Question

update query - date/time

Asked by: aprilmfara

when i run the insert query, it inserts null if there is no value selected for the field:

LeaperJPD's example below:
INSERT INTO table (<cfif NOT form.myDate IS "">, somedate</cfif> ) VALUES (<cfif NOT form.myDate IS "">, somedate</cfif> )

I do not understand how to make the Update statement function in the same way.... as in, if the user edits the form and still does not select a value i need the update statement to send a null value also.

Thanks in advance

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Asked On
2009-03-06 at 12:52:26ID24207138
Tags

sql

Topic

ColdFusion Application Server

Participating Experts
3
Points
500
Comments
10

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Answers

 

by: erikTsomikPosted on 2009-03-06 at 12:58:02ID: 23820966

can you update to 0 rather than null

Or try this
UPDATE TAble SET Name = NULL

 

by: Jones911Posted on 2009-03-06 at 12:58:13ID: 23820973

<cfif NOT form.myDate IS "" >
   <cfquery ......

      INSERT
      INTO table     (somedate)
      VALUES          (<cfqueryparam cfsqltype="cf_sql_date" value="#form.myDate#" )

   </cfquery>
</cfif>

 

by: Jones911Posted on 2009-03-06 at 12:59:16ID: 23820983

And does the DB allow nulls for the column?

 

by: erikTsomikPosted on 2009-03-06 at 12:59:36ID: 23820990

what SQl are you using

 

by: Jones911Posted on 2009-03-06 at 13:00:59ID: 23821000

SQL is SQL I think eric means what DB ie MsSQL, MySQL ect.

 

by: erikTsomikPosted on 2009-03-06 at 13:02:27ID: 23821009

SQL 2000 or SQL 2005
Thank you for correction

 

by: _agx_Posted on 2009-03-06 at 13:07:29ID: 23821050


UPDATE  table
SET  someDate =
<cfqueryparam value="#form.dateField#"
cfsqltype="cf_sql_timestamp"
null="#not len(trim(form.dateField))#">

WHERE  .... some condition here ...

 

by: aprilmfaraPosted on 2009-03-06 at 13:18:17ID: 23821145

erikt: sql2000

Jones911: yes, db allows nulls.  

I use this for the insert statement and it inserts a null if there is no value selected:
INSERT INTO table (<cfif NOT form.myDate IS "">, somedate</cfif> ) VALUES (<cfif NOT form.myDate IS "">, somedate</cfif> )

but i do not know how to set up the update statment to act in the same way

currently, the insert statement functions perfectly and the update statement inserts 1/1/1900

aqx: i am about to try your example

 

by: aprilmfaraPosted on 2009-03-06 at 13:21:59ID: 31555085

the example functions perfectly, gave me desired results -- thank you, aprilmfara

 

by: aprilmfaraPosted on 2009-03-06 at 13:23:29ID: 23821194

you guys all rock with your quick responses, thanks so much for the assistance.

20120131-EE-VQP-002

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