43 lines
1.7 KiB
Plaintext
43 lines
1.7 KiB
Plaintext
# Setup
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CREATE USER sys_user, non_sys_user;
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GRANT CONNECTION_ADMIN, SYSTEM_VARIABLES_ADMIN ON *.* TO non_sys_user;
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GRANT SYSTEM_USER, CREATE, SELECT, INSERT, EXECUTE,SET_USER_ID,
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SYSTEM_VARIABLES_ADMIN ON *.* TO sys_user;
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#------------------------------------------------------------------------
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# 1. User without SYSTEM_USER privilege cannot the kill query running
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# in the power session
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#------------------------------------------------------------------------
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SET DEBUG_SYNC= 'before_join_optimize SIGNAL in_sync WAIT_FOR continue';
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PREPARE stmt FROM 'SELECT count(*) FROM t1,t2,t3,t4,t5 WHERE a1=a2 AND a2=a3 AND a3=a4 AND a4=a5 ';
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EXECUTE stmt;
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# Regular session should not be able to to kill the query running in
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# power session.
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SET DEBUG_SYNC= 'now WAIT_FOR in_sync';
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KILL QUERY <CONNECTION_ID>;
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ERROR HY000: You are not owner of thread <CONNECTION_ID>
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SET DEBUG_SYNC= 'now SIGNAL continue';
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count(*)
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7
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SET DEBUG_SYNC= 'before_join_optimize SIGNAL in_sync WAIT_FOR continue';
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EXECUTE stmt;
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# The running query cannot be killed by non_sys_user user
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# even after revoking the SYSTEM_USER privilege from sys_user
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REVOKE SYSTEM_USER ON *.* FROM sys_user;
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SET DEBUG_SYNC= 'now WAIT_FOR in_sync';
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KILL QUERY <CONNECTION_ID>;
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ERROR HY000: You are not owner of thread <CONNECTION_ID>
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SET DEBUG_SYNC= 'now SIGNAL continue';
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count(*)
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7
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SET DEBUG_SYNC= 'before_join_optimize SIGNAL in_sync WAIT_FOR continue';
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EXECUTE stmt;
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# Another power_session should be able to kill the query.
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SET DEBUG_SYNC= 'now WAIT_FOR in_sync';
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KILL QUERY <CONNECTION_ID>;
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SET DEBUG_SYNC= 'now SIGNAL continue';
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# Verify that query was killed
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ERROR 70100: Query execution was interrupted
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SET DEBUG_SYNC = 'RESET';
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# Test Cleanup
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DROP USER sys_user, non_sys_user;
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