Re: Corruption of frozen UDT during upgrade

2020-02-14 Thread Andrew Prudhomme
What does http://cassandra.apache.org/doc/latest/tools/sstable/sstablemetadata.html show as the type in the upgraded table? Also, the ticket mentions serialization ordering being incorrect between single and multi-cell column data. Perhaps there needs to be other non-PK fields to trigger this

Re: re-add column with same UDT fail

2019-11-21 Thread Andrew Prudhomme
It looks like there are a couple of things going on here. The type check when adding a UDT column: new_type.isValueCompatibleWith(dropped_type) will only be true if the dropped type is a UDT. This however will never be the case, since UDT types are replaced with tuple when converted to a dropped

CDC usability and future development

2018-01-30 Thread Andrew Prudhomme
Hi all, We are currently designing a system that allows our Cassandra clusters to produce a stream of data updates. Naturally, we have been evaluating if CDC can aid in this endeavor. We have found several challenges in using CDC for this purpose. CDC provides only the mutation as opposed to the