Database Reference
In-Depth Information
Command
option
Description
help
You can get more information about the available shell commands using
the
help
command. Alternatively, using
help <command_name>
provides command-specific help. Here is an example:
> help profile;
Prints the runtime profile of the last
INSERT or SELECT query executed.
version
Using this command you can get impala-shell and Impala daemon ver-
sion information. Following is the output of the
version
command:
Shell version: Impala Shell v1.1.1
(83d5868) built on Fri Aug 23 17:28:05
PDT 2013
Server version: impalad version 1.1.1
RELEASE (build
83d5868f005966883a918a819a449f636a5b3d5f)
history
Gives a list of all commands passed into impala-shell. The history list is
stored in
file name ~/.impalahistory
. You can call this command
inside impala-shell as follows:
> history;
shell or !
Using this command you can run a certain file system command inside
impala-shell. For example if you want to see the current working directory
or file listing in the folder where the Impala shell is running, you can use
the commands as follows:
