> What do people recommend I do to store a small binary value in a column? I’d > rather not simply use a 32-bit int for a single byte value. blob is a byte array or you could use the varint, a variable length integer, but you probably want the blob.
cheers ----------------- Aaron Morton New Zealand @aaronmorton Co-Founder & Principal Consultant Apache Cassandra Consulting http://www.thelastpickle.com On 12/12/2013, at 1:33 pm, Andrey Ilinykh <ailin...@gmail.com> wrote: > Column metadata is about 20 bytes. So, there is no big difference if you save > 1 or 4 bytes. > > Thank you, > Andrey > > > On Wed, Dec 11, 2013 at 2:42 PM, onlinespending <onlinespend...@gmail.com> > wrote: > What do people recommend I do to store a small binary value in a column? I’d > rather not simply use a 32-bit int for a single byte value. Can I have a one > byte blob? Or should I store it as a single character ASCII string? I imagine > each is going to have the overhead of storing the length (or null termination > in the case of a string). That overhead may be worse than simply using a > 32-bit int. > > Also is it possible to partition on a single character or substring of > characters from a string (or a portion of a blob)? Something like: > > CREATE TABLE test ( > id text, > value blob, > PRIMARY KEY (string[0:1]) > ) >
