[jira] Created: (HIVE-120) Add readline support/support for alt-based commands in the CLI

["Thomas Lento (JIRA)" <ji...@apache.org>]

Add readline support/support for alt-based commands in the CLI
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                 Key: HIVE-120
                 URL: https://issues.apache.org/jira/browse/HIVE-120
             Project: Hadoop Hive
          Issue Type: New Feature
          Components: Clients
         Environment: OS X/Terminal, but should affect anyone running bash
            Reporter: Thomas Lento


When I use bash, I can typically navigate using option (alt) based command sequences. For example, option-f skips forward a word. Option-b skips back. option-d deletes the next word. option-backspace deletes the previous word.

The Hive2 CLI only recognizes ctrl-based shortcuts. This makes the CLI much more difficult to use (at least for me, since it looks like a bash terminal and every other program I use in bash recognizes these alt-based commands). I find it useful to drop in there for a quick scripting session, but if I make a typo I have to go character by character from either the beginning (ctrl-a) or end (ctrl-e) of the line. Tedious.

If you could support alt-based commands I'd really appreciate it. If that's not possible, I'll have to stick with -e or -f, which is rather annoying for other reasons.

Similarly, ctrl+k kills to the end of the line, as expected. Unfortunately, ctrl+y does not yank the killed text back. Please add support for yanking killed text.


According to Venky, adding Readline support should solve this issue.

http://web.mit.edu/gnu/doc/html/rlman_1.html

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