Re: [SQL] problems with SELECT query results

2007-05-29 Thread Richard Broersma Jr
--- Joshua <[EMAIL PROTECTED]> wrote: > Hello, > > Thank you all for your assistance. I did end up finding NULL in the > 'onorder' column which should have been zero's this was in a test > table that happened to have some NULL in it for one reason or another > but I should not find this i

Re: [SQL] problems with SELECT query results

2007-05-29 Thread Joshua
Hello, Thank you all for your assistance. I did end up finding NULL in the 'onorder' column which should have been zero's this was in a test table that happened to have some NULL in it for one reason or another but I should not find this in the production version of the table. I also app

Re: [SQL] problems with SELECT query results

2007-05-29 Thread Richard Huxton
Joshua wrote: Hello, I am new to this list and have been working with PostgreSQL since January. Here is my problem, I hope someone here has some experience or can point me in the right direction. I am writing the following query for a C# program I am writing: SELECT 'PV.LINEITEM:' || partnu

[SQL] problems with SELECT query results

2007-05-29 Thread Joshua
Hello, I am new to this list and have been working with PostgreSQL since January. Here is my problem, I hope someone here has some experience or can point me in the right direction. I am writing the following query for a C# program I am writing: SELECT 'PV.LINEITEM:' || partnum || ',' || rou

Re: [SQL] Recursively traversing a partially ordered set

2007-05-29 Thread Gregory Stark
"Jason Grout" <[EMAIL PROTECTED]> writes: > 2. Is there a big difference in speed between using an array versus > using a SELECT in a WHERE condition? In other words, which is generally > going to be faster: > > SELECT * from table where field IN (some function returning a SETOF); > > or > > SEL

[SQL] Recursively traversing a partially ordered set

2007-05-29 Thread Jason Grout
I have a performance related question (and a few code snippets to contribute to the list archives). I am trying to write a function that recursively walks a hierarchal structure to find all ancestors or descendants of a particular item or list of items. My relationships are set up with the table

Re: [SQL] aggregate query

2007-05-29 Thread Raj A
Thank you guys! I'm currently migrating an Oracle database to postgres and have created tables using the scripts that were readily available. Glad I can now improve this old system. On 29/05/07, Gregory Stark <[EMAIL PROTECTED]> wrote: "Andrew Kroeger" <[EMAIL PROTECTED]> writes: > Raj A wrote

Re: [SQL] aggregate query

2007-05-29 Thread Gregory Stark
"Andrew Kroeger" <[EMAIL PROTECTED]> writes: > Raj A wrote: >> I have a table >> >> CREATE TABLE survey_load >> ( >> meter_id character(5) NOT NULL, >> number_of_bays integer NOT NULL, >> bay_1_use integer, >> bay_2_use integer, >> bay_3_use integer, >> bay_4_use integer, >> bay_5_use inte

Re: [SQL] aggregate query

2007-05-29 Thread Andrew Kroeger
Raj A wrote: > I have a table > > CREATE TABLE survey_load > ( > meter_id character(5) NOT NULL, > number_of_bays integer NOT NULL, > bay_1_use integer, > bay_2_use integer, > bay_3_use integer, > bay_4_use integer, > bay_5_use integer, > date date NOT NULL, > inspection_id integer NOT NU