Re: [GENERAL] Strange discrepancy in query performance...

2007-10-02 Thread Jason L. Buberel
I agree that this is a bug in JasperReports. I've been stepping throgh their code to determine where the paramter type is set to 'java.lang.String', but have not yet figured out how their Java API will allow me to override that with 'java.lang.Integer' or something more appropriate. If I figu

Re: [GENERAL] Strange discrepancy in query performance...

2007-10-02 Thread Tom Lane
"Jason L. Buberel" <[EMAIL PROTECTED]> writes: > For reference, when using JasperReports .jrxml files as the basis for > the query, I only had to do to the following to 'force' postgres to > treat the jasper report parameter as a number and not text, thereby > allowing the correct index to be us

Re: [GENERAL] Strange discrepancy in query performance...

2007-10-01 Thread Jason L. Buberel
Tom-right-as-usual: Yep - you were right about the query plan for the prepared statement (a sequential scan of the table) differed a bit from the directly-executed version :) For reference, when using JasperReports .jrxml files as the basis for the query, I only had to do to the following to

Re: [GENERAL] Strange discrepancy in query performance...

2007-10-01 Thread Tom Lane
"Jason L. Buberel" <[EMAIL PROTECTED]> writes: > In my syslog output, I see entries indicating that the > JDBC-driver-originated query on a table named 'city_summary' are taking > upwards of 300 seconds: > Oct 1 18:27:47 srv3 postgres-8.2[1625]: [12-1] > LOG: duration: 307077.037 ms execute S

[GENERAL] Strange discrepancy in query performance...

2007-10-01 Thread Jason L. Buberel
I'm hoping that someone on the list can help me understand an apparent discrepancy in the performance information that I'm collecting on a particularly troublesome query. The configuration: pg-8.2.4 on RHEL4. log_min_duration_statement = 1m. In my syslog output, I see entries indicating that t