Andrey,
In general case we do not store any values in the index. Essentially index
is a sequence of so-called "links" (i.e. pointers) to real data rows,
sorted in accordance with indexed column. When two rows have the same
indexed value, we need to sort them somehow still. This is where key and
Hello,
Ignite adds the cache key and optionally the affinity key (if defined) as two
last columns of all user-defined indexes (line 301 in H2TableDescriptor). For
example, given a user index salary_idx including a single field "salary", the
actual index is going to look like this:
CREATE
