By mistake email was sent ;). To be more specific, here is example of my schema
table bsn.main:
key: long
family: names
type:date:version => json object
family: addresses
type:date:version => json object
etc.
so, loader can put old name into names with old data (even if some
name json object was updated).
in such case i increment version and later remove multiple version (to
save space and time).
