Fixed bug of multistatement processing in QueryReader

[alex268]

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 47.45%. Comparing base (871ddc1) to head (091de61). Report is 3 commits behind head on master.

Files with missing lines	Patch %	Lines
...rc/main/java/tech/ydb/query/tools/QueryReader.java	0.00%	0 Missing and 1 partial :warning:

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #329      +/-   ##
============================================
+ Coverage     47.41%   47.45%   +0.03%     
- Complexity     1739     1743       +4     
============================================
  Files           305      305              
  Lines         12381    12385       +4     
  Branches       1235     1236       +1     
============================================
+ Hits           5871     5877       +6     
  Misses         6049     6049              
+ Partials        461      459       -2     

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