Re: Seq scans roadmap - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Seq scans roadmap
Date
Msg-id 21639.1179100464@sss.pgh.pa.us
Whole thread Raw
In response to Re: Seq scans roadmap  ("CK Tan" <cktan@greenplum.com>)
Responses Re: Seq scans roadmap  ("CK Tan" <cktan@greenplum.com>)
List pgsql-hackers
"CK Tan" <cktan@greenplum.com> writes:
> COPY/INSERT are also bottlenecked on record at a time insertion into  
> heap, and in checking for pre-insert trigger, post-insert trigger and  
> constraints.

> To speed things up, we really need to special case insertions without  
> triggers and constraints, [probably allow for unique constraints],  

Do you have any profiling data to back up these assertions?  I haven't
noticed that firing zero tuples takes any visible percentage of COPY
time.
        regards, tom lane


pgsql-hackers by date:

Previous
From: "CK Tan"
Date:
Subject: Re: Seq scans roadmap
Next
From: "CK Tan"
Date:
Subject: Re: Seq scans roadmap