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195e81aff5
The original coding for ALTER SYSTEM made a fundamentally bogus assumption that postgresql.auto.conf could be sought relative to the main config file if we hadn't yet determined the value of data_directory. This fails for common arrangements with the config file elsewhere, as reported by Christoph Berg. The simplest fix is to not try to read postgresql.auto.conf until after SelectConfigFiles has chosen (and locked down) the data_directory setting. Because of the logic in ProcessConfigFile for handling resetting of GUCs that've been removed from the config file, we cannot easily read the main and auto config files separately; so this patch adopts a brute force approach of reading the main config file twice during postmaster startup. That's a tad ugly, but the actual time cost is likely to be negligible, and there's no time for a more invasive redesign before beta. With this patch, any attempt to set data_directory via ALTER SYSTEM will be silently ignored. It would probably be better to throw an error, but that can be dealt with later. This bug, however, would prevent any testing of ALTER SYSTEM by a significant fraction of the userbase, so it seems important to get it fixed before beta. |
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| adt | ||
| cache | ||
| error | ||
| fmgr | ||
| hash | ||
| init | ||
| mb | ||
| misc | ||
| mmgr | ||
| resowner | ||
| sort | ||
| time | ||
| .gitignore | ||
| errcodes.txt | ||
| Gen_dummy_probes.sed | ||
| Gen_fmgrtab.pl | ||
| generate-errcodes.pl | ||
| Makefile | ||
| probes.d | ||