Daniel Lindner

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Currently, the comparison of two `StaticTableNode`s would fail if their tables' key constraints are inserted in a different order. If we do not consider the insert order as a feature,...

Just used sets for TableKeyConstraints, too. Guess this can be reviewed now.

Since hyrise/sql-parser#214 was merged before hyrise/sql-parser#210, I suggest to schedule this PR after #2471 to separate the corresponding functionality from this PR.

> I think the CI errors may be caused by a bug in oneTBB. > There is an open [issue](https://github.com/oneapi-src/oneTBB/issues/908) describing a similar problem. Quickly looked into the code, and...

Dropping this here since we had a biref discussion about thread-safe operations on tbb's concurrent maps: In our cache implementation, we decided against tbb due to some restrictions and use...

>PS: there have been discussion about lang-tidy rules, but to my knowledge there are no rules available yet. Seems that is/was WIP: https://reviews.llvm.org/D72553

Hm, we still have header files with non-templated function definitions, right? Not sure if there is a performance impact when moving them to cpp due to inlining. We could try...

> Am I correct that we still execute subqueries (all in table scans, right?) in parallel as the overarching scan is parallel per chunk? Should all be table scans, correct....

## Benchmarks – 100 runs **System** nemea - click to expand | property | value | | -- | -- | | Hostname | nemea | | CPU | Intel(R)...