Re: [HACKERS] Progress Report on Materialized Views

2004-02-23 Thread Tom Lane
"Simon Riggs" <[EMAIL PROTECTED]> writes: > You are 100% right: MVs are unambiguously not allowed as part of the > TPC-H spec - what 1.5.7 shows is how useful MVs are: they've had to ban > them! Ah, now I get your point. You're quite right, the TPC-H queries taken as a repetitive workload would b

Re: [HACKERS] Progress Report on Materialized Views

2004-02-23 Thread Simon Riggs
>Tom Lane > "Simon Riggs" <[EMAIL PROTECTED]> writes: > > Could I suggest that your next step is to sync up with the work being > > done on tuning the DBT-3 query workload? As I'm sure you're aware, that > > is very similar to TPC-H workload, where most of the commercial RDBMS > > vendors utilise M

Re: [HACKERS] Progress Report on Materialized Views

2004-02-21 Thread Tom Lane
"Simon Riggs" <[EMAIL PROTECTED]> writes: > Could I suggest that your next step is to sync up with the work being > done on tuning the DBT-3 query workload? As I'm sure you're aware, that > is very similar to TPC-H workload, where most of the commercial RDBMS > vendors utilise Materialized Views to

Re: [HACKERS] Progress Report on Materialized Views

2004-02-21 Thread Simon Riggs
>Jonathan M. Gardner > I've implemented a pretty simple Materialized Views scheme. It's not > terribly complicated, and it works quite well. Exciting news - excellent work. Starting simple was the right approach! > There were some issues with the time-sensitivity of the queries. For > instance, o

[HACKERS] Progress Report on Materialized Views

2004-02-20 Thread Jonathan M. Gardner
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 I've implemented a pretty simple Materialized Views scheme. It's not terribly complicated, and it works quite well. This is what I do. 0) Initialize the materialized view environment. This will allow the system to track which tables and views are p