diff options
Diffstat (limited to 'src/backend/access/transam/timeline.c')
| -rw-r--r-- | src/backend/access/transam/timeline.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/backend/access/transam/timeline.c b/src/backend/access/transam/timeline.c index 46379bbff88..ad4f3162c53 100644 --- a/src/backend/access/transam/timeline.c +++ b/src/backend/access/transam/timeline.c @@ -545,22 +545,26 @@ tliOfPointInHistory(XLogRecPtr ptr, List *history) } /* - * Returns the point in history where we branched off the given timeline. - * Returns InvalidXLogRecPtr if the timeline is current (= we have not - * branched off from it), and throws an error if the timeline is not part of - * this server's history. + * Returns the point in history where we branched off the given timeline, + * and the timeline we branched to (*nextTLI). Returns InvalidXLogRecPtr if + * the timeline is current, ie. we have not branched off from it, and throws + * an error if the timeline is not part of this server's history. */ XLogRecPtr -tliSwitchPoint(TimeLineID tli, List *history) +tliSwitchPoint(TimeLineID tli, List *history, TimeLineID *nextTLI) { ListCell *cell; + if (nextTLI) + *nextTLI = 0; foreach (cell, history) { TimeLineHistoryEntry *tle = (TimeLineHistoryEntry *) lfirst(cell); if (tle->tli == tli) return tle->end; + if (nextTLI) + *nextTLI = tle->tli; } ereport(ERROR, |