From: [EMAIL PROTECTED]
Reply-To: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Subject: Re: [ cf-dev ] loop the loop loopiness
Date: Fri, 16 Jul 2004 11:57:28 +0100
that explains a lot. one way you could get round this withouth changing
your tables would be to use a de-duplicate function on the list. I think
cflib.org should have something to do that.
but ideally you want to do this properly, with linker tables for a
many-to-many relationship between colours and items, and again between
sizes and items:
tblItems
ID
Name
Description
etc
tblColours
ID
Colour
tblSizes
ID
Size
tblItem_Colours
ID
itemID
ColourID
tblItem_Sizes
ID
itemID
SizeID
"Paul Swingewood"
<[EMAIL PROTECTED] To:
[EMAIL PROTECTED]
tmail.com> cc:
Subject: Re: [ cf-dev
] loop the loop loopiness
16/07/2004 11:54
Please respond to
dev
Tblitems....
No I cheated and did this.
NAME COLOUR SIZE
Shoe1 - red,white,blue - 1,2,3,4,5,6,7,8
Shoe2 - Orange,purple - 5,7,9,10,11
etc etc
>From: [EMAIL PROTECTED]
>Reply-To: <[EMAIL PROTECTED]>
>To: <[EMAIL PROTECTED]>
>Subject: Re: [ cf-dev ] loop the loop loopiness
>Date: Fri, 16 Jul 2004 11:50:48 +0100
>
>
>Paul, does tblItems have a seperate row for each colour, and each size?
>
>e.g.
>Shoe 1, Red, size 3
>Shoe 1, Red, size 4
>Shoe 1, Red, size 5
>Shoe 1, Black, size 3
>Shoe 2, Black, size 3
>Shoe 2, Black, size 3
>
>etc etc?
>
>
>
>
> "Paul Swingewood"
> <[EMAIL PROTECTED] To:
>[EMAIL PROTECTED]
> tmail.com> cc:
> Subject: Re: [
cf-dev
]
>loop the loop loopiness
> 16/07/2004 11:47
> Please respond to
> dev
>
>
>
>
>
>The query is simple enough really .... (I would have thought this was
all
>ok
>....)
>I still don't see how the select list gets appended to?
>
><CFQUERY NAME="GetCartItems" datasource="#application.dsn#">
> SELECT DISTINCT ItemIDPK, PartNum, ItemName,
>ItemCost,
>Quantity,
> tblitems.itemsize AS ItemsItemSize,
> tblitems.itemcolour AS ItemsItemColour,
> tblCartItems.ItemSize AS CartItemsItemSize,
> tblCartItems.ItemColour AS CartItemsItemColour
> FROM tblItems, tblCartItems
> WHERE itemID = ItemIDPK
> AND CartIDPK = '#Cookie.CartID#'
> </cfquery>
>
>
> >From: Steve Powell <[EMAIL PROTECTED]>
> >Reply-To: <[EMAIL PROTECTED]>
> >To: <[EMAIL PROTECTED]>
> >CC: Steve Powell <[EMAIL PROTECTED]>
> >Subject: Re: [ cf-dev ] loop the loop loopiness
> >Date: Fri, 16 Jul 2004 10:45:16 GMT
> >
> >Looks to me like you are getting a cross product effect in one of your
> >JOINS in a query and getting duplicate rows.
> >
> >Look at the query as the cause of the problem. Try a DISTINCT or
altering
> >the JOIN criteria
> >
> >regards
> >
> >Steve
> >
> >
> >
> >
> >
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