mirror of
https://github.com/MariaDB/server.git
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8ff0a7f893
One can now do: set DEBUG_SYNC='... SIGNAL s1,s2,s3...' Multiple signals can be fired, they need to be split by commas.
322 lines
13 KiB
Text
322 lines
13 KiB
Text
SET DEBUG_SYNC= 'RESET';
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DROP TABLE IF EXISTS t1;
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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Variable_name Value
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debug_sync ON - current signals: ''
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SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6 EXECUTE 2 HIT_LIMIT 3';
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SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6 EXECUTE 2';
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SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6 HIT_LIMIT 3';
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SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6';
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SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 EXECUTE 2 HIT_LIMIT 3';
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SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 EXECUTE 2';
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SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 HIT_LIMIT 3';
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SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2';
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SET DEBUG_SYNC='p0 SIGNAL s1 EXECUTE 2 HIT_LIMIT 3';
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SET DEBUG_SYNC='p0 SIGNAL s1 EXECUTE 2';
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SET DEBUG_SYNC='p0 SIGNAL s1 HIT_LIMIT 3';
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SET DEBUG_SYNC='p0 SIGNAL s1';
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SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6 EXECUTE 2 HIT_LIMIT 3';
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SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6 EXECUTE 2';
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SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6 HIT_LIMIT 3';
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SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6';
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SET DEBUG_SYNC='p0 WAIT_FOR s2 EXECUTE 2 HIT_LIMIT 3';
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SET DEBUG_SYNC='p0 WAIT_FOR s2 EXECUTE 2';
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SET DEBUG_SYNC='p0 WAIT_FOR s2 HIT_LIMIT 3';
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SET DEBUG_SYNC='p0 WAIT_FOR s2';
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SET DEBUG_SYNC='p0 HIT_LIMIT 3';
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SET DEBUG_SYNC='p0 CLEAR';
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SET DEBUG_SYNC='p0 TEST';
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SET DEBUG_SYNC='RESET';
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set debug_sync='p0 signal s1 wait_for s2 timeout 6 execute 2 hit_limit 3';
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set debug_sync='p0 signal s1 wait_for s2 timeout 6 execute 2';
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set debug_sync='p0 signal s1 wait_for s2 timeout 6 hit_limit 3';
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set debug_sync='p0 signal s1 wait_for s2 timeout 6';
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set debug_sync='p0 signal s1 wait_for s2 execute 2 hit_limit 3';
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set debug_sync='p0 signal s1 wait_for s2 execute 2';
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set debug_sync='p0 signal s1 wait_for s2 hit_limit 3';
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set debug_sync='p0 signal s1 wait_for s2';
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set debug_sync='p0 signal s1 execute 2 hit_limit 3';
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set debug_sync='p0 signal s1 execute 2';
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set debug_sync='p0 signal s1 hit_limit 3';
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set debug_sync='p0 signal s1';
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set debug_sync='p0 wait_for s2 timeout 6 execute 2 hit_limit 3';
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set debug_sync='p0 wait_for s2 timeout 6 execute 2';
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set debug_sync='p0 wait_for s2 timeout 6 hit_limit 3';
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set debug_sync='p0 wait_for s2 timeout 6';
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set debug_sync='p0 wait_for s2 execute 2 hit_limit 3';
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set debug_sync='p0 wait_for s2 execute 2';
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set debug_sync='p0 wait_for s2 hit_limit 3';
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set debug_sync='p0 wait_for s2';
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set debug_sync='p0 hit_limit 3';
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set debug_sync='p0 clear';
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set debug_sync='p0 test';
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set debug_sync='reset';
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SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6
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EXECUTE 2 HIT_LIMIT 3';
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SET DEBUG_SYNC=' p0 SIGNAL s1 WAIT_FOR s2';
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SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2';
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SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 ';
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SET DEBUG_SYNC=' p0 SIGNAL s1 WAIT_FOR s2 ';
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SET DEBUG_SYNC=' p0 SIGNAL s1 WAIT_FOR s2 ';
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SET DEBUG_SYNC='';
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ERROR 42000: Missing synchronization point name
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SET DEBUG_SYNC=' ';
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ERROR 42000: Missing synchronization point name
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SET DEBUG_SYNC='p0';
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ERROR 42000: Missing action after synchronization point name 'p0'
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SET DEBUG_SYNC='p0 EXECUTE 2';
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ERROR 42000: Missing action before EXECUTE
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SET DEBUG_SYNC='p0 TIMEOUT 6 EXECUTE 2';
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ERROR 42000: Illegal or out of order stuff: 'TIMEOUT'
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SET DEBUG_SYNC='p0 TIMEOUT 6';
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ERROR 42000: Illegal or out of order stuff: 'TIMEOUT'
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SET DEBUG_SYNC='p0 WAIT_FOR s2 SIGNAL s1';
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ERROR 42000: Illegal or out of order stuff: 'SIGNAL'
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SET DEBUG_SYNC='p0 WAIT_FOR s2 SIGNAL s1 EXECUTE 2';
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ERROR 42000: Illegal or out of order stuff: 'SIGNAL'
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SET DEBUG_SYNC='p0 WAIT_FOR s2 SIGNAL s1 TIMEOUT 6 EXECUTE 2';
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ERROR 42000: Illegal or out of order stuff: 'SIGNAL'
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SET DEBUG_SYNC='p0 WAIT_FOR s2 SIGNAL s1 TIMEOUT 6';
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ERROR 42000: Illegal or out of order stuff: 'SIGNAL'
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SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6 SIGNAL s1 EXECUTE 2';
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ERROR 42000: Illegal or out of order stuff: 'SIGNAL'
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SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6 SIGNAL s1';
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ERROR 42000: Illegal or out of order stuff: 'SIGNAL'
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SET DEBUG_SYNC='p0 TIMEOUT 6 WAIT_FOR s2 EXECUTE 2';
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ERROR 42000: Illegal or out of order stuff: 'TIMEOUT'
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SET DEBUG_SYNC='p0 TIMEOUT 6 WAIT_FOR s2';
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ERROR 42000: Illegal or out of order stuff: 'TIMEOUT'
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SET DEBUG_SYNC='p0 SIGNAL s1 TIMEOUT 6 EXECUTE 2';
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ERROR 42000: Illegal or out of order stuff: 'TIMEOUT'
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SET DEBUG_SYNC='p0 SIGNAL s1 TIMEOUT 6';
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ERROR 42000: Illegal or out of order stuff: 'TIMEOUT'
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SET DEBUG_SYNC='p0 EXECUTE 2 SIGNAL s1 TIMEOUT 6';
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ERROR 42000: Missing action before EXECUTE
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SET DEBUG_SYNC='p0 TIMEOUT 6 SIGNAL s1';
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ERROR 42000: Illegal or out of order stuff: 'TIMEOUT'
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SET DEBUG_SYNC='p0 EXECUTE 2 TIMEOUT 6 SIGNAL s1';
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ERROR 42000: Missing action before EXECUTE
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SET DEBUG_SYNC='p0 CLEAR HIT_LIMIT 3';
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ERROR 42000: Nothing must follow action CLEAR
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SET DEBUG_SYNC='CLEAR';
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ERROR 42000: Missing action after synchronization point name 'CLEAR'
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SET DEBUG_SYNC='p0 CLEAR p0';
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ERROR 42000: Nothing must follow action CLEAR
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SET DEBUG_SYNC='TEST';
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ERROR 42000: Missing action after synchronization point name 'TEST'
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SET DEBUG_SYNC='p0 TEST p0';
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ERROR 42000: Nothing must follow action TEST
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SET DEBUG_SYNC='p0 RESET';
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ERROR 42000: Illegal or out of order stuff: 'RESET'
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SET DEBUG_SYNC='RESET p0';
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ERROR 42000: Illegal or out of order stuff: 'p0'
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SET DEBUG_SYNC='p0 RESET p0';
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ERROR 42000: Illegal or out of order stuff: 'RESET'
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SET DEBUG_SYNC='p0 SIGNAL ';
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ERROR 42000: Missing signal name after action SIGNAL
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SET DEBUG_SYNC='p0 WAIT_FOR ';
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ERROR 42000: Missing signal name after action WAIT_FOR
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SET DEBUG_SYNC='p0 SIGNAL s1 EXECUTE ';
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ERROR 42000: Missing valid number after EXECUTE
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SET DEBUG_SYNCx='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6 EXECUTE 2 HIT_LIMIT 3';
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ERROR HY000: Unknown system variable 'DEBUG_SYNCx'
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SET DEBUG_SYNC='p0 SIGNAx s1 WAIT_FOR s2 TIMEOUT 6 EXECUTE 2 HIT_LIMIT 3';
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ERROR 42000: Illegal or out of order stuff: 'SIGNAx'
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SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOx s2 TIMEOUT 6 EXECUTE 2 HIT_LIMIT 3';
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ERROR 42000: Illegal or out of order stuff: 'WAIT_FOx'
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SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUx 0 EXECUTE 2 HIT_LIMIT 3';
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ERROR 42000: Illegal or out of order stuff: 'TIMEOUx'
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SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6 EXECUTx 2 HIT_LIMIT 3';
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ERROR 42000: Illegal or out of order stuff: 'EXECUTx'
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SET DEBUG_SYNC='p0 SIGNAL s1 WAIT_FOR s2 TIMEOUT 6 EXECUTE 2 HIT_LIMIx 3';
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ERROR 42000: Illegal or out of order stuff: 'HIT_LIMIx'
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SET DEBUG_SYNC='p0 CLEARx';
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ERROR 42000: Illegal or out of order stuff: 'CLEARx'
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SET DEBUG_SYNC='p0 TESTx';
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ERROR 42000: Illegal or out of order stuff: 'TESTx'
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SET DEBUG_SYNC='RESETx';
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ERROR 42000: Missing action after synchronization point name 'RESETx'
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SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 0x6 EXECUTE 2 HIT_LIMIT 3';
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ERROR 42000: Missing valid number after TIMEOUT
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SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6 EXECUTE 0x2 HIT_LIMIT 3';
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ERROR 42000: Missing valid number after EXECUTE
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SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 7 EXECUTE 2 HIT_LIMIT 0x3';
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ERROR 42000: Missing valid number after HIT_LIMIT
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SET DEBUG_SYNC= 7;
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ERROR 42000: Incorrect argument type to variable 'debug_sync'
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SET GLOBAL DEBUG_SYNC= 'p0 CLEAR';
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ERROR HY000: Variable 'debug_sync' is a SESSION variable and can't be used with SET GLOBAL
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SET @myvar= 'now SIGNAL from_myvar';
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SET DEBUG_SYNC= @myvar;
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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Variable_name Value
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debug_sync ON - current signals: 'from_myvar'
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SET DEBUG_SYNC= LEFT('now SIGNAL from_function_cut_here', 24);
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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Variable_name Value
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debug_sync ON - current signals: 'from_myvar,from_function'
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SET DEBUG_SYNC= 'now SIGNAL something';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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Variable_name Value
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debug_sync ON - current signals: 'something,from_function,from_myvar'
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SET DEBUG_SYNC= 'now WAIT_FOR nothing TIMEOUT 0';
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Warnings:
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Warning #### debug sync point wait timed out
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SET DEBUG_SYNC= 'now SIGNAL nothing';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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Variable_name Value
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debug_sync ON - current signals: 'something,from_function,nothing,from_myvar'
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SET DEBUG_SYNC= 'now WAIT_FOR nothing TIMEOUT 0';
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SET DEBUG_SYNC= 'now SIGNAL something EXECUTE 0';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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Variable_name Value
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debug_sync ON - current signals: 'something,from_function,from_myvar'
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SET DEBUG_SYNC= 'now WAIT_FOR anotherthing TIMEOUT 0 EXECUTE 0';
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SET DEBUG_SYNC= 'now HIT_LIMIT 1';
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ERROR HY000: debug sync point hit limit reached
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SET DEBUG_SYNC= 'RESET';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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Variable_name Value
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debug_sync ON - current signals: ''
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SET DEBUG_SYNC= 'p1abcd SIGNAL s1 EXECUTE 2';
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SET DEBUG_SYNC= 'p2abc SIGNAL s2 EXECUTE 2';
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SET DEBUG_SYNC= 'p9abcdef SIGNAL s9 EXECUTE 2';
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SET DEBUG_SYNC= 'p4a SIGNAL s4 EXECUTE 2';
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SET DEBUG_SYNC= 'p5abcde SIGNAL s5 EXECUTE 2';
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SET DEBUG_SYNC= 'p6ab SIGNAL s6 EXECUTE 2';
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SET DEBUG_SYNC= 'p7 SIGNAL s7 EXECUTE 2';
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SET DEBUG_SYNC= 'p8abcdef SIGNAL s8 EXECUTE 2';
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SET DEBUG_SYNC= 'p3abcdef SIGNAL s3 EXECUTE 2';
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SET DEBUG_SYNC= 'p4a TEST';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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Variable_name Value
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debug_sync ON - current signals: 's4'
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SET DEBUG_SYNC= 'p1abcd TEST';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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Variable_name Value
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debug_sync ON - current signals: 's4,s1'
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SET DEBUG_SYNC= 'p7 TEST';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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Variable_name Value
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debug_sync ON - current signals: 's1,s7,s4'
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SET DEBUG_SYNC= 'p9abcdef TEST';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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Variable_name Value
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debug_sync ON - current signals: 's1,s7,s4,s9'
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SET DEBUG_SYNC= 'p3abcdef TEST';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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Variable_name Value
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debug_sync ON - current signals: 's1,s3,s4,s9,s7'
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SET DEBUG_SYNC= 'now WAIT_FOR s9';
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SET DEBUG_SYNC= 'now WAIT_FOR s1';
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SET DEBUG_SYNC= 'now WAIT_FOR s4';
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SET DEBUG_SYNC= 'now WAIT_FOR s7';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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Variable_name Value
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debug_sync ON - current signals: 's3'
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SET DEBUG_SYNC= 'p1abcd CLEAR';
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SET DEBUG_SYNC= 'p2abc CLEAR';
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SET DEBUG_SYNC= 'p5abcde CLEAR';
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SET DEBUG_SYNC= 'p6ab CLEAR';
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SET DEBUG_SYNC= 'p8abcdef CLEAR';
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SET DEBUG_SYNC= 'p9abcdef CLEAR';
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SET DEBUG_SYNC= 'p3abcdef CLEAR';
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SET DEBUG_SYNC= 'p4a CLEAR';
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SET DEBUG_SYNC= 'p7 CLEAR';
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SET DEBUG_SYNC= 'p1abcd TEST';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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Variable_name Value
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debug_sync ON - current signals: 's3'
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SET DEBUG_SYNC= 'p7 TEST';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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Variable_name Value
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debug_sync ON - current signals: 's3'
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SET DEBUG_SYNC= 'p9abcdef TEST';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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Variable_name Value
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debug_sync ON - current signals: 's3'
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SET DEBUG_SYNC= 'RESET';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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Variable_name Value
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debug_sync ON - current signals: ''
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CREATE USER mysqltest_1@localhost;
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GRANT SUPER ON *.* TO mysqltest_1@localhost;
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connect con1,localhost,mysqltest_1,,;
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SET DEBUG_SYNC= 'RESET';
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disconnect con1;
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connection default;
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DROP USER mysqltest_1@localhost;
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CREATE USER mysqltest_2@localhost;
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GRANT ALL ON *.* TO mysqltest_2@localhost;
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REVOKE SUPER ON *.* FROM mysqltest_2@localhost;
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connect con1,localhost,mysqltest_2,,;
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SET DEBUG_SYNC= 'RESET';
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ERROR 42000: Access denied; you need (at least one of) the SUPER privilege(s) for this operation
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disconnect con1;
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connection default;
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DROP USER mysqltest_2@localhost;
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SET DEBUG_SYNC= 'RESET';
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (c1 INT);
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connect con1,localhost,root,,;
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SET DEBUG_SYNC= 'before_lock_tables_takes_lock
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SIGNAL opened WAIT_FOR flushed';
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INSERT INTO t1 VALUES(1);
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connection default;
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SET DEBUG_SYNC= 'now WAIT_FOR opened';
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SET DEBUG_SYNC= 'after_flush_unlock SIGNAL flushed';
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FLUSH TABLE t1;
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connection con1;
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disconnect con1;
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connection default;
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DROP TABLE t1;
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SET DEBUG_SYNC= 'RESET';
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (c1 INT) ENGINE=MyISAM;
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INSERT INTO t1 VALUES (1);
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SELECT GET_LOCK('mysqltest_lock', 100);
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GET_LOCK('mysqltest_lock', 100)
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1
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connect con1,localhost,root,,;
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# Sending:
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UPDATE t1 SET c1=GET_LOCK('mysqltest_lock', 100);;
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connect con2,localhost,root,,;
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SET DEBUG_SYNC= 'wait_for_lock SIGNAL locked EXECUTE 2';
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INSERT INTO t1 VALUES (1);
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connection default;
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SET DEBUG_SYNC= 'now WAIT_FOR locked';
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SELECT RELEASE_LOCK('mysqltest_lock');
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RELEASE_LOCK('mysqltest_lock')
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1
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connection con1;
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# Reaping UPDATE
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SELECT RELEASE_LOCK('mysqltest_lock');
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RELEASE_LOCK('mysqltest_lock')
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1
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connection con2;
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retrieve INSERT result.
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disconnect con1;
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disconnect con2;
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connection default;
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DROP TABLE t1;
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#
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# Test NO_CLEAR_EVENT flag. The signal should still be visible after
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# the wait has completed succesfully.
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#
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SET DEBUG_SYNC= 'now SIGNAL s1';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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Variable_name Value
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debug_sync ON - current signals: 's1'
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SET DEBUG_SYNC= 'now WAIT_FOR s1 NO_CLEAR_EVENT';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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Variable_name Value
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debug_sync ON - current signals: 's1'
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SET DEBUG_SYNC= 'now WAIT_FOR s1';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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Variable_name Value
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debug_sync ON - current signals: ''
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SET DEBUG_SYNC= 'now SIGNAL s1,s2,s5,s7';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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Variable_name Value
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debug_sync ON - current signals: 's2,s7,s1,s5'
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SET DEBUG_SYNC= 'RESET';
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