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Questions tagged [tree-structure]

110 questions
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how to convert tree query set into dictionary?

book_category_list=[] for book_category in BookCategory.objects.filter(parent__isnull = True): book_category_list.append(book_category.get_family())** now the book_category_list in tree query set format. I need to list categories in a tree…
Rahman
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How to convert flat data structure to tree structure in JavaScript using recursion

I want to create a tree from the data provided using recursion. I am also trying to get the tree to pass an npm test, but when I run the test, it is failing. I am getting a tree, but it looks different than the one it is supposed to look like. Here…
Isaac Covarrubias
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how to save tree structure data in prisma

i try to build app with nestjs with prisma, i have problem with tree structure saving the data, here is my model for categories. model Category { id Int @id @default(autoincrement()) name String children Category[]…
fadhli
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Define firebase json structure nested list

I want to create a database structure for my realtime database in firebase. Right now I have list and those list have sublist. Those sublist have products and users. To get the users in a sublist I defined his own object "SubListUser" : { …
jorge.munin
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How to do recursive lookups while preserving duplicates in MongoDB

I have a mongo db like this: db.templates.insertMany( [ { _id: 1, uuid: "1", name: "t1", related_templates: [ "2", "2" ] }, { _id: 2, uuid: "2", name: "t2", related_templates: [ "3", "3" ] }, { _id: 3, uuid: "3", name: "t3",…
Caleb Short
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How can I filter data without loading it first?

I am using nestjs-typeorm and want to filter out nested data based on some reference. The code loads the whole database first and then filters the required result. How can I filter out the required data without loading entire table of the database…
Joey Tribbiani
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Sharding a MongoDB database having a Tree Structure

I have a MongoDB collection having a Tree Structure and need to use sharding. I couldn't find anything specific to Tree Structures in the documentation on Sharding. If anybody can let me know how to approach this, that'd be great. Thank you.
Akalanka Weerasooriya
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SQL Server trigger (I need to move through a hierarchical tree structure from any given node)

Good day I have a legacy database that was designed for a specific front end application. I am doing multiples cases of additional app development using this data however, the legacy database has proven inadequate to work with going into the future.…
Matthew Leslie
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Instead of dotted line,Can we use solid line in JS TREE?

I want to use a solid line in the JS Tree structure instead of the dotted line. Refer Screenshot I can remove dotted line using the following code $('#html').jstree().hide_dots(); But I want to change it from dotted to solid. Is there any way for…
Nagaraj Juro
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I need to recursively check a dynamic Tree Structure in Javascript

I need your help. So the goal this time is that i want to recursively check my tree structure. Basically this is what i need it to do: On the on side i have a so called treeNode (example: 'Article.Artnr') and on the other a so called contextEntry…
OTRAY
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Create File explorer in Angular dynamically with springboot backend(SFTP,get folderstructure and pass to angular)

I used this link - https://stackblitz.com/edit/angular-file-explorer My issue is they hardcoded the Folder structure where the root Folders are created with constant but my Folder structure is dynamic with multiple sub directories which I am SFTPing…
Kate Spade
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How to build a tree json in javascript

I am playing around with D3 charts. One of the examples they provide is a chart to draw a tree structure (https://observablehq.com/@d3/tidy-tree) I took this chart and embeded in Power BI as per example here…
Macin
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Indenting a tree file structure from string input

Click here to see a screenshot of the assignment Here is how the Navigation.csv looks like, where I take data from https://pastebin.com/JXnaRTzi <-- Click on the link for code - this is my code so far, I am reading the file and making objects from…
Mario Krstevski
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How to normalize database with tree structure MYSQL

I want to organize my Mangas, each Manga will have many Chapters, each Chapter will have many pages, between 20 pages. Tree : Mangas -> Chapters -> Pages. I want to add the Manga, instead, add each Chapter with many Pages to the manga created. How…
Braian Silva
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Tree Structure with recursive variadic template

I'm trying to make a tree structure to manage data whose structure can change depending on the type. Here is what I did for the base object //Type1.. are the types of the leaves having Base as common parent enum class…
Teloze
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