[sr-dev] changing behavior in db_text

Hi All, db_text modules manages the tables data in shm_mem db_text module uses pkg_mem to store query results which leads to some problems. when we have large text files with a lot of rows (location, active_watchers, presentity), the startup procedure fetches all the records, which makes db_text copy all records from shm_mem to pkg_mem, leading to memory failures. i now have a patch that changes this behaviour. it creates temp tables in shm_mem with the results if implements fetch_result so that startup procedures that fetch all rows can safely run without memory issues. if anyone has anything against, please reply. i would like to get this merged before 5.0 Thanks