Jan Wieck wrote:
>
> - At CREATE TABLE, a long value relation named
> "_LONG<tablename>" is created for those tables who need it.
> And of course dropped and truncated appropriate. The schema
> of this table is
>
> rowid Oid, -- oid of our main data row
> rowattno int2, -- the attribute number in main data
> chunk_seq int4, -- the part number of this data chunk
> chunk text -- the content of this data chunk
>
> There is a unique index defined on (rowid, rowattno).
>
If you plan to use the same LONGs for multiple versions you will probably
need a refcount int4 too
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Hannu