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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:19:15 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:19:15 +0000 |
commit | 6eb9c5a5657d1fe77b55cc261450f3538d35a94d (patch) | |
tree | 657d8194422a5daccecfd42d654b8a245ef7b4c8 /contrib/amcheck/sql/check_btree.sql | |
parent | Initial commit. (diff) | |
download | postgresql-13-6eb9c5a5657d1fe77b55cc261450f3538d35a94d.tar.xz postgresql-13-6eb9c5a5657d1fe77b55cc261450f3538d35a94d.zip |
Adding upstream version 13.4.upstream/13.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'contrib/amcheck/sql/check_btree.sql')
-rw-r--r-- | contrib/amcheck/sql/check_btree.sql | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/contrib/amcheck/sql/check_btree.sql b/contrib/amcheck/sql/check_btree.sql new file mode 100644 index 0000000..97a3e1a --- /dev/null +++ b/contrib/amcheck/sql/check_btree.sql @@ -0,0 +1,125 @@ +CREATE TABLE bttest_a(id int8); +CREATE TABLE bttest_b(id int8); +CREATE TABLE bttest_multi(id int8, data int8); +CREATE TABLE delete_test_table (a bigint, b bigint, c bigint, d bigint); + +-- Stabalize tests +ALTER TABLE bttest_a SET (autovacuum_enabled = false); +ALTER TABLE bttest_b SET (autovacuum_enabled = false); +ALTER TABLE bttest_multi SET (autovacuum_enabled = false); +ALTER TABLE delete_test_table SET (autovacuum_enabled = false); + +INSERT INTO bttest_a SELECT * FROM generate_series(1, 100000); +INSERT INTO bttest_b SELECT * FROM generate_series(100000, 1, -1); +INSERT INTO bttest_multi SELECT i, i%2 FROM generate_series(1, 100000) as i; + +CREATE INDEX bttest_a_idx ON bttest_a USING btree (id) WITH (deduplicate_items = ON); +CREATE INDEX bttest_b_idx ON bttest_b USING btree (id); +CREATE UNIQUE INDEX bttest_multi_idx ON bttest_multi +USING btree (id) INCLUDE (data); + +CREATE ROLE regress_bttest_role; + +-- verify permissions are checked (error due to function not callable) +SET ROLE regress_bttest_role; +SELECT bt_index_check('bttest_a_idx'::regclass); +SELECT bt_index_parent_check('bttest_a_idx'::regclass); +RESET ROLE; + +-- we, intentionally, don't check relation permissions - it's useful +-- to run this cluster-wide with a restricted account, and as tested +-- above explicit permission has to be granted for that. +GRANT EXECUTE ON FUNCTION bt_index_check(regclass) TO regress_bttest_role; +GRANT EXECUTE ON FUNCTION bt_index_parent_check(regclass) TO regress_bttest_role; +GRANT EXECUTE ON FUNCTION bt_index_check(regclass, boolean) TO regress_bttest_role; +GRANT EXECUTE ON FUNCTION bt_index_parent_check(regclass, boolean) TO regress_bttest_role; +SET ROLE regress_bttest_role; +SELECT bt_index_check('bttest_a_idx'); +SELECT bt_index_parent_check('bttest_a_idx'); +RESET ROLE; + +-- verify plain tables are rejected (error) +SELECT bt_index_check('bttest_a'); +SELECT bt_index_parent_check('bttest_a'); + +-- verify non-existing indexes are rejected (error) +SELECT bt_index_check(17); +SELECT bt_index_parent_check(17); + +-- verify wrong index types are rejected (error) +BEGIN; +CREATE INDEX bttest_a_brin_idx ON bttest_a USING brin(id); +SELECT bt_index_parent_check('bttest_a_brin_idx'); +ROLLBACK; + +-- normal check outside of xact +SELECT bt_index_check('bttest_a_idx'); +-- more expansive tests +SELECT bt_index_check('bttest_a_idx', true); +SELECT bt_index_parent_check('bttest_b_idx', true); + +BEGIN; +SELECT bt_index_check('bttest_a_idx'); +SELECT bt_index_parent_check('bttest_b_idx'); +-- make sure we don't have any leftover locks +SELECT * FROM pg_locks +WHERE relation = ANY(ARRAY['bttest_a', 'bttest_a_idx', 'bttest_b', 'bttest_b_idx']::regclass[]) + AND pid = pg_backend_pid(); +COMMIT; + +-- Deduplication +TRUNCATE bttest_a; +INSERT INTO bttest_a SELECT 42 FROM generate_series(1, 2000); +SELECT bt_index_check('bttest_a_idx', true); + +-- normal check outside of xact for index with included columns +SELECT bt_index_check('bttest_multi_idx'); +-- more expansive tests for index with included columns +SELECT bt_index_parent_check('bttest_multi_idx', true, true); + +-- repeat expansive tests for index built using insertions +TRUNCATE bttest_multi; +INSERT INTO bttest_multi SELECT i, i%2 FROM generate_series(1, 100000) as i; +SELECT bt_index_parent_check('bttest_multi_idx', true, true); + +-- +-- Test for multilevel page deletion/downlink present checks, and rootdescend +-- checks +-- +INSERT INTO delete_test_table SELECT i, 1, 2, 3 FROM generate_series(1,80000) i; +ALTER TABLE delete_test_table ADD PRIMARY KEY (a,b,c,d); +-- Delete most entries, and vacuum, deleting internal pages and creating "fast +-- root" +DELETE FROM delete_test_table WHERE a < 79990; +VACUUM delete_test_table; +SELECT bt_index_parent_check('delete_test_table_pkey', true); + +-- +-- BUG #15597: must not assume consistent input toasting state when forming +-- tuple. Bloom filter must fingerprint normalized index tuple representation. +-- +CREATE TABLE toast_bug(buggy text); +ALTER TABLE toast_bug ALTER COLUMN buggy SET STORAGE extended; +CREATE INDEX toasty ON toast_bug(buggy); + +-- pg_attribute entry for toasty.buggy (the index) will have plain storage: +UPDATE pg_attribute SET attstorage = 'p' +WHERE attrelid = 'toasty'::regclass AND attname = 'buggy'; + +-- Whereas pg_attribute entry for toast_bug.buggy (the table) still has extended storage: +SELECT attstorage FROM pg_attribute +WHERE attrelid = 'toast_bug'::regclass AND attname = 'buggy'; + +-- Insert compressible heap tuple (comfortably exceeds TOAST_TUPLE_THRESHOLD): +INSERT INTO toast_bug SELECT repeat('a', 2200); +-- Should not get false positive report of corruption: +SELECT bt_index_check('toasty', true); + +-- cleanup +DROP TABLE bttest_a; +DROP TABLE bttest_b; +DROP TABLE bttest_multi; +DROP TABLE delete_test_table; +DROP TABLE toast_bug; +DROP OWNED BY regress_bttest_role; -- permissions +DROP ROLE regress_bttest_role; |