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Document JpqlFilter entity parameter behavior #148 #149

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5 changes: 5 additions & 0 deletions content/modules/flow-ui/pages/vc/components/genericFilter-components.adoc
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Expand Up @@ -82,6 +82,11 @@ include::example$onboarding/src/main/resources/com/company/onboarding/view/compo
<2> Optional `join` clause.
<3> Mandatory `where` clause. `?` indicates the parameter that is entered by the user.

[NOTE]
====
When `parameterClass` is an entity type, `jpqlFilter` passes the *identifier* of the selected entity as the query parameter, not the entity instance. Compare against the id of the association in the `where` clause, for example `{E}.customer.id = ?`. Comparing the association reference directly (`{E}.customer = ?`) does not match any records.
====

//todo: add example with hasInExpression="true" upon completing jmix ticket #1442

=== Programmatic Configuration
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