| From: | "Hayato Kuroda (Fujitsu)" <kuroda(dot)hayato(at)fujitsu(dot)com> |
|---|---|
| To: | 'Andres Freund' <andres(at)anarazel(dot)de>, "Takamichi Osumi (Fujitsu)" <osumi(dot)takamichi(at)fujitsu(dot)com> |
| Cc: | 'Peter Smith' <smithpb2250(at)gmail(dot)com>, Euler Taveira <euler(at)eulerto(dot)com>, Melih Mutlu <m(dot)melihmutlu(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Marcos Pegoraro <marcos(at)f10(dot)com(dot)br>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | RE: Time delayed LR (WAS Re: logical replication restrictions) |
| Date: | 2022-12-09 06:38:23 |
| Message-ID: | TYAPR01MB5866EC1CC5F194FE9DEC90B5F51C9@TYAPR01MB5866.jpnprd01.prod.outlook.com |
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| Lists: | pgsql-hackers |
Dear Andres,
Thanks for reporting! I have analyzed the problem and found the root cause.
This feature seemed not to work on 32-bit OSes. This was because the calculation
of delay_time was wrong. The first argument of this should be TimestampTz datatype, not Datum:
```
+ /* Set apply delay */
+ delay_until = TimestampTzPlusMilliseconds(TimestampTzGetDatum(ts),
+ MySubscription->applydelay);
```
In more detail, the datum representation of int64 contains the value itself
on 64-bit OSes, but it contains the pointer to the value on 32-bit.
After modifying the issue, this will work on 32-bit environments.
Best Regards,
Hayato Kuroda
FUJITSU LIMITED
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