Return as soon as an AND fails and whenever an OR succeeds. Faster and more flexible.
For example makes `select * from S3object where _2 != '' AND _2 > 1` able to operate on empty fields.
Followup to #13900
- remove some duplicated code
- reported a bug, separately fixed in #13664
- using strings.ReplaceAll() when needed
- using filepath.ToSlash() use when needed
- remove all non-Go style comments from the codebase
Co-authored-by: Aditya Manthramurthy <donatello@users.noreply.github.com>
This is to ensure that there are no projects
that try to import `minio/minio/pkg` into
their own repo. Any such common packages should
go to `https://github.com/minio/pkg`
