Improve file naming and schema creation usage

[congqixia]

/kind improvement

[codecov]

Codecov Report

Merging #458 (e49dcc2) into master (b619b53) will decrease coverage by 0.05%.
The diff coverage is 77.77%.

@@            Coverage Diff             @@
##           master     #458      +/-   ##
==========================================
- Coverage   85.14%   85.10%   -0.05%     
==========================================
  Files          34       35       +1     
  Lines        3232     3236       +4     
==========================================
+ Hits         2752     2754       +2     
+ Misses        382      381       -1     
- Partials       98      101       +3     

Impacted Files	Coverage Δ
client/admin.go	83.33% <ø> (ø)
client/alias.go	100.00% <ø> (ø)
client/authentication.go	100.00% <ø> (ø)
client/index.go	77.95% <ø> (ø)
client/maintainance.go	95.55% <ø> (ø)
client/options.go	66.66% <ø> (ø)
client/partition.go	84.25% <ø> (ø)
client/rbac.go	100.00% <ø> (ø)
client/resource_group.go	100.00% <ø> (ø)
entity/schema.go	94.18% <50.00%> (+0.13%)	⬆️
... and 2 more

[yah01]

/lgtm

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: congqixia, yah01

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