Column Index not finding a column that definitely exists

try {
    Cursor c = db.rawQuery("select time from updateTimes where开发者_如何学编程 type = 'root'", null);
    long time = c.getLong(c.getColumnIndex("time"));
} catch (CursorIndexOutOfBoundsException e) {

}

This exception gets thrown, even though the column "time" definitely exists, the the same query returns data as expected when using the sqlite3 client. Any ideas?

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The cursor is not at a valid index. You need to move it first:

if (c.moveToNext()) {
    time = c.getLong(c.getColumnIndex("time"));
}