72 lines
2.4 KiB
Plaintext
72 lines
2.4 KiB
Plaintext
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CREATE TABLE test1 (x int, y int[]);
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INSERT INTO test1 VALUES (1, ARRAY[11, 111]);
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CREATE INDEX test1_y_idx ON test1 USING gin (y) WITH (fastupdate = off);
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\x
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SELECT * FROM gin_metapage_info(get_raw_page('test1_y_idx', 0));
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-[ RECORD 1 ]----+-----------
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pending_head | 4294967295
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pending_tail | 4294967295
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tail_free_size | 0
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n_pending_pages | 0
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n_pending_tuples | 0
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n_total_pages | 2
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n_entry_pages | 1
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n_data_pages | 0
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n_entries | 2
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version | 2
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SELECT * FROM gin_metapage_info(get_raw_page('test1_y_idx', 1));
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ERROR: input page is not a GIN metapage
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DETAIL: Flags 0002, expected 0008
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SELECT * FROM gin_page_opaque_info(get_raw_page('test1_y_idx', 1));
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-[ RECORD 1 ]---------
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rightlink | 4294967295
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maxoff | 0
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flags | {leaf}
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SELECT * FROM gin_leafpage_items(get_raw_page('test1_y_idx', 1));
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ERROR: input page is not a compressed GIN data leaf page
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DETAIL: Flags 0002, expected 0083
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INSERT INTO test1 SELECT x, ARRAY[1,10] FROM generate_series(2,10000) x;
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SELECT COUNT(*) > 0
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FROM gin_leafpage_items(get_raw_page('test1_y_idx',
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(pg_relation_size('test1_y_idx') /
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current_setting('block_size')::bigint)::int - 1));
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-[ RECORD 1 ]
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?column? | t
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-- Failure with various modes.
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-- Suppress the DETAIL message, to allow the tests to work across various
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-- page sizes and architectures.
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\set VERBOSITY terse
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-- invalid page size
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SELECT gin_leafpage_items('aaa'::bytea);
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ERROR: invalid page size
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SELECT gin_metapage_info('bbb'::bytea);
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ERROR: invalid page size
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SELECT gin_page_opaque_info('ccc'::bytea);
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ERROR: invalid page size
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-- invalid special area size
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SELECT * FROM gin_metapage_info(get_raw_page('test1', 0));
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ERROR: input page is not a valid GIN metapage
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SELECT * FROM gin_page_opaque_info(get_raw_page('test1', 0));
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ERROR: input page is not a valid GIN data leaf page
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SELECT * FROM gin_leafpage_items(get_raw_page('test1', 0));
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ERROR: input page is not a valid GIN data leaf page
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\set VERBOSITY default
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-- Tests with all-zero pages.
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SHOW block_size \gset
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SELECT gin_leafpage_items(decode(repeat('00', :block_size), 'hex'));
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-[ RECORD 1 ]------+-
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gin_leafpage_items |
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SELECT gin_metapage_info(decode(repeat('00', :block_size), 'hex'));
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-[ RECORD 1 ]-----+-
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gin_metapage_info |
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SELECT gin_page_opaque_info(decode(repeat('00', :block_size), 'hex'));
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-[ RECORD 1 ]--------+-
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gin_page_opaque_info |
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DROP TABLE test1;
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