[Bild] These days we have a category importer and exporter that @neil built, you would use that to merge instances I’m trying to use this and I am not having much success. [Bild] Move topics from one Discourse instance to another Self-Hosting Need to mov…

Every case is a special unique snowflake. :snowflake: You worked on the migration for @omarfilip , so you would know better than me. [Bild] pfaffman: Several importers count on import_id being a string. The group and user id’s were being converted to integers , so that could have been causing…

I re-ran the export/import with Discourse ( 1612818) . The only apparent difference was that the importer reported which emails it was invalidating during the import. The result of the process was still the same - only 5 posts got imported, and post ownership is still mismatched. Checking the statu…

It’s in test-passed. The Travis build was cancelled for some reason. If IMPORT_SOURCE still only created 5 posts, then I don’t know what’s happening. At this point someone needs to compare the data (post id’s, user emails, etc.) in the exported data with what’s in the target db and figure out why t…

Does the category importer care if a name has a duplicate, but the username and email are unique? In the forum that’s being exported/imported there are several that are like that.

No, it never looks at name. If you’re using the new IMPORT_SOURCE support, then email address is the only thing that it looks at. If there’s a duplicate username but different email address, then a number will be put on the end, like “omar1”.

Success! :tada: With @pfaffman ’s guidance, deleting import_id from both Discourses before export/import worked: rails c UserCustomField.where(name: 'import_id').delete_all GroupCustomField.where(name: 'import_id').delete_all CategoryCustomField.where(name: 'import_id').delete_all PostCustomField.w…

I don’t follow. You didn’t try the IMPORT_SOURCE?

No. I didn’t realize it was not part of the Category Export import reference in the original post?

I finally got to run the IMPORT_SOURCE and it worked perfectly. Users were matched properly, and an incremental import with Gerhard’s phpBB importer completed successfully after the category import. :beers: Thanks, @neil !

I want to merge a smaller discourse forum into a single category within my larger discourse forum. Both forums are native to discourse. I did not import anything from any other forum software. Both forums are running as separate stand-alone DO droplets (and are up-to-date). Naturally, I want all use…

Merging two Discourse forums

Unterstützung Migration

AstonJ (AstonJ) 22. Januar 2020 um 04:46 32

Ob dies bereits in diesem Thema erwähnt wurde, ist unklar, aber es gibt einen aktuelleren Leitfaden zum Zusammenführen von zwei Foren, der für die Leser dieses Threads interessant sein könnte:

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Migrate a phpBB3 forum to Discourse Migrating to Discourse how-to	467	100174	4. September 2025
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Merging two Discourse forums

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