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Test hypopg.enabled GUC

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This commit is contained in:
Julien Rouhaud 2015-09-14 17:49:33 +02:00
parent 7842f2d06e
commit 079a4f7610
2 changed files with 34 additions and 0 deletions
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20
expected/hypopg.out
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@ -105,6 +105,26 @@ ORDER BY indexrelid;
4120 kB
(3 rows)
-- locally disable hypoopg
SET hypopg.enabled to false;
-- no hypothetical index should be used
SELECT COUNT(*) FROM do_explain('SELECT * FROM hypo WHERE id = 1') e
WHERE e ~ 'Index.*<\d+>btree_hypo.*';
count
-------
0
(1 row)
-- locally re-enable hypoopg
SET hypopg.enabled to true;
-- hypothetical index should be used
SELECT COUNT(*) FROM do_explain('SELECT * FROM hypo WHERE id = 1') e
WHERE e ~ 'Index.*<\d+>btree_hypo.*';
count
-------
1
(1 row)
-- Remove one hypothetical index
SELECT hypopg_drop_index(indexrelid) FROM hypopg() ORDER BY indexrelid LIMIT 1;
hypopg_drop_index

14
test/sql/hypopg.sql
View file

@ -70,6 +70,20 @@ SELECT pg_size_pretty(hypopg_relation_size(indexrelid))
FROM hypopg()
ORDER BY indexrelid;
-- locally disable hypoopg
SET hypopg.enabled to false;
-- no hypothetical index should be used
SELECT COUNT(*) FROM do_explain('SELECT * FROM hypo WHERE id = 1') e
WHERE e ~ 'Index.*<\d+>btree_hypo.*';
-- locally re-enable hypoopg
SET hypopg.enabled to true;
-- hypothetical index should be used
SELECT COUNT(*) FROM do_explain('SELECT * FROM hypo WHERE id = 1') e
WHERE e ~ 'Index.*<\d+>btree_hypo.*';
-- Remove one hypothetical index
SELECT hypopg_drop_index(indexrelid) FROM hypopg() ORDER BY indexrelid LIMIT 1;