That sounds right to me. A ----------------- Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com
On 29/04/2012, at 5:00 AM, Paolo Bernardi wrote: > Apparently IntegerType is based on Java's BigInteger. > > http://git-wip-us.apache.org/repos/asf?p=cassandra.git;a=blob_plain;f=src/java/org/apache/cassandra/db/marshal/IntegerType.java;hb=HEAD > > Given the message, I suspect that you got some values between -2^15 and > 2^15-1 (the range of a short int) that have been serialized with two bytes. > Any confirmation on this? > > If this is true, changing the type like you tried to do might not be so > straightforward. > > Paolo > > On Apr 27, 2012 6:55 PM, "马超" <hossc...@gmail.com> wrote: > After I update the column type: > > update column family User with column_metadata = [{column_name : 77, > validation_class : Int32Type}]; > > I can't list the data in User column family: > > list User; > > RowKey: 1234 > A int is exactly 4 bytes: 2 > > Any ideas for this? > > Thanks, > > 2012/4/27 马超 <hossc...@gmail.com> > Thanks a lot! > I will go ahead~ > > > 2012/4/27 Sylvain Lebresne <sylv...@datastax.com> > On Fri, Apr 27, 2012 at 5:26 PM, 马超 <hossc...@gmail.com> wrote: > > Hi all, > > > > I want to change one of my column type from IntegerType to Int32Type > > dynamically. I'm sure all datas in that column are int32 type indeed. So I > > want changing the column type by: > > > > update column family XXX with column_metadata = [{column_name : 'xxx', > > validation_class : Int32Type}]; > > > > Is there any harm to do this? > > There isn't (as long as you're right to be sure of course). > > -- > Sylvain > >
