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Standardize "WAL location" terminology

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Other previously used terms were "WAL position" or "log position".
This commit is contained in:
Peter Eisentraut
2017-05-12 13:51:27 -04:00
parent c1a7f64b4a
commit d496a65790
19 changed files with 62 additions and 62 deletions
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2
src/backend/access/transam/recovery.conf.sample
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@@ -67,7 +67,7 @@
# must set a recovery target.
#
# You may set a recovery target either by transactionId, by name,
# by timestamp or by WAL position (LSN). Recovery may either include or
# by timestamp or by WAL location (LSN). Recovery may either include or
# exclude the transaction(s) with the recovery target value (ie, stop either
# just after or just before the given target, respectively).
#

4
src/backend/access/transam/timeline.c
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@@ -15,7 +15,7 @@
* <parentTLI> <switchpoint> <reason>
*
* parentTLI ID of the parent timeline
* switchpoint XLogRecPtr of the WAL position where the switch happened
* switchpoint XLogRecPtr of the WAL location where the switch happened
* reason human-readable explanation of why the timeline was changed
*
* The fields are separated by tabs. Lines beginning with # are comments, and
@@ -278,7 +278,7 @@ findNewestTimeLine(TimeLineID startTLI)
*
* newTLI: ID of the new timeline
* parentTLI: ID of its immediate parent
* switchpoint: XLOG position where the system switched to the new timeline
* switchpoint: WAL location where the system switched to the new timeline
* reason: human-readable explanation of why the timeline was switched
*
* Currently this is only used at the end recovery, and so there are no locking

2
src/backend/access/transam/twophase.c
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@@ -2294,7 +2294,7 @@ RecordTransactionAbortPrepared(TransactionId xid,
*
* Store pointers to the start/end of the WAL record along with the xid in
* a gxact entry in shared memory TwoPhaseState structure. If caller
* specifies InvalidXLogRecPtr as WAL position to fetch the two-phase
* specifies InvalidXLogRecPtr as WAL location to fetch the two-phase
* data, the entry is marked as located on disk.
*/
void

14
src/backend/access/transam/xlog.c
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@@ -5643,7 +5643,7 @@ recoveryStopsBefore(XLogReaderState *record)
recoveryStopTime = 0;
recoveryStopName[0] = '\0';
ereport(LOG,
(errmsg("recovery stopping before WAL position (LSN) \"%X/%X\"",
(errmsg("recovery stopping before WAL location (LSN) \"%X/%X\"",
(uint32) (recoveryStopLSN >> 32),
(uint32) recoveryStopLSN)));
return true;
@@ -5800,7 +5800,7 @@ recoveryStopsAfter(XLogReaderState *record)
recoveryStopTime = 0;
recoveryStopName[0] = '\0';
ereport(LOG,
(errmsg("recovery stopping after WAL position (LSN) \"%X/%X\"",
(errmsg("recovery stopping after WAL location (LSN) \"%X/%X\"",
(uint32) (recoveryStopLSN >> 32),
(uint32) recoveryStopLSN)));
return true;
@@ -6323,7 +6323,7 @@ StartupXLOG(void)
recoveryTargetName)));
else if (recoveryTarget == RECOVERY_TARGET_LSN)
ereport(LOG,
(errmsg("starting point-in-time recovery to WAL position (LSN) \"%X/%X\"",
(errmsg("starting point-in-time recovery to WAL location (LSN) \"%X/%X\"",
(uint32) (recoveryTargetLSN >> 32),
(uint32) recoveryTargetLSN)));
else if (recoveryTarget == RECOVERY_TARGET_IMMEDIATE)
@@ -7455,7 +7455,7 @@ StartupXLOG(void)
exitArchiveRecovery(EndOfLogTLI, EndOfLog);
/*
* Prepare to write WAL starting at EndOfLog position, and init xlog
* Prepare to write WAL starting at EndOfLog location, and init xlog
* buffer cache using the block containing the last record from the
* previous incarnation.
*/
@@ -10159,7 +10159,7 @@ XLogFileNameP(TimeLineID tli, XLogSegNo segno)
* when backup needs to generate tablespace_map file, it is used to
* embed escape character before newline character in tablespace path.
*
* Returns the minimum WAL position that must be present to restore from this
* Returns the minimum WAL location that must be present to restore from this
* backup, and the corresponding timeline ID in *starttli_p.
*
* Every successfully started non-exclusive backup must be stopped by calling
@@ -10669,7 +10669,7 @@ get_backup_status(void)
* If labelfile is NULL, this stops an exclusive backup. Otherwise this stops
* the non-exclusive backup specified by 'labelfile'.
*
* Returns the last WAL position that must be present to restore from this
* Returns the last WAL location that must be present to restore from this
* backup, and the corresponding timeline ID in *stoptli_p.
*
* It is the responsibility of the caller of this function to verify the
@@ -11569,7 +11569,7 @@ next_record_is_invalid:
}
/*
* Open the WAL segment containing WAL position 'RecPtr'.
* Open the WAL segment containing WAL location 'RecPtr'.
*
* The segment can be fetched via restore_command, or via walreceiver having
* streamed the record, or it can already be present in pg_wal. Checking