Thanks, did as you said and found a mistake I made. It works perfectly
now!

On Jan 29, 4:14 pm, Kostya Vasilyev <[email protected]> wrote:
> Your query looks ok to me.
>
> Check how you insert data, and make sure that the value that's stored in
> the database is what you expect.
>
> Oh, and before you call "recentC.getLong(recentC.getColumnIndexOrThrow",
> make sure you've moved the cursor to the first row.
>
> -- Kostya
>
> 29.01.2011 18:02, André пишет:
>
>
>
>
>
>
>
>
>
> > Thanks for quick answers guys!
>
> > It works very well with getCount(). Do you have any suggestions about
> > the query thou? Because it still returns 0 on get count when I try to
> > look for the already existing entry.
>
> > mCursor = mDb.query(true, RECENT_TABLE, new String[] {RECENT_ROWID,
> > RECENT_NAME, RECENT_FILE, RECENT_TIME}, RECENT_FILE + " = ?", new
> > String[]{file},  null, null, null, null);
>
> > Any suggestions there?
>
> > On Jan 29, 3:50 pm, kernelpanic<[email protected]>  wrote:
> >> I just went through this myself, but my logic is inverted to yours, so
> >> ignore my previous
>
> >> probably better to use
>
> >> if (recentC.getCount() != 0) {
>
> >> On Jan 29, 8:41 am, André<[email protected]>  wrote:
>
> >>> This is doing my head in.
> >>> I have a database where there is currently one entry. What I want to
> >>> do is to check if this entry exists. If it does I want to update it,
> >>> if not create a new one.
> >>> recentC = db.fetchExisting(file);
> >>> if (recentC != null){
> >>>          long rwId =
> >>> recentC.getLong(recentC.getColumnIndexOrThrow(SilverDbManager.RECENT_ROWID)
> >>>  );
> >>>          db.updateRecent(rwId, name, file, time);} else {
> >>>          db.createRecent(name, file, time);
> >>> }
> >>> public Cursor fetchExisting(String file) throws SQLException {
> >>>          Cursor mCursor = null;
> >>>          mCursor = mDb.query(true, RECENT_TABLE, new String[]
> >>> {RECENT_ROWID, RECENT_NAME, RECENT_FILE, RECENT_TIME}, RECENT_FILE + "
> >>> = ?", new String[]{file},  null, null, null, null);
> >>>          return mCursor;
> >>> }
> >>> I know that recentC != null is probably wrong but I dont know what to
> >>> change it to. And its some problem with the query because it can't
> >>> find the entry I already have there when I search for it.
> >>> Any suggestions?
> >>> //André
>
> --
> Kostya Vasilyev -- WiFi Manager + pretty widget 
> --http://kmansoft.wordpress.com

-- 
You received this message because you are subscribed to the Google
Groups "Android Developers" group.
To post to this group, send email to [email protected]
To unsubscribe from this group, send email to
[email protected]
For more options, visit this group at
http://groups.google.com/group/android-developers?hl=en

Reply via email to