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MDEV-4677 GROUP_CONCAT not showing any output with group_concat_max_len >= 4Gb

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don't allow group_concat_max_len values >= 4Gb
(they never worked anyway)
This commit is contained in:
Sergei Golubchik
2020-11-11 15:51:18 +01:00
parent e189faf0b3
commit f6e91552f0
10 changed files with 41 additions and 18 deletions
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10
mysql-test/t/func_gconcat.test
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@ -939,6 +939,16 @@ DROP VIEW v1;
DROP TABLE t1;
--echo #
--echo # MDEV-4677 GROUP_CONCAT not showing any output with group_concat_max_len >= 4Gb
--echo #
set group_concat_max_len=1024*1024*1024*4;
create table t1 (i int, j int);
insert into t1 values (1,1),(1,2);
select i, group_concat(j) from t1 group by i;
drop table t1;
--echo #
--echo # End of 10.2 tests
--echo #