Hello Carl, There's no UTF-8 support in Impala yet, but you could write your own UDF to handle it (or contribute a patch).
Regards On 18 December 2017 at 07:38, Dong Bo 董博 <[email protected]> wrote: > Hi Forks, > > > > Impala treats Chinese word as 3 letters , for English word 1 letter, Is > there any settings to make it easy to substring a mixed String just like > what hive does? > > > > Eg : select substr('test测试test', 1 ,5 ) , > > returns : test测 , NOT : test� > > > > > > Thanks > > Carl
