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Commit11abd6c

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Renumber CHECKPOINT_* flags.
Commit7dbb606 added a new CHECKPOINT_FLUSH_ALL flag. As thatcommit needed to be backpatched I didn't change the numeric values ofthe existing flags as that could lead to nastly problems if anyexternal code issued checkpoints. That's not a concern on master, sorenumber them there.Also add a comment about CHECKPOINT_FLUSH_ALL aboveCreateCheckPoint().
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2 files changed

+6
-5
lines changed

2 files changed

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‎src/backend/access/transam/xlog.c‎

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@@ -7892,6 +7892,7 @@ LogCheckpointEnd(bool restartpoint)
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*CHECKPOINT_FORCE: force a checkpoint even if no XLOG activity has occurred
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*since the last one (implied by CHECKPOINT_IS_SHUTDOWN or
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*CHECKPOINT_END_OF_RECOVERY).
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*CHECKPOINT_FLUSH_ALL: also flush buffers of unlogged tables.
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*
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* Note: flags contains other bits, of interest here only for logging purposes.
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* In particular note that this routine is synchronous and does not pay

‎src/include/access/xlog.h‎

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@@ -248,13 +248,13 @@ extern bool XLOG_DEBUG;
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* recovery */
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#defineCHECKPOINT_IMMEDIATE0x0004/* Do it without delays */
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#defineCHECKPOINT_FORCE0x0008/* Force even if no activity */
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#defineCHECKPOINT_FLUSH_ALL0x0010/* Flush all pages, including those
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* belonging to unlogged tables */
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/* These are important to RequestCheckpoint */
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#defineCHECKPOINT_WAIT0x0010/* Wait for completion */
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#defineCHECKPOINT_WAIT0x0020/* Wait for completion */
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/* These indicate the cause of a checkpoint request */
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#defineCHECKPOINT_CAUSE_XLOG0x0020/* XLOG consumption */
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#defineCHECKPOINT_CAUSE_TIME0x0040/* Elapsed time */
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#defineCHECKPOINT_FLUSH_ALL0x0080/* Flush all pages, including those
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* belonging to unlogged tables */
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#defineCHECKPOINT_CAUSE_XLOG0x0040/* XLOG consumption */
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#defineCHECKPOINT_CAUSE_TIME0x0080/* Elapsed time */
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/* Checkpoint statistics */
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typedefstructCheckpointStatsData

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