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 FileMaker Pro Custom Functions

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GetNextMaxSerial

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  Average rating: 4.3  (28 votes)
  Discuss this Custom Function

Ibrahim Bittar, Eikonsys
http://www.eikonsys.com

Gets the next serial number without the need of context

Sample Input:
GetNextSerial ( TheTable , TheField )
Sample Output:
GetNextSerial ( "Activities" , "ActivityID" ) = 15


 Then copy & paste into FileMaker Advanced's Edit Custom Function window.

Click here to copy To Clip Manager if you have myFMbutler's Clip Manager installed

Description:

Sometimes during development we modify serial values in fields and the actual values can be higher than the next serial value set on the field.

This function returns the next serial value AFTER the maximum value in the table.

For example, suppose you have a field called MyID, which has a next value of 530, but in your table there is a record with a value of 600. Well, this function will return 601 because the next value after the maximum is 601.

This is useful when you import data and need to set the next serial value after the maximum value found in the table.

Note: these functions are not guaranteed or supported by BrianDunning.com. Please contact the individual developer with any questions or problems.

This is my Custom Function and I want to edit it

Discuss:

Shouldn't it be name GetPossibleSerial? Because it doesn't necessarily retrieves the NextSerial, but one next possible serial...
It can cost time of debugging. Imagine someone who, in the main table, has a global field with GetNextSerialValue and, in a related function, wants to use your CF, GetNextSerial, each to set one variable.

To be honest, I'm having trouble figuring when this would be better than GetNextSerialValue

hisc, sao paulo/BR
February 02, 2015 3:12pm

Both functions can't be used in unique field.

unix, Japan
February 09, 2015 10:32pm

Thank you Hisc and Unix for your comments.

I changed the function name and added a longer description so it can be easier to understand.

Please let me know what you think.

Ibrahim Bittar, León, México
February 10, 2015 9:02am

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