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mirror of https://github.com/MariaDB/server.git synced 2025-08-08 11:22:35 +03:00

Merge 10.9 into 10.10

This commit is contained in:
Marko Mäkelä
2022-05-25 09:15:08 +03:00
457 changed files with 14601 additions and 3153 deletions

View File

@@ -94,4 +94,58 @@ DROP TABLE t1;
disconnect test_con2;
disconnect test_con1;
connection default;
CREATE TABLE t1(val VARCHAR(100) PRIMARY KEY) CHARACTER SET utf8mb4 COLLATE utf8mb4_danish_ci;
INSERT INTO t1 VALUES('bar');
INSERT INTO t1 VALUES('foo');
SET group_concat_max_len = 1073741823;
SHOW VARIABLES LIKE 'group_concat_max_len';
Variable_name Value
group_concat_max_len 1073741823
SELECT GROUP_CONCAT(val) AS simple FROM t1;
simple
bar,foo
SELECT * FROM ( SELECT GROUP_CONCAT(val) AS nested FROM t1) As tmp;
nested
bar,foo
SET group_concat_max_len = 1073741824;
SHOW VARIABLES LIKE 'group_concat_max_len';
Variable_name Value
group_concat_max_len 1073741824
SELECT GROUP_CONCAT(val) AS simple FROM t1;
simple
bar,foo
SELECT * FROM ( SELECT GROUP_CONCAT(val) AS nested FROM t1) As tmp;
nested
bar,foo
SET group_concat_max_len = 1073741825;
SHOW VARIABLES LIKE 'group_concat_max_len';
Variable_name Value
group_concat_max_len 1073741825
SELECT GROUP_CONCAT(val) AS simple FROM t1;
simple
bar,foo
SELECT * FROM ( SELECT GROUP_CONCAT(val) AS nested FROM t1) As tmp;
nested
bar,foo
SET group_concat_max_len = 1073741826;
SHOW VARIABLES LIKE 'group_concat_max_len';
Variable_name Value
group_concat_max_len 1073741826
SELECT GROUP_CONCAT(val) AS simple FROM t1;
simple
bar,foo
SELECT * FROM ( SELECT GROUP_CONCAT(val) AS nested FROM t1) As tmp;
nested
bar,foo
SET group_concat_max_len = 2147483649;
SHOW VARIABLES LIKE 'group_concat_max_len';
Variable_name Value
group_concat_max_len 2147483649
SELECT GROUP_CONCAT(val) AS simple FROM t1;
simple
bar,foo
SELECT * FROM ( SELECT GROUP_CONCAT(val) AS nested FROM t1) As tmp;
nested
bar,foo
DROP TABLE t1;
SET @@global.group_concat_max_len = @save;