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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:15:05 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:15:05 +0000 |
commit | 46651ce6fe013220ed397add242004d764fc0153 (patch) | |
tree | 6e5299f990f88e60174a1d3ae6e48eedd2688b2b /contrib/pageinspect/sql/btree.sql | |
parent | Initial commit. (diff) | |
download | postgresql-14-upstream.tar.xz postgresql-14-upstream.zip |
Adding upstream version 14.5.upstream/14.5upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'contrib/pageinspect/sql/btree.sql')
-rw-r--r-- | contrib/pageinspect/sql/btree.sql | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/contrib/pageinspect/sql/btree.sql b/contrib/pageinspect/sql/btree.sql new file mode 100644 index 0000000..1f554f0 --- /dev/null +++ b/contrib/pageinspect/sql/btree.sql @@ -0,0 +1,51 @@ +CREATE TABLE test1 (a int8, b int4range); +INSERT INTO test1 VALUES (72057594037927937, '[0,1)'); +CREATE INDEX test1_a_idx ON test1 USING btree (a); + +\x + +SELECT * FROM bt_metap('test1_a_idx'); + +SELECT * FROM bt_page_stats('test1_a_idx', -1); +SELECT * FROM bt_page_stats('test1_a_idx', 0); +SELECT * FROM bt_page_stats('test1_a_idx', 1); +SELECT * FROM bt_page_stats('test1_a_idx', 2); + +SELECT * FROM bt_page_items('test1_a_idx', -1); +SELECT * FROM bt_page_items('test1_a_idx', 0); +SELECT * FROM bt_page_items('test1_a_idx', 1); +SELECT * FROM bt_page_items('test1_a_idx', 2); + +SELECT * FROM bt_page_items(get_raw_page('test1_a_idx', -1)); +SELECT * FROM bt_page_items(get_raw_page('test1_a_idx', 0)); +SELECT * FROM bt_page_items(get_raw_page('test1_a_idx', 1)); +SELECT * FROM bt_page_items(get_raw_page('test1_a_idx', 2)); + +-- Failure when using a non-btree index. +CREATE INDEX test1_a_hash ON test1 USING hash(a); +SELECT bt_metap('test1_a_hash'); +SELECT bt_page_stats('test1_a_hash', 0); +SELECT bt_page_items('test1_a_hash', 0); +SELECT bt_page_items(get_raw_page('test1_a_hash', 0)); +CREATE INDEX test1_b_gist ON test1 USING gist(b); +-- Special area of GiST is the same as btree, this complains about inconsistent +-- leaf data on the page. +SELECT bt_page_items(get_raw_page('test1_b_gist', 0)); + +-- Several failure modes. +-- Suppress the DETAIL message, to allow the tests to work across various +-- page sizes and architectures. +\set VERBOSITY terse +-- invalid page size +SELECT bt_page_items('aaa'::bytea); +-- invalid special area size +CREATE INDEX test1_a_brin ON test1 USING brin(a); +SELECT bt_page_items(get_raw_page('test1', 0)); +SELECT bt_page_items(get_raw_page('test1_a_brin', 0)); +\set VERBOSITY default + +-- Tests with all-zero pages. +SHOW block_size \gset +SELECT bt_page_items(decode(repeat('00', :block_size), 'hex')); + +DROP TABLE test1; |