I'm new to hierarchies in general and LTREE in particular. As I've been converting and loading a column of text-based hierarchies into an LTREE column ...
I'm new to hierarchies in general and LTREE in particular. As I've been converting and loading a column of text-based hierarchies into an LTREE column ...
I am trying to check if a particular value exists in a list of ltree column. For example path column contains values {1.2.270, 1.270.3, 1.302.270.70}. ...
I am looking for information but I can't find it in the documentation I execute a request on my path to ask for the ancestors, I receive all the ances ...
I'm using LQUERY to do some custom filtering in queries from my PostgreSQL -database. One of the fields is a ltree -field called path and I should be ...
Let's say I have a Table people with the following columns: How do I find all mothers of Josef in the people Table? I'm searching for such a expre ...
I have a simple table defined in Postgres, where I'm using LTREE, but some rows can have empty paths: If I insert the following values into the tab ...
I am working over postgres in db we have below table where we have PATH column as ltree for storing hierarchy ids. Table (Location)- tried below q ...
I have an ltree column containing a tree with a depth of 3. I'm trying to write a query that can select all children at a specific depth (level 1 = ge ...
Result: Seq Scan on hierarchy_table (cost=0.00..1.10 rows=1 width=36) (actual time=0.009..0.011 rows=3 loops=1) http://sqlfiddle.com/#!17/6e3 ...
I have some problem with sqlalchemy during a session.execute query. I implemented a function to update ltree nodes with sqlalchemy, taking inspirat ...
I use variable in psql like: \set user_id 10; When i want use this variable in query like select * from users where user_id = :user_id; - it's ok Bu ...
How to check if a node is repeated (exits more than one) in a ltree? Something like this: ...
According to https://dzone.com/articles/installing-the-postgres-ltree-extension, ltree is installed and enabled on my computer. But when I try to make ...
I'm trying to fetch a tree from postgres DB using a native query, the next query is working fine using psql terminal: but when I add the same query ...
Is there a simple way to find the full path and update it for all topic with such data structure. Initial data: CREATE TABLE topics (id varch ...
"Content" table has a column "ltree" - Content items are created with a hierarchy based on this ltree. For example: Title LTR ...
I am using PostgreSQL and ltree for constructing a large set of binary tree data. For a particular logic I have to get the left/right most path of a g ...
I wanted to fetch Postgres ltree hierarchy after certain level using subltree and column name. I am able to fetch when i provide the exact input but n ...
Can someone please explain why two indexes mechanism (a btree and a gist) are defined in an example given by Postgresql documentation (Please Check F. ...
In create table wizard of PGAdmin 4 when you open the column type drop-down menu, there is a type named ltree_gist. Knowing that GIST is probably the ...