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Diffstat (limited to 'mysql-test/r/error_simulation.result')
| -rw-r--r-- | mysql-test/r/error_simulation.result | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/mysql-test/r/error_simulation.result b/mysql-test/r/error_simulation.result index 27e51a33112..b6b79cb596b 100644 --- a/mysql-test/r/error_simulation.result +++ b/mysql-test/r/error_simulation.result @@ -39,5 +39,49 @@ a 2 DROP TABLE t1; # +# Bug#42064: low memory crash when importing hex strings, in Item_hex_string::Item_hex_string +# +CREATE TABLE t1(a BLOB); +SET SESSION debug="+d,bug42064_simulate_oom"; +INSERT INTO t1 VALUES(""); +Got one of the listed errors +SET SESSION debug=DEFAULT; +DROP TABLE t1; +# +# Bug#41660: Sort-index_merge for non-first join table may require +# O(#scans) memory +# +CREATE TABLE t1 (a INT); +INSERT INTO t1 VALUES (0), (1), (2), (3), (4), (5), (6), (7), (8), (9); +CREATE TABLE t2 (a INT, b INT, filler CHAR(100), KEY(a), KEY(b)); +INSERT INTO t2 SELECT 1000, 1000, 'filler' FROM t1 A, t1 B, t1 C; +INSERT INTO t2 VALUES (1, 1, 'data'); +# the example query uses LEFT JOIN only for the sake of being able to +# demonstrate the issue with a very small dataset. (left outer join +# disables the use of join buffering, so we get the second table +# re-scanned for every record in the outer table. if we used inner join, +# we would need to have thousands of records and/or more columns in both +# tables so that the join buffer is filled and re-scans are triggered). +SET SESSION debug = '+d,only_one_Unique_may_be_created'; +EXPLAIN +SELECT * FROM t1 LEFT JOIN t2 ON ( t2.a < 10 OR t2.b < 10 ); +id select_type table type possible_keys key key_len ref rows Extra +x x x x x x x x x +x x x x x x x x x Using sort_union(a,b); Using where +SELECT * FROM t1 LEFT JOIN t2 ON ( t2.a < 10 OR t2.b < 10 ); +a a b filler +0 1 1 data +1 1 1 data +2 1 1 data +3 1 1 data +4 1 1 data +5 1 1 data +6 1 1 data +7 1 1 data +8 1 1 data +9 1 1 data +SET SESSION debug = DEFAULT; +DROP TABLE t1, t2; +# # End of 5.1 tests # |