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authorGeorgi Kodinov <joro@sun.com>2009-06-15 17:36:51 +0300
committerGeorgi Kodinov <joro@sun.com>2009-06-15 17:36:51 +0300
commit3fe572dd062741a407b749b3529b9eccecca5003 (patch)
treec629048eb6a2e05db4c7b3e0049dbd72427ede71 /mysql-test/include
parent1ad8016974bab985781041bd791f9f97a294d998 (diff)
parentb1560b9f2f0c8d64e256a7305e066df161f8d10d (diff)
downloadmariadb-git-3fe572dd062741a407b749b3529b9eccecca5003.tar.gz
automerge
Diffstat (limited to 'mysql-test/include')
-rw-r--r--mysql-test/include/index_merge1.inc26
1 files changed, 26 insertions, 0 deletions
diff --git a/mysql-test/include/index_merge1.inc b/mysql-test/include/index_merge1.inc
index 5837df67a75..d137b0957c0 100644
--- a/mysql-test/include/index_merge1.inc
+++ b/mysql-test/include/index_merge1.inc
@@ -527,4 +527,30 @@ where exists (select 1 from t2, t3
drop table t0, t1, t2, t3;
+--echo #
+--echo # BUG#44810: index merge and order by with low sort_buffer_size
+--echo # crashes server!
+--echo #
+CREATE TABLE t1(a VARCHAR(128),b VARCHAR(128),KEY(A),KEY(B));
+INSERT INTO t1 VALUES (REPEAT('a',128),REPEAT('b',128));
+INSERT INTO t1 SELECT * FROM t1;
+INSERT INTO t1 SELECT * FROM t1;
+INSERT INTO t1 SELECT * FROM t1;
+INSERT INTO t1 SELECT * FROM t1;
+INSERT INTO t1 SELECT * FROM t1;
+INSERT INTO t1 SELECT * FROM t1;
+SET SESSION sort_buffer_size=1;
+EXPLAIN
+SELECT * FROM t1 FORCE INDEX(a,b) WHERE a LIKE 'a%' OR b LIKE 'b%'
+ ORDER BY a,b;
+# we don't actually care about the result : we're checking if it crashes
+--disable_result_log
+SELECT * FROM t1 FORCE INDEX(a,b) WHERE a LIKE 'a%' OR b LIKE 'b%'
+ ORDER BY a,b;
+--enable_result_log
+
+SET SESSION sort_buffer_size=DEFAULT;
+DROP TABLE t1;
+
+
--echo End of 5.0 tests