26 lines
897 B
MySQL
26 lines
897 B
MySQL
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--
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-- Test GiST indexes.
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--
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-- There are other tests to test different GiST opclasses. This is for
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-- testing GiST code itself. Vacuuming in particular.
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create table gist_point_tbl(id int4, p point);
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create index gist_pointidx on gist_point_tbl using gist(p);
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-- Insert enough data to create a tree that's a couple of levels deep.
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insert into gist_point_tbl (id, p)
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select g, point(g*10, g*10) from generate_series(1, 10000) g;
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insert into gist_point_tbl (id, p)
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select g+100000, point(g*10+1, g*10+1) from generate_series(1, 10000) g;
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-- To test vacuum, delete some entries from all over the index.
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delete from gist_point_tbl where id % 2 = 1;
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-- And also delete some concentration of values. (GiST doesn't currently
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-- attempt to delete pages even when they become empty, but if it did, this
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-- would exercise it)
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delete from gist_point_tbl where id < 10000;
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vacuum gist_point_tbl;
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