Add ShowSpaces for Session

[haoxins]

The reason for this is that we often use ConnPool to init the space but not the SessionPool

What type of PR is this?

• bug
• feature
• enhancement

What problem(s) does this PR solve?

Issue(s) number:

Description:

How do you solve it?

Special notes for your reviewer, ex. impact of this fix, design document, etc:

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 50.00000% with 10 lines in your changes are missing coverage. Please review.

Project coverage is 64.59%. Comparing base (5135309) to head (b869d1e).

Files	Patch %	Lines
session.go	47.36%	7 Missing and 3 partials ⚠️

❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #315      +/-   ##
==========================================
- Coverage   64.73%   64.59%   -0.14%     
==========================================
  Files          11       11              
  Lines        2705     2723      +18     
==========================================
+ Hits         1751     1759       +8     
- Misses        810      817       +7     
- Partials      144      147       +3     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[haoxins]

BTW, there is no tests for the ConnPool ~

[Nicole00]

ConnectionPool is not designed to support to run execute, the user entry is Session.

[haoxins]

@Nicole00

ConnectionPool is not designed to support to run execute, the user entry is Session.

So can we move the methods into Session?

[Nicole00]

@Nicole00

ConnectionPool is not designed to support to run execute, the user entry is Session.

So can we move the methods into Session?

Sorry for reply late. I think it's ok to provide the method for session.