List all index names, column names and its table name of a PostgreSQL database

Question

What is the query to get the list all index names, its column name and its table name of a postgresql database?

I have tried to get the list of all indexes in a db b

Answer 1

The Query to list all the indexes of a database

SELECT
  tablename,
  indexes [1],
  indexes [2],
  indexes [3],
  indexes [4],
  indexes [5],
  indexes [6],
  indexes [7],
  indexes [8],
  indexes [9],
  indexes [10]
FROM (SELECT
  tablename,
  array_agg(indexname) AS indexes
FROM pg_indexes
WHERE schemaname = 'public'
GROUP BY tablename) as sub;