[PATCH 4/6] txn: do not require space id for nop requests

[Vladimir Davydov]

On Thu, Jun 28, 2018 at 01:23:22PM +0300, Konstantin Osipov wrote:
> * Vladimir Davydov <vdavydov.dev at gmail.com> [18/06/28 12:14]:
> > But txn_commit_nop() lives in txn.c. That's why I called it like that.
> 
> Let's move it then.

That's going to look weird, because this function depends on internal
txn stuff. IMHO it all looks consistent as it is:

  txn_begin_stmt - prepare DML request in transaction
  txn_commit_stmt - commit DML request statement

  txn_commit_nop - commit NOP request statement.

No?