Index size added to i4:invalid indexes report

Author: dmius

sql/i4_invalid_indexes.sql

@@ -14,6 +14,7 @@ select
     pci.relname as index_name,
     pn.nspname as schema_name,
     pct.relname as table_name,
+    pg_size_pretty(pg_relation_size(pidx.indexrelid)) index_size,
     format('DROP INDEX CONCURRENTLY %s; -- %s, table %s', pidx.indexrelid::regclass::text, 'Invalid index', pct.relname) as drop_code,
     replace(
       format('%s; -- table %s', pg_get_indexdef(pidx.indexrelid), pct.relname),