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Propagate ALTER TABLE ... SET STORAGE to indexes

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When creating a new index, the attstorage setting of the table column
is copied to regular (non-expression) index columns.  But a later
ALTER TABLE ... SET STORAGE is not propagated to indexes, thus
creating an inconsistent and undumpable state.

Discussion: https://www.postgresql.org/message-id/flat/9765d72b-37c0-06f5-e349-2a580aafd989%402ndquadrant.com
This commit is contained in:
Peter Eisentraut
2020-04-09 14:10:01 +02:00
parent f918b5d219
commit 03a8a5f2d4
5 changed files with 83 additions and 0 deletions
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5
contrib/test_decoding/sql/toast.sql
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@ -279,6 +279,11 @@ ALTER TABLE toasted_several ALTER COLUMN toasted_key SET STORAGE EXTERNAL;
ALTER TABLE toasted_several ALTER COLUMN toasted_col1 SET STORAGE EXTERNAL;
ALTER TABLE toasted_several ALTER COLUMN toasted_col2 SET STORAGE EXTERNAL;
-- Change the storage of the index back to EXTENDED, separately from
-- the table. This is currently not doable via DDL, but it is
-- supported internally.
UPDATE pg_attribute SET attstorage = 'x' WHERE attrelid = 'toasted_several_pkey'::regclass AND attname = 'toasted_key';
INSERT INTO toasted_several(toasted_key) VALUES(repeat('9876543210', 10000));
SELECT pg_column_size(toasted_key) > 2^16 FROM toasted_several;