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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