Determine the total number of likes per post using the supabase-js library

Recently, while working with my application and utilizing the supabase-js library, I encountered a challenge. My goal is to display a table similar to the one below:

Post TotalLikes
0001 3
0002 12
0005 0

In order to achieve this table structure, the SQL-query required would be as follows:

SELECT Post, COUNT(*) as TotalLikes from "Votes"
where positive_vote = true
GROUP BY Post

While researching solutions, I came across a related inquiry on Stack Overflow: How to get "COUNT(*)" in Supabase

However, the information provided did not directly address my current issue. Therefore, any assistance or suggestions would be greatly appreciated.

Answer №1

To execute a query in the supabase-js library, first create a view using the provided SQL code.

Define the view with the following statement:

CREATE VIEW my_custom_view AS
SELECT Product, COUNT(*) as TotalSales from "Orders"
where is_sale = true
GROUP BY Product

Execute the view by calling it like this:

await supabase.from('my_custom_view').select('*')

Please be aware that row level security (rls) cannot be implemented on views in Postgres versions 14 and below.

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