1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
--source include/have_debug.inc
--source include/not_embedded.inc
#
# Bug #28499: crash for grouping query when tmp_table_size is too small
#
CREATE TABLE t1 (
a varchar(32) character set utf8 collate utf8_bin NOT NULL,
b varchar(32) character set utf8 collate utf8_bin NOT NULL )
ENGINE=MyISAM DEFAULT CHARSET=utf8;
INSERT INTO t1 VALUES
('AAAAAAAAAA','AAAAAAAAAA'), ('AAAAAAAAAB','AAAAAAAAAB '),
('AAAAAAAAAB','AAAAAAAAAB'), ('AAAAAAAAAC','AAAAAAAAAC'),
('AAAAAAAAAD','AAAAAAAAAD'), ('AAAAAAAAAE','AAAAAAAAAE'),
('AAAAAAAAAF','AAAAAAAAAF'), ('AAAAAAAAAG','AAAAAAAAAG'),
('AAAAAAAAAH','AAAAAAAAAH'), ('AAAAAAAAAI','AAAAAAAAAI'),
('AAAAAAAAAJ','AAAAAAAAAJ'), ('AAAAAAAAAK','AAAAAAAAAK');
set tmp_table_size=1024;
# Set debug flag so an error is returned when
# tmp table in query is converted from heap to myisam
set session debug_dbug="+d,raise_error";
--error ER_DUP_KEY
SELECT MAX(a) FROM t1 GROUP BY a,b;
set tmp_table_size=default;
DROP TABLE t1;
--echo #
--echo # Bug #50946: fast index creation still seems to copy the table
--echo #
CREATE TABLE t1 (a INT(100) NOT NULL);
INSERT INTO t1 VALUES (1), (0), (2);
SET SESSION debug_dbug='+d,alter_table_only_index_change';
ALTER TABLE t1 ADD INDEX a(a);
SET SESSION debug_dbug=DEFAULT;
SHOW CREATE TABLE t1;
SELECT * FROM t1;
DROP TABLE t1;
--echo #
--echo # Bug#42064: low memory crash when importing hex strings, in Item_hex_string::Item_hex_string
--echo #
CREATE TABLE t1(a BLOB);
SET SESSION debug_dbug="+d,bug42064_simulate_oom";
# May fail with either ER_OUT_OF_RESOURCES or EE_OUTOFMEMORY
--error ER_OUT_OF_RESOURCES, 5
INSERT INTO t1 VALUES("");
SET SESSION debug_dbug=DEFAULT;
DROP TABLE t1;
-- echo #
-- echo # Bug#41660: Sort-index_merge for non-first join table may require
-- echo # O(#scans) memory
-- echo #
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');
--echo # the example query uses LEFT JOIN only for the sake of being able to
--echo # demonstrate the issue with a very small dataset. (left outer join
--echo # disables the use of join buffering, so we get the second table
--echo # re-scanned for every record in the outer table. if we used inner join,
--echo # we would need to have thousands of records and/or more columns in both
--echo # tables so that the join buffer is filled and re-scans are triggered).
SET @save_optimizer_switch=@@optimizer_switch;
SET optimizer_switch='outer_join_with_cache=off';
SET SESSION debug_dbug= '+d,only_one_Unique_may_be_created';
--replace_column 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x
EXPLAIN
SELECT * FROM t1 LEFT JOIN t2 ON ( t2.a < 10 OR t2.b < 10 );
SELECT * FROM t1 LEFT JOIN t2 ON ( t2.a < 10 OR t2.b < 10 );
SET SESSION debug_dbug= DEFAULT;
SET optimizer_switch=@save_optimizer_switch;
DROP TABLE t1, t2;
--echo #
--echo # Bug#11747970 34660: CRASH WHEN FEDERATED TABLE LOSES CONNECTION DURING INSERT ... SELECT
--echo #
CREATE TABLE t1(f1 INT, KEY(f1));
CREATE TABLE t2(f1 INT);
INSERT INTO t1 VALUES (1),(2);
INSERT INTO t2 VALUES (1),(2);
SET SESSION debug_dbug="+d,bug11747970_raise_error";
--error ER_QUERY_INTERRUPTED
INSERT IGNORE INTO t2 SELECT f1 FROM t1 a WHERE NOT EXISTS (SELECT 1 FROM t2 b WHERE a.f1 = b.f1);
SET SESSION debug_dbug = DEFAULT;
DROP TABLE t1,t2;
--echo #
--echo # End of 5.1 tests
--echo #
--echo #
--echo # BUG#11747548:DETECT ORPHAN TEMP-POOL FILES, AND HANDLE GRACEFULLY.
--echo #
--echo #Set up.
CREATE TABLE pid_table(pid_no INT);
CREATE TABLE t1 (a BLOB);
INSERT INTO t1 VALUES (1), (2);
--echo #Create MYD and MYI files for intrinsic temp table.
--let $pid_file=`SELECT @@pid_file`
--replace_result $pid_file pid_file
--eval LOAD DATA LOCAL INFILE '$pid_file' INTO TABLE pid_table
--let $temp_file= `SELECT CONCAT('#sql_', LCASE(HEX(pid_no)), '_0') FROM pid_table`
--write_file $MYSQLTEST_VARDIR/tmp/$temp_file.MYD
EOF
--write_file $MYSQLTEST_VARDIR/tmp/$temp_file.MYI
EOF
--write_file $MYSQLTEST_VARDIR/tmp/$temp_file.MAD
EOF
--write_file $MYSQLTEST_VARDIR/tmp/$temp_file.MAI
EOF
--echo #Reports an error since the temp file already exists.
--replace_regex /.*Can't create\/write *.*/Can't create or write to file/
#--error 1
SELECT a FROM t1 ORDER BY rand(1);
--echo #With patch, the query executes successfully.
SELECT a FROM t1 ORDER BY rand(1);
--echo #cleanup
DROP TABLE t1, pid_table;
--echo #
--echo # MDEV-12416 OOM in create_virtual_tmp_table() makes the server crash
--echo #
CREATE FUNCTION f1(a INT) RETURNS INT RETURN a;
SET SESSION debug_dbug="+d,simulate_create_virtual_tmp_table_out_of_memory";
# May fail with either ER_OUT_OF_RESOURCES or EE_OUTOFMEMORY
--error ER_OUT_OF_RESOURCES, 5
SELECT f1(1);
DROP FUNCTION f1;
SET SESSION debug_dbug=DEFAULT;
|
