Kevin Grittner <kgri...@ymail.com> wrote:

>  - We don't distinguish between heap relation locks which need to

> prohibit inserts (those caused by a table scan) and heap relation
> locks which don't conflict with inserts (those caused by promotion
> from finer granularity).  We would reduce false positives if we
> did.


Correction: in the above point "prohibit" is misleading.

s/prohibit/cause read-write conflicts with/


A single read-write conflict does not cause blocking or transaction rollback.


--
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company



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