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Posted to commits@impala.apache.org by mj...@apache.org on 2017/07/11 15:36:23 UTC

[3/3] incubator-impala git commit: IMPALA-5507: Add clear description to help information of KEYVAL option

IMPALA-5507: Add clear description to help information of KEYVAL option

Help information of KEYVAL option in impala-shell is not clear enough.

I fix this issue by adding clear description to help information of
KEYVAL option.

Change-Id: I68cfc16838c6c0e7813f03dd4296f9eb54ec4c63
Reviewed-on: http://gerrit.cloudera.org:8080/7179
Reviewed-by: Jim Apple <jb...@apache.org>
Tested-by: Impala Public Jenkins


Project: http://git-wip-us.apache.org/repos/asf/incubator-impala/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-impala/commit/36cca141
Tree: http://git-wip-us.apache.org/repos/asf/incubator-impala/tree/36cca141
Diff: http://git-wip-us.apache.org/repos/asf/incubator-impala/diff/36cca141

Branch: refs/heads/master
Commit: 36cca141e0bff77b35e2890114dac41c3088e307
Parents: bd3b95e
Author: davidxdh <xu...@zte.com.cn>
Authored: Tue Jul 11 09:03:44 2017 +0800
Committer: Impala Public Jenkins <im...@gerrit.cloudera.org>
Committed: Tue Jul 11 11:05:14 2017 +0000

----------------------------------------------------------------------
 shell/option_parser.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-impala/blob/36cca141/shell/option_parser.py
----------------------------------------------------------------------
diff --git a/shell/option_parser.py b/shell/option_parser.py
index 6092439..f0f3573 100755
--- a/shell/option_parser.py
+++ b/shell/option_parser.py
@@ -85,7 +85,8 @@ def get_option_parser(defaults):
                     help="Execute a query without the shell")
   parser.add_option("-f", "--query_file", dest="query_file",
                     help="Execute the queries in the query file, delimited by ;."
-                         " Queries may be read from stdin if the argument to -f is -.")
+                         " If the argument to -f is \"-\", then queries are read from"
+                         " stdin and terminated with ctrl-d.")
   parser.add_option("-k", "--kerberos", dest="use_kerberos",
                     action="store_true", help="Connect to a kerberized impalad")
   parser.add_option("-o", "--output_file", dest="output_file",
@@ -157,7 +158,10 @@ def get_option_parser(defaults):
   parser.add_option("--ldap_password_cmd",
                     help="Shell command to run to retrieve the LDAP password")
   parser.add_option("--var", dest="keyval", action="append",
-                    help="Define variable(s) to be used within the Impala session.")
+                    help="Define variable(s) to be used within the Impala session."
+                         " It must follow the pattern \"KEY=VALUE\","
+                         " KEY starts with an alphabetic character and"
+                         " contains alphanumeric characters or underscores.")
 
   # add default values to the help text
   for option in parser.option_list: