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Recent releases had a check on rel->rd_refcnt in heap_drop_with_catalog, but failed to cover the possibility of pending trigger events at DROP time. (Before 8.4 we didn't even check the refcnt.) When the trigger events were eventually fired, you'd get "could not open relation with OID nnn" errors, as in recent report from strk. Better to throw a suitable error when the DROP is attempted. Also add a similar check in DROP INDEX. Back-patch to all supported branches. |
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| README.dynSQL | ||
$PostgreSQL: pgsql/src/interfaces/ecpg/README.dynSQL,v 1.3 2008/03/21 13:23:28 momjian Exp $ descriptor statements have the following shortcomings - input descriptors (USING DESCRIPTOR <name>) are not supported Reason: to fully support dynamic SQL the frontend/backend communication should change to recognize input parameters. Since this is not likely to happen in the near future and you can cover the same functionality with the existing infrastructure (using s[n]printf), I'll leave the work to someone else.