Markus Dreseler

We just learned about the vTune task API. We could annotate the different operators so that we can identify what the worker threads are doing when Hyrise is working. This...

Store::isVisibleForTransaction is misleading

3

`Store::isVisibleForTransaction` does not check if a row has been deleted by a transaction. While ValidatePositions does a check based on the modification list, a user might assume that `isVisibleForTransaction` is...

ValueId with uninitialized members

4

I experienced an issue in an unrelated area (adding an stx btree in the DeltaIndex caused JSONTests.parse_selection to fail even though it uses the SimpleTableScan) and believe that I have...

Currently, we acquire a spinlock whenever we insert into the list of data inserts and deletes. This is because there might be multiple change operations running concurrently within the same...

Verify transactional safety with multiple threads per Tx

1

If multiple threads are modifying tables we might run into the situation where the same row is changed by two threads at the same time. The current MVCC and Tx...