You need to write your application like a telephone directory. To get to the page with the "Smithson" entry on it, you do not read all the entries starting from the begining until you get there -- you turn directly to the page you want by doing a search.
Surely you have a unique key for the list? -- ˙uʍop-ǝpısdn sı ɹoʇıuoɯ ɹnoʎ 'sıɥʇ pɐǝɹ uɐɔ noʎ ɟı > -----Original Message----- > From: sqlite-users [mailto:sqlite-users-boun...@mailinglists.sqlite.org] > On Behalf Of Thomas Flemming > Sent: Wednesday, 24 May, 2017 02:09 > To: sqlite-users@mailinglists.sqlite.org > Subject: [sqlite] SQLite3.Step fast forward / skipping rows > > Hi SQLite Users, > > > I have a SELECT query, which returns some 100000 records and is displayed > in a > scrollable ListView. > > When the user scrolls down the list, each new row is loaded with > SQLite3.Step(). > > The problem is, when the user scrolls fast with the scroll-slider, lots of > rows are skipped, but SQLite still needs to load them all with > SQLite3.Step > until it reaches the row which is actually needed. This is very slow. > > Is there a way to skip all these unnecessary rows? For example going > directly > from row 1000 to row 100000 ? I tried SELECT ... OFFSET 100000 but this is > also very slow the more down we go. > > Thanks > Tom > > > -- > /**************************************** > ** Flemming Software Development CC > ** Thomas Flemming > ** PO Box 81244 > ** Windhoek, Namibia > ** http://www.quovadis-gps.com > ** mail t...@qvgps.com > ** +264 (0)81 3329923 > ** +49 (0)6182 8492599 > ***************************************/ > _______________________________________________ > sqlite-users mailing list > sqlite-users@mailinglists.sqlite.org > http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users _______________________________________________ sqlite-users mailing list sqlite-users@mailinglists.sqlite.org http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users
