May be, first want to try with the same impl as any other operator like =. If successful, then try providing some mech which make use of indexes where they are actually not allowed for.
If u see one of my earlier post, related to pread,Made use of custom pread to avoid disk access, now in 3.5 it is a default feature. Just want to experiment. regards ragha ****************************************************************************************** This email and its attachments contain confidential information from HUAWEI, which is intended only for the person or entity whose address is listed above. Any use of the information contained herein in any way (including, but not limited to, total or partial disclosure, reproduction, or dissemination) by persons other than the intended recipient(s) is prohibited. If you receive this e-mail in error, please notify the sender by phone or email immediately and delete it! ***************************************************************************************** ----- Original Message ----- From: [EMAIL PROTECTED] Date: Friday, September 7, 2007 5:56 pm Subject: Re: [sqlite] New Operator Support > It still might be useful to explain what the ~ should do. > > RBS > > > Hi, > > > > Its to get involved in the development of sqlite.If possible > > move to contrib section.a dream. > > > > regards > > ragha > > > > > ******************************************************************************************> > This email and its attachments contain confidential information from > > HUAWEI, which is intended only for the person or entity whose > address is > > listed above. Any use of the information contained herein in any way > > (including, but not limited to, total or partial disclosure, > > reproduction, or dissemination) by persons other than the intended > > recipient(s) is prohibited. If you receive this e-mail in error, > please> notify the sender by phone or email immediately and delete it! > > > *****************************************************************************************> > > ----- Original Message ----- > > From: [EMAIL PROTECTED] > > Date: Friday, September 7, 2007 5:26 pm > > Subject: Re: [sqlite] New Operator Support > > > >> Couldn't tell you as I don't know C, but what > >> will the ~ do? Can't the same be done with the > >> available operators? > >> > >> RBS > >> > >> > > >> > Hi, > >> > > >> > Just to get more hands on Sqlite i want to > >> > write a custom operator. Pls suggest how i can do it. > >> > > >> > For example > >> > select * from tablex where column1 ~ '123'; > >> > > >> > I want implement it similar to '='. Can anyone help me > >> > what all steps,files i need to change? > >> > > >> > regards > >> > ragha > >> > > >> > > >> > > >> > ******************************************************************************************>>> > This email and its attachments contain confidential information from > >> > HUAWEI, which is intended only for the person or entity whose > >> address is > >> > listed above. Any use of the information contained herein in > any way > >> > (including, but not limited to, total or partial disclosure, > >> > reproduction, or dissemination) by persons other than the > intended>> > recipient(s) is prohibited. If you receive this e- > mail in error, > >> please> notify the sender by phone or email immediately and > delete it! > >> > > >> > *****************************************************************************************>>> > > ----------------------------------------------------------------- > >> ------------ > >> > To unsubscribe, send email to [EMAIL PROTECTED] > >> > -------------------------------------------------------------- > --- > >> ------------ > >> > > >> > > >> > > >> > >> > >> > >> > >> ---------------------------------------------------------------- > --- > >> ---------- > >> To unsubscribe, send email to [EMAIL PROTECTED] > >> ---------------------------------------------------------------- > --- > >> ---------- > >> > >> > > > > ----------------------------------------------------------------- > ------------ > > To unsubscribe, send email to [EMAIL PROTECTED] > > ----------------------------------------------------------------- > ------------ > > > > > > > > > > > ------------------------------------------------------------------- > ---------- > To unsubscribe, send email to [EMAIL PROTECTED] > ------------------------------------------------------------------- > ---------- > > ----------------------------------------------------------------------------- To unsubscribe, send email to [EMAIL PROTECTED] -----------------------------------------------------------------------------
