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| author | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2021-01-13 10:33:33 +0200 |
|---|---|---|
| committer | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2021-01-13 10:33:33 +0200 |
| commit | 756ab29124d7850d4392e2227b67b69b61576cd6 (patch) | |
| tree | 52812d01b7db7792b105374c452493a39b832be7 /contrib/pageinspect/sql/gist.sql | |
| parent | df10ac625c1672edf839ff59cfcac9dcc097515c (diff) | |
| download | postgresql-756ab29124d7850d4392e2227b67b69b61576cd6.tar.gz postgresql-756ab29124d7850d4392e2227b67b69b61576cd6.zip | |
Add functions to 'pageinspect' to inspect GiST indexes.
Author: Andrey Borodin and me
Discussion: https://www.postgresql.org/message-id/3E4F9093-A1B5-4DF8-A292-0B48692E3954%40yandex-team.ru
Diffstat (limited to 'contrib/pageinspect/sql/gist.sql')
| -rw-r--r-- | contrib/pageinspect/sql/gist.sql | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/contrib/pageinspect/sql/gist.sql b/contrib/pageinspect/sql/gist.sql new file mode 100644 index 00000000000..b38da4cb033 --- /dev/null +++ b/contrib/pageinspect/sql/gist.sql @@ -0,0 +1,18 @@ +CREATE TABLE test_gist AS SELECT point(i,i) p, i::text t FROM + generate_series(1,1000) i; +CREATE INDEX test_gist_idx ON test_gist USING gist (p); + +-- Page 0 is the root, the rest are leaf pages +SELECT * FROM gist_page_opaque_info(get_raw_page('test_gist_idx', 0)); +SELECT * FROM gist_page_opaque_info(get_raw_page('test_gist_idx', 1)); +SELECT * FROM gist_page_opaque_info(get_raw_page('test_gist_idx', 2)); + +SELECT * FROM gist_page_items(get_raw_page('test_gist_idx', 0), 'test_gist_idx'); +SELECT * FROM gist_page_items(get_raw_page('test_gist_idx', 1), 'test_gist_idx') LIMIT 5; +SELECT * FROM gist_page_items(get_raw_page('test_gist_idx', 2), 'test_gist_idx') LIMIT 5; + +SELECT * FROM gist_page_items_bytea(get_raw_page('test_gist_idx', 0)); +SELECT * FROM gist_page_items_bytea(get_raw_page('test_gist_idx', 1)) LIMIT 5; +SELECT * FROM gist_page_items_bytea(get_raw_page('test_gist_idx', 2)) LIMIT 5; + +DROP TABLE test_gist; |