[COMMITTERS] pgsql: Fix infer_arbiter_indexes() to not barf on system columns.

2016-05-11 Thread Tom Lane
Fix infer_arbiter_indexes() to not barf on system columns. While it could be argued that rejecting system column mentions in the ON CONFLICT list is an unsupported feature, falling over altogether just because the table has a unique index on OID is indubitably a bug. As far as I can tell, fixing

[COMMITTERS] pgsql: Fix infer_arbiter_indexes() to not barf on system columns.

2016-05-11 Thread Tom Lane
Fix infer_arbiter_indexes() to not barf on system columns. While it could be argued that rejecting system column mentions in the ON CONFLICT list is an unsupported feature, falling over altogether just because the table has a unique index on OID is indubitably a bug. As far as I can tell, fixing