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Tools > System Reports > Rules Not Using Lightweight Lists
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Use the Lightweight Lists utility to report on rules in your application that are using page lists where they could use lightweight lists instead. You can improve system performance by using lightweight lists. The utility searches List views and Summary views, plus Obj-Browse and Lookuplist activities.
The form displays a tab for each type of rule and displays a list of instances where lightweight lists can be used. You can click a link to access each instance, check the Use Lightweight List checkbox, and save the rule. For Lookup lists rules, enter true in the useLightweightList field.
Caution: Before enabling lightweight list usage for your rule or activity, consider the processing performed by your current page list. If it utilizes features such as forward chaining declarative processing, messaging, value vetting, or other features not supported by lightweight lists, you may prefer to leave the setting as is. For more information, see PDN article About lightweight lists (section "Limitations").
Two dynamic system settings control the use of lightweight lists by List view and Summary view rules and Obj-Browse and Lookuplist activities. There is a setting each for PRPC and application rules:
When true, these dynamic system settings override any rule-specific settings you may change after finding them with this utility. For example, if the system setting is set to true, deselecting the Use Lightweight List checkbox for an individual rule will have no effect; lightweight list processing will be performed for that and all other rules using the lightweight list option.
When either dynamic system setting is set to false, the system honors the setting for each rule and either uses or does not use lightweight list processing according to the setting on the rule form.
The List Views tab displays list view rules in the application defined without the Use Lightweight List checkbox selected.
Column |
Description |
| View Purpose | The view purpose defined for the list view. Click the item to open the list view rule form. Click the rule's Content tab to access the Use Lightweight List checkbox. |
| Applies To | The Applies To class of the rule. |
| Owner | The final key part of the rule. Conventionally, the value ALL is used for a rule available to everyone who has access to the rule. |
| Updated On | The date the rule was last updated. |
| Updated By | The operator who last updated the rule. |
| RuleSet Name | The name of the RuleSet containing the rule. |
| RuleSet Version | The version of the containing RuleSet. |
The Summary Views tab displays summary view rules in the application defined without the Use Lightweight List checkbox selected.
Column |
Description |
| View Purpose | The view purpose defined for the list view. Click the item to open the summary views rule form. Click the rule's Content tab to access the Use Lightweight List checkbox in the Report Source section. |
| Applies To | The Applies To class of the rule. |
| Owner | The final key part of the rule. Conventionally, the value ALL is used for a rule available to everyone who has access to the rule. |
| Updated On | The date the rule was last updated. |
| Updated By | The operator who last updated the rule. |
| RuleSet Name | The name of the RuleSet containing the rule. |
| RuleSet Version | The version of the containing RuleSet. |
The Obj-Browse tab displays a list of activity rules in the application using an Obj-Browse method that does not have the Use lightweight list option checked.
Column |
Description |
| Activity Name |
The activity name. Click the item to open the activity rule form. Click the rule's Steps tab. Click |
| Applies To | The Applies To class of the rule. |
| Activity Type | The activity type. |
| Updated On | The date the rule was last updated. |
| Updated By | The operator who last updated the rule. |
| RuleSet Name | The name of the RuleSet containing the rule. |
| RuleSet Version | The version of the containing RuleSet. |
The Lookup List tab displays a list of activity rules using a LookupList that does not have "true" specified for the lightweight list option.
Column |
Description |
| Activity Name |
The activity name. Click the item to open the activity rule form. Click the rule's Steps tab. Click |
| Applies To | The Applies To class of the rule. |
| Activity Type | The activity type. |
| Updated On | The date the rule was last updated. |
| Updated By | The operator who last updated the rule. |
| RuleSet Name | The name of the RuleSet containing the rule. |
| RuleSet Version | The version of the containing RuleSet. |
System category — Tools — 
to expand the action parameters for any steps using an Obj-Browse method and select the Use Lightweight List checkbox.