JackieTien97 opened a new pull request, #12750:
URL: https://github.com/apache/iotdb/pull/12750

   Previously, we will scan until we get at least one satisfied row and then we 
have chance to do time slice control.
   However, when we do the predicate push down optimization, we may need much 
more time to get a satisfied row from tsfile, so we need to change the control 
processing of SeriesScanOperator and AlignedSeriesScanOperator.
   
   We will do time check after we got one page data from SeriesScanUtil, even 
if it's an empty TsBlock.


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