Fix unique values hierarchy #832
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Some hierarchies have values that are present at multiple branches of a hierarchy
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When mapping Tariff or Basket ID as color field, selecting the Zolltarifs and List of Zolltarifs values doesn't do anything (no data is filtered + no color appears in the option row). I guess it's related to a value being shared across multiple parents, but is this an expected behavior?
| /** | ||
| * Can be used for debugging, pass a hierarchy, and copy the output | ||
| * to graphviz. | ||
| * | ||
| * @see https://dreampuf.github.io/GraphvizOnline/ | ||
| */ | ||
| export const hierarchyToGraphviz = ( | ||
| hierarchy: DimensionHierarchyQueryHierarchy | ||
| ) => { | ||
| const lines = [] as string[]; | ||
| dfs(hierarchy, (node, { depth, parents }) => { | ||
| lines.push(`"${node.value}"[label="${node.label.replace(/"/g, "")}"]`); | ||
| if (parents.length > 0) { | ||
| const parent = parents[parents.length - 1]; | ||
| lines.push(`"${parent.value}" -> "${node.value}"`); | ||
| } | ||
| }); | ||
| return ` | ||
| digraph G { | ||
| rankdir=LR | ||
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| ${lines.join("\n")} | ||
| } | ||
| `; | ||
| }; | ||
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I can give an input here, and this might be an "special" situation in my data: most of the nodes are related to values in the Data, except the "list of Zolltarif" node itself -> this is kind of a "fake" node, just to regroup and display the list of Zolltarifs that are included in a basket (whithout having to look at all tarifs in the children, and also given that a tarif could be directly at that level and not coming from a child).
As discussed with Patrick, there could be a better way to show this, we can talk about it. This was just a "possible" way that I used for that POC.
Thus, for me it makes sense if the node "list of Zolltarfis" can not be selected. It is a nice handling of the situation by Visualize.
And it is the same for the node "Zolltarifs" itself: there is no value in the data for it, but its children do have a value.
Fix #822 (comment)