fix(sink): hang when cache priority set

[ngjaying]

No description provided.

[codecov]

Codecov Report

Patch coverage: 60.53% and project coverage change: +0.43% 🎉

Comparison is base (44024ac) 62.17% compared to head (00f3cab) 62.60%.
Report is 6 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2185      +/-   ##
==========================================
+ Coverage   62.17%   62.60%   +0.43%     
==========================================
  Files         288      288              
  Lines       34141    34477     +336     
==========================================
+ Hits        21227    21584     +357     
+ Misses      10935    10896      -39     
- Partials     1979     1997      +18     

Files Changed	Coverage Δ
internal/topo/node/sink_node.go	79.71% <40.00%> (+0.69%)	⬆️
internal/binder/function/funcs_array.go	72.83% <67.86%> (-0.29%)	⬇️

... and 14 files with indirect coverage changes

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