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WINDEV
WindowsLinuxUniversal Windows 10 AppJavaReports and QueriesUser code (UMC)
WEBDEV
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WINDEV Mobile
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Others
Stored procedures
..PersistedCalculatedItem is used to:
  • Find out whether the value of a calculated item is stored in the data file. This item was defined in the data model editor or by programming.
  • Define whether the value of a calculated item is stored in the data file (when describing the item by programming).
Note: The calculated items correspond to the "Expression" items in the data model editor.
Versions 22 and later
WINDEVJava This property is now available for the Java applications.
New in version 22
WINDEVJava This property is now available for the Java applications.
WINDEVJava This property is now available for the Java applications.
Example
AFile is File Description
AnItem is Item Description
AnItem..Name = "CmdDate"
AnItem..CalculatedItemExpression = "'Written by ' + CURRENT_USER + ' on ' + SYSDATE"
AnItem..PersistedCalculatedItem = True
HDescribeItem(AFile, AnItem)
Syntax

Finding out whether the value of a calculated item is stored in the file Hide the details

<Result> = <File Name>.<Item Name>..PersistedCalculatedItem
<Result>: Boolean
  • True if the value of the calculated item is stored in the data file.
  • False if the value of the item is recalculated at each reading.
<File Name>: Character string (with or without quotes)
Name of data file used.
<Item Name>: Character string (with or without quotes)
Name of item used.
WINDEVUniversal Windows 10 AppUser code (UMC)

Indicating whether the value of a calculated item must be stored in the file Hide the details

<Item Name>..PersistedCalculatedItem = <Value>
<Item Name>: Character string (with or without quotes)
Name of item used. This name was defined by the Item Description type.
<Value>: Boolean
  • True if the value of the calculated item must be stored in the data file.
  • False if the value of the item must be recalculated at each read operation.
Minimum required version
  • Version 21
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