Hi
I have a few questions -
1. Is it possible to have an UNFROZEN UDT in a list ?
2. Is it possible to execute LWT on the basis of a value contained in
List of a UDT ?
e.g. Consider a table -
CREATE TABLE test.registration_form3 (
student_id int PRIMARY KEY,
name text,
Hi
What is allowed and not allowed w.r.t altering Cassandra table schema?
Creating the right schema seems like the most step w.r.t using Cassandra.
Coming from relational background, I still struggle to create schema which
leverages duplication and per-query table (I end up creating relationshi
Hello Alex,
- use DSBulk - it's a very effective tool for unloading & loading data
from/to Cassandra/DSE. Use zstd compression for offloaded data to save disk
space (see blog links below for more details). But the *preserving
metadata* could be a problem.
Here what exactly do you me
Alex is referring to the "writetime" and "tttl" values for each cell. Most
tools copy via CQL writes and don't by default copy those previous
writetime and ttl values and instead just give a new writetime value which
matches the copy time rather than initial insert time.
On Wed, Jul 15, 2020 at 3:
thank you
On Wed, Jul 15, 2020 at 1:11 PM Russell Spitzer
wrote:
> Alex is referring to the "writetime" and "tttl" values for each cell. Most
> tools copy via CQL writes and don't by default copy those previous
> writetime and ttl values and instead just give a new writetime value which
> matche
Hi
This is a quite big topic, maybe it should be a topic for a blog post, etc.
I've spent some time working with customers on that, so here is my TLDR:
- You can add regular columns (not part of the primary key) to a table.
You must not to add the column with the same name as another dropp
