Re: PARALLEL CTAS
Rob Sargent <robjsargent@gmail.com>
From: Rob Sargent <robjsargent@gmail.com>
To: pgsql-sql@lists.postgresql.org
Date: 2022-12-12T17:25:08Z
Lists: pgsql-sql
On 12/12/22 10:13, Shane Borden wrote: > The issue is there are certain performance benefits to be had by doing > parallel CTAS operations and when converting from Oracle to PostgreSQL > switching to a “COPY” operation isn’t feasible. > --- > > Thanks, > Today I suspect you're left with something like the following: - CTAS from source where 1=2 (i.e. table definition via select semantics) - copy from stdin (filled with intended CTAS select)