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ecto_psql_extras

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Ecto PostgreSQL database performance insights. Locks, index usage, buffer cache hit ratios, vacuum stats and more.

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ecto_psql_extras lib queries index_size.ex
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lib/queries/index_size.ex 

defmodule EctoPSQLExtras.IndexSize do

  def title do

    "The size of indexes, descending by size"

  end



  def query do

"""

/* The size of indexes, descending by size */



SELECT c.relname AS name,

  pg_size_pretty(sum(c.relpages::bigint*8192)::bigint) AS size

FROM pg_class c

LEFT JOIN pg_namespace n ON (n.oid = c.relnamespace)

WHERE n.nspname NOT IN ('pg_catalog', 'information_schema')

AND n.nspname !~ '^pg_toast'

AND c.relkind='i'

GROUP BY c.relname

ORDER BY sum(c.relpages) DESC;

"""

  end

end