-- Forwarded message -
From: Hossein Ghiyasi Mehr
Date: Sun, Sep 8, 2019 at 11:38 AM
Subject: Cassandra Export error in COPY command
To:
Hi all members,
I want to export (pk, another_int_column) from single node using COPY
command. But after about 1h 45m, I've got a lot of read
Pardon the convoluted scenario, but we face some pretty ridiculous
infrastructure restrictions.
datacenter DC1: nodes containing many years of data written before
2019-09-01 (for example)
datacenter DC2: nodes containing data written after 2019-09-01
The idea is that these are independent cluste
I have an update statement that has a where clause with the primary key
(email,companyid).
When executed it always creates a new row. It’s like it’s not finding the
existing row with the primary key.
I’m using Cassandra-driver.
What am I doing wrong? I don’t want a new row. Why doesn’t it seem to
Use if exists clause.
UPDATE table
SET column ='something'
WHERE key = ‘value’ IF EXISTS;
From: A
Sent: Wednesday, September 11, 2019 11:05 PM
To: User cassandra.apache.org
Subject: Update/where statement Adds Row
I have an update statement that has a where clause with the primary key
(em
Good idea. Tried that and it doesn’t add anything to the existing table, which
exists
Sent from Yahoo Mail for iPhone
On Wednesday, September 11, 2019, 9:08 PM, JOHN, BIBIN wrote:
#yiv9726893009 #yiv9726893009 -- _filtered #yiv9726893009 {panose-1:2 4 5 3 5 4
6 3 2 4;} _filtered #yiv972
Is it ok if I do this?
... where email = em AND company_id = id IF EXISTS
Sent from Yahoo Mail for iPhone
On Wednesday, September 11, 2019, 9:08 PM, JOHN, BIBIN wrote:
#yiv9726893009 #yiv9726893009 -- _filtered #yiv9726893009 {panose-1:2 4 5 3 5 4
6 3 2 4;} _filtered #yiv9726893009 {font-
Probably not a great idea unless you're using it sparingly. Using LWTs
without knowing all the caveats is likely to lead to terrible cluster
performance.
On Wed, Sep 11, 2019, 10:59 PM A wrote:
> Is it ok if I do this?
>
> ... where email = em AND company_id = id IF EXISTS
>
>
>
>
>
> Sent fr
