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Reintroduce support for sequences in pgstattuple and pageinspect.

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Commit 4b82664156 restricted a number of functions provided by
contrib modules to only relations that use the "heap" table access
method.  Sequences always use this table access method, but they do
not advertise as such in the pg_class system catalog, so the
aforementioned commit also (presumably unintentionally) removed
support for sequences from some of these functions.  This commit
reintroduces said support for sequences to these functions and adds
a couple of relevant tests.

Co-authored-by: Ayush Vatsa
Reviewed-by: Robert Haas, Michael Paquier, Matthias van de Meent
Discussion: https://postgr.es/m/CACX%2BKaP3i%2Bi9tdPLjF5JCHVv93xobEdcd_eB%2B638VDvZ3i%3DcQA%40mail.gmail.com
Backpatch-through: 12
This commit is contained in:
Nathan Bossart
2024-09-12 16:31:29 -05:00
parent b0c30612c5
commit 05036a3155
6 changed files with 61 additions and 2 deletions
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12
contrib/pgstattuple/sql/pgstattuple.sql
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@ -119,6 +119,18 @@ create index test_partition_hash_idx on test_partition using hash (a);
select pgstatindex('test_partition_idx');
select pgstathashindex('test_partition_hash_idx');
-- these should work for sequences
create sequence test_sequence;
select count(*) from pgstattuple('test_sequence');
select pg_relpages('test_sequence');
-- these should fail for sequences
select pgstatindex('test_sequence');
select pgstatginindex('test_sequence');
select pgstathashindex('test_sequence');
select pgstattuple_approx('test_sequence');
drop sequence test_sequence;
drop table test_partitioned;
drop view test_view;
drop foreign table test_foreign_table;