Help:Entity deletion

In previous releases (before SMW 2.3) it could happen that a deleted entity (subject, property, object value) was still displayed as part of a query result.

The filtering of outdated entities (which includes deleted items) from query results is expected to be improved with SMW 2.3 and SMW 2.4.

In order to make full use of the improved process, previous items that have not been marked with :smw:delete need to be removed from the ID_TABLE by running rebuildData.php with option -f.

Items marked as deleted will be completely purged from the ID_TABLE by the next run of the rebuildData.php script.

See also

• https://github.com/SemanticMediaWiki/SemanticMediaWiki/blob/master/docs/releasenotes/RELEASE-NOTES-2.3.0.md#improved-handling-of-removed-entities-in-sqlstore
• https://github.com/SemanticMediaWiki/SemanticMediaWiki/pull/1216
• https://github.com/SemanticMediaWiki/SemanticMediaWiki/pull/1249
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