On Fri, Nov 16, 2018 at 10:57:57AM +0900, Amit Langote wrote: > Maybe partition_bounds_create() should've had a MemoryContext argument to > pass it the context we want it to create the PartitionBoundInfo in. That > way, we can simply pass rd_pdcxt to it and avoid making a copy. As is, > we're now allocating two copies of PartitionBoundInfo, one in the > CurrentMemoryContext and another in rd_pdcxt, whereas the previous code > would only allocate the latter. Maybe we should fix it as being a regression.
Not sure about what you mean by regression here, but passing the memory context as an argument has sense as you can remove the extra partition bound copy, as it has sense to use an array instead of a list for performance, which may matter if many partitions are handled when building the cache. So cleaning up both things at the same time would be nice. -- Michael
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