diff options
Diffstat (limited to 'mysql-test')
| -rw-r--r-- | mysql-test/include/have_debug_sync.inc | 5 | ||||
| -rwxr-xr-x | mysql-test/mysql-test-run.pl | 9 | ||||
| -rw-r--r-- | mysql-test/r/debug_sync.result | 277 | ||||
| -rw-r--r-- | mysql-test/r/have_debug_sync.require | 2 | ||||
| -rw-r--r-- | mysql-test/t/debug_sync.test | 420 |
5 files changed, 713 insertions, 0 deletions
diff --git a/mysql-test/include/have_debug_sync.inc b/mysql-test/include/have_debug_sync.inc new file mode 100644 index 00000000000..7aa5baf3342 --- /dev/null +++ b/mysql-test/include/have_debug_sync.inc @@ -0,0 +1,5 @@ +--require r/have_debug_sync.require +disable_query_log; +let $value= query_get_value(SHOW VARIABLES LIKE 'debug_sync', Value, 1); +eval SELECT ('$value' LIKE 'ON %') AS debug_sync; +enable_query_log; diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl index 114b6c84aa3..da94f02fb27 100755 --- a/mysql-test/mysql-test-run.pl +++ b/mysql-test/mysql-test-run.pl @@ -226,6 +226,7 @@ my @default_valgrind_args= ("--show-reachable=yes"); my @valgrind_args; my $opt_valgrind_path; my $opt_callgrind; +my $opt_debug_sync_timeout= 300; # Default timeout for WAIT_FOR actions. our $opt_warnings= 1; @@ -867,6 +868,7 @@ sub command_line_setup { 'valgrind-option=s' => \@valgrind_args, 'valgrind-path=s' => \$opt_valgrind_path, 'callgrind' => \$opt_callgrind, + 'debug-sync-timeout=i' => \$opt_debug_sync_timeout, # Directories 'tmpdir=s' => \$opt_tmpdir, @@ -4170,6 +4172,11 @@ sub mysqld_arguments ($$$) { mtr_add_arg($args, "%s", "--core-file"); } + # Enable the debug sync facility, set default wait timeout. + # Facility stays disabled if timeout value is zero. + mtr_add_arg($args, "--loose-debug-sync-timeout=%s", + $opt_debug_sync_timeout); + return $args; } @@ -5280,6 +5287,8 @@ Misc options to turn off. sleep=SECONDS Passed to mysqltest, will be used as fixed sleep time + debug-sync-timeout=NUM Set default timeout for WAIT_FOR debug sync + actions. Disable facility with NUM=0. gcov Collect coverage information after the test. The result is a gcov file per source and header file. experimental=<file> Refer to list of tests considered experimental; diff --git a/mysql-test/r/debug_sync.result b/mysql-test/r/debug_sync.result new file mode 100644 index 00000000000..47e968f79cf --- /dev/null +++ b/mysql-test/r/debug_sync.result @@ -0,0 +1,277 @@ +SET DEBUG_SYNC= 'RESET'; +DROP TABLE IF EXISTS t1; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +Variable_name Value +debug_sync ON - current signal: '' +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6 EXECUTE 2 HIT_LIMIT 3'; +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6 EXECUTE 2'; +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6 HIT_LIMIT 3'; +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6'; +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 EXECUTE 2 HIT_LIMIT 3'; +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 EXECUTE 2'; +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 HIT_LIMIT 3'; +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2'; +SET DEBUG_SYNC='p0 SIGNAL s1 EXECUTE 2 HIT_LIMIT 3'; +SET DEBUG_SYNC='p0 SIGNAL s1 EXECUTE 2'; +SET DEBUG_SYNC='p0 SIGNAL s1 HIT_LIMIT 3'; +SET DEBUG_SYNC='p0 SIGNAL s1'; +SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6 EXECUTE 2 HIT_LIMIT 3'; +SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6 EXECUTE 2'; +SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6 HIT_LIMIT 3'; +SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6'; +SET DEBUG_SYNC='p0 WAIT_FOR s2 EXECUTE 2 HIT_LIMIT 3'; +SET DEBUG_SYNC='p0 WAIT_FOR s2 EXECUTE 2'; +SET DEBUG_SYNC='p0 WAIT_FOR s2 HIT_LIMIT 3'; +SET DEBUG_SYNC='p0 WAIT_FOR s2'; +SET DEBUG_SYNC='p0 HIT_LIMIT 3'; +SET DEBUG_SYNC='p0 CLEAR'; +SET DEBUG_SYNC='p0 TEST'; +SET DEBUG_SYNC='RESET'; +set debug_sync='p0 signal s1 wait_for s2 timeout 6 execute 2 hit_limit 3'; +set debug_sync='p0 signal s1 wait_for s2 timeout 6 execute 2'; +set debug_sync='p0 signal s1 wait_for s2 timeout 6 hit_limit 3'; +set debug_sync='p0 signal s1 wait_for s2 timeout 6'; +set debug_sync='p0 signal s1 wait_for s2 execute 2 hit_limit 3'; +set debug_sync='p0 signal s1 wait_for s2 execute 2'; +set debug_sync='p0 signal s1 wait_for s2 hit_limit 3'; +set debug_sync='p0 signal s1 wait_for s2'; +set debug_sync='p0 signal s1 execute 2 hit_limit 3'; +set debug_sync='p0 signal s1 execute 2'; +set debug_sync='p0 signal s1 hit_limit 3'; +set debug_sync='p0 signal s1'; +set debug_sync='p0 wait_for s2 timeout 6 execute 2 hit_limit 3'; +set debug_sync='p0 wait_for s2 timeout 6 execute 2'; +set debug_sync='p0 wait_for s2 timeout 6 hit_limit 3'; +set debug_sync='p0 wait_for s2 timeout 6'; +set debug_sync='p0 wait_for s2 execute 2 hit_limit 3'; +set debug_sync='p0 wait_for s2 execute 2'; +set debug_sync='p0 wait_for s2 hit_limit 3'; +set debug_sync='p0 wait_for s2'; +set debug_sync='p0 hit_limit 3'; +set debug_sync='p0 clear'; +set debug_sync='p0 test'; +set debug_sync='reset'; +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6 + EXECUTE 2 HIT_LIMIT 3'; +SET DEBUG_SYNC=' p0 SIGNAL s1 WAIT_FOR s2'; +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2'; +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 '; +SET DEBUG_SYNC=' p0 SIGNAL s1 WAIT_FOR s2 '; +SET DEBUG_SYNC=' p0 SIGNAL s1 WAIT_FOR s2 '; +SET DEBUG_SYNC=''; +ERROR 42000: Missing synchronization point name +SET DEBUG_SYNC=' '; +ERROR 42000: Missing synchronization point name +SET DEBUG_SYNC='p0'; +ERROR 42000: Missing action after synchronization point name 'p0' +SET DEBUG_SYNC='p0 EXECUTE 2'; +ERROR 42000: Missing action before EXECUTE +SET DEBUG_SYNC='p0 TIMEOUT 6 EXECUTE 2'; +ERROR 42000: Illegal or out of order stuff: 'TIMEOUT' +SET DEBUG_SYNC='p0 TIMEOUT 6'; +ERROR 42000: Illegal or out of order stuff: 'TIMEOUT' +SET DEBUG_SYNC='p0 WAIT_FOR s2 SIGNAL s1'; +ERROR 42000: Illegal or out of order stuff: 'SIGNAL' +SET DEBUG_SYNC='p0 WAIT_FOR s2 SIGNAL s1 EXECUTE 2'; +ERROR 42000: Illegal or out of order stuff: 'SIGNAL' +SET DEBUG_SYNC='p0 WAIT_FOR s2 SIGNAL s1 TIMEOUT 6 EXECUTE 2'; +ERROR 42000: Illegal or out of order stuff: 'SIGNAL' +SET DEBUG_SYNC='p0 WAIT_FOR s2 SIGNAL s1 TIMEOUT 6'; +ERROR 42000: Illegal or out of order stuff: 'SIGNAL' +SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6 SIGNAL s1 EXECUTE 2'; +ERROR 42000: Illegal or out of order stuff: 'SIGNAL' +SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6 SIGNAL s1'; +ERROR 42000: Illegal or out of order stuff: 'SIGNAL' +SET DEBUG_SYNC='p0 TIMEOUT 6 WAIT_FOR s2 EXECUTE 2'; +ERROR 42000: Illegal or out of order stuff: 'TIMEOUT' +SET DEBUG_SYNC='p0 TIMEOUT 6 WAIT_FOR s2'; +ERROR 42000: Illegal or out of order stuff: 'TIMEOUT' +SET DEBUG_SYNC='p0 SIGNAL s1 TIMEOUT 6 EXECUTE 2'; +ERROR 42000: Illegal or out of order stuff: 'TIMEOUT' +SET DEBUG_SYNC='p0 SIGNAL s1 TIMEOUT 6'; +ERROR 42000: Illegal or out of order stuff: 'TIMEOUT' +SET DEBUG_SYNC='p0 EXECUTE 2 SIGNAL s1 TIMEOUT 6'; +ERROR 42000: Missing action before EXECUTE +SET DEBUG_SYNC='p0 TIMEOUT 6 SIGNAL s1'; +ERROR 42000: Illegal or out of order stuff: 'TIMEOUT' +SET DEBUG_SYNC='p0 EXECUTE 2 TIMEOUT 6 SIGNAL s1'; +ERROR 42000: Missing action before EXECUTE +SET DEBUG_SYNC='p0 CLEAR HIT_LIMIT 3'; +ERROR 42000: Nothing must follow action CLEAR +SET DEBUG_SYNC='CLEAR'; +ERROR 42000: Missing action after synchronization point name 'CLEAR' +SET DEBUG_SYNC='p0 CLEAR p0'; +ERROR 42000: Nothing must follow action CLEAR +SET DEBUG_SYNC='TEST'; +ERROR 42000: Missing action after synchronization point name 'TEST' +SET DEBUG_SYNC='p0 TEST p0'; +ERROR 42000: Nothing must follow action TEST +SET DEBUG_SYNC='p0 RESET'; +ERROR 42000: Illegal or out of order stuff: 'RESET' +SET DEBUG_SYNC='RESET p0'; +ERROR 42000: Illegal or out of order stuff: 'p0' +SET DEBUG_SYNC='p0 RESET p0'; +ERROR 42000: Illegal or out of order stuff: 'RESET' +SET DEBUG_SYNC='p0 SIGNAL '; +ERROR 42000: Missing signal name after action SIGNAL +SET DEBUG_SYNC='p0 WAIT_FOR '; +ERROR 42000: Missing signal name after action WAIT_FOR +SET DEBUG_SYNC='p0 SIGNAL s1 EXECUTE '; +ERROR 42000: Missing valid number after EXECUTE +SET DEBUG_SYNCx='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6 EXECUTE 2 HIT_LIMIT 3'; +ERROR HY000: Unknown system variable 'DEBUG_SYNCx' +SET DEBUG_SYNC='p0 SIGNAx s1 WAIT_FOR s2 TIMEOUT 6 EXECUTE 2 HIT_LIMIT 3'; +ERROR 42000: Illegal or out of order stuff: 'SIGNAx' +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOx s2 TIMEOUT 6 EXECUTE 2 HIT_LIMIT 3'; +ERROR 42000: Illegal or out of order stuff: 'WAIT_FOx' +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUx 0 EXECUTE 2 HIT_LIMIT 3'; +ERROR 42000: Illegal or out of order stuff: 'TIMEOUx' +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6 EXECUTx 2 HIT_LIMIT 3'; +ERROR 42000: Illegal or out of order stuff: 'EXECUTx' +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6 EXECUTE 2 HIT_LIMIx 3'; +ERROR 42000: Illegal or out of order stuff: 'HIT_LIMIx' +SET DEBUG_SYNC='p0 CLEARx'; +ERROR 42000: Illegal or out of order stuff: 'CLEARx' +SET DEBUG_SYNC='p0 TESTx'; +ERROR 42000: Illegal or out of order stuff: 'TESTx' +SET DEBUG_SYNC='RESETx'; +ERROR 42000: Missing action after synchronization point name 'RESETx' +SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 0x6 EXECUTE 2 HIT_LIMIT 3'; +ERROR 42000: Missing valid number after TIMEOUT +SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6 EXECUTE 0x2 HIT_LIMIT 3'; +ERROR 42000: Missing valid number after EXECUTE +SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 7 EXECUTE 2 HIT_LIMIT 0x3'; +ERROR 42000: Missing valid number after HIT_LIMIT +SET DEBUG_SYNC= 7; +ERROR 42000: Incorrect argument type to variable 'debug_sync' +SET GLOBAL DEBUG_SYNC= 'p0 CLEAR'; +ERROR HY000: Variable 'debug_sync' is a SESSION variable and can't be used with SET GLOBAL +SET @myvar= 'now SIGNAL from_myvar'; +SET DEBUG_SYNC= @myvar; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +Variable_name Value +debug_sync ON - current signal: 'from_myvar' +SET DEBUG_SYNC= LEFT('now SIGNAL from_function_cut_here', 24); +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +Variable_name Value +debug_sync ON - current signal: 'from_function' +SET DEBUG_SYNC= 'now SIGNAL something'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +Variable_name Value +debug_sync ON - current signal: 'something' +SET DEBUG_SYNC= 'now WAIT_FOR nothing TIMEOUT 0'; +Warnings: +Warning #### debug sync point wait timed out +SET DEBUG_SYNC= 'now SIGNAL nothing'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +Variable_name Value +debug_sync ON - current signal: 'nothing' +SET DEBUG_SYNC= 'now WAIT_FOR nothing TIMEOUT 0'; +SET DEBUG_SYNC= 'now SIGNAL something EXECUTE 0'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +Variable_name Value +debug_sync ON - current signal: 'nothing' +SET DEBUG_SYNC= 'now WAIT_FOR anotherthing TIMEOUT 0 EXECUTE 0'; +SET DEBUG_SYNC= 'now HIT_LIMIT 1'; +ERROR HY000: debug sync point hit limit reached +SET DEBUG_SYNC= 'RESET'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +Variable_name Value +debug_sync ON - current signal: '' +SET DEBUG_SYNC= 'p1abcd SIGNAL s1 EXECUTE 2'; +SET DEBUG_SYNC= 'p2abc SIGNAL s2 EXECUTE 2'; +SET DEBUG_SYNC= 'p9abcdef SIGNAL s9 EXECUTE 2'; +SET DEBUG_SYNC= 'p4a SIGNAL s4 EXECUTE 2'; +SET DEBUG_SYNC= 'p5abcde SIGNAL s5 EXECUTE 2'; +SET DEBUG_SYNC= 'p6ab SIGNAL s6 EXECUTE 2'; +SET DEBUG_SYNC= 'p7 SIGNAL s7 EXECUTE 2'; +SET DEBUG_SYNC= 'p8abcdef SIGNAL s8 EXECUTE 2'; +SET DEBUG_SYNC= 'p3abcdef SIGNAL s3 EXECUTE 2'; +SET DEBUG_SYNC= 'p4a TEST'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +Variable_name Value +debug_sync ON - current signal: 's4' +SET DEBUG_SYNC= 'p1abcd TEST'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +Variable_name Value +debug_sync ON - current signal: 's1' +SET DEBUG_SYNC= 'p7 TEST'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +Variable_name Value +debug_sync ON - current signal: 's7' +SET DEBUG_SYNC= 'p9abcdef TEST'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +Variable_name Value +debug_sync ON - current signal: 's9' +SET DEBUG_SYNC= 'p3abcdef TEST'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +Variable_name Value +debug_sync ON - current signal: 's3' +SET DEBUG_SYNC= 'p1abcd CLEAR'; +SET DEBUG_SYNC= 'p2abc CLEAR'; +SET DEBUG_SYNC= 'p5abcde CLEAR'; +SET DEBUG_SYNC= 'p6ab CLEAR'; +SET DEBUG_SYNC= 'p8abcdef CLEAR'; +SET DEBUG_SYNC= 'p9abcdef CLEAR'; +SET DEBUG_SYNC= 'p3abcdef CLEAR'; +SET DEBUG_SYNC= 'p4a CLEAR'; +SET DEBUG_SYNC= 'p7 CLEAR'; +SET DEBUG_SYNC= 'p1abcd TEST'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +Variable_name Value +debug_sync ON - current signal: 's3' +SET DEBUG_SYNC= 'p7 TEST'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +Variable_name Value +debug_sync ON - current signal: 's3' +SET DEBUG_SYNC= 'p9abcdef TEST'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +Variable_name Value +debug_sync ON - current signal: 's3' +SET DEBUG_SYNC= 'RESET'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +Variable_name Value +debug_sync ON - current signal: '' +CREATE USER mysqltest_1@localhost; +GRANT SUPER ON *.* TO mysqltest_1@localhost; +connection con1, mysqltest_1 +SET DEBUG_SYNC= 'RESET'; +connection default +DROP USER mysqltest_1@localhost; +CREATE USER mysqltest_2@localhost; +GRANT ALL ON *.* TO mysqltest_2@localhost; +REVOKE SUPER ON *.* FROM mysqltest_2@localhost; +connection con1, mysqltest_2 +SET DEBUG_SYNC= 'RESET'; +ERROR 42000: Access denied; you need the SUPER privilege for this operation +connection default +DROP USER mysqltest_2@localhost; +SET DEBUG_SYNC= 'RESET'; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 INT); +connection con1 +SET DEBUG_SYNC= 'before_lock_tables_takes_lock + SIGNAL opened WAIT_FOR flushed'; +INSERT INTO t1 VALUES(1); +connection default +SET DEBUG_SYNC= 'now WAIT_FOR opened'; +SET DEBUG_SYNC= 'after_flush_unlock SIGNAL flushed'; +FLUSH TABLE t1; +connection con1 +connection default +DROP TABLE t1; +SET DEBUG_SYNC= 'RESET'; +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 (c1 INT); +LOCK TABLE t1 WRITE; +connection con1 +SET DEBUG_SYNC= 'wait_for_lock SIGNAL locked EXECUTE 2'; +INSERT INTO t1 VALUES (1); +connection default +SET DEBUG_SYNC= 'now WAIT_FOR locked'; +UNLOCK TABLES; +connection con1 +retrieve INSERT result. +connection default +DROP TABLE t1; +SET DEBUG_SYNC= 'RESET'; diff --git a/mysql-test/r/have_debug_sync.require b/mysql-test/r/have_debug_sync.require new file mode 100644 index 00000000000..c2090bc5657 --- /dev/null +++ b/mysql-test/r/have_debug_sync.require @@ -0,0 +1,2 @@ +debug_sync +1 diff --git a/mysql-test/t/debug_sync.test b/mysql-test/t/debug_sync.test new file mode 100644 index 00000000000..514e471b603 --- /dev/null +++ b/mysql-test/t/debug_sync.test @@ -0,0 +1,420 @@ +###################### t/debug_sync.test ############################### +# # +# Testing of the Debug Sync Facility. # +# # +# There is important documentation within sql/debug_sync.cc # +# # +# Used objects in this test case: # +# p0 - synchronization point 0. Non-existent dummy sync point. # +# s1 - signal 1. # +# s2 - signal 2. # +# # +# Creation: # +# 2008-02-18 istruewing # +# # +######################################################################## + +# +# We need the Debug Sync Facility. +# +--source include/have_debug_sync.inc + +# +# We are checking privileges, which the embedded server cannot do. +# +--source include/not_embedded.inc + +# +# Preparative cleanup. +# +--disable_warnings +SET DEBUG_SYNC= 'RESET'; +DROP TABLE IF EXISTS t1; +--enable_warnings + +# +# Show the special system variable. +# It shows ON or OFF depending on the command line option --debug-sync. +# The test case assumes it is ON (command line option present). +# +SHOW VARIABLES LIKE 'DEBUG_SYNC'; + +# +# Syntax. Valid forms. +# +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6 EXECUTE 2 HIT_LIMIT 3'; +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6 EXECUTE 2'; +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6 HIT_LIMIT 3'; +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6'; +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 EXECUTE 2 HIT_LIMIT 3'; +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 EXECUTE 2'; +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 HIT_LIMIT 3'; +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2'; +SET DEBUG_SYNC='p0 SIGNAL s1 EXECUTE 2 HIT_LIMIT 3'; +SET DEBUG_SYNC='p0 SIGNAL s1 EXECUTE 2'; +SET DEBUG_SYNC='p0 SIGNAL s1 HIT_LIMIT 3'; +SET DEBUG_SYNC='p0 SIGNAL s1'; +SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6 EXECUTE 2 HIT_LIMIT 3'; +SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6 EXECUTE 2'; +SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6 HIT_LIMIT 3'; +SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6'; +SET DEBUG_SYNC='p0 WAIT_FOR s2 EXECUTE 2 HIT_LIMIT 3'; +SET DEBUG_SYNC='p0 WAIT_FOR s2 EXECUTE 2'; +SET DEBUG_SYNC='p0 WAIT_FOR s2 HIT_LIMIT 3'; +SET DEBUG_SYNC='p0 WAIT_FOR s2'; +SET DEBUG_SYNC='p0 HIT_LIMIT 3'; +SET DEBUG_SYNC='p0 CLEAR'; +SET DEBUG_SYNC='p0 TEST'; +SET DEBUG_SYNC='RESET'; + +# +# Syntax. Valid forms. Lower case. +# +set debug_sync='p0 signal s1 wait_for s2 timeout 6 execute 2 hit_limit 3'; +set debug_sync='p0 signal s1 wait_for s2 timeout 6 execute 2'; +set debug_sync='p0 signal s1 wait_for s2 timeout 6 hit_limit 3'; +set debug_sync='p0 signal s1 wait_for s2 timeout 6'; +set debug_sync='p0 signal s1 wait_for s2 execute 2 hit_limit 3'; +set debug_sync='p0 signal s1 wait_for s2 execute 2'; +set debug_sync='p0 signal s1 wait_for s2 hit_limit 3'; +set debug_sync='p0 signal s1 wait_for s2'; +set debug_sync='p0 signal s1 execute 2 hit_limit 3'; +set debug_sync='p0 signal s1 execute 2'; +set debug_sync='p0 signal s1 hit_limit 3'; +set debug_sync='p0 signal s1'; +set debug_sync='p0 wait_for s2 timeout 6 execute 2 hit_limit 3'; +set debug_sync='p0 wait_for s2 timeout 6 execute 2'; +set debug_sync='p0 wait_for s2 timeout 6 hit_limit 3'; +set debug_sync='p0 wait_for s2 timeout 6'; +set debug_sync='p0 wait_for s2 execute 2 hit_limit 3'; +set debug_sync='p0 wait_for s2 execute 2'; +set debug_sync='p0 wait_for s2 hit_limit 3'; +set debug_sync='p0 wait_for s2'; +set debug_sync='p0 hit_limit 3'; +set debug_sync='p0 clear'; +set debug_sync='p0 test'; +set debug_sync='reset'; + +# +# Syntax. Valid forms. Line wrap, leading, mid, trailing space. +# +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6 + EXECUTE 2 HIT_LIMIT 3'; +SET DEBUG_SYNC=' p0 SIGNAL s1 WAIT_FOR s2'; +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2'; +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 '; +SET DEBUG_SYNC=' p0 SIGNAL s1 WAIT_FOR s2 '; +SET DEBUG_SYNC=' p0 SIGNAL s1 WAIT_FOR s2 '; + +# +# Syntax. Invalid forms. +# +--error ER_PARSE_ERROR +SET DEBUG_SYNC=''; +--error ER_PARSE_ERROR +SET DEBUG_SYNC=' '; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 EXECUTE 2'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 TIMEOUT 6 EXECUTE 2'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 TIMEOUT 6'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 WAIT_FOR s2 SIGNAL s1'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 WAIT_FOR s2 SIGNAL s1 EXECUTE 2'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 WAIT_FOR s2 SIGNAL s1 TIMEOUT 6 EXECUTE 2'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 WAIT_FOR s2 SIGNAL s1 TIMEOUT 6'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6 SIGNAL s1 EXECUTE 2'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6 SIGNAL s1'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 TIMEOUT 6 WAIT_FOR s2 EXECUTE 2'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 TIMEOUT 6 WAIT_FOR s2'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 SIGNAL s1 TIMEOUT 6 EXECUTE 2'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 SIGNAL s1 TIMEOUT 6'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 EXECUTE 2 SIGNAL s1 TIMEOUT 6'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 TIMEOUT 6 SIGNAL s1'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 EXECUTE 2 TIMEOUT 6 SIGNAL s1'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 CLEAR HIT_LIMIT 3'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='CLEAR'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 CLEAR p0'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='TEST'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 TEST p0'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 RESET'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='RESET p0'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 RESET p0'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 SIGNAL '; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 WAIT_FOR '; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 SIGNAL s1 EXECUTE '; + +# +# Syntax. Invalid keywords used. +# +--error ER_UNKNOWN_SYSTEM_VARIABLE +SET DEBUG_SYNCx='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6 EXECUTE 2 HIT_LIMIT 3'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 SIGNAx s1 WAIT_FOR s2 TIMEOUT 6 EXECUTE 2 HIT_LIMIT 3'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOx s2 TIMEOUT 6 EXECUTE 2 HIT_LIMIT 3'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUx 0 EXECUTE 2 HIT_LIMIT 3'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6 EXECUTx 2 HIT_LIMIT 3'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6 EXECUTE 2 HIT_LIMIx 3'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 CLEARx'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 TESTx'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='RESETx'; + +# +# Syntax. Invalid numbers. Decimal only. +# +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 0x6 EXECUTE 2 HIT_LIMIT 3'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6 EXECUTE 0x2 HIT_LIMIT 3'; +--error ER_PARSE_ERROR +SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 7 EXECUTE 2 HIT_LIMIT 0x3'; + +# +# Syntax. Invalid value type. +# +--error ER_WRONG_TYPE_FOR_VAR +SET DEBUG_SYNC= 7; + +# +# Syntax. DEBUG_SYNC is a SESSION-only variable. +# +--error ER_LOCAL_VARIABLE +SET GLOBAL DEBUG_SYNC= 'p0 CLEAR'; + +# +# Syntax. The variable value does not need to be a string literal. +# +SET @myvar= 'now SIGNAL from_myvar'; +SET DEBUG_SYNC= @myvar; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +# +SET DEBUG_SYNC= LEFT('now SIGNAL from_function_cut_here', 24); +SHOW VARIABLES LIKE 'DEBUG_SYNC'; + +# +# Functional tests. +# +# NOTE: There is the special synchronization point 'now'. It is placed +# immediately after setting of the DEBUG_SYNC variable. +# So it is executed before the SET statement ends. +# +# NOTE: There is only one global signal (say "signal post" or "flag mast"). +# A SIGNAL action writes its signal into it ("sets a flag"). +# The signal persists until explicitly overwritten. +# To avoid confusion for later tests, it is recommended to clear +# the signal by signalling "empty" ("setting the 'empty' flag"): +# SET DEBUG_SYNC= 'now SIGNAL empty'; +# Preferably you can reset the whole facility with: +# SET DEBUG_SYNC= 'RESET'; +# The signal is then '' (really empty) which connot be done otherwise. +# + +# +# Time out immediately. This gives just a warning. +# +SET DEBUG_SYNC= 'now SIGNAL something'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +# Suppress warning number +--replace_column 2 #### +SET DEBUG_SYNC= 'now WAIT_FOR nothing TIMEOUT 0'; +# +# If signal is present already, TIMEOUT 0 does not give a warning. +# +SET DEBUG_SYNC= 'now SIGNAL nothing'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +SET DEBUG_SYNC= 'now WAIT_FOR nothing TIMEOUT 0'; + +# +# EXECUTE 0 is effectively a no-op. +# +SET DEBUG_SYNC= 'now SIGNAL something EXECUTE 0'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +SET DEBUG_SYNC= 'now WAIT_FOR anotherthing TIMEOUT 0 EXECUTE 0'; + +# +# Run into HIT_LIMIT. This gives an error. +# +--error ER_DEBUG_SYNC_HIT_LIMIT +SET DEBUG_SYNC= 'now HIT_LIMIT 1'; + +# +# Many actions. Watch the array growing and shrinking in the debug trace: +# egrep 'query:|debug_sync_action:' mysql-test/var/log/master.trace +# +SET DEBUG_SYNC= 'RESET'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +SET DEBUG_SYNC= 'p1abcd SIGNAL s1 EXECUTE 2'; +SET DEBUG_SYNC= 'p2abc SIGNAL s2 EXECUTE 2'; +SET DEBUG_SYNC= 'p9abcdef SIGNAL s9 EXECUTE 2'; +SET DEBUG_SYNC= 'p4a SIGNAL s4 EXECUTE 2'; +SET DEBUG_SYNC= 'p5abcde SIGNAL s5 EXECUTE 2'; +SET DEBUG_SYNC= 'p6ab SIGNAL s6 EXECUTE 2'; +SET DEBUG_SYNC= 'p7 SIGNAL s7 EXECUTE 2'; +SET DEBUG_SYNC= 'p8abcdef SIGNAL s8 EXECUTE 2'; +SET DEBUG_SYNC= 'p3abcdef SIGNAL s3 EXECUTE 2'; +# +# Execute some actions to show they exist. Each sets a distinct signal. +# +SET DEBUG_SYNC= 'p4a TEST'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +SET DEBUG_SYNC= 'p1abcd TEST'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +SET DEBUG_SYNC= 'p7 TEST'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +SET DEBUG_SYNC= 'p9abcdef TEST'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +SET DEBUG_SYNC= 'p3abcdef TEST'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +# +# Clear the actions. +# +SET DEBUG_SYNC= 'p1abcd CLEAR'; +SET DEBUG_SYNC= 'p2abc CLEAR'; +SET DEBUG_SYNC= 'p5abcde CLEAR'; +SET DEBUG_SYNC= 'p6ab CLEAR'; +SET DEBUG_SYNC= 'p8abcdef CLEAR'; +SET DEBUG_SYNC= 'p9abcdef CLEAR'; +SET DEBUG_SYNC= 'p3abcdef CLEAR'; +SET DEBUG_SYNC= 'p4a CLEAR'; +SET DEBUG_SYNC= 'p7 CLEAR'; +# +# Execute some actions to show they have gone. +# +SET DEBUG_SYNC= 'p1abcd TEST'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +SET DEBUG_SYNC= 'p7 TEST'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +SET DEBUG_SYNC= 'p9abcdef TEST'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; +# +# Now cleanup. Actions are clear already, but signal needs to be cleared. +# +SET DEBUG_SYNC= 'RESET'; +SHOW VARIABLES LIKE 'DEBUG_SYNC'; + +# +# Facility requires SUPER privilege. +# +CREATE USER mysqltest_1@localhost; +GRANT SUPER ON *.* TO mysqltest_1@localhost; +--echo connection con1, mysqltest_1 +connect (con1,localhost,mysqltest_1,,); +SET DEBUG_SYNC= 'RESET'; +disconnect con1; +--echo connection default +connection default; +DROP USER mysqltest_1@localhost; +# +CREATE USER mysqltest_2@localhost; +GRANT ALL ON *.* TO mysqltest_2@localhost; +REVOKE SUPER ON *.* FROM mysqltest_2@localhost; +--echo connection con1, mysqltest_2 +connect (con1,localhost,mysqltest_2,,); +--error ER_SPECIFIC_ACCESS_DENIED_ERROR +SET DEBUG_SYNC= 'RESET'; +disconnect con1; +--echo connection default +connection default; +DROP USER mysqltest_2@localhost; + +# +# Example 1. +# +# Preparative cleanup. +--disable_warnings +SET DEBUG_SYNC= 'RESET'; +DROP TABLE IF EXISTS t1; +--enable_warnings +# +# Test. +CREATE TABLE t1 (c1 INT); + --echo connection con1 + connect (con1,localhost,root,,); + SET DEBUG_SYNC= 'before_lock_tables_takes_lock + SIGNAL opened WAIT_FOR flushed'; + send INSERT INTO t1 VALUES(1); +--echo connection default +connection default; +SET DEBUG_SYNC= 'now WAIT_FOR opened'; +SET DEBUG_SYNC= 'after_flush_unlock SIGNAL flushed'; +FLUSH TABLE t1; + --echo connection con1 + connection con1; + reap; + disconnect con1; +--echo connection default +connection default; +DROP TABLE t1; + +# +# Example 2. +# +# Preparative cleanup. +--disable_warnings +SET DEBUG_SYNC= 'RESET'; +DROP TABLE IF EXISTS t1; +--enable_warnings +# +# Test. +CREATE TABLE t1 (c1 INT); +LOCK TABLE t1 WRITE; + --echo connection con1 + connect (con1,localhost,root,,); + # Retain action after use. First used by general_log. + SET DEBUG_SYNC= 'wait_for_lock SIGNAL locked EXECUTE 2'; + send INSERT INTO t1 VALUES (1); +--echo connection default +connection default; +# Wait until INSERT waits for lock. +SET DEBUG_SYNC= 'now WAIT_FOR locked'; +# let INSERT continue. +UNLOCK TABLES; + --echo connection con1 + connection con1; + --echo retrieve INSERT result. + reap; + disconnect con1; +--echo connection default +connection default; +DROP TABLE t1; + +# +# Cleanup after test case. +# Otherwise signal would contain 'flushed' here, +# which could confuse the next test. +# +SET DEBUG_SYNC= 'RESET'; + |