Johannes Kalmbach

Currently the actual implementation of Sorting an (intermediate) result is provided by a class called `Engine` and only used by the `Sort` operation. Similarly, the functionality of an index Scan...

The `ParsedQuery` class has a toString method, that is recursively defined for all types. It is however never used and not needed (only reference is a trivial test that can...

If we have a subquery with a `DISTINCT` clause and the result of this subquery is reordered afterwards (because of joins or an order-By clause, the query planner will often...

- The Query Planner currently does not see into OPTIONAL clauses. - OPTIONAL clauses are optimized separately from regular triples in the same `GraphPattern` - most notably this discards the...

It is a Universal Wrapper to the ICU library and might be of use elsewhere

Throwing callback leads to program terminations in absl::Cleanup

1

**Describe the bug** Let `Callback` be a type, whose `operator()` is `noexcept(false)` and actually throws. When an object of such a type is passed as the callback for `absl::Cleanup`, then...

There are several things yet to be done/discussed/checked.

- [ ] Use something that is not "std::regex". - [ ] write tests (unit- as well as e2e).

Serialize the reading of the partial vocabularies during the merge phase

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We still have to figure out the correctness and performance implications.