moderndbs | Basic Database System implemented for MDBS course
kandi X-RAY | moderndbs Summary
kandi X-RAY | moderndbs Summary
The following adjustments to the buffer test were made:. The Buffer Manager uses a LRU frame replacement strategy. Since asynchronous write back does not need to be implemented at this point, pages are only written back when the BufferManager or the respective BufferFrames are destructed. Moreover flush() can be called manually on BufferFrames to write back the data.
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QUESTION
I am trying to create a priority queue with a custom comparator but the following code gives me a compile error:
...ANSWER
Answered 2021-May-02 at 23:30There's a mismatch in your question, between uint64_t
and int
. Assuming that this is squared away:
You need at least C++20 in order to compile the shown code. Prior to C++20, lambdas are not default-constructible, and you attempting to default-construct your std::priority_queue
.
You need to explicitly pass the comparator to the constructor. Tested with gcc 10, with -std=c++17
:
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