Request a Demo
Home   >   mailing lists

Re: [HACKERS] MERGE SQL Statement for PG11 - Mailing list pgsql-hackers

From Nico Williams
Subject Re: [HACKERS] MERGE SQL Statement for PG11
Date
Msg-id 20171108054946.GC4496@localhost
Whole thread Raw
In response to Re: [HACKERS] MERGE SQL Statement for PG11  (Nico Williams <[email protected]>)
List pgsql-hackers
Tree view 
Ah, there is one reason not to use a mapping to CTEs to implement MERGE:
it might be faster to use a single query that is a FULL OUTER JOIN of the
source and target to drive the update/insert/delete operations.


-- 
Sent via pgsql-hackers mailing list ([email protected])
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-hackers

pgsql-hackers by date:

Previous
From: Thomas Munro
Date:
Subject: Re: [HACKERS] UPDATE of partition key
Next
From: Rajkumar Raghuwanshi
Date:
Subject: Re: [HACKERS] path toward faster partition pruning