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From "Knut Anders Hatlen (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-5437) Load all toursdb tables in one invocation of ij
Date Thu, 29 Sep 2011 11:22:46 GMT

     [ https://issues.apache.org/jira/browse/DERBY-5437?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Knut Anders Hatlen updated DERBY-5437:

    Attachment: d5437.diff

Attaching a patch that loads all the tables in one invocation of ij. This reduces the time
it takes to run "ant all" in my environment by 30 seconds (from 1 min 40 sec to 1 min 10 sec).
> Load all toursdb tables in one invocation of ij
> -----------------------------------------------
>                 Key: DERBY-5437
>                 URL: https://issues.apache.org/jira/browse/DERBY-5437
>             Project: Derby
>          Issue Type: Improvement
>          Components: Demos/Scripts
>    Affects Versions:
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>            Priority: Minor
>         Attachments: d5437.diff
> The toursdb example database is built as part of "ant all". Currently, java/demo/toursdb/build.xml
invokes ij nine times, as well as a custom Java program (toursdb.insertMaps) once, to create
the database, and all of these run in separate Java processes. This means the database engine
is cold booted 10 times, which can take considerable time.
> There is already a script called loadTables.sql, which calls loadCOUNTRIES.sql, loadCITIES.sql,
I propose that we use that script instead of invoking each of the sub-scripts separately.
This would reduce the number of times the database engine would have to be booted from 10
to 4 per full build.

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