Re: Hive using Spark engine vs native spark with hive integration.

hi, if you are already running hive with tez,the perf gain won't be obvious camparing with spark. I'd recommend experimenting with spark on something new until a better understanding is formed Manu Jacob 于2020年10月6日 周二23:47写道： > Hi All, > > > > Not sure if I need to ask this question on hive

Re: Verifying Hive execution engine used within a session

Hi, try set hive.execution.engine; 2016-07-13 18:08 GMT+08:00 Mich Talebzadeh : > May be a naive question > > Is there any parameter to display the default execution engine used by > Hive say, MR, Spark or Tez in the current session. > > Of course one can find it out

Re: Is there any GROUP_CONCAT Function in Hive

Hi, check this out https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF#LanguageManualUDF-GROUPingandSORTingonf(column) There are several functions that act like 'group_concat' of mysql 2016-06-16 7:49 GMT+08:00 Markovitz, Dudu : > Have you tried to

Re: Could i use Hive SQL parser in our application?

Hi, I wrote this hive ql ast visualizer tool last summer using JRuby,hope it would help. here: https://github.com/liprais/hive_ast_tree_vis 2016-05-19 14:31 GMT+08:00 Heng Chen : > We should use pd.parse(sql) instead of pd.parse(sql, context); > > And when i use