Question

CF Oracle date woes

Asked by: kkhipple

I am creating an event calendar where users will be able to enter in an event title, comments and then that events start and end date/time.

I need help creating a form that accepts the following submission information:
title                     VARCHAR
comments           VARCHAR
dt_start               DATE
dt_end                DATE


When the form submits I'd like it to check if there is already an event within dt_start and dt_end. If so, do not submit it and give the user an error.   If not, then insert into the database.

How do I do this?   I'm completely lost and would appreciate a simple walkthrough.  Anyone?

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Asked On
2004-09-05 at 06:58:09ID21119633
Tags

oracle

,

date

Topic

ColdFusion Application Server

Participating Experts
2
Points
250
Comments
10

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Answers

 

by: pinaldavePosted on 2004-09-05 at 08:45:47ID: 11984595



<form action="action page" post="post">
<input type="text" name="" value="">
<input type="text" name="" value="">
<input type="text" name="" value="">
<input type="text" name="" value="">
<input type="submit" type="submit" value="submit">
</form>

now on your action page
<cfquery name="select_q" datasource="dsn">
select * from your table where dt_start <= #form.dt_start# and dt_end >= #form.dt_end#
</cfquery>

<cfif select_q.recordcount > 0 >
you can not insert your query
</cfelse>
<cfquery name-"insert_q" datasrouce="dsn">
your insert query
</cfquery>

 

by: hartPosted on 2004-09-06 at 02:21:09ID: 11988209

some corrections pinal

he wants to check events in between the two dates...

and why use select * in a query where u r checking count...

Select * should be avoided if possible...

<cfquery name="Qry_CheckEvent" datasource="dsn">
    select count(title) from your table
    where dt_start >= <CFQUERYPARAM CFSQLTYPE="CF_SQL_DATE" VALUE="#form.dt_start#"> and dt_end <= <CFQUERYPARAM CFSQLTYPE="CF_SQL_DATE" VALUE="#form.dt_end#">
</cfquery>

now this will check if theres any event that is scheduled between the start and end date..
but if u r checking for events that just start between these dates then change the query a little...

<cfquery name="Qry_CheckEvent" datasource="dsn">
    select count(title) from your table
    where dt_start >= <CFQUERYPARAM CFSQLTYPE="CF_SQL_DATE" VALUE="#form.dt_start#"> and dt_start <= <CFQUERYPARAM CFSQLTYPE="CF_SQL_DATE" VALUE="#form.dt_end#">
</cfquery>



Regards
Hart

 

by: kkhipplePosted on 2004-09-06 at 07:48:42ID: 11990070

how do i also verify that they are entering the right date/time format?

 

by: hartPosted on 2004-09-07 at 02:31:24ID: 11994977

u can do it when the form is submitted...

you can use javascript to check if the data entered is proper or not...

One of the way is give the calender pop ups...
Other way would be to do a server side check and see if the data that has been sent in is as per the format....

Also you could give drop downs for dd mm and yyyy in the form which will make the user only select an appropriate date

Regards
Hart

 

by: kkhipplePosted on 2004-09-07 at 05:54:32ID: 11996227

how do i have coldfusion conform the date entry into whats allowed on oracle db

 

by: pinaldavePosted on 2004-09-07 at 08:51:43ID: 11998085

thanks Hart for correcting me.
Regards,
---Pinal

 

by: kkhipplePosted on 2004-09-07 at 13:47:11ID: 12000821

here's where im having my problem....

here is the code when the submit happens:

<CFQUERY DATASOURCE="lieu" NAME="getMaxId">
      SELECT max(id) as max_id FROM lieu_events
</CFQUERY>

<CFSET event_id = getMaxId.max_id + 1>
<CFSET dt_start = 'DATEFORMAT(zDate, "mm/dd/yyyy") TIMEFORMAT(zTime, "hh:mm:ss")'>
<CFSET dt_end = 'DATEFORMAT(zDate, "mm/dd/yyyy") TIMEFORMAT(zTime, "hh:mm:ss")'>

<CFOUTPUT>#event_id#</CFOUTPUT>
<CFOUTPUT>#dt_start#</CFOUTPUT>
<CFOUTPUT>#dt_end#</CFOUTPUT>

<CFQUERY DATASOURCE="lieu" NAME="addEvent">
      INSERT INTO lieu_events
      VALUES ('#event_id#','#SESSION.lieu_user_name#',
            <CFQUERYPARAM VALUE = "dt_start" CFSQLType = "CF_SQL_DATE">,
            <CFQUERYPARAM VALUE = "dt_end" CFSQLType = "CF_SQL_DATE">,
            '#FORM.title#', '#FORM.comment#', 'PENDING')
</CFQUERY>



However, this produces the following error:

Error Occurred While Processing Request
Error Diagnostic Information
CFQUERYPARAM data conversion error


There is a data conversion error for CFQUERYPARAM #1.

SQL = "INSERT INTO lieu_events VALUES ('8','khippl-k', _CF_:?_, _CF_:?_, '12312', 'asdfasdf', 'PENDING')"

Query Parameter Value(s) -

Parameter #1 = dt_start

Parameter #2 = dt_end
 

Anyone can point out what's wrong with code?

 

by: kkhipplePosted on 2004-09-07 at 13:58:37ID: 12000925

figured it out... for those that similiar problems....

<CFPARAM name="dtstamp" default="#dateformat(zDate,'dd-mmm-yy')# #timeformat(zTime,'HH:mm:ss')#">

<CFOUTPUT>#event_id#</CFOUTPUT>
<CFOUTPUT>#dt_start#</CFOUTPUT>
<CFOUTPUT>#dt_end#</CFOUTPUT>

<CFQUERY DATASOURCE="lieu" NAME="addEvent">
      INSERT INTO lieu_events
      VALUES ('#event_id#','#SESSION.lieu_employee_id#',
            to_date('#dtstamp#','YYYY-MM-DD HH24:MI:SS'),
            to_date('#dtstamp#','YYYY-MM-DD HH24:MI:SS'),
            '#FORM.title#', '#FORM.comment#', 'PENDING')
</CFQUERY>


this atleast does the insert. now im trying to figure out how to add a duration (FORM.duration) to the start time.

 

by: kkhipplePosted on 2004-09-07 at 14:39:44ID: 12001265

finally after some date insert and retrieval issues... here's what works for me. thanks pinaldave and hart.  sometimes we all just need a little direction.....  here's another snippet, with similiar issues.


<!---- create the start and end date/time---->
<CFPARAM name="dt_start" default="#dateformat(zDate,'YYYY-DD-MM')# #timeformat(t_start,'HH:mm:ss')#">
<CFPARAM name="dt_end" default="#dateformat(zDate,'YYYY-DD-MM')# #timeformat(t_end,'HH:mm:ss')#">

<!--- insert into db --->
<CFQUERY DATASOURCE="lieu" NAME="addEvent">
      INSERT INTO lieu_events
      VALUES ('#event_id#','#SESSION.lieu_employee_id#',
            to_date('#dt_start#','YYYY-DD-MM HH24:MI:SS'),
            to_date('#dt_end#','YYYY-DD-MM HH24:MI:SS'),
            '#FORM.title#', '#FORM.comment#', 'PENDING')
</CFQUERY>

 

by: pinaldavePosted on 2004-09-07 at 14:40:35ID: 12001271

glad that it worked for you.
Good day,
Regards,
---Pinal

20120131-EE-VQP-002

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