import: handle empty orc file

[johnnyaug]

No description provided.

[codecov-io]

Codecov Report

Merging #1089 (8916ea6) into master (7c2c305) will decrease coverage by 0.05%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #1089      +/-   ##
==========================================
- Coverage   46.86%   46.81%   -0.06%     
==========================================
  Files         170      170              
  Lines       13578    13582       +4     
==========================================
- Hits         6364     6358       -6     
- Misses       6399     6407       +8     
- Partials      815      817       +2     

Impacted Files	Coverage Δ
cloud/aws/s3inventory/orc_reader.go	74.54% <0.00%> (-5.85%)	⬇️
config/logger.go	64.28% <0.00%> (-10.72%)	⬇️
graveler/committed/sstable/batch.go	93.75% <0.00%> (-6.25%)	⬇️
catalog/mvcc/cataloger_create_entry.go	94.73% <0.00%> (-5.27%)	⬇️
catalog/mvcc/cataloger_create_branch.go	84.61% <0.00%> (+3.07%)	⬆️
catalog/mvcc/cataloger_create_repository.go	62.96% <0.00%> (+3.70%)	⬆️

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