Re: [SQL] [noob] How to optimize this double pivot query?

2012-10-03 Thread Robert Buck
can also run this in a defined transaction boundary rather than using auto-commit. Right now I am thumbing through your email and trying it out. Bob On Wed, Oct 3, 2012 at 12:23 PM, Robert Buck wrote: > Thank you, Samuel. > > I am trying some of this out right now... > > This is gr

Re: [SQL] [noob] How to optimize this double pivot query?

2012-10-03 Thread Robert Buck
from > multiple tables into the same row. > > > > On Tue, Oct 2, 2012 at 12:57 PM, Samuel Gendler > wrote: > >> >> >> On Tue, Oct 2, 2012 at 2:45 AM, Robert Buck wrote: >> >>> Hi Samuel >>> >>> Thank you. This may be a bit

Re: [SQL] [noob] How to optimize this double pivot query?

2012-10-02 Thread Robert Buck
Hi Samuel Thank you. This may be a bit of a stretch for you, but would it be possible for me to peek at a sanitized version of your cross tab query, for a good example on how to do this for this noob? This will be pretty common in my case. The biggest tables will get much larger as they are r

Re: [SQL] [noob] How to optimize this double pivot query?

2012-10-01 Thread Robert Buck
sql-ow...@postgresql.org] *On Behalf Of *Robert Buck > *Sent:* Monday, October 01, 2012 8:47 PM > *To:* pgsql-sql@postgresql.org > *Subject:* [SQL] [noob] How to optimize this double pivot query? > > ** ** > > I have two tables that contain key-value data that I want to combine in &

[SQL] [noob] How to optimize this double pivot query?

2012-10-01 Thread Robert Buck
I have two tables that contain key-value data that I want to combine in pivoted form into a single result set. They are related to two separate tables. The tables are: test_results, test_variables, metric_def, metadata_key. The latter two tables are enum-like tables, basic descriptors of data stor