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Merge 10.1 into 10.2

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Marko Mäkelä
2020-05-26 13:01:34 +03:00
parent fbcfbb0e1c adbf85fc89
commit 6a26e0c719
6 changed files with 49 additions and 0 deletions
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15
mysql-test/r/selectivity_innodb.result
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@ -1881,6 +1881,21 @@ id select_type table type possible_keys key key_len ref rows Extra
set optimizer_switch= @save_optimizer_switch;
set optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity;
drop table t1,t2;
#
# MDEV-21495: Conditional jump or move depends on uninitialised value in sel_arg_range_seq_next
#
CREATE TABLE t1(a INT, b INT);
INSERT INTO t1 SELECT seq, seq from seq_1_to_100;
set optimizer_use_condition_selectivity=4;
ANALYZE TABLE t1 PERSISTENT FOR ALL;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
SELECT * from t1 WHERE a = 5 and b = 5;
a b
5 5
set optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity;
drop table t1;
# End of 10.1 tests
set @@global.histogram_size=@save_histogram_size;
set optimizer_switch=@save_optimizer_switch_for_selectivity_test;