87 lines
3.3 KiB
SQL
87 lines
3.3 KiB
SQL
CREATE EXTENSION test_tidstore;
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-- To hide the output of do_set_block_offsets()
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CREATE TEMP TABLE hideblocks(blockno bigint);
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-- Constant values used in the tests.
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\set maxblkno 4294967295
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-- The maximum number of heap tuples (MaxHeapTuplesPerPage) in 8kB block is 291.
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-- We use a higher number to test tidstore.
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\set maxoffset 512
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SELECT test_create(false);
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-- Test on empty tidstore.
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SELECT test_is_full();
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SELECT check_set_block_offsets();
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-- Add TIDs.
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INSERT INTO hideblocks (blockno)
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SELECT do_set_block_offsets(blk, array_agg(off)::int2[])
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FROM
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(VALUES (0), (1), (:maxblkno / 2), (:maxblkno - 1), (:maxblkno)) AS blocks(blk),
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(VALUES (1), (2), (:maxoffset / 2), (:maxoffset - 1), (:maxoffset)) AS offsets(off)
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GROUP BY blk;
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-- Test offsets embedded in the bitmap header.
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SELECT do_set_block_offsets(501, array[greatest((random() * :maxoffset)::int, 1)]::int2[]);
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SELECT do_set_block_offsets(502, array_agg(DISTINCT greatest((random() * :maxoffset)::int, 1))::int2[])
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FROM generate_series(1, 3);
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-- Add enough TIDs to cause the store to appear "full", compared
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-- to the allocated memory it started out with. This is easier
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-- with memory contexts in local memory.
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INSERT INTO hideblocks (blockno)
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SELECT do_set_block_offsets(blk, ARRAY[1,31,32,63,64,200]::int2[])
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FROM generate_series(1000, 2000, 1) blk;
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-- Zero offset not allowed
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SELECT do_set_block_offsets(1, ARRAY[0]::int2[]);
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-- Check TIDs we've added to the store.
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SELECT check_set_block_offsets();
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SELECT test_is_full();
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-- Re-create the TID store for randommized tests.
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SELECT test_destroy();
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-- Test replacements crossing RT_CHILDPTR_IS_VALUE in both directions
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SELECT test_create(false);
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SELECT do_set_block_offsets(1, array[1]::int2[]); SELECT check_set_block_offsets();
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SELECT do_set_block_offsets(1, array[1,2]::int2[]); SELECT check_set_block_offsets();
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SELECT do_set_block_offsets(1, array[1,2,3]::int2[]); SELECT check_set_block_offsets();
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SELECT do_set_block_offsets(1, array[1,2,3,4]::int2[]); SELECT check_set_block_offsets();
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SELECT do_set_block_offsets(1, array[1,2,3,4,100]::int2[]); SELECT check_set_block_offsets();
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SELECT do_set_block_offsets(1, array[1,2,3,4]::int2[]); SELECT check_set_block_offsets();
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SELECT do_set_block_offsets(1, array[1,2,3]::int2[]); SELECT check_set_block_offsets();
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SELECT do_set_block_offsets(1, array[1,2]::int2[]); SELECT check_set_block_offsets();
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SELECT do_set_block_offsets(1, array[1]::int2[]); SELECT check_set_block_offsets();
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SELECT test_destroy();
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-- Use shared memory this time. We can't do that in test_radixtree.sql,
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-- because unused static functions would raise warnings there.
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SELECT test_create(true);
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-- Test offsets embedded in the bitmap header.
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SELECT do_set_block_offsets(501, array[greatest((random() * :maxoffset)::int, 1)]::int2[]);
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SELECT do_set_block_offsets(502, array_agg(DISTINCT greatest((random() * :maxoffset)::int, 1))::int2[])
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FROM generate_series(1, 3);
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-- Random TIDs test. The offset numbers are randomized and must be
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-- unique and ordered.
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INSERT INTO hideblocks (blockno)
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SELECT do_set_block_offsets(blkno, array_agg(DISTINCT greatest((random() * :maxoffset)::int, 1))::int2[])
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FROM generate_series(1, 100) num_offsets,
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generate_series(1000, 1100, 1) blkno
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GROUP BY blkno;
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-- Check TIDs we've added to the store.
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SELECT check_set_block_offsets();
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-- cleanup
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SELECT test_destroy();
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DROP TABLE hideblocks;
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