Issue: Maintain Import IDs Beyond Import Completion

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October 6, 2013 11:40 AM
pegasus

VaultWiki Team
Maintain Import IDs Beyond Import Completion

Currently import IDs are cleared during the last step of an import in order to prevent collisions during future imports. However, it is useful to maintain import IDs in case the same database is imported again at a later time, or if some of the import data is needed for smooth operation of some features (e.g. imported namespaces might behave differently, or we might optimize the node stack handler if a page is known to be not imported, and therefore definitely not triple-stacked.

Change names of the import fields from things like import_threadid or import_pageid, and put a consistently named importid on every table that might contain importable data during installation.

Create a separate table for storing import IDs relative to database identifiers:

Code:

vw_import importid | INT | UNSIGNED | original source ID table | STR | target table name ident | STR | identifier that VaultWiki can use to uniquely identify different databases. It should not be possible to fully regenerate the database credentials from this identifier, but it should be possible to generate the same identifier whenever the same database is used.

Issue Details

Issue Number 3368

Issue Type Task

Project VaultWiki 4.x Series

Category Importing

Status Completed

Priority 6 - Dev-Related Tasks

Target Version 4.0.0 Beta 6

Resolved Version 4.0.0 Gamma 1

Milestone VaultWiki 4 Beta X

Software DependencyAny

License TypePaid

Votes to perform 1

Votes not to perform 0

Attachments 0

Assigned Users (none)

Tags (none)

November 1, 2013 6:15 PM

Alfa1

Distinguished Member

Is this included in beta 7?

Reply
November 2, 2013 2:23 PM

pegasus

VaultWiki Team

No it's not. This requires a fairly major rework of the import system.

Reply
November 2, 2013 2:59 PM

Alfa1

Distinguished Member

Is this slated for beta 8?
If its a major rework of the import system then please consider a CLI script similar to this: http://xenforo.com/community/resourc...importer.1397/

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November 4, 2013 11:23 AM

pegasus

VaultWiki Team

The import system as it is currently written should already support CLI with minimal changes to the system. We just haven't written a CLI script to access it yet.

When I said it's a major rework I simply mean that it requires changes (only a few lines though) to most import classes, and there are quite a few classes.

I can prioritize this for the next release since there were other issues with the importer that would require importing again.

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November 4, 2013 5:57 PM

Alfa1

Distinguished Member

That would be great. I don't mind bug searching and testing. But it's only possible if the import process can be repeated.

Reply
November 17, 2013 4:13 PM

pegasus

VaultWiki Team

Wanted to comment that as of today the basic system is completed, and that the VW4 importer has been updated to use it. I will probably finish updating the VW3 importer by end of day, and then this issue can be closed.

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November 18, 2013 12:04 AM

pegasus

VaultWiki Team

Completed for the next release.

Reply
November 18, 2013 7:45 AM

Alfa1

Distinguished Member

Great. Please advise how to remove the current data in order to get a clean import. Do I need to uninstall VW? Will that remove all tables?

Reply
November 18, 2013 1:13 PM
pegasus

VaultWiki Team
Uninstall/reinstall is one way. In Beta 7, you can also call the following from a PHP script (usually from inside controller/cp/impex, because it's a protected method):

Code:

vw_Hard_Core::controller('CP/Impex')->clear()

That will delete everything in the wiki except for the default data.
Once IDs are maintained, we can make a less destructive clear() method.
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Issue: Maintain Import IDs Beyond Import Completion

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