How to write a self join query to check to conditions on same entity/field

Question

I have the following schema

so if the user wants the video to be private he sends '1' while adding the video, So that the video is available to only that particular user

If the users chooses 0 then the video is made available to all users.

Here is sample data:

I have a large set of information, and so i want to query only 20-20 records using limit

Query i tried

select * from test where userid="2" and public/private ="0"

But this will return only one record i.e videoid='1'

If i query like

select * from test where userid=4 and public/private='1'

i also want videoid 1,2 as result as they are public

Hope you understand what i mean! Can you help me to design the query..

Answer 1

So you want all private listings for that user and and all public listings for any user

select * from test where userid="2" or public/private ="0"