This file is indexed.

/usr/lib/mysql-testsuite/r/kill.result is in percona-server-test-5.6 5.6.22-rel71.0-0ubuntu4.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
SET DEBUG_SYNC = 'RESET';
DROP TABLE IF EXISTS t1, t2, t3;
DROP FUNCTION IF EXISTS MY_KILL;
CREATE FUNCTION MY_KILL(tid INT) RETURNS INT
BEGIN
DECLARE CONTINUE HANDLER FOR SQLEXCEPTION BEGIN END;
KILL tid;
RETURN (SELECT COUNT(*) = 0 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE ID = tid);
END|
SET DEBUG_SYNC= 'thread_end SIGNAL con1_end';
SET DEBUG_SYNC= 'before_do_command_net_read SIGNAL con1_read';
SET DEBUG_SYNC='now WAIT_FOR con1_read';
SET DEBUG_SYNC= 'now WAIT_FOR con1_end';
SET DEBUG_SYNC = 'RESET';
SELECT 1;
Got one of the listed errors
SELECT 1;
1
1
SELECT @id != CONNECTION_ID();
@id != CONNECTION_ID()
1
SELECT 4;
4
4
KILL (SELECT COUNT(*) FROM mysql.user);
ERROR 42000: This version of MySQL doesn't yet support 'Usage of subqueries or stored function calls as part of this statement'
SET DEBUG_SYNC= 'thread_end SIGNAL con1_end';
SET DEBUG_SYNC= 'before_do_command_net_read SIGNAL con1_read WAIT_FOR kill';
SET DEBUG_SYNC= 'now WAIT_FOR con1_read';
SET DEBUG_SYNC= 'now WAIT_FOR con1_end';
SET DEBUG_SYNC = 'RESET';
SELECT 1;
Got one of the listed errors
SELECT 1;
1
1
SELECT @id != CONNECTION_ID();
@id != CONNECTION_ID()
1
SELECT 4;
4
4
CREATE TABLE t1 (id INT PRIMARY KEY AUTO_INCREMENT);
CREATE TABLE t2 (id INT UNSIGNED NOT NULL);
INSERT INTO t1 VALUES
(0),(0),(0),(0),(0),(0),(0),(0), (0),(0),(0),(0),(0),(0),(0),(0),
(0),(0),(0),(0),(0),(0),(0),(0), (0),(0),(0),(0),(0),(0),(0),(0),
(0),(0),(0),(0),(0),(0),(0),(0), (0),(0),(0),(0),(0),(0),(0),(0),
(0),(0),(0),(0),(0),(0),(0),(0), (0),(0),(0),(0),(0),(0),(0),(0);
INSERT t1 SELECT 0 FROM t1 AS a1, t1 AS a2 LIMIT 4032;
INSERT INTO t2 SELECT id FROM t1;
SET DEBUG_SYNC= 'thread_end SIGNAL con1_end';
SET DEBUG_SYNC= 'before_acos_function SIGNAL in_sync';
SELECT id FROM t1 WHERE id IN
(SELECT DISTINCT a.id FROM t2 a, t2 b, t2 c, t2 d
GROUP BY ACOS(1/a.id), b.id, c.id, d.id
HAVING a.id BETWEEN 10 AND 20);
SET DEBUG_SYNC= 'now WAIT_FOR in_sync';
KILL @id;
SET DEBUG_SYNC= 'now WAIT_FOR con1_end';
Got one of the listed errors
SELECT 1;
1
1
SET DEBUG_SYNC = 'RESET';
DROP TABLE t1, t2;
SET DEBUG_SYNC= 'before_acos_function SIGNAL in_sync WAIT_FOR kill';
SELECT ACOS(0);
SET DEBUG_SYNC= 'now WAIT_FOR in_sync';
KILL QUERY @id;
ACOS(0)
1.5707963267948966
SELECT 1;
1
1
SELECT @id = CONNECTION_ID();
@id = CONNECTION_ID()
1
SET DEBUG_SYNC = 'RESET';
CREATE TABLE t1 (f1 INT);
CREATE FUNCTION bug27563() RETURNS INT(11)
DETERMINISTIC
BEGIN
DECLARE CONTINUE HANDLER FOR SQLSTATE '70100' SET @a:= 'killed';
DECLARE CONTINUE HANDLER FOR SQLEXCEPTION SET @a:= 'exception';
SET DEBUG_SYNC= 'now SIGNAL in_sync WAIT_FOR kill';
RETURN 1;
END|
INSERT INTO t1 VALUES (bug27563());
SET DEBUG_SYNC= 'now WAIT_FOR in_sync';
KILL QUERY @id;
ERROR 70100: Query execution was interrupted
SELECT * FROM t1;
f1
SET DEBUG_SYNC = 'RESET';
INSERT INTO t1 VALUES(0);
UPDATE t1 SET f1= bug27563();
SET DEBUG_SYNC= 'now WAIT_FOR in_sync';
KILL QUERY @id;
ERROR 70100: Query execution was interrupted
SELECT * FROM t1;
f1
0
SET DEBUG_SYNC = 'RESET';
INSERT INTO t1 VALUES(1);
DELETE FROM t1 WHERE bug27563() IS NULL;
SET DEBUG_SYNC= 'now WAIT_FOR in_sync';
KILL QUERY @id;
ERROR 70100: Query execution was interrupted
SELECT * FROM t1;
f1
0
1
SET DEBUG_SYNC = 'RESET';
SELECT * FROM t1 WHERE f1= bug27563();
SET DEBUG_SYNC= 'now WAIT_FOR in_sync';
KILL QUERY @id;
ERROR 70100: Query execution was interrupted
SELECT * FROM t1;
f1
0
1
SET DEBUG_SYNC = 'RESET';
DROP FUNCTION bug27563;
CREATE TABLE t2 (f2 INT);
CREATE TRIGGER trg27563 BEFORE INSERT ON t1 FOR EACH ROW
BEGIN
DECLARE CONTINUE HANDLER FOR SQLSTATE '70100' SET @a:= 'killed';
DECLARE CONTINUE HANDLER FOR SQLEXCEPTION SET @a:= 'exception';
INSERT INTO t2 VALUES(0);
SET DEBUG_SYNC= 'now SIGNAL in_sync WAIT_FOR kill';
INSERT INTO t2 VALUES(1);
END|
INSERT INTO t1 VALUES(2),(3);
SET DEBUG_SYNC= 'now WAIT_FOR in_sync';
KILL QUERY @id;
ERROR 70100: Query execution was interrupted
SELECT * FROM t1;
f1
0
1
SELECT * FROM t2;
f2
0
SET DEBUG_SYNC = 'RESET';
DROP TABLE t1, t2;
SET DEBUG_SYNC= 'before_join_optimize SIGNAL in_sync';
PREPARE stmt FROM 'EXPLAIN SELECT * FROM t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14,t15,t16,t17,t18,t19,t20,t21,t22,t23,t24,t25,t26,t27,t28,t29,t30,t31,t32,t33,t34,t35,t36,t37,t38,t39,t40 WHERE a1=a2 AND a2=a3 AND a3=a4 AND a4=a5 AND a5=a6 AND a6=a7 AND a7=a8 AND a8=a9 AND a9=a10 AND a10=a11 AND a11=a12 AND a12=a13 AND a13=a14 AND a14=a15 AND a15=a16 AND a16=a17 AND a17=a18 AND a18=a19 AND a19=a20 AND a20=a21 AND a21=a22 AND a22=a23 AND a23=a24 AND a24=a25 AND a25=a26 AND a26=a27 AND a27=a28 AND a28=a29 AND a29=a30 AND a30=a31 AND a31=a32 AND a32=a33 AND a33=a34 AND a34=a35 AND a35=a36 AND a36=a37 AND a37=a38 AND a38=a39 AND a39=a40  ';
EXECUTE stmt;
SET DEBUG_SYNC= 'now WAIT_FOR in_sync';
KILL QUERY @id;
ERROR 70100: Query execution was interrupted
SET DEBUG_SYNC = 'RESET';
#
# Bug#19723: kill of active connection yields different error code
# depending on platform.
#

# Connection: con1.
SET DEBUG_SYNC= 'thread_end SIGNAL con1_end';
KILL @id;
ERROR 70100: Query execution was interrupted
SET DEBUG_SYNC= 'now WAIT_FOR con1_end';
# ER_SERVER_SHUTDOWN, CR_SERVER_GONE_ERROR, CR_SERVER_LOST,
# depending on the timing of close of the connection socket
SELECT 1;
Got one of the listed errors
SELECT 1;
1
1
SELECT @id != CONNECTION_ID();
@id != CONNECTION_ID()
1
SET DEBUG_SYNC = 'RESET';
#
# Additional test for WL#3726 "DDL locking for all metadata objects"
# Check that DDL and DML statements waiting for metadata locks can
# be killed. Note that we don't cover all situations here since it
# can be tricky to write test case for some of them (e.g. REPAIR or
# ALTER and other statements under LOCK TABLES).
#
drop tables if exists t1, t2, t3;
create table t1 (i int primary key);
# Test for RENAME TABLE
# Switching to connection 'blocker'
lock table t1 read;
# Switching to connection 'ddl'
rename table t1 to t2;
# Switching to connection 'default'
kill query ID;
# Switching to connection 'ddl'
ERROR 70100: Query execution was interrupted
# Test for DROP TABLE
drop table t1;
# Switching to connection 'default'
kill query ID;
# Switching to connection 'ddl'
ERROR 70100: Query execution was interrupted
# Test for CREATE TRIGGER
create trigger t1_bi before insert on t1 for each row set @a:=1;
# Switching to connection 'default'
kill query ID;
# Switching to connection 'ddl'
ERROR 70100: Query execution was interrupted
#
# Tests for various kinds of ALTER TABLE
#
# Full-blown ALTER which should copy table
alter table t1 add column j int;
# Switching to connection 'default'
kill query ID;
# Switching to connection 'ddl'
ERROR 70100: Query execution was interrupted
# Two kinds of simple ALTER
alter table t1 rename to t2;
# Switching to connection 'default'
kill query ID;
# Switching to connection 'ddl'
ERROR 70100: Query execution was interrupted
alter table t1 disable keys;
# Switching to connection 'default'
kill query ID;
# Switching to connection 'ddl'
ERROR 70100: Query execution was interrupted
# Fast ALTER
alter table t1 alter column i set default 100;
# Switching to connection 'default'
kill query ID;
# Switching to connection 'ddl'
ERROR 70100: Query execution was interrupted
# Special case which is triggered only for MERGE tables.
# Switching to connection 'blocker'
unlock tables;
create table t2 (i int primary key) engine=merge union=(t1);
lock tables t2 read;
# Switching to connection 'ddl'
alter table t2 alter column i set default 100;
# Switching to connection 'default'
kill query ID;
# Switching to connection 'ddl'
ERROR 70100: Query execution was interrupted
# Test for DML waiting for meta-data lock
# Switching to connection 'blocker'
unlock tables;
lock tables t1 read;
# Switching to connection 'ddl'
truncate table t1;
# Switching to connection 'dml'
insert into t1 values (1);
# Switching to connection 'default'
kill query ID2;
# Switching to connection 'dml'
ERROR 70100: Query execution was interrupted
# Switching to connection 'blocker'
unlock tables;
# Switching to connection 'ddl'
# Test for DML waiting for tables to be flushed
# Switching to connection 'blocker'
lock tables t1 read;
# Switching to connection 'ddl'
# Let us mark locked table t1 as old
flush tables;
# Switching to connection 'dml'
select * from t1;
# Switching to connection 'default'
kill query ID2;
# Switching to connection 'dml'
ERROR 70100: Query execution was interrupted
# Switching to connection 'blocker'
unlock tables;
# Switching to connection 'ddl'
# Cleanup.
# Switching to connection 'default'
drop table t1;
drop table t2;
SET DEBUG_SYNC = 'RESET';
DROP FUNCTION MY_KILL;