diff options
Diffstat (limited to 'mysql-test/r/index_merge_myisam.result')
| -rw-r--r-- | mysql-test/r/index_merge_myisam.result | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/mysql-test/r/index_merge_myisam.result b/mysql-test/r/index_merge_myisam.result index 8a935d87457..c639b20de91 100644 --- a/mysql-test/r/index_merge_myisam.result +++ b/mysql-test/r/index_merge_myisam.result @@ -557,6 +557,30 @@ a 1 2 drop table t0, t1, t2, t3; +# +# BUG#44810: index merge and order by with low sort_buffer_size +# crashes server! +# +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; +Warnings: +Warning 1292 Truncated incorrect sort_buffer_size value: '1' +EXPLAIN +SELECT * FROM t1 FORCE INDEX(a,b) WHERE a LIKE 'a%' OR b LIKE 'b%' +ORDER BY a,b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge a,b a,b 131,131 NULL 64 Using sort_union(a,b); Using where; Using filesort +SELECT * FROM t1 FORCE INDEX(a,b) WHERE a LIKE 'a%' OR b LIKE 'b%' +ORDER BY a,b; +SET SESSION sort_buffer_size=DEFAULT; +DROP TABLE t1; End of 5.0 tests #---------------- ROR-index_merge tests ----------------------- SET SESSION STORAGE_ENGINE = MyISAM; |