mirror of
https://github.com/postgres/postgres.git
synced 2026-03-18 00:22:18 -04:00
88fc719263
That includes VACUUM on GIN, GiST and SP-GiST indexes, and B-tree indexes large enough to cause page deletions in B-tree. Plus some other special cases. After this patch, the regression tests generate all different WAL record types. Not all branches within the redo functions are covered, but it's a step forward.
25 lines
897 B
SQL
25 lines
897 B
SQL
--
|
|
-- Test GiST indexes.
|
|
--
|
|
-- There are other tests to test different GiST opclasses. This is for
|
|
-- testing GiST code itself. Vacuuming in particular.
|
|
|
|
create table gist_point_tbl(id int4, p point);
|
|
create index gist_pointidx on gist_point_tbl using gist(p);
|
|
|
|
-- Insert enough data to create a tree that's a couple of levels deep.
|
|
insert into gist_point_tbl (id, p)
|
|
select g, point(g*10, g*10) from generate_series(1, 10000) g;
|
|
|
|
insert into gist_point_tbl (id, p)
|
|
select g+100000, point(g*10+1, g*10+1) from generate_series(1, 10000) g;
|
|
|
|
-- To test vacuum, delete some entries from all over the index.
|
|
delete from gist_point_tbl where id % 2 = 1;
|
|
|
|
-- And also delete some concentration of values. (GiST doesn't currently
|
|
-- attempt to delete pages even when they become empty, but if it did, this
|
|
-- would exercise it)
|
|
delete from gist_point_tbl where id < 10000;
|
|
|
|
vacuum gist_point_tbl;
|