Re: Hooks Docu - list of hooks

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On 24/06/14 12:59, Abhijit Menon-Sen wrote:
> At 2014-06-24 12:49:17 +0200, lists@hasibether.at wrote:
>>
>> Is there a list of possible hooks, or maybe a little docu or overview?
>
> The best I found was "git grep _hook_type" and then read the code to
> understand when and why the hook was called.
>
>> Especially hooks to catch Insert, Update and Delete Stmts and
>> SubQuerys.
>>
>> It would help a lot to finish / write a log into Tables Module.
>
> Look at how pgaudit does it: https://github.com/2ndQuadrant/pgaudit
I already tried pgaudit ;), one of the best examples, it helped me much.
>
>
> The code has comments about how the various available hooks are used.
> (I was planning to implement a bgwriter that wrote log messages to a
> table, which sounds a bit like what you want to do.)
The module i'm thinking of, working on, is a bit inspired from pgaudit
and petere's pg_trashcan.
It should copy every created table in a "shadow"-schema with extra
columns for record on / record off and Userid (this is already working ;)).
In case of a drop statement it should rename the table in the shadow
schema XXX-droped-Date.

Now i am trying to catch the planned Stmts, ...
It should work without triggers - because the shadow schema should only
be visible for user postgres.

regards
geohas

>
>
> -- Abhijit
>
>

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