On Sat, Dec 21, 2013 at 4:13 AM, Robert Haas <[email protected]> wrote:
> On Fri, Dec 20, 2013 at 9:06 AM, Alvaro Herrera
> <[email protected]> wrote:
>> Michael Paquier escribió:
>>> On Fri, Dec 20, 2013 at 1:05 PM, Sawada Masahiko <[email protected]>
>>> wrote:
>>
>>> > Sorry the patch which I attached has wrong indent on pg_controldata.
>>> > I have modified it and attached the new version patch.
>>> Now that you send this patch, I am just recalling some recent email
>>> from Tom arguing about avoiding to mix lower and upper-case characters
>>> for a GUC parameter name:
>>> http://www.postgresql.org/message-id/[email protected]
>>>
>>> To fullfill this requirement, could you replace walLogHints by
>>> wal_log_hints in your patch? Thoughts from others?
>>
>> The issue is with the user-visible variables, not with internal
>> variables implementing them. I think the patch is sane. (Other than
>> the fact that it was posted as a patch-on-patch instead of
>> patch-on-master).
>
> But spelling it the same way everywhere really improves greppability.
Yep, finding all the code paths with a single keyword is usually a
good thing. Attached is a purely-aesthetical patch that updates the
internal variable name to wal_log_hints.
--
Michael
commit a727578f38ae6574d36fc840ec903cc2a6f4a860
Author: Michael Paquier <[email protected]>
Date: Tue Dec 24 22:56:13 2013 +0900
Rename internal variable of wal_log_hints for better consistency
Purely-aesthetical patch...
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index 1277e71..43a0416 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -79,7 +79,7 @@ bool XLogArchiveMode = false;
char *XLogArchiveCommand = NULL;
bool EnableHotStandby = false;
bool fullPageWrites = true;
-bool walLogHints = false;
+bool wal_log_hints = false;
bool log_checkpoints = false;
int sync_method = DEFAULT_SYNC_METHOD;
int wal_level = WAL_LEVEL_MINIMAL;
@@ -5271,7 +5271,7 @@ BootStrapXLOG(void)
ControlFile->max_prepared_xacts = max_prepared_xacts;
ControlFile->max_locks_per_xact = max_locks_per_xact;
ControlFile->wal_level = wal_level;
- ControlFile->wal_log_hints = walLogHints;
+ ControlFile->wal_log_hints = wal_log_hints;
ControlFile->data_checksum_version = bootstrap_data_checksum_version;
/* some additional ControlFile fields are set in WriteControlFile() */
@@ -9060,7 +9060,7 @@ static void
XLogReportParameters(void)
{
if (wal_level != ControlFile->wal_level ||
- walLogHints != ControlFile->wal_log_hints ||
+ wal_log_hints != ControlFile->wal_log_hints ||
MaxConnections != ControlFile->MaxConnections ||
max_worker_processes != ControlFile->max_worker_processes ||
max_prepared_xacts != ControlFile->max_prepared_xacts ||
@@ -9083,7 +9083,7 @@ XLogReportParameters(void)
xlrec.max_prepared_xacts = max_prepared_xacts;
xlrec.max_locks_per_xact = max_locks_per_xact;
xlrec.wal_level = wal_level;
- xlrec.wal_log_hints = walLogHints;
+ xlrec.wal_log_hints = wal_log_hints;
rdata.buffer = InvalidBuffer;
rdata.data = (char *) &xlrec;
@@ -9098,7 +9098,7 @@ XLogReportParameters(void)
ControlFile->max_prepared_xacts = max_prepared_xacts;
ControlFile->max_locks_per_xact = max_locks_per_xact;
ControlFile->wal_level = wal_level;
- ControlFile->wal_log_hints = walLogHints;
+ ControlFile->wal_log_hints = wal_log_hints;
UpdateControlFile();
}
}
@@ -9485,7 +9485,7 @@ xlog_redo(XLogRecPtr lsn, XLogRecord *record)
ControlFile->max_prepared_xacts = xlrec.max_prepared_xacts;
ControlFile->max_locks_per_xact = xlrec.max_locks_per_xact;
ControlFile->wal_level = xlrec.wal_level;
- ControlFile->wal_log_hints = walLogHints;
+ ControlFile->wal_log_hints = wal_log_hints;
/*
* Update minRecoveryPoint to ensure that if recovery is aborted, we
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index a605363..f8261b6 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -876,7 +876,7 @@ static struct config_bool ConfigureNamesBool[] =
gettext_noop("Writes full pages to WAL when first modified after a checkpoint, even for a non-critical modifications"),
NULL
},
- &walLogHints,
+ &wal_log_hints,
false,
NULL, NULL, NULL
},
diff --git a/src/include/access/xlog.h b/src/include/access/xlog.h
index 954486a..91ba0d1 100644
--- a/src/include/access/xlog.h
+++ b/src/include/access/xlog.h
@@ -189,7 +189,7 @@ extern bool XLogArchiveMode;
extern char *XLogArchiveCommand;
extern bool EnableHotStandby;
extern bool fullPageWrites;
-extern bool walLogHints;
+extern bool wal_log_hints;
extern bool log_checkpoints;
extern int num_xloginsert_slots;
@@ -221,7 +221,7 @@ extern int wal_level;
* of the bits make it to disk, but the checksum wouldn't match. Also WAL-log
* them if forced by wal_log_hints=on.
*/
-#define XLogHintBitIsNeeded() (DataChecksumsEnabled() || walLogHints)
+#define XLogHintBitIsNeeded() (DataChecksumsEnabled() || wal_log_hints)
/* Do we need to WAL-log information required only for Hot Standby and logical replication? */
#define XLogStandbyInfoActive() (wal_level >= WAL_LEVEL_HOT_STANDBY)
--
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