But it will not allow to append result of multiple impala queries. Can it be possible to have any option in the command will will allow user to add results of multiple impala queries result in same output file with headers specific to each query. ... View more

Hello everyone,   I was wondering like Iamwan if it was still impossible today (in January 2018) to auto increment an ID (an int, a bigint or whatever) in a table (in Impala or Hive) when data are added. Would you have further information please ? I didn't find anything about it here : https://www.cloudera.com/documentation/enterprise/5-9-x/topics/impala_datatypes.html Have a nice day ! ... View more