I'm +1 on this. I've seen fixed-width strings and other things in many different contexts. I would say that fixed-width binary is probably the primary use case, but you could imaging casting int96 data to fixed_list<3, int32>
On Mon, Jul 11, 2016 at 11:24 PM, Micah Kornfield <emkornfi...@gmail.com> wrote: > This came up in a code review a while ago, but what do people think of > adding a fixed width list type to the memory layout spec. > > This would have the same layout as the current list type. Instead of > having a separate offset buffer to determine location and length of > each list, the length would be stored as part of metadata and offsets > would be calculated using multiplication instead of lookups. > > One use case for this is an easy mapping to the "FIXED_LEN_BYTE_ARRAY" > in parquet. > > If people like the idea I can file a JIRA and update the current layout.md. > > Thanks, > -Micah
