jadami10 commented on code in PR #14736:
URL: https://github.com/apache/pinot/pull/14736#discussion_r1902008220
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pinot-controller/src/main/resources/app/pages/TenantDetails.tsx:
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@@ -152,6 +152,18 @@ const TenantPageDetails = ({ match }:
RouteComponentProps<Props>) => {
const [showRebalanceServerModal, setShowRebalanceServerModal] =
useState(false);
const [schemaJSONFormat, setSchemaJSONFormat] = useState(false);
+ // This is quite hacky, but it's the only way to get this to work with the
dialog.
+ // The useState variables are simply for the dialog box to know what to
render in
+ // the checkbox fields. The actual state of the checkboxes is stored in the
refs.
+ // The refs are then used to determine how we delete the table. If you try
to use
+ // the state variables in this class, you will not be able to get their
latest values.
+ const [dialogCheckboxes, setDialogCheckboxes] = useState({
+ deleteImmediately: false,
+ deleteSchema: false
+ });
+ const deleteImmediatelyRef = useRef(false);
+ const deleteSchemaRef = useRef(false);
+
Review Comment:
I don't know react well enough, but I spent days on this with a coworker as
well as multiple LLM tools, and this is the only thing that reliably worked. I
think the issue is the very strange lifecycle of state variables and functions.
- "show dialog" state variable is in TenantDetails
- checkbox definition is in TenantDetails
- checkbox state is in TenantDetails
- the actual modal is in Confirm
- the children are rendered in Confirm
- the callbacks are defined in TenantDetails but activated in Confirm
Reusing the state variables from TenantDetails and rendering them in
Confirm, I only got 2 bad things working
- the checkbox updates, but the callback doesn't see the latest value until
the second time it's called
- the callback sees the latest value, but the checkbox doesn't actually
visually update
This leads me to believe that the way we're creating + rendering the modal
does not allow for a single state variable to work since there's no possible
update order for every component to do the right thing.
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