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@jaogoy jaogoy released this 27 Apr 12:10
· 18323 commits to main since this release
2.1.5
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Release date: April 27, 2022

BugFix

The following bugs are fixed:

  • The calculation result is not correct when decimal multiplication overflows. After the bug is fixed, NULL is returned when decimal multiplication overflows.
  • When statistics have a considerable deviation from the actual statistics, the priority of Collocate Join can be lower than Broadcast Join. As a result, the query planner may not choose Colocate Join as the more appropriate Join strategy. #4817
  • Query fails because the plan for complex expressions is wrong when there are more than 4 tables to join.
  • BEs may stop working under Shuffle Join when the shuffle column is a low-cardinality column. #4890
  • BEs may stop working when the SPLIT function uses a NULL parameter. #4092

Thanks to:

@ABingHuang, @Astralidea, @HangyuanLiu, @Linkerist, @Seaven, @Youngwb, @adzfolc, @chaoyli, @decster, @gengjun-git, @kangkaisen, @liuyehcf, @meegoo, @mergify, @miomiocat, @mofeiatwork, @rickif, @satanson, @sevev, @stdpain, @trueeyu, @wyb

Contributors

decster, wyb, and 20 other contributors
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