Re: [HACKERS] [PATCH]make pg_rewind to not copy useless WAL files

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От Alexander Korotkov
Тема Re: [HACKERS] [PATCH]make pg_rewind to not copy useless WAL files
Дата
Msg-id CAPpHfdsdGS5RokddDQZhCvR6S+tpxGto1Z8+sbxDM99db-4MMg@mail.gmail.com
обсуждение исходный текст
Ответ на Re: [HACKERS] [PATCH]make pg_rewind to not copy useless WALfiles  (chenhj <chjischj@163.com>)
Ответы Re: [HACKERS] [PATCH]make pg_rewind to not copy useless WALfiles
Список pgsql-hackers
Дерево обсуждения
On Mon, Sep 25, 2017 at 6:26 PM, chenhj <chjischj@163.com> wrote:
On 2017-09-23 01:59:0, "Alexander Korotkov" <a.korotkov@postgrespro.ru> wrote:
On Fri, Sep 22, 2017 at 7:16 PM, chenhj <chjischj@163.com> wrote:
This is the new pacth with TAP test and use Macro XLOGDIR.

Good.  I took a quick look over the patch.
Why do you need master_query(), standby_query() and run_query() in RewindTest.pm?
You can do just $node_master->safe_psql() and $node_slave->safe_psql() instead.

Ooh, i did not notice that function.Thank you for your advice!

Great.  I tried this patch.  It applies cleanly, but doesn't compile.

pg_rewind.c:310:36: error: too few arguments provided to function-like macro invocation
        XLByteToSeg(divergerec, startsegno);
                                          ^
../../../src/include/access/xlog_internal.h:118:9: note: macro 'XLByteToSeg' defined here
#define XLByteToSeg(xlrp, logSegNo, wal_segsz_bytes) \
        ^
pg_rewind.c:310:2: error: use of undeclared identifier 'XLByteToSeg'
        XLByteToSeg(divergerec, startsegno);
        ^
pg_rewind.c:311:89: error: too few arguments provided to function-like macro invocation
        XLogFileName(divergence_wal_filename, targetHistory[lastcommontliIndex].tli, startsegno);
                                                                                               ^
../../../src/include/access/xlog_internal.h:155:9: note: macro 'XLogFileName' defined here
#define XLogFileName(fname, tli, logSegNo, wal_segsz_bytes)     \
        ^
pg_rewind.c:311:2: error: use of undeclared identifier 'XLogFileName'
        XLogFileName(divergence_wal_filename, targetHistory[lastcommontliIndex].tli, startsegno);
        ^
pg_rewind.c:312:34: error: too few arguments provided to function-like macro invocation
        XLByteToPrevSeg(endrec, endsegno);
                                        ^
../../../src/include/access/xlog_internal.h:121:9: note: macro 'XLByteToPrevSeg' defined here
#define XLByteToPrevSeg(xlrp, logSegNo, wal_segsz_bytes) \
        ^
pg_rewind.c:312:2: error: use of undeclared identifier 'XLByteToPrevSeg'
        XLByteToPrevSeg(endrec, endsegno);
        ^
pg_rewind.c:313:57: error: too few arguments provided to function-like macro invocation
        XLogFileName(last_source_wal_filename, endtli, endsegno);
                                                               ^
../../../src/include/access/xlog_internal.h:155:9: note: macro 'XLogFileName' defined here
#define XLogFileName(fname, tli, logSegNo, wal_segsz_bytes)     \
        ^
pg_rewind.c:313:2: error: use of undeclared identifier 'XLogFileName'
        XLogFileName(last_source_wal_filename, endtli, endsegno);
        ^
8 errors generated.

It appears that your patch conflicts with fc49e24f.  Please, rebase it.

------
Alexander Korotkov
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company 

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