void
QOTstatisticsExit(void)
{
bat names[5];
if( qotStat[QOTnames] == NULL)
return;
MT_lock_set(&qotlock, "QOT statistics");
names[0] = 0;
names[1] = abs(qotStat[QOTnames]->batCacheid);
names[2] = abs(qotStat[QOTcalls]->batCacheid);
names[3] = abs(qotStat[QOTactions]->batCacheid);
names[4] = abs(qotStat[QOTtimings]->batCacheid);
TMsubcommit_list(names, 5);
MT_lock_unset(&qotlock, "QOT statistics");
}
if (subcommit == NULL)
return GDK_FAIL;
subcommit[0] = 0; /* BBP artifact: slot 0 in the array will be ignored */
/* collect the list and save the new bats outside any
* locking */
BATloop(b, p, q) {
bat bid = BBPindex((str) BUNtail(bi, p));
if (bid < 0)
bid = -bid;
if (bid)
subcommit[cnt++] = bid;
}
ret = TMsubcommit_list(subcommit, cnt);
GDKfree(subcommit);
return ret;
}
/*
* @- TMabort
* Transaction abort is cheap. We use the delta statuses to go back to
* the previous version of each BAT. Also for BATs that are currently
* swapped out. Persistent BATs that were made transient in this
* transaction become persistent again.
*/
void
TMabort(void)
{
int i;
