Use multiple conflict_target in ON CONFLICT clause

Question

I have two columns in table col1, col2, they both are unique indexed (col1 is unique and so is col2).

I need at insert into this table, u

Answer 1

Vlad got the right idea.

First you have to create a table unique constraint on the columns col1, col2 Then once you do that you can do the following:

INSERT INTO dupes values(3,2,'c') 
ON CONFLICT ON CONSTRAINT dupes_pkey 
DO UPDATE SET col3 = 'c', col2 = 2