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impala/shell
Gabor Kaszab 88cb68cfbe IMPALA-2181: Add query option levels for display
Four display levels are introduced for each query option: REGULAR, ADVANCED,
DEVELOPMENT and DEPRECATED. When the query options are displayed in Impala
shell using SET then only the REGULAR and ADVANCED options are shown. A new
command called SET ALL shows all the options grouped by their option levels.

When the query options are displayed through the SET SQL statement then the
result set would contain an extra column indicating the level of each option.
Similarly to Impala shell here the SET command only diplays the REGULAR and
ADVANCED options while SET ALL shows them all.

If the Impala shell connects to an Impala daemon that predates this change
then all the options would be displayed in the REGULAR group.

Change-Id: I75720d0d454527e1a0ed19bb43cf9e4f018ce1d1
Reviewed-on: http://gerrit.cloudera.org:8080/8447
Reviewed-by: Dan Hecht <dhecht@cloudera.com>
Tested-by: Impala Public Jenkins
2017-11-28 00:31:15 +00:00
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