zhuliquan

thank for this nice package, but I think this package need add go.mod/go.sum

I help for to calculated ratio of usage

allow the last argument append with comma in func expr. make below expr can be parsed ok. ```expr func1( argument1, argument2, argument3, ) ```

Add `hasParen` field for ast.Ndoe, which indicated add parenthesis when invoking `String()`. I've always thought that you should keep the parenthetical information of the node if the user input it.

could nebula-exchange support upload sst file to hdfs with krb5

1

Could nebula-exchange support upload sst file to hdfs with krb5? I submit spark task, and I found problem below: ``` User class threw exception: org.apache.spark.SparkException: Job aborted due to stage...

Is pre-compile pattern string in regexp_match operation

3

### Is your feature request related to a problem or challenge? I noticed below code: https://github.com/apache/datafusion/blob/6a4a280e3cf70fe5f1a1cfe7c2de13e4c39f89bb/datafusion/physical-expr/src/expressions/binary.rs#L537-L564 This looks like every time record_batch is evaluated, it will execute the compiled pattern...

feat: continue visit children expr of short-circuit expr

1

## Which issue does this PR close? Closes #. ## Rationale for this change Recently. I find that some common subexpr doesn't be eliminated via `CommonSubexprEliminate` optimizer. for example below...