Thanks for the comments. Updated patch attached. In the process of looking it over again, I noticed that in an assert-enabled build, it's trivial to crash the server with this function: just pass a nonzero subobjid with an object class that doesn't take one. This could be fixed easily by turning the Asserts into elog(ERROR).
Another problem with this function is that a lot of checks that currently raise errors with elog(ERROR) are now user-facing. On this issue one possible answer would be to do nothing; another would be to go over all those calls and turn them into full-fledged ereports. -- Álvaro Herrera <alvhe...@commandprompt.com> The PostgreSQL Company - Command Prompt, Inc. PostgreSQL Replication, Consulting, Custom Development, 24x7 support
0001-Add-pg_describe_object-function.patch
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