/*
* This must be called ONCE during postmaster or standalone-backend startup,
* after recovery has finished.
*/
void
CompleteCommitTsInitialization(void)
{
/*
* If the feature is not enabled, turn it off for good. This also removes
* any leftover data.
*/
if (!track_commit_timestamp)
DeactivateCommitTs();
}
/*
* This must be called ONCE during postmaster or standalone-backend startup,
* after recovery has finished.
*/
void
CompleteCommitTsInitialization(void)
{
/*
* If the feature is not enabled, turn it off for good. This also removes
* any leftover data.
*
* Conversely, we activate the module if the feature is enabled. This is
* necessary for primary and standby as the activation depends on the
* control file contents at the beginning of recovery or when a
* XLOG_PARAMETER_CHANGE is replayed.
*/
if (!track_commit_timestamp)
DeactivateCommitTs();
else
ActivateCommitTs();
}
/*
* This must be called ONCE during postmaster or standalone-backend startup,
* after recovery has finished.
*/
void
CompleteCommitTsInitialization(void)
{
/*
* If the feature is not enabled, turn it off for good. This also removes
* any leftover data.
*
* Conversely, we activate the module if the feature is enabled. This is
* not necessary in a master system because we already did it earlier, but
* if we're in a standby server that got promoted which had the feature
* enabled and was following a master that had the feature disabled, this
* is where we turn it on locally.
*/
if (!track_commit_timestamp)
DeactivateCommitTs();
else
ActivateCommitTs();
}
/*
* Activate or deactivate CommitTs' upon reception of a XLOG_PARAMETER_CHANGE
* XLog record in a standby.
*/
void
CommitTsParameterChange(bool newvalue, bool oldvalue)
{
/*
* If the commit_ts module is disabled in this server and we get word from
* the master server that it is enabled there, activate it so that we can
* replay future WAL records involving it; also mark it as active on
* pg_control. If the old value was already set, we already did this, so
* don't do anything.
*
* If the module is disabled in the master, disable it here too, unless
* the module is enabled locally.
*/
if (newvalue)
{
if (!commitTsShared->commitTsActive)
ActivateCommitTs();
}
else if (commitTsShared->commitTsActive)
DeactivateCommitTs();
}
