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Commita0b4c5a

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Fix pg_basebackup/pg_receivexlog for floating point timestamps
Since the replication protocol deals with TimestampTz, we need tocare for the floating point case as well in the frontend tools.Fujii Masao, with changes from Magnus Hagander
1 parent7c1abc0 commita0b4c5a

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5 files changed

+64
-11
lines changed

5 files changed

+64
-11
lines changed

‎doc/src/sgml/ref/pg_basebackup.sgml

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -338,8 +338,8 @@ PostgreSQL documentation
338338
Specifies the number of seconds between status packets sent back to the
339339
server. This is required when streaming the transaction log (using
340340
<literal>--xlog=stream</literal>) if replication timeout is configured
341-
on the server, and allows for easier monitoring.The defaultvalueis
342-
10 seconds.
341+
on the server, and allows for easier monitoring.Avalueof zero disables
342+
the status updates completely. The default value is10 seconds.
343343
</para>
344344
</listitem>
345345
</varlistentry>

‎doc/src/sgml/ref/pg_receivexlog.sgml

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -129,8 +129,8 @@ PostgreSQL documentation
129129
<para>
130130
Specifies the number of seconds between status packets sent back to the
131131
server. This is required if replication timeout is configured on the
132-
server, and allows for easier monitoring.The defaultvalueis
133-
10 seconds.
132+
server, and allows for easier monitoring.Avalueof zero disables the
133+
status updates completely. The default value is10 seconds.
134134
</para>
135135
</listitem>
136136
</varlistentry>

‎src/bin/pg_basebackup/pg_basebackup.c

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -46,7 +46,7 @@ intcompresslevel = 0;
4646
boolincludewal= false;
4747
boolstreamwal= false;
4848
boolfastcheckpoint= false;
49-
intstandby_message_timeout=10;/* 10 sec = default */
49+
intstandby_message_timeout=10*1000;/* 10 sec = default */
5050

5151
/* Progress counters */
5252
staticuint64totalsize;
@@ -1311,7 +1311,7 @@ main(int argc, char **argv)
13111311
dbgetpassword=1;
13121312
break;
13131313
case's':
1314-
standby_message_timeout=atoi(optarg);
1314+
standby_message_timeout=atoi(optarg)*1000;
13151315
if (standby_message_timeout<0)
13161316
{
13171317
fprintf(stderr,_("%s: invalid status interval \"%s\"\n"),

‎src/bin/pg_basebackup/pg_receivexlog.c

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -40,7 +40,7 @@
4040
char*basedir=NULL;
4141
intverbose=0;
4242
intnoloop=0;
43-
intstandby_message_timeout=10;/* 10 sec = default */
43+
intstandby_message_timeout=10*1000;/* 10 sec = default */
4444
volatilebooltime_to_abort= false;
4545

4646

@@ -356,7 +356,7 @@ main(int argc, char **argv)
356356
dbgetpassword=1;
357357
break;
358358
case's':
359-
standby_message_timeout=atoi(optarg);
359+
standby_message_timeout=atoi(optarg)*1000;
360360
if (standby_message_timeout<0)
361361
{
362362
fprintf(stderr,_("%s: invalid status interval \"%s\"\n"),

‎src/bin/pg_basebackup/receivelog.c

Lines changed: 56 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -23,6 +23,7 @@
2323
#include"access/xlog_internal.h"
2424
#include"replication/walprotocol.h"
2525
#include"utils/datetime.h"
26+
#include"utils/timestamp.h"
2627

2728
#include"receivelog.h"
2829
#include"streamutil.h"
@@ -195,6 +196,51 @@ localGetCurrentTimestamp(void)
195196
returnresult;
196197
}
197198

199+
/*
200+
* Local version of TimestampDifference(), since we are not
201+
* linked with backend code.
202+
*/
203+
staticvoid
204+
localTimestampDifference(TimestampTzstart_time,TimestampTzstop_time,
205+
long*secs,int*microsecs)
206+
{
207+
TimestampTzdiff=stop_time-start_time;
208+
209+
if (diff <=0)
210+
{
211+
*secs=0;
212+
*microsecs=0;
213+
}
214+
else
215+
{
216+
#ifdefHAVE_INT64_TIMESTAMP
217+
*secs= (long) (diff /USECS_PER_SEC);
218+
*microsecs= (int) (diff %USECS_PER_SEC);
219+
#else
220+
*secs= (long)diff;
221+
*microsecs= (int) ((diff-*secs)*1000000.0);
222+
#endif
223+
}
224+
}
225+
226+
/*
227+
* Local version of TimestampDifferenceExceeds(), since we are not
228+
* linked with backend code.
229+
*/
230+
staticbool
231+
localTimestampDifferenceExceeds(TimestampTzstart_time,
232+
TimestampTzstop_time,
233+
intmsec)
234+
{
235+
TimestampTzdiff=stop_time-start_time;
236+
237+
#ifdefHAVE_INT64_TIMESTAMP
238+
return (diff >=msec*INT64CONST(1000));
239+
#else
240+
return (diff*1000.0 >=msec);
241+
#endif
242+
}
243+
198244
/*
199245
* Receive a log stream starting at the specified position.
200246
*
@@ -306,7 +352,8 @@ ReceiveXlogStream(PGconn *conn, XLogRecPtr startpos, uint32 timeline, char *sysi
306352
*/
307353
now=localGetCurrentTimestamp();
308354
if (standby_message_timeout>0&&
309-
last_status<now-standby_message_timeout*1000000)
355+
localTimestampDifferenceExceeds(last_status,now,
356+
standby_message_timeout))
310357
{
311358
/* Time to send feedback! */
312359
charreplybuf[sizeof(StandbyReplyMessage)+1];
@@ -345,10 +392,16 @@ ReceiveXlogStream(PGconn *conn, XLogRecPtr startpos, uint32 timeline, char *sysi
345392
FD_SET(PQsocket(conn),&input_mask);
346393
if (standby_message_timeout)
347394
{
348-
timeout.tv_sec=last_status+standby_message_timeout-now-1;
395+
TimestampTztargettime;
396+
397+
targettime=TimestampTzPlusMilliseconds(last_status,
398+
standby_message_timeout-1);
399+
localTimestampDifference(now,
400+
targettime,
401+
&timeout.tv_sec,
402+
(int*)&timeout.tv_usec);
349403
if (timeout.tv_sec <=0)
350404
timeout.tv_sec=1;/* Always sleep at least 1 sec */
351-
timeout.tv_usec=0;
352405
timeoutptr=&timeout;
353406
}
354407
else

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