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Renumber CHECKPOINT_* flags.

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Commit 7dbb606938 added a new CHECKPOINT_FLUSH_ALL flag. As that
commit needed to be backpatched I didn't change the numeric values of
the existing flags as that could lead to nastly problems if any
external code issued checkpoints. That's not a concern on master, so
renumber them there.

Also add a comment about CHECKPOINT_FLUSH_ALL above
CreateCheckPoint().
This commit is contained in:
Andres Freund
2014-10-21 00:20:08 +02:00
parent 7dbb606938
commit 11abd6c90f
2 changed files with 7 additions and 6 deletions
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1
src/backend/access/transam/xlog.c
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@ -7892,6 +7892,7 @@ LogCheckpointEnd(bool restartpoint)
* CHECKPOINT_FORCE: force a checkpoint even if no XLOG activity has occurred
* since the last one (implied by CHECKPOINT_IS_SHUTDOWN or
* CHECKPOINT_END_OF_RECOVERY).
* CHECKPOINT_FLUSH_ALL: also flush buffers of unlogged tables.
*
* Note: flags contains other bits, of interest here only for logging purposes.
* In particular note that this routine is synchronous and does not pay