问题描述
有个hive分区表,orc存储格式,有个分区,查询 select count(1) from table where dtyyyyMMdd 结果是0, 但查询 select * from table where dtyyyyMMdd又能查到数据,去hdfs对应目录下查看,也能看到有…
泛型
Generics are new concepts added in Go version 1.18. Designers have long fought against adding support for generic, citing that it would break the simplicity of the design, and the empty interface can be used instead of it.
泛型是Go 1.18版本中添加的新…