File: innodb_deadlock_with_autoinc.result

package info (click to toggle)
mysql-8.0 8.0.43-3
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,273,924 kB
  • sloc: cpp: 4,684,605; ansic: 412,450; pascal: 108,398; java: 83,641; perl: 30,221; cs: 27,067; sql: 26,594; sh: 24,181; python: 21,816; yacc: 17,169; php: 11,522; xml: 7,388; javascript: 7,076; makefile: 2,194; lex: 1,075; awk: 670; asm: 520; objc: 183; ruby: 97; lisp: 86
file content (12 lines) | stat: -rw-r--r-- 565 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
#
# Bug #21983865  UNEXPECTED DEADLOCK WITH INNODB_AUTOINC_LOCK_MODE=0
#
create table t1(f1 int not null auto_increment primary key) engine=innodb;
# Hold autoinc_lock on table t1 from connection con1
set debug_sync='ib_after_row_insert SIGNAL others WAIT_FOR continue_others';
insert into t1 values(NULL);
# Create 40 connections and make it to wait for autoinc_lock on table t1.
# Release the auto_inc lock on table t1 for connection con1
set debug_sync='now SIGNAL continue_others';
# Now all 40 connections can finish the insert operation on t1.
drop table t1;