[Enhancement]: Export column decompressor functions to SQL

[svenklemm]

What type of enhancement is this?

Other

What subsystems and features will be improved?

Compression

What does the enhancement do?

Allow users to directly decompress binary column data. This will enable certain advanced use cases and will greatly help support troubleshoot compression problems. The functions should live in internal schema.

Implementation challenges

Should be straightforward since all the functions are already there and just need to be exposed.