Re: Update/where statement Adds Row

2019-09-13 Thread A
Thank you. Sent from Yahoo Mail for iPhone On Thursday, September 12, 2019, 1:09 AM, Hossein Ghiyasi Mehr wrote: Update in Cassandra is upsert (update or insert). So when you update a row which isn't exist, it will create it."IF EXIST" can be used in some queries. On Thu, Sep 12, 2019 at 8:

Re: Update/where statement Adds Row

2019-09-12 Thread Hossein Ghiyasi Mehr
Update in Cassandra is upsert (update or insert). So when you update a row which isn't exist, it will create it. "IF EXIST" can be used in some queries. On Thu, Sep 12, 2019 at 8:35 AM A wrote: > I have an update statement that has a where clause with the primary key > (email,companyid). > > Whe

Re: Update/where statement Adds Row

2019-09-11 Thread Jon Haddad
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

Re: Update/where statement Adds Row

2019-09-11 Thread A
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-

Re: Update/where statement Adds Row

2019-09-11 Thread A
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

RE: Update/where statement Adds Row

2019-09-11 Thread JOHN, BIBIN
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