Hi,

please do not touch shadows.
Shadows are used by many organisations. I saw it in almost any of them where i 
do some job for it.
And someone in near past worked on extending its usage e.g. CORE-4955

I agree with you that already existing feature "multi file database" is really 
"Database spaces".
New feature should extend this functionality for "kind of data".

Then in future we will have:
- database spaces
- table spaces

But i also disagree removing "database spaces" and implement only "table 
spaces".
Both are usefull.
Of course this features can not be used in the same database at the same time.
Only one of them.

ecod version.
And now all new data go into new place - eg. into fast accessible storage. Old 
data are on some slow storage.

But sumarise - i suppose that table spaces are on very lover priority and in my 
personal opinion should not be considered for FB V4 only V5.
I suppose that much usefull things should be implemented first - like clustered 
indexes, table partitioning, partial indexes, cube, rollup, grouping sets, 
R-TREE ...

When i saw that you consider removing multifile database - i have created 
CORE-5125.
I do not write it previously into the tracker because of below reason (look 
below).

But summarize - i suppose that table spaces are on very lover priority and in 
my personal opinion should not be considered for FB V4 only V5.
I suppose that much useful things should be implemented first - like clustered 
indexes, table partitioning, partial indexes, cube, rollup, grouping sets, 
R-TREE ...


regards,
Karol Bieniaszewski

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