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Merge magare.gmz:/home/kgeorge/mysql/work/B34747-5.0-opt

Browse Source 
into  magare.gmz:/home/kgeorge/mysql/work/B34747-5.1-opt


libmysql/libmysql.c:
  Auto merged
libmysqld/lib_sql.cc:
  Auto merged
mysql-test/r/func_gconcat.result:
  Auto merged
mysql-test/t/func_gconcat.test:
  Auto merged
sql/item_sum.cc:
  Auto merged
sql/log.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
mysql-test/r/subselect.result:
  merged bug 34747 and 33266 5.0-opt->5.1-opt
mysql-test/t/subselect.test:
  merged bug 34747 and 33266 5.0-opt->5.1-opt
This commit is contained in:
unknown
2008-02-28 15:45:54 +02:00
parent 9c0ee58fc4 f28612eae2
commit 9a19de7a7f
4 changed files with 79 additions and 1 deletions
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15
mysql-test/r/func_gconcat.result
View File

@ -937,4 +937,19 @@ SELECT GROUP_CONCAT(DISTINCT b, a ORDER BY b) FROM t1;
GROUP_CONCAT(DISTINCT b, a ORDER BY b)
11,22,32
DROP TABLE t1, t2, t3;
CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES (),();
SELECT s1.d1 FROM
(
SELECT
t1.a as d1,
GROUP_CONCAT(DISTINCT t1.a) AS d2
FROM
t1 AS t1,
t1 AS t2
GROUP BY 1
) AS s1;
d1
NULL
DROP TABLE t1;
End of 5.0 tests

17
mysql-test/t/func_gconcat.test
View File

@ -640,4 +640,21 @@ SELECT GROUP_CONCAT(DISTINCT b, a ORDER BY b) FROM t1;
DROP TABLE t1, t2, t3;
#
# Bug #34747: crash in debug assertion check after derived table
#
CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES (),();
SELECT s1.d1 FROM
(
SELECT
t1.a as d1,
GROUP_CONCAT(DISTINCT t1.a) AS d2
FROM
t1 AS t1,
t1 AS t2
GROUP BY 1
) AS s1;
DROP TABLE t1;
--echo End of 5.0 tests

46
mysql-test/t/subselect.test
View File

@ -3015,6 +3015,52 @@ INSERT INTO t2 VALUES (103, 203);
SELECT ((a1,a2) IN (SELECT * FROM t2 WHERE b2 > 0)) IS NULL FROM t1;
DROP TABLE t1, t2;
#
# Bug31048: Many nested subqueries may cause server crash.
#
create table t1(a int,b int,key(a),key(b));
insert into t1(a,b) values (1,2),(2,1),(2,3),(3,4),(5,4),(5,5),
(6,7),(7,4),(5,3);
let $nesting= 26;
let $should_work_nesting= 5;
let $start= select sum(a),a from t1 where a> ( select sum(a) from t1 ;
let $end= )group by a ;
let $start_app= where a> ( select sum(a) from t1 ;
let $end_pre= )group by b limit 1 ;
--disable_result_log
--disable_query_log
# At least 4 level nesting should work without errors
while ($should_work_nesting)
{
--echo $should_work_nesting
eval $start $end;
eval explain $start $end;
let $start= $start
$start_app;
let $end= $end_pre
$end;
dec $should_work_nesting;
}
# Other may fail with the 'stack overrun error'
while ($nesting)
{
--echo $nesting
--error 0,1436
eval $start $end;
--error 0,1436
eval explain $start $end;
let $start= $start
$start_app;
let $end= $end_pre
$end;
dec $nesting;
}
--enable_result_log
--enable_query_log
drop table t1;
#
# Bug #28076: inconsistent binary/varbinary comparison
#

2
sql/item_sum.cc
View File

@ -3494,6 +3494,6 @@ void Item_func_group_concat::print(String *str)
Item_func_group_concat::~Item_func_group_concat()
{
if (unique_filter)
if (!original && unique_filter)
delete unique_filter;
}