trunc((&args[0]).try_into()?)),
                     ScalarFunction::Abs => Ok(abs((&args[0]).try_into()?)),
                     ScalarFunction::Signum => 
Ok(signum((&args[0]).try_into()?)),
-                    ScalarFunction::Octetlength => {
+                    ScalarFunction::OctetLength => {
                         Ok(octet_length((&args[0]).try_into()?))
                     }
-                    // // ScalarFunction::Concat => 
Ok(concat((&args[0]).try_into()?)),
                     ScalarFunction::Lower => Ok(lower((&args[0]).try_into()?)),
                     ScalarFunction::Upper => Ok(upper((&args[0]).try_into()?)),
                     ScalarFunction::Trim => Ok(trim((&args[0]).try_into()?)),
                     ScalarFunction::Ltrim => Ok(ltrim((&args[0]).try_into()?)),
                     ScalarFunction::Rtrim => Ok(rtrim((&args[0]).try_into()?)),
-                    // ScalarFunction::Totimestamp => 
Ok(to_timestamp((&args[0]).try_into()?)),
-                    // ScalarFunction::Array => 
Ok(array((&args[0]).try_into()?)),
-                    // // ScalarFunction::Nullif => 
Ok(nulli((&args[0]).try_into()?)),
-                    ScalarFunction::Datepart => {
+                    ScalarFunction::DatePart => {
                         Ok(date_part((&args[0]).try_into()?, 
(&args[1]).try_into()?))
                     }
-                    ScalarFunction::Datetrunc => {
+                    ScalarFunction::DateTrunc => {
                         Ok(date_trunc((&args[0]).try_into()?, 
(&args[1]).try_into()?))
                     }
-                    // ScalarFunction::Md5 => Ok(md5((&args[0]).try_into()?)),
                     ScalarFunction::Sha224 => 
Ok(sha224((&args[0]).try_into()?)),
                     ScalarFunction::Sha256 => 
Ok(sha256((&args[0]).try_into()?)),
                     ScalarFunction::Sha384 => 
Ok(sha384((&args[0]).try_into()?)),
                     ScalarFunction::Sha512 => 
Ok(sha512((&args[0]).try_into()?)),
                     ScalarFunction::Digest => {
                         Ok(digest((&args[0]).try_into()?, 
(&args[1]).try_into()?))
                     }
+                    ScalarFunction::Ascii => Ok(ascii((&args[0]).try_into()?)),
+                    ScalarFunction::BitLength => Ok((&args[0]).try_into()?),
+                    ScalarFunction::CharacterLength => {
+                        Ok(character_length((&args[0]).try_into()?))
+                    }
+                    ScalarFunction::Chr => Ok(chr((&args[0]).try_into()?)),
+                    ScalarFunction::InitCap => 
Ok(ascii((&args[0]).try_into()?)),
+                    ScalarFunction::Left => {
+                        Ok(left((&args[0]).try_into()?, 
(&args[1]).try_into()?))
+                    }
+                    ScalarFunction::Random => Ok(random()),
+                    ScalarFunction::Repeat => {
+                        Ok(repeat((&args[0]).try_into()?, 
(&args[1]).try_into()?))
+                    }
+                    ScalarFunction::Replace => Ok(replace(
+                        (&args[0]).try_into()?,
+                        (&args[1]).try_into()?,
+                        (&args[2]).try_into()?,
+                    )),
+                    ScalarFunction::Reverse => 
Ok(reverse((&args[0]).try_into()?)),
+                    ScalarFunction::Right => {
+                        Ok(right((&args[0]).try_into()?, 
(&args[1]).try_into()?))
+                    }
+                    //issue 
https://github.com/apache/arrow-datafusion/issues/2009
+                    // ScalarFunction::ConcatWithSeparator => {
+                    //     Ok(concat_ws(vec![]))
+                    // }

Review comment:
       also related to #2009 😂




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