HIVE Select columns names with regular expression?

Question

I want to know if it can be queried about the columns in the hive ith term rehiliare selection for the starting columns of some description?

example: table with this lis

Answer 1

You have to use back quote character (above tilda in the keyboard not the single quote) after select and before from to run regular expression in the hive.

Answer 2

I believe you are looking to select columns based on regular expression.

Well below works:

  set hive.support.quoted.identifiers=none;
  select `patt.*` from test_table;

Above code will return columns pattern1 pattern2 among your mentioned columns "pattern1 pattern2 motif3 balab1 balabal2 ma1 ma2 ma3"

Please see https://cwiki.apache.org/confluence/display/Hive/LanguageManual+Select#LanguageManualSelect-REGEXColumnSpecification for more information.