PersistedCalculatedItem (Property)

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PersistedCalculatedItem

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PersistedCalculatedItem

RepeatableReadSupported

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PersistedCalculatedItem (Property)

In french: PersistanceRubriqueCalculée

..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

This property is now available for the Java applications.

New in version 22

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.

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.