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############################################################################ # # # Variable Name: timestamp # # Scope: GLOBAL # # Access Type: Dynamic # # Data Type: INTEGER # # # # # # Creation Date: 2008-02-25 # # Author: Sharique Abdullah # # # # Modified: HHunger 2008-08-28 Reimplemented the test completely. # # # # Description: Test Cases of Dynamic System Variable "timestamp" # # that checks behavior of this variable in the following ways # # * Functionality based on different values # # # # Reference: http://dev.mysql.com/doc/refman/5.1/en/set-option.html # # # ############################################################################ # Change timestamp which must have an effect on now(), but not on sysdate(). # Use Unix epoch timestamp # All comparisons must deliver true(1) # Exception: --sysdate-is-now switches off this behaviour and must not be set. --echo ** Connecting con1 using root ** connect (con1,localhost,root,,); SELECT date(now()) = date(sysdate()); SET @@session.timestamp = 1100000000; SELECT date(now()) != date(sysdate()); # Assure that setting of the variable has no effect on other session. --echo ** Connecting con0 using root ** connect (con0,localhost,root,,); SELECT @@session.timestamp != 1100000000; SET @@session.timestamp = 1000000000; SELECT date(now()) != date(sysdate()); --echo ** Connection con1 ** connection con1; SELECT @@session.timestamp != 1000000000; SELECT @@session.timestamp = 1100000000; --echo ** Connection default ** connection default; --echo Disconnecting Connections con0, con1 disconnect con0; disconnect con1;