421 lines
14 KiB
Plaintext
421 lines
14 KiB
Plaintext
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###################### t/debug_sync.test ###############################
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# #
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# Testing of the Debug Sync Facility. #
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# #
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# There is important documentation within sql/debug_sync.cc #
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# #
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# Used objects in this test case: #
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# p0 - synchronization point 0. Non-existent dummy sync point. #
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# s1 - signal 1. #
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# s2 - signal 2. #
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# #
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# Creation: #
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# 2008-02-18 istruewing #
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# #
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########################################################################
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#
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# We need the Debug Sync Facility.
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#
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--source include/have_debug_sync.inc
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#
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# We are checking privileges, which the embedded server cannot do.
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#
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--source include/not_embedded.inc
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#
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# Preparative cleanup.
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#
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--disable_warnings
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SET DEBUG_SYNC= 'RESET';
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DROP TABLE IF EXISTS t1;
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--enable_warnings
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#
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# Show the special system variable.
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# It shows ON or OFF depending on the command line option --debug-sync.
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# The test case assumes it is ON (command line option present).
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#
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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#
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# Syntax. Valid forms.
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#
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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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#
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# Syntax. Valid forms. Lower case.
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#
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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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#
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# Syntax. Valid forms. Line wrap, leading, mid, trailing space.
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#
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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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#
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# Syntax. Invalid forms.
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#
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC=' ';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 EXECUTE 2';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 TIMEOUT 6 EXECUTE 2';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 TIMEOUT 6';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 WAIT_FOR s2 SIGNAL s1';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 WAIT_FOR s2 SIGNAL s1 EXECUTE 2';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 WAIT_FOR s2 SIGNAL s1 TIMEOUT 6 EXECUTE 2';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 WAIT_FOR s2 SIGNAL s1 TIMEOUT 6';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6 SIGNAL s1 EXECUTE 2';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6 SIGNAL s1';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 TIMEOUT 6 WAIT_FOR s2 EXECUTE 2';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 TIMEOUT 6 WAIT_FOR s2';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 SIGNAL s1 TIMEOUT 6 EXECUTE 2';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 SIGNAL s1 TIMEOUT 6';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 EXECUTE 2 SIGNAL s1 TIMEOUT 6';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 TIMEOUT 6 SIGNAL s1';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 EXECUTE 2 TIMEOUT 6 SIGNAL s1';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 CLEAR HIT_LIMIT 3';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='CLEAR';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 CLEAR p0';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='TEST';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 TEST p0';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 RESET';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='RESET p0';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 RESET p0';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 SIGNAL ';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 WAIT_FOR ';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 SIGNAL s1 EXECUTE ';
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#
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# Syntax. Invalid keywords used.
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#
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--error ER_UNKNOWN_SYSTEM_VARIABLE
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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 ER_PARSE_ERROR
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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 ER_PARSE_ERROR
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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 ER_PARSE_ERROR
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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 ER_PARSE_ERROR
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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 ER_PARSE_ERROR
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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 ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 CLEARx';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 TESTx';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='RESETx';
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#
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# Syntax. Invalid numbers. Decimal only.
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#
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 0x6 EXECUTE 2 HIT_LIMIT 3';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 6 EXECUTE 0x2 HIT_LIMIT 3';
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--error ER_PARSE_ERROR
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SET DEBUG_SYNC='p0 WAIT_FOR s2 TIMEOUT 7 EXECUTE 2 HIT_LIMIT 0x3';
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#
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# Syntax. Invalid value type.
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#
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--error ER_WRONG_TYPE_FOR_VAR
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SET DEBUG_SYNC= 7;
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#
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# Syntax. DEBUG_SYNC is a SESSION-only variable.
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#
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--error ER_LOCAL_VARIABLE
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SET GLOBAL DEBUG_SYNC= 'p0 CLEAR';
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#
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# Syntax. The variable value does not need to be a string literal.
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#
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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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#
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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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#
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# Functional tests.
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#
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# NOTE: There is the special synchronization point 'now'. It is placed
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# immediately after setting of the DEBUG_SYNC variable.
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# So it is executed before the SET statement ends.
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#
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# NOTE: There is only one global signal (say "signal post" or "flag mast").
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# A SIGNAL action writes its signal into it ("sets a flag").
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# The signal persists until explicitly overwritten.
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# To avoid confusion for later tests, it is recommended to clear
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# the signal by signalling "empty" ("setting the 'empty' flag"):
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# SET DEBUG_SYNC= 'now SIGNAL empty';
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# Preferably you can reset the whole facility with:
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# SET DEBUG_SYNC= 'RESET';
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# The signal is then '' (really empty) which connot be done otherwise.
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#
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#
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# Time out immediately. This gives just a warning.
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#
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SET DEBUG_SYNC= 'now SIGNAL something';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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# Suppress warning number
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--replace_column 2 ####
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SET DEBUG_SYNC= 'now WAIT_FOR nothing TIMEOUT 0';
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#
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# If signal is present already, TIMEOUT 0 does not give a warning.
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#
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SET DEBUG_SYNC= 'now SIGNAL nothing';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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SET DEBUG_SYNC= 'now WAIT_FOR nothing TIMEOUT 0';
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#
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# EXECUTE 0 is effectively a no-op.
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#
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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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SET DEBUG_SYNC= 'now WAIT_FOR anotherthing TIMEOUT 0 EXECUTE 0';
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#
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# Run into HIT_LIMIT. This gives an error.
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#
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--error ER_DEBUG_SYNC_HIT_LIMIT
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SET DEBUG_SYNC= 'now HIT_LIMIT 1';
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#
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# Many actions. Watch the array growing and shrinking in the debug trace:
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# egrep 'query:|debug_sync_action:' mysql-test/var/log/master.trace
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#
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SET DEBUG_SYNC= 'RESET';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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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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#
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# Execute some actions to show they exist. Each sets a distinct signal.
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#
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SET DEBUG_SYNC= 'p4a TEST';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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SET DEBUG_SYNC= 'p1abcd TEST';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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SET DEBUG_SYNC= 'p7 TEST';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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SET DEBUG_SYNC= 'p9abcdef TEST';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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SET DEBUG_SYNC= 'p3abcdef TEST';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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#
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# Clear the actions.
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#
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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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#
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# Execute some actions to show they have gone.
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#
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SET DEBUG_SYNC= 'p1abcd TEST';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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SET DEBUG_SYNC= 'p7 TEST';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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SET DEBUG_SYNC= 'p9abcdef TEST';
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SHOW VARIABLES LIKE 'DEBUG_SYNC';
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#
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# Now cleanup. Actions are clear already, but signal needs to be cleared.
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#
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SET DEBUG_SYNC= 'RESET';
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|
|
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';
|
||
|
|
|