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Displays the course of action the specified Object will take when generated. The Navigation diagram helps you analyze the performance and sequences of the object's operation.

For Each / Grid / Data Provider Group

FOR EACH Base Table Name:  Base Table of the main for each.
Order: List of Index Attributes, this order can be specified by the user or inferred by GeneXus to optimize navigation.
Index: Index name that will probably be used for Base Table access.
Warning/Error: Declares Warnings or Errors that have been detected in this Group.
Navigation filter: Inferred or specified conditions that act as a filter for the group.Table data retrieval when using the selected index.

Constraint: Data Retrieval Conditions.

Constraint can be classified between server constraint (DBMS) and client constraint (application server). The former will be included directly in the SQL sentence and in the latter, the filter will be applied in the generated program. Server constraint will lead in a database access optimization, so when a constraint can not be optimized, the condition is shown with a warning image that said : WarningIcon Constraint evaluated in the client. This may lead to poor performance

See also

Navigation Report for Transactions

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