On Fri, Sep 12, 2014 at 9:08 AM, Michael Paquier
<michael.paqu...@gmail.com> wrote:
> In walsender.c, sentPtr is initialized as follows:
> static XLogRecPtr sentPtr = 0;
> Isn't that incorrect and shouldn't we use InvalidXLogRecPtr instead?
Actually by looking more around I found a couple of extra places where
the same inconsistencies are present, mainly in xlog.c and
walreceiver.c. Updated patch attached for all those things.
Regards,
--
Michael
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index 34f2fc0..a6575f3 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -163,7 +163,7 @@ HotStandbyState standbyState = STANDBY_DISABLED;
static XLogRecPtr LastRec;
/* Local copy of WalRcv->receivedUpto */
-static XLogRecPtr receivedUpto = 0;
+static XLogRecPtr receivedUpto = InvalidXLogRecPtr;
static TimeLineID receiveTLI = 0;
/*
@@ -11003,7 +11003,7 @@ WaitForWALToBecomeAvailable(XLogRecPtr RecPtr, bool randAccess,
curFileTLI = tli;
RequestXLogStreaming(tli, ptr, PrimaryConnInfo,
PrimarySlotName);
- receivedUpto = 0;
+ receivedUpto = InvalidXLogRecPtr;
}
/*
@@ -11266,7 +11266,7 @@ WaitForWALToBecomeAvailable(XLogRecPtr RecPtr, bool randAccess,
static int
emode_for_corrupt_record(int emode, XLogRecPtr RecPtr)
{
- static XLogRecPtr lastComplaint = 0;
+ static XLogRecPtr lastComplaint = InvalidXLogRecPtr;
if (readSource == XLOG_FROM_PG_XLOG && emode == LOG)
{
diff --git a/src/backend/replication/walreceiver.c b/src/backend/replication/walreceiver.c
index c2d4ed3..c5103f7 100644
--- a/src/backend/replication/walreceiver.c
+++ b/src/backend/replication/walreceiver.c
@@ -1037,8 +1037,8 @@ XLogWalRcvFlush(bool dying)
static void
XLogWalRcvSendReply(bool force, bool requestReply)
{
- static XLogRecPtr writePtr = 0;
- static XLogRecPtr flushPtr = 0;
+ static XLogRecPtr writePtr = InvalidXLogRecPtr;
+ static XLogRecPtr flushPtr = InvalidXLogRecPtr;
XLogRecPtr applyPtr;
static TimestampTz sendTime = 0;
TimestampTz now;
diff --git a/src/backend/replication/walsender.c b/src/backend/replication/walsender.c
index 844a5de..1568a6c 100644
--- a/src/backend/replication/walsender.c
+++ b/src/backend/replication/walsender.c
@@ -140,7 +140,7 @@ static XLogRecPtr sendTimeLineValidUpto = InvalidXLogRecPtr;
* How far have we sent WAL already? This is also advertised in
* MyWalSnd->sentPtr. (Actually, this is the next WAL location to send.)
*/
-static XLogRecPtr sentPtr = 0;
+static XLogRecPtr sentPtr = InvalidXLogRecPtr;
/* Buffers for constructing outgoing messages and processing reply messages. */
static StringInfoData output_message;
--
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