Re: Sequential UUID Generation

2018-11-19 Thread Uday Bhaskar V
I tried below function as which can be used as default to column. But every time we need to created 2 sequences, 1st one takes care of the first 8 bytes and 2nd takes care of the 2nd part of the UUID. I have not tested index and space utilization. I have to examine this. This might not be completel

Re: Sequential UUID Generation

2018-10-30 Thread Uday Bhaskar V
. And it would also be fairly random, making > it difficult to guess UUIDs. > > regards > > On 10/29/2018 04:06 PM, Uday Bhaskar V wrote: > > Hi, > > > > We have migrated from Oracle to Postgres, there because of the > > replication requirements we used UUI

Sequential UUID Generation

2018-10-30 Thread Uday Bhaskar V
Hi, We have migrated from Oracle to Postgres, there because of the replication requirements we used UUID columns. I did a POC(in postgres) with sequential UUID against Non sequential which has shown lot of different in space utilization and index size. Sql server has "newsequentialid" which gener