Set Implementation Type

In this step you choose how you want your read only field to get its data.

Actions

Choose one of the types Reference, Select and Expression.

Type Description
Reference Select a path of foreign keys to the attribute you want to display.
Select Enter a select statement that selects the value you want to display.
Expression Enter a PL/SQL expression that fetches the value you want to display.

Reference Type

Actions

Name Description
Reference Path Select a tree node in the reference browser to the attribute you want to display.

Select Type

Actions

Name Description Comment
Arguments Enter the arguments that should be passed to the method

generated for the select statement.

Arguments will be passed to the method in runtime, and must be separated with a comma. Arguments can be fetched from:
  • The view, these are prefixed "v."
  • The underlying table, these are prefixed "t."
Select Statement Enter a select statement that selects the value you want to display. The select statement must have the same number of bind variables as the number of arguments. Bind variables are prefixed with a colon.
Method Signature Read-only value that displays the signature of the generated method You can use this signature if you want to call this Custom Attribute from another Custom Attribute.

Note. Only arguments from underlying table, prefixed with "t.", can be used when creating a read-only field on a Custom Logical Unit.

Expression Type

Actions

Name Description Comment
Expression Statement Enter a PL/SQL expression that fetches the value you want to display. You can use valid PL/SQL expressions with predefined PL/SQL methods, computations and IFS Application methods. To use values from the current record in the expression, reference the attributes in the view. Using the "v." prefix is optional.
Method Signature Read-only value that displays the signature of the generated method. This is the signature of the generated method, you can use this signature if you want to call this Custom Attribute from another Custom Attribute.