| From: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
|---|---|
| To: | Igor Korot <ikorot01(at)gmail(dot)com> |
| Cc: | Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>, pgsql-general <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: How to watch for schema changes |
| Date: | 2018-07-09 21:11:31 |
| Message-ID: | CAKFQuwaDE1omczs_Sd5aiGeqROiTR5JeCERZzbL6PZTWJnUcQw@mail.gmail.com |
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| Lists: | pgsql-general |
On Mon, Jul 9, 2018 at 1:49 PM, Igor Korot <ikorot01(at)gmail(dot)com> wrote:
> Just a thought...
> Is it possible to create a trigger for a system table?
>
Not sure, and doesn't seem documented either way, but seems easy enough to
try on a test cluster...
[...]
> Successful "CREATE TABLE..." statement creates a row inside the
> information_schema.tables
>
Given that information_schema.tables is a view, not a table, it doesn't
make a valid hook point for the trigger regardless of the previous point.
David J.
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