Can I delete a entire grouping of rows based off a list of ids?

Posted on 2014-09-21
Last Modified: 2014-09-26
I'm passing a data value of .... id=1,2,4 to my coldfusion Ajax/cfc function based off a checkboxes marked.

My test data is something like this...

id    cat_id   date
1      1          10-10-1
2      1          10-10-1
3      2          10-10-1
4      1          10-10-1
5      1          10-10-2

I would like it so each time I select the checkboxes that the rows then delete that are not listed in my valuelist i'm passing grouped by date.  I figured a long drawn out way but is there a more streamlined way without writing a few sql statements?

id number 3 should be deleted from the above list so my dataset would then be....

id    cat_id   date
1      1          10-10-1
2      1          10-10-1
4      1          10-10-1
5      1          10-10-2

Thanks for any insight!
Question by:brihol44
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LVL 143

Expert Comment

by:Guy Hengel [angelIII / a3]
ID: 40336036
CF surely has some way to do this "easily", in SQL I would use

WHERE yourfield NOT IN ( .... )

using the function described in this article :
LVL 16

Expert Comment

by:Gurpreet Singh Randhawa
ID: 40336624
well in cf:

The way you can delete is like this:

<cfquery name="delrecords">
selete from mytable where id in (<cfqueryparam cf_sql_type="cf_sql_numeric" value="#id#" list="yes">)

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the above cfquerypatam list attribute will make you are passing a numeric list by comma separator.

check the Type Syntax in adobe Livedocs while using


Author Comment

ID: 40336674
Thx! I think that would work for other cases but I'm wanting to only check against existing ids that are passed and delete the others that don't exist in the passed list but grouped by the date of those values.. So id=1,2,4 are passed but I'd 3 was not. Ids 1.2.3,4 are all apart of the same date of groupings. I thought maybe there was a sub query that could do it in one wiry statement but I'm not sure how to.
LVL 52

Accepted Solution

_agx_ earned 500 total points
ID: 40337269

> So id=1,2,4 are passed but I'd 3 was not. Ids 1.2.3,4 are all apart of the same date of groupings

There's 2 options:

1. Simplest is to figure out which boxes are NOT checked with javascript. Then pass those id's to the action page, ie  idsToDelete=3

WHERE   YouIDColumn IN 
              <cfqueryparam value="#FORM.idsToDelete#" cfsqltype="cf_sql_integer" list="true">

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2. Otherwise, you'd need to tell the db what you mean by "groupings". For example, if you want to delete all records for a specific date - ONLY - then you need to pass a date value - along with your list of id's.


Then use the date value in your query along with the as Angel described. I don't know the data types of your db columns, so adjust the cfsqltypes as needed.

         Remove all records for the specified date that are NOT in list.
WHERE   YourDateColumn = <cfqueryparam value="#FORM.dateValue#" cfsqltype="cf_sql_date">
AND        YouIDColumn NOT IN 
              <cfqueryparam value="" cfsqltype="cf_sql_integer" list="true">

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That said ... this UI sounds a little confusing. Typically a UI lets users check off what *should* be deleted, rather than "delete everything that is NOT checked"
LVL 16

Expert Comment

by:Gurpreet Singh Randhawa
ID: 40337284
before you query, you can just the following function of list


you can get the one which fits your needs and then you can store that value in a variable and paass that variable to the database

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