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Fix tests: avoid query plan with identical costs

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This commit is contained in:
Sergei Petrunia
2022-09-19 19:59:00 +03:00
parent 2a79abcd12
commit d9d9c90a3d
4 changed files with 51 additions and 29 deletions
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6
mysql-test/main/selectivity.test
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@ -67,7 +67,9 @@ customer, lineitem, nation, orders, part, partsupp, region, supplier;
--enable_query_log
--echo === Q2 ===
# "or p_size =19999" is added to avoid symmetry between
# region (5 rows * 20% selectivity) = 1 and
# part (200 rows * 0.5% selectivity) = 1
set optimizer_use_condition_selectivity=5;
explain extended
select
@ -77,7 +79,7 @@ from
where
p_partkey = ps_partkey
and s_suppkey = ps_suppkey
and p_size = 9
and (p_size = 9 or p_size =19999)
and p_type like '%TIN'
and s_nationkey = n_nationkey
and n_regionkey = r_regionkey