Now You can do queries like

select sum(some_func(x)) from ...
select min(table1.x + table2.y) from table1, table2 where ...

and so on.

Vadim

if its free-space < min_tuple_len.

by scanning PROC structures of all running backend.

PROC structure (it's for new TransactionIdIsInProgress func).

and to InvalidTransactionId in CommitTransaction & AbortTransaction
(it's for new TransactionIdIsInProgress func).

"may be used before being set" warnings.