| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Magnus Hagander <magnus(at)hagander(dot)net>, Jan de Visser <jan(at)de-visser(dot)net>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Hao Lee <mixtrue(at)gmail(dot)com>, Amit Langote <amitlangote09(at)gmail(dot)com>, PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org>, Robert Haas <robertmhaas(at)gmail(dot)com> |
| Subject: | Re: Do we need use more meaningful variables to replace 0 in catalog head files? |
| Date: | 2016-11-13 17:11:36 |
| Message-ID: | 20161113171136.ljweowqyxct4vwye@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
On 2016-11-13 11:23:09 -0500, Tom Lane wrote:
> Andres Freund <andres(at)anarazel(dot)de> writes:
> > On 2016-11-13 00:20:22 -0500, Peter Eisentraut wrote:
> >> Then we're not very far away from just using CREATE FUNCTION SQL commands.
>
> > Well, those do a lot of syscache lookups, which in turn do lookups for
> > functions...
>
> We can't use CREATE FUNCTION as the representation in the .bki file,
> because of the circularities involved (you can't fill pg_proc before
> pg_type nor vice versa). But I think Peter was suggesting that the
> input to the bki-generator script could look like CREATE commands.
> That's true, but I fear it would greatly increase the complexity
> of the script for not much benefit.
It'd also be very pg_proc specific, which isn't where I think this
should go..
Greetings,
Andres Freund
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