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From "Sylvain Leroux (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-1447) add command line history to ij
Date Mon, 22 Feb 2010 13:08:29 GMT

    [ https://issues.apache.org/jira/browse/DERBY-1447?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12836611#action_12836611
] 

Sylvain Leroux commented on DERBY-1447:
---------------------------------------

Hi Kristian,

and thanks for the comments!

Here, I was targeting environment without JLine-like software available. For those cases,
ij should provide some rudimentary editing capabilities available everywhere.

But, for "advanced" editing features, JLine will still be the best option - however, it requires
manual setup (due to incompatibilities between BSD and Apache licenses). And it is not 100%
Java (it uses platform specific native code).

----

At functional level, I agree with you: the history should handle properly multi-line commands
an multi-command lines:
ij> insert into T(a,b)
         values(1,2),
         (3,4);

ij> insert into T(a,b) values(1,2); insert into T(a,b) values(3,4);

Concerning parameters substitution as suggested in DERBY-4557 ($1, $2, ...), I think the history
should hold the value before substitution.

> add command line history to ij
> ------------------------------
>
>                 Key: DERBY-1447
>                 URL: https://issues.apache.org/jira/browse/DERBY-1447
>             Project: Derby
>          Issue Type: Improvement
>          Components: Tools
>            Reporter: Gary Orser
>            Priority: Minor
>         Attachments: jline-0_9_5.jar, jline.diff
>
>
> Using the command line tool 
> org.apache.derby.tools.ij
> is user unfriendly.

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