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Copilot-Session: 95c06ad8-377d-4faa-8d07-06300b1c81ec

microsoft/knowledge/upgrade/check-only-triggers-do-not-migrate-data.good.al

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+codeunit 50302 "Upgrade Phases Good"
+{
+    Subtype = Upgrade;
+
+    trigger OnCheckPreconditionsPerCompany()
+    begin
+        CheckTargetPostingGroup();
+    end;
+
+    trigger OnUpgradePerCompany()
+    var
+        UpgradeTag: Codeunit "Upgrade Tag";
+    begin
+        if UpgradeTag.HasUpgradeTag(CustomerPostingGroupTag()) then
+            exit;
+
+        MigrateCustomerPostingGroups();
+        UpgradeTag.SetUpgradeTag(CustomerPostingGroupTag());
+    end;
+
+    trigger OnValidateUpgradePerCompany()
+    begin
+        CheckLegacyPostingGroupsRemoved();
+    end;
+
+    local procedure CheckTargetPostingGroup()
+    var
+        CustomerPostingGroup: Record "Customer Posting Group";
+    begin
+        if not CustomerPostingGroup.Get('NEW') then
+            Error(TargetGroupMissingErr);
+    end;
+
+    local procedure MigrateCustomerPostingGroups()
+    var
+        Customer: Record Customer;
+    begin
+        Customer.SetRange("Customer Posting Group", 'OLD');
+        if Customer.FindSet(true) then
+            repeat
+                Customer.Validate("Customer Posting Group", 'NEW');
+                Customer.Modify(true);
+            until Customer.Next() = 0;
+    end;
+
+    local procedure CheckLegacyPostingGroupsRemoved()
+    var
+        Customer: Record Customer;
+    begin
+        Customer.SetRange("Customer Posting Group", 'OLD');
+        if not Customer.IsEmpty() then
+            Error(MigrationIncompleteErr);
+    end;
+
+    local procedure CustomerPostingGroupTag(): Code[250]
+    begin
+        exit('MS-50302-CustomerPostingGroup-20260714');
+    end;
+
+    var
+        MigrationIncompleteErr: Label 'The legacy customer posting group was not migrated.';
+        TargetGroupMissingErr: Label 'Customer posting group NEW must exist before the upgrade.';
+}