APEXExportSplitter: update, nochecksum and other

Hi, any omniscient!

I search on Google, I read apex/utilities/readme.txt and John post (http://jes.blogs.shellprompt.net/2006/12/12/backing-up-your-applications) blog, but I have a few questions about this tool:

0. everyone knows what algorithm is used when APEXExportSplitter runs with -Update option? I have a soft export the file f101.sql and I run twice:
oracle@dark-place:utilities$ java oracle/apex/APEXExportSplitter -update /tmp/f101.sql
Nothing changes in the export between the first and the second file, but second update_xxxxxxxx.sql contains a few calls from script:
@init.sql /* I understand this line */
@env.sql /* and this one too - setting NLS, version and other stuff */
@/tmp/f101/application/shared_components/navigation/tabs/standard/t1.sql /* But why we have this one? */ 
@/tmp/f101/application/shared_components/navigation/tabs/standard/t1.sql /* And why twice? */ 
1. What is the option -nochecksum not - exactly and in detail? Maybe I'm not if smart, but '< not to check for changes >' is not enough to make me understand.

2 How change/remove the prefix path in install.sql file before calling script? For example I have:
@application/init.sql
@tmp/f101/application/set_environment.sql
@tmp/f101/application/delete_application.sql
@tmp/f101/application/create_application.sql
...
And I want to:
@application/init.sql
@application/set_environment.sql
@application/delete_application.sql
@application/create_application.sql
...
I know that I can use command line utilities (for example, sed ), APEXExportSplitter generates this code but I want to treat so less tools because it is possible.

3. how to run APEXExportSplitter from other directories, not only the apex/utilities from that? Is it still possible?

4. APEXExport and APEXExportSplitter will continue in the future APEX communicated?

I'll be appreciated for any information. Today apex/utilities/readme.txt is too short, too poor...

Alex

PS: sorry for my bad English.

Alex,

0 - update
will create an update.sql based on what has changed since the last division that was made. It uses a checksum on both the new and the old in order to determine if there is a change to this article

1 - nochecksum
If you split f100.sql, you get all records of slot. Normally, he'll checksum that if page1.sql has not changed it will not update the time stamp on the file. If you show checksum it will always update the timestamp. The parity check to update the timestamp is nice for things like check in to version control. Only the page/section/tab /... SQL scripts that will be changed to changed so that you can quickly see what has and has not changed.

2. I put a change for which has not yet been published.

3. the same answer as #2

4. Yes.

Tags: Database

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