Support concurrent export of query results

[EmmyMiao87]

Proposed changes

This pr mainly supports

1. Export query result sets concurrently
2. Query result set export supports s3 protocol

Among them, there are several preconditions for concurrently exporting query result sets

1. Enable concurrent export variables
2. The query itself can be exported concurrently
   (some queries containing sort nodes at the top level cannot be exported concurrently)
3. Export the s3 protocol used instead of the broker

After exporting the result set concurrently,
the file prefix is changed to outfile_{query_instance_id}_filenumber.{file_format}

Types of changes

What types of changes does your code introduce to Doris?
Put an x in the boxes that apply

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)
• Code refactor (Modify the code structure, format the code, etc...)
• Optimization. Including functional usability improvements and performance improvements.
• Dependency. Such as changes related to third-party components.
• Other.

Checklist

Put an x in the boxes that apply. You can also fill these out after creating the PR. If you're unsure about any of them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before merging your code.

• I have created an issue on (Fix #ISSUE) and described the bug/feature there in detail
• Compiling and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• If these changes need document changes, I have updated the document
• Any dependent changes have been merged

[morningman]

What's this?

[EmmyMiao87]

In order to be compatible with the old version of Fe and the new version of be

[morningman]

Add comment to explain.

BTW, I suggest to add FileNamePrefix column in the result of outfile operation. For easy to get full name of exported files. Such as:

+------------+-----------+-----------+-------------+------------------------------------------+
| FileNumber | TotalRows | FileSize | URL |FileNamePrefix |
+------------+-----------+-----------+-------------+------------------------------------------+
| 1 | 123605 | 361061014 | 127.0.0.1 |my_file2_46e9ef9b66924a79-92f887d43be10325|
| 1 | 128180 | 374334318 | 127.0.0.1 |my_file2_46e9ef9b66924a79-92f887d43be10326|
| 1 | 125156 | 365569023 | 127.0.0.1 |my_file2_46e9ef9b66924a79-92f887d43be10327|
| 1 | 124096 | 362395588 | 127.0.0.1 |my_file2_46e9ef9b66924a79-92f887d43be10328|
| 1 | 124862 | 364727515 | 127.0.0.1 |my_file2_46e9ef9b66924a79-92f887d43be10329|
| 1 | 124520 | 363649600 | 127.0.0.1 |my_file2_46e9ef9b66924a79-92f887d43be10330|
| 1 | 124447 | 363479285 | 127.0.0.1 |my_file2_46e9ef9b66924a79-92f887d43be10331|
| 1 | 125134 | 365490611 | 127.0.0.1 |my_file2_46e9ef9b66924a79-92f887d43be10332|
+------------+-----------+-----------+-------------+------------------------------------------+

[EmmyMiao87]

It's not easy to add, there will be compatibility issues

[morningman]

LGTM

[github-actions]

PR approved by at least one committer and no changes requested.

[github-actions]

PR approved by anyone and no changes requested.

[github-actions]

PR approved by at least one committer and no changes requested.