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Microsoft Access 2010 Working with Dates Too Complex error

Posted on 2013-12-13
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Last Modified: 2013-12-13
I have a tbltimesheet. It has starttime and stoptime my query calculates the difference between starttime and stoptime. I am trying to limit the data to dates between two certain start dates 10/1/2013 and 10/30/2013 for example. I change the starttime to a datevalue([starttime]) There may be nulls in the query so I filtered them out with not null. Everytime I try to limit my results I get a too complex error message. It works fine for all of the records. Thanks for the help.
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Question by:marlind605
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9 Comments
 
LVL 120

Expert Comment

by:Rey Obrero (Capricorn1)
ID: 39717022
better if you upload a db with that table.

have you done a compact and repair?
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LVL 47

Expert Comment

by:Dale Fye (Access MVP)
ID: 39717028
Can you post the syntax of the query?  It would help in our efforts to identify why Access thinks the query is too complex.  Although I regularly use the DateValue() function, I prefer to work with raw dates whenever possible.  What I generally do to query date/time values is use a syntax that looks like:

WHERE [StartTime] >= #10/1/2013# AND [StartTime] < #1/11/2013#

It is imperative that when filtering fields that contain both date and time values, that you don't inadvertently filter out some records for the last day in the period by using a syntax that lookslike:

WHERE [StartTime] >= #10/1/2013# AND [StartTime] <= #10/30/2013#

This would exclude any records where the [StartTime] looked like:

10/30/2013 00:00:01  => 10/30/2013 23:59:59
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LVL 36

Expert Comment

by:PatHartman
ID: 39717051
You could use the DateValue() function to extract only the data part of a datetime field.


Where DateValue(SomeDate) Between Forms!yourform!startdate AND Forms!yourform!enddate

Of course, if you posted the code for the query, we wouldn't have to guess at what the problem might be.
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LVL 8

Expert Comment

by:Emil_Gray
ID: 39717206
Just for clarification there are 31 days in October the suggested sql should be

WHERE [StartTime] >= #10/1/2013# AND [StartTime] < #10/31/2013#
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LVL 47

Expert Comment

by:Dale Fye (Access MVP)
ID: 39717250
Emil,

The OP used 10/30/13, so that is what I used.

;-)
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Author Comment

by:marlind605
ID: 39717407
Here is the file. I will the final output to have a total number of hours and minutes by employee like for example  starttime 12/13/2013 1:00 stop time 12/13/2013 2:30 would be 1:30.  I use a function modtominute for this

 MinToTime = MyMinute \ 60 & ":" & Format((Abs(MyMinute Mod 60)), "00")

The user would put their start time and stop time and click the button on the form. In the end I will have a summary form from the query. May I ask at this time how to total up the hours for each employee? When I did sum it looked like the total was high when I was working with all of the records. Thanks for the help
timelog.accdb
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Author Comment

by:marlind605
ID: 39717455
I should have said stop and start date not time.
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LVL 120

Accepted Solution

by:
Rey Obrero (Capricorn1) earned 500 total points
ID: 39717468
try this query


SELECT tbltimesheet.Starttime, tbltimesheet.Stoptime, DateDiff("n",[StartTime],[StopTime]) AS Minutes, DateValue([Starttime]) AS Stop, tbltimesheet.EmpName
FROM tbltimesheet
WHERE (((DateValue([Starttime])) Between [Forms]![frmdateselection]![StartDate] And [Forms]![frmdateselection]![StopDate]) AND ((tbltimesheet.Starttime) Is Not Null))
GROUP BY tbltimesheet.Starttime, tbltimesheet.Stoptime, DateDiff("n",[StartTime],[StopTime]), DateValue([Starttime]), tbltimesheet.EmpName;


or if you want to sum the Minutes

SELECT tbltimesheet.Starttime, tbltimesheet.Stoptime, Sum(DateDiff("n",[StartTime],[StopTime])) AS Minutes, DateValue([Starttime]) AS Stop, tbltimesheet.EmpName
FROM tbltimesheet
WHERE (((DateValue([Starttime])) Between [Forms]![frmdateselection]![StartDate] And [Forms]![frmdateselection]![StopDate]) AND ((tbltimesheet.Starttime) Is Not Null))
GROUP BY tbltimesheet.Starttime, tbltimesheet.Stoptime, DateValue([Starttime]), tbltimesheet.EmpName;
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Author Closing Comment

by:marlind605
ID: 39717560
Thanks for all the replies. I used the second query capricorn1 gave me and it work perfectly. I don't understand why my way was getting the error message but I have the solution.
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