Re: [HACKERS] Do we need use more meaningful variables to replace 0in catalog head files?
От | Peter Eisentraut |
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Тема | Re: [HACKERS] Do we need use more meaningful variables to replace 0in catalog head files? |
Дата | |
Msg-id | 4fa162b0-640f-3fdf-7ec3-889159bfb300@2ndquadrant.com обсуждение исходный текст |
Ответ на | Re: Do we need use more meaningful variables to replace 0 in catalog head files? (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-hackers |
On 11/13/16 12:19 PM, Tom Lane wrote: >> It'd also be very pg_proc specific, which isn't where I think this >> should go.. > > The presumption is that we have a CREATE command for every type of > object that we need to put into the system catalogs. But yes, the > other problem with this approach is that you need to do a lot more > work per-catalog to build the converter script. I'm not sure how > much of that could be imported from gram.y, but I'm afraid the > answer would be "not enough". I'd think about converting about 75% of what is currently in the catalog headers into some sort of built-in extension that is loaded via an SQL script. There are surely some details about that that would need to be worked out, but I think that's a more sensible direction than inventing another custom format. I wonder how big the essential bootstrap set of pg_proc.h would be and how manageable the file would be if it were to be reduced like that. -- Peter Eisentraut http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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