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MDEV-15571 Wrong results with big_tables=1 and CTE

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The cause of this bug was the same as for the bug mdev-15575.
Fixed by the patch for the latter.
This commit is contained in:
Igor Babaev 2018-04-16 08:55:15 -07:00
parent 224f7af911
commit 612850782d
2 changed files with 30 additions and 0 deletions
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13
mysql-test/r/cte_recursive.result
View file

@ -3080,3 +3080,16 @@ a
129
130
set big_tables=default;
#
# MDEV-1571: Setting user variable in recursive CTE
#
set big_tables=1;
with recursive qn as
(
select 1 as a from dual
union all
select a*2000 from qn where a<10000000000000000000
)
select * from qn;
ERROR 22003: BIGINT value is out of range in '`qn`.`a` * 2000'
set big_tables=default;

17
mysql-test/t/cte_recursive.test
View file

@ -2109,3 +2109,20 @@ with recursive qn as
select * from qn;
set big_tables=default;
--echo #
--echo # MDEV-1571: Setting user variable in recursive CTE
--echo #
set big_tables=1;
--error ER_DATA_OUT_OF_RANGE
with recursive qn as
(
select 1 as a from dual
union all
select a*2000 from qn where a<10000000000000000000
)
select * from qn;
set big_tables=default;