| From: | Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com> |
|---|---|
| To: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
| Cc: | Euler Taveira <euler(at)eulerto(dot)com>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Peter Smith <smithpb2250(at)gmail(dot)com>, Rahila Syed <rahilasyed90(at)gmail(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, Önder Kalacı <onderkalaci(at)gmail(dot)com>, japin <japinli(at)hotmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, David Steele <david(at)pgmasters(dot)net>, Craig Ringer <craig(at)2ndquadrant(dot)com>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Amit Langote <amitlangote09(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: row filtering for logical replication |
| Date: | 2021-07-19 13:34:48 |
| Message-ID: | e441dc9c-1221-08bc-e4fc-5c35092770fb@enterprisedb.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On 7/19/21 1:30 PM, Amit Kapila wrote:
> On Wed, Jul 14, 2021 at 8:03 PM Tomas Vondra
> <tomas(dot)vondra(at)enterprisedb(dot)com> wrote:
>>
>> On 7/14/21 2:50 PM, Amit Kapila wrote:
>>> On Wed, Jul 14, 2021 at 3:58 PM Tomas Vondra
>>>
>>> I think apart from the above, it might be good if we can find what
>>> some other databases does in this regard?
>>>
>>
>> Yeah, that might tell us what the users would like to do with it. I did
>> some quick search, but haven't found much :-( The one thing I found is
>> that Debezium [1] allows accessing both the "old" and "new" rows through
>> value.before and value.after, and use both for filtering.
>>
>
> Okay, but does it apply a filter to both rows for an Update event?
>
>>
>> [1]
>> https://wanna-joke.com/wp-content/uploads/2015/01/german-translation-comics-science.jpg
>>
>
> This link doesn't provide Debezium information, seems like a typo.
>
Uh, yeah - I copied a different link. I meant to send this one:
https://debezium.io/documentation/reference/configuration/filtering.html
regards
--
Tomas Vondra
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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