Jesse Eichar ha scritto: > I had thought that getCount was supposed to return -1 if it can't > fullfull the request efficiently... Or one of the methods was > supposed to. I wonder if it is a case where uDig is using the wrong > method or if Oracle getCount() is implemented wrong.
None of the above I guess. "select count(*) from xxx" is the efficient way to count stuff in a dbms table, but it's by all means not free. No dbms I know of keeps the count up to date in a separate table, so it actually has to scan the primary key index to know how many rows are there. Cheers Andrea ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Geotools-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/geotools-devel
