57 lines
2.6 KiB
Plaintext
57 lines
2.6 KiB
Plaintext
-- test old extension version entry points
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DROP EXTENSION pageinspect;
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CREATE EXTENSION pageinspect VERSION '1.8';
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CREATE TABLE test1 (a int8, b text);
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INSERT INTO test1 VALUES (72057594037927937, 'text');
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CREATE INDEX test1_a_idx ON test1 USING btree (a);
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-- from page.sql
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SELECT octet_length(get_raw_page('test1', 0)) AS main_0;
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main_0
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--------
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8192
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(1 row)
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SELECT octet_length(get_raw_page('test1', 'main', 0)) AS main_0;
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main_0
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--------
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8192
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(1 row)
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SELECT page_checksum(get_raw_page('test1', 0), 0) IS NOT NULL AS silly_checksum_test;
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silly_checksum_test
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---------------------
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t
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(1 row)
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-- from btree.sql
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SELECT * FROM bt_page_stats('test1_a_idx', 1);
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blkno | type | live_items | dead_items | avg_item_size | page_size | free_size | btpo_prev | btpo_next | btpo | btpo_flags
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-------+------+------------+------------+---------------+-----------+-----------+-----------+-----------+------+------------
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1 | l | 1 | 0 | 16 | 8192 | 8128 | 0 | 0 | 0 | 3
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(1 row)
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SELECT * FROM bt_page_items('test1_a_idx', 1);
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itemoffset | ctid | itemlen | nulls | vars | data | dead | htid | tids
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------------+-------+---------+-------+------+-------------------------+------+-------+------
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1 | (0,1) | 16 | f | f | 01 00 00 00 00 00 00 01 | f | (0,1) |
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(1 row)
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-- page_header() uses int instead of smallint for lower, upper, special and
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-- pagesize in pageinspect >= 1.10.
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ALTER EXTENSION pageinspect UPDATE TO '1.9';
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\df page_header
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List of functions
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Schema | Name | Result data type | Argument data types | Type
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--------+-------------+------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+------
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public | page_header | record | page bytea, OUT lsn pg_lsn, OUT checksum smallint, OUT flags smallint, OUT lower smallint, OUT upper smallint, OUT special smallint, OUT pagesize smallint, OUT version smallint, OUT prune_xid xid | func
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(1 row)
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SELECT pagesize, version FROM page_header(get_raw_page('test1', 0));
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pagesize | version
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----------+---------
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8192 | 4
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(1 row)
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DROP TABLE test1;
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DROP EXTENSION pageinspect;
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