...@trafodion.incubator.apache.org
Subject: RE: MDAM has sparse and dense mode, for string column, is it possible
to use dense mode?
Hi Dave and Ming,
I am not sure I understand why we are not just simply using a probe asking for
strictly greater in all cases>?
Let say after "ABC", the next pro
tober 23, 2017 11:35 AM
To: user@trafodion.incubator.apache.org; d...@trafodion.incubator.apache.org
Subject: RE: MDAM has sparse and dense mode, for string column, is it possible
to use dense mode?
Hi,
I believe the compiler today only uses "dense" for integer data types. It might
do
Hi,
I believe the compiler today only uses "dense" for integer data types. It might
do it for intervals too; I am not sure.
Using "dense" depends on being able to add 1. In principle this is possible for
any data type (even float!). But it can be tricky in practice. For example, for
VARCHARs:
