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Merge 10.2 into 10.3

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This commit is contained in:
Marko Mäkelä
2021-03-18 12:34:48 +02:00
parent eb7c5530ec c557e9540a
commit 19052b6deb
244 changed files with 5158 additions and 6822 deletions
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36
mysql-test/main/join_cache.test
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@@ -4015,6 +4015,41 @@ drop table t1, t2;
set join_buffer_size=@save_join_buffer_size;
--echo #
--echo # MDEV-21104: BNLH used for multi-join query with embedded outer join
--echo # and possible 'not exists' optimization
--echo #
set join_cache_level=4;
CREATE TABLE t1 (a int) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2 (b int, c int) ENGINE=MyISAM;
INSERT INTO t2 VALUES (1,2),(2,4);
CREATE TABLE t3 (d int, KEY(d)) ENGINE=MyISAM;
INSERT INTO t3 VALUES (1),(2);
CREATE TABLE t4 (e int primary key) ENGINE=MyISAM;
INSERT INTO t4 VALUES (1),(2);
ANALYZE TABLE t1,t2,t3,t4;
SELECT * FROM t2 LEFT JOIN t3 ON c = d;
SELECT * FROM (t2 LEFT JOIN t3 ON c = d ) JOIN t4;
let $q1=
SELECT * FROM t1 LEFT JOIN ( ( t2 LEFT JOIN t3 ON c = d ) JOIN t4 ) ON b = e;
eval EXPLAIN $q1;
eval $q1;
let $q2=
SELECT * FROM t1 LEFT JOIN ( ( t2 LEFT JOIN t3 ON c = d ) JOIN t4 ) ON b = e
WHERE e IS NULL;
eval EXPLAIN $q2;
eval $q2;
DROP TABLE t1,t2,t3,t4;
set join_cache_level=@save_join_cache_level;
--echo #
--echo # MDEV-21243: Join buffer: condition is checked in wrong place for range access
--echo #
@@ -4054,5 +4089,6 @@ where
drop table t1,t2,t3;
--echo # End of 10.3 tests
# The following command must be the last one in the file
set @@optimizer_switch=@save_optimizer_switch;