[HACKERS] Change Catalog

2010-01-06 Thread black light
Hi, I can access to system catalog using syscache functions. How can i change the values of cache (e.g. change an attribute in pg_authid)? Are syscache functions readonly? Thanks - B. L.

[HACKERS] global\pg_auth

2010-01-05 Thread black light
Hi, Why PG uses a flat file (global\pg_auth) for md5 authentication!? Is it forced to do it instead of accessing relevant table is system catalog? Thanks - B. L.

[HACKERS] execute sql commands in core

2010-01-04 Thread black light
Hi, I want to add some hard-wired extra authentication codes in my PG. The only problem is how to access tables to get/change information from core (auth.c)? I have changed the SPI functions to use them but it was not effective (lots of different errors!) In fact, i want to add a table to system