[datavalues] complete null array cast

[zhyass]

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Summary

Summary about this PR

Changelog

• Improvement

Related Issues

Fixes #1542

Test Plan

Stateless Tests

[databend-bot]

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[databend-bot]

Hello @zhyass, 🎉 Thank you for opening the pull request! 🎉
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[codecov-commenter]

Codecov Report

Merging #1543 (da51cad) into master (0b051f5) will decrease coverage by 0%.
The diff coverage is 23%.

@@          Coverage Diff           @@
##           master   #1543   +/-   ##
======================================
- Coverage      73%     73%   -1%     
======================================
  Files         528     528           
  Lines       32266   32286   +20     
======================================
+ Hits        23786   23792    +6     
- Misses       8480    8494   +14     

Impacted Files	Coverage Δ
common/datavalues/src/types/data_type_coercion.rs	68% <0%> (-2%)	⬇️
common/datavalues/src/arrays/ops/cast.rs	57% <29%> (-18%)	⬇️
query/src/common/hash_table.rs	63% <0%> (-1%)	⬇️
store/src/meta_service/raftmeta_test.rs	94% <0%> (+<1%)	⬆️
store/src/meta_service/meta_service_impl.rs	76% <0%> (+1%)	⬆️
store/src/meta_service/network.rs	80% <0%> (+6%)	⬆️

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[databend-bot]

CI Passed
Reviewer Approved
Let's Merge