Re: range vs greater than/less than
This WebDNA talk-list message is from 2003
It keeps the original formatting.
numero = 48356
interpreted = N
texte = oh yeah - i completely re-wrote this to uses ranges in the end cause icouldn't get it to work. i later discovered that the way webcat doescomparisons using gr and le is completely the opposite of that which youwould expect.----- Original Message -----From: Brian Fries
To: WebDNA Talk Sent: Wednesday, March 05, 2003 8:22 PMSubject: Re: range vs greater than/less than> You're missing a few ampersands between your search terms at the end...>> - brian>> On Tuesday, March 4, 2003, at 02:33 PM, Andrew Simpson wrote:>> > Do you have to code this so that you use the field name in one> > instance and> > group name in the other cause this isn't working either:> >> > db=/db/> > products.db&eqVISIBLEdatarq=T&GROUP1field=prod_brightness&GROUP1type=> > number&GROUP2field=prod_weight&GROUP2type=number&GROUP3field=price&GROU> > P3typ> > e=number&geGROUP1datarq=5800geGROUP2datarq=1.5leGROUP1datarq=10000leGRO> > UP2da> > tarq=8> >> > ????> >> > ----- Original Message -----> > From: Brian Fries > > To: WebDNA Talk > > Sent: Wednesday, March 05, 2003 10:55 AM> > Subject: Re: range vs greater than/less than> >> >> >> This sounds like a job for the Group Field Workaround! Defining a> >> groupfield that contains a field you're already searching lets you> >> search that field again...> >>> >> [search db=...&group1field=ABC&leABCdata=[max]&geGROUP1data=[min]...]> >>> >> It's kinda ugly and tricker to write in a generic fashion, but it> >> works.> >>> >> - brian> >>> >> On Tuesday, March 4, 2003, at 01:46 PM, Andrew Simpson wrote:> >>> >>> This is just a comment really on the way webcat does something that i> >>> don't> >>> like.> >>>> >>> I have just finished writing a search page that lets you select from> >>> drop> >>> down lists to refine your search. The company sells projectors. The> >>> search> >>> criteria are> >>>> >>> min / max price> >>> min / max resolution> >>> min / max weight> >>> min / max lumens (brightness)> >>>> >>> with a drop down for both min and max values for each item.> >>>> >>> You select your mins and maxiums and hopefully you get a set of> >>> products> >>> returned that are within the range.> >>>> >>> So I wrote some nice generic code that should handle all> >>> eventuallities:> >>>> >>> [formvariables name=min&exact=false]> >>> [showif [value]!#]> >>> [text]search_string=[search_string]ge[getchars> >>> start=5][name][/getchars]data=[value]&[getchars> >>> start=5][name][/getchars]type=num&[/text]> >>> [/showif]> >>> [/formvariables]> >>>> >>> [formvariables name=max&exact=false]> >>> [showif [value]!#]> >>> [text]search_string=[search_string]le[getchars> >>> start=5][name][/getchars]data=[value]&[getchars> >>> start=5][name][/getchars]type=num&[/text]> >>> [/showif]> >>> [/formvariables]> >>>> >>> So depending on how many options the user chooses, the search_string> >>> slowly> >>> gets built up to the point where you run it and the found items loop> >>> does> >>> the rest. It works great if you only select a min for one field or a> >>> max for> >>> one field> >>>> >>> BUT IT DOESN'T WORK IF YOU SELECT BOTH MIN AND MAX FROM ONE FIELD!> >>>> >>> Because of the way webcat works with Ranges when comparing multiple> >>> values> >>> on the same field of the database, this code is toast and now i have> >>> to> >>> write some not so nice generic code to handle the same search job.> >>>> >>> Argh!> >>>> >>> okay - sorry, i didn't get much sleep last night.> >> -- Brian Fries, BrainScan Software --> >> http://www.brainscansoftware.com> >> --> >>> >> -- Brian Fries, BrainScan Software -- http://www.brainscansoftware.com> -->>> -------------------------------------------------------------> This message is sent to you because you are subscribed to> the mailing list .> To unsubscribe, E-mail to: > To switch to the DIGEST mode, E-mail to> Web Archive of this list is at: http://webdna.smithmicro.com/-------------------------------------------------------------This message is sent to you because you are subscribed to the mailing list .To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
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oh yeah - i completely re-wrote this to uses ranges in the end cause icouldn't get it to work. i later discovered that the way webcat doescomparisons using gr and le is completely the opposite of that which youwould expect.----- Original Message -----From: Brian Fries To: WebDNA Talk Sent: Wednesday, March 05, 2003 8:22 PMSubject: Re: range vs greater than/less than> You're missing a few ampersands between your search terms at the end...>> - brian>> On Tuesday, March 4, 2003, at 02:33 PM, Andrew Simpson wrote:>> > Do you have to code this so that you use the field name in one> > instance and> > group name in the other cause this isn't working either:> >> > db=/db/> > products.db&eqVISIBLEdatarq=T&GROUP1field=prod_brightness&GROUP1type=> > number&GROUP2field=prod_weight&GROUP2type=number&GROUP3field=price&GROU> > P3typ> > e=number&geGROUP1datarq=5800geGROUP2datarq=1.5leGROUP1datarq=10000leGRO> > UP2da> > tarq=8> >> > ????> >> > ----- Original Message -----> > From: Brian Fries > > To: WebDNA Talk > > Sent: Wednesday, March 05, 2003 10:55 AM> > Subject: Re: range vs greater than/less than> >> >> >> This sounds like a job for the Group Field Workaround! Defining a> >> groupfield that contains a field you're already searching lets you> >> search that field again...> >>> >> [search db=...&group1field=ABC&leABCdata=[max]&geGROUP1data=[min]...]> >>> >> It's kinda ugly and tricker to write in a generic fashion, but it> >> works.> >>> >> - brian> >>> >> On Tuesday, March 4, 2003, at 01:46 PM, Andrew Simpson wrote:> >>> >>> This is just a comment really on the way webcat does something that i> >>> don't> >>> like.> >>>> >>> I have just finished writing a search page that lets you select from> >>> drop> >>> down lists to refine your search. The company sells projectors. The> >>> search> >>> criteria are> >>>> >>> min / max price> >>> min / max resolution> >>> min / max weight> >>> min / max lumens (brightness)> >>>> >>> with a drop down for both min and max values for each item.> >>>> >>> You select your mins and maxiums and hopefully you get a set of> >>> products> >>> returned that are within the range.> >>>> >>> So I wrote some nice generic code that should handle all> >>> eventuallities:> >>>> >>> [formvariables name=min&exact=false]> >>> [showif [value]!#]> >>> [text]search_string=[search_string]ge[getchars> >>> start=5][name][/getchars]data=[value]&[getchars> >>> start=5][name][/getchars]type=num&[/text]> >>> [/showif]> >>> [/formvariables]> >>>> >>> [formvariables name=max&exact=false]> >>> [showif [value]!#]> >>> [text]search_string=[search_string]le[getchars> >>> start=5][name][/getchars]data=[value]&[getchars> >>> start=5][name][/getchars]type=num&[/text]> >>> [/showif]> >>> [/formvariables]> >>>> >>> So depending on how many options the user chooses, the search_string> >>> slowly> >>> gets built up to the point where you run it and the found items loop> >>> does> >>> the rest. It works great if you only select a min for one field or a> >>> max for> >>> one field> >>>> >>> BUT IT DOESN'T WORK IF YOU SELECT BOTH MIN AND MAX FROM ONE FIELD!> >>>> >>> Because of the way webcat works with Ranges when comparing multiple> >>> values> >>> on the same field of the database, this code is toast and now i have> >>> to> >>> write some not so nice generic code to handle the same search job.> >>>> >>> Argh!> >>>> >>> okay - sorry, i didn't get much sleep last night.> >> -- Brian Fries, BrainScan Software --> >> http://www.brainscansoftware.com> >> --> >>> >> -- Brian Fries, BrainScan Software -- http://www.brainscansoftware.com> -->>> -------------------------------------------------------------> This message is sent to you because you are subscribed to> the mailing list .> To unsubscribe, E-mail to: > To switch to the DIGEST mode, E-mail to> Web Archive of this list is at: http://webdna.smithmicro.com/-------------------------------------------------------------This message is sent to you because you are subscribed to the mailing list .To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
Andrew Simpson
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