identifiers in a <acronym>BRIN</acronym> index range map page.
For example:
<screen>
-test=# SELECT * FROM brin_revmap_data(get_raw_page('brinidx', 2)) limit 5;
+test=# SELECT * FROM brin_revmap_data(get_raw_page('brinidx', 2)) LIMIT 5;
pages
---------
(6,137)
<function>gin_leafpage_items</function> returns information about
the data stored in a <acronym>GIN</acronym> leaf page. For example:
<screen>
-test=# SELECT first_tid, nbytes, tids[0:5] as some_tids
+test=# SELECT first_tid, nbytes, tids[0:5] AS some_tids
FROM gin_leafpage_items(get_raw_page('gin_test_idx', 2));
first_tid | nbytes | some_tids
-----------+--------+----------------------------------------------------------