An item contains a statement with value X. When you add an additional identical value to that statement a query error is thrown and it is no longer possible to add any new statements to that item.
Version: master
Severity: major
Whiteboard: u=dev c=backend p=5
| Status | Subtype | Assigned | Task | ||
|---|---|---|---|---|---|
| Resolved | None | T52911 Support transitive queries | |||
| Resolved | None | T54387 Special page for querying by one property and value | |||
| Declined | Lydia_Pintscher | T54385 Query by one property and one value ("simple queries") (tracking) | |||
| Resolved | None | T66431 Database error when adding the same value twice |
Not been able to reproduce this so far. Who encountered this error?
Test added by https://github.com/wmde/WikibaseQueryEngine/pull/42
Ok, so will need more info to continue working on this. To me it looks like the issue is not there, at least not in general. Perhaps it got fixed, or perhaps it only occurs for some particular inputs.