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Show empty BRIN ranges in brin_page_items

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Commit 3581cbdcd6 added a flag to identify empty BRIN ranges. This adds
the new flag to brin_page_items() output.

This is kept as a separate commit as it should not be backpatched.

Reviewed-by: Justin Pryzby, Matthias van de Meent, Alvaro Herrera
Discussion: https://postgr.es/m/402430e4-7d9d-6cf1-09ef-464d80afff3b@enterprisedb.com
This commit is contained in:
Tomas Vondra
2023-05-19 01:53:30 +02:00
parent 3581cbdcd6
commit 428c0cae92
5 changed files with 48 additions and 29 deletions
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6
contrib/pageinspect/expected/brin.out
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@ -43,9 +43,9 @@ SELECT * FROM brin_revmap_data(get_raw_page('test1_a_idx', 1)) LIMIT 5;
SELECT * FROM brin_page_items(get_raw_page('test1_a_idx', 2), 'test1_a_idx')
ORDER BY blknum, attnum LIMIT 5;
itemoffset | blknum | attnum | allnulls | hasnulls | placeholder | value
------------+--------+--------+----------+----------+-------------+----------
1 | 0 | 1 | f | f | f | {1 .. 1}
itemoffset | blknum | attnum | allnulls | hasnulls | placeholder | empty | value
------------+--------+--------+----------+----------+-------------+-------+----------
1 | 0 | 1 | f | f | f | f | {1 .. 1}
(1 row)
-- Mask DETAIL messages as these are not portable across architectures.