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Merge branch '10.2' into 10.3

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Oleksandr Byelkin
2019-05-12 17:20:23 +02:00
parent a89f199c64 8ce702aa90
commit c51f85f882
255 changed files with 3975 additions and 1186 deletions
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33
mysql-test/main/func_gconcat.test
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@ -1,9 +1,7 @@
#
# simple test of group_concat function
#
--disable_warnings
drop table if exists t1, t2;
--enable_warnings
source include/have_sequence.inc;
create table t1 (grp int, a bigint unsigned, c char(10) not null, d char(10) not null);
insert into t1 values (1,1,"a","a");
@ -874,6 +872,35 @@ SELECT LENGTH(GROUP_CONCAT(f1 ORDER BY f2)) FROM t1 GROUP BY f2;
DROP TABLE t1;
SET group_concat_max_len= DEFAULT;
#
# MDEV-9531 GROUP_CONCAT with ORDER BY inside takes a lot of memory while it's executed
#
set session group_concat_max_len=1024;
set max_session_mem_used=16*1024*1024; # 8M..32M
SELECT GROUP_CONCAT(concat(seq/1.1), concat(seq/1.1), concat(seq/1.1), concat(seq/1.1), concat(seq/1.1), concat(seq/1.1), concat(seq/1.1), concat(seq/1.1) ORDER BY 2,1,3,4,6,5,8,7) AS c
FROM seq_1_to_200000;
set max_session_mem_used=default;
set session group_concat_max_len=default;
#
# MDEV-19350 Server crashes in delete_tree_element / ... / Item_func_group_concat::repack_tree
#
SET group_concat_max_len= 8;
CREATE TABLE t1 (a INT);
INSERT t1 VALUES (1),(2);
CREATE TABLE t2 (b DATE, c INT);
INSERT t2 VALUES ('2019-12-04',1),('2020-03-28',2);
CREATE TABLE t3 (d INT);
INSERT t3 VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12),(13),(14);
CREATE TABLE t4 (e INT);
INSERT t4 VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12),(13),(14),(15);
SELECT (SELECT MAX(a) FROM t1 WHERE t2_sq.c > 0) AS f,
GROUP_CONCAT(t2_sq.b ORDER BY 1) AS gc
FROM (SELECT t2_a.* FROM t2 AS t2_a, t2 AS t2_b) AS t2_sq, t3, t4
GROUP BY f;
DROP TABLE t1, t2, t3, t4;
SET group_concat_max_len= default;
--echo #
--echo # Start of 10.2 tests