Bowei Chen

Duplicate groups generated in the optimizer

5

As it was reported by @GustavoAngulo , the assertion in https://github.com/cmu-db/peloton/blob/master/src/optimizer/memo.cpp#L46 is not correct because we may generate duplicate groups with different group ID in the optimizer. This is because...

Handle EXPLAIN in the optimizer and executor

1

This PR moves the handling logic of `EXPLAIN` from the network layer to the execution layer. One reason for this is we don't want to duplicate the logic for different...

In https://github.com/cmu-db/peloton/blob/3451aeff65a80c8a9aae8fa10f3f7083dd99ee7a/src/type/varlen_type.cpp#L181, we'll create a new char array to buffer the serialized varlen type if no memory pool is specified, I think it will not be deleted afterwards so this...