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--source include/not_embedded.inc --echo # --echo # Variable name : session_track_schema --echo # Scope : Global & Session --echo # --echo # Global - default SELECT @@global.session_track_schema; --echo # Session - default SELECT @@session.session_track_schema; --echo --echo # via INFORMATION_SCHEMA.GLOBAL_VARIABLES --disable_warnings SELECT * FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME LIKE 'track_current%'; --enable_warnings --echo # via INFORMATION_SCHEMA.SESSION_VARIABLES --disable_warnings SELECT * FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME LIKE 'track_current%'; --enable_warnings # Save the global value to be used to restore the original value. SET @global_saved_tmp = @@global.session_track_schema; --echo --echo # Altering global variable's value SET @@global.session_track_schema = 0; SELECT @@global.session_track_schema; SELECT @@session.session_track_schema; SET @@global.session_track_schema = TrUe; SELECT @@global.session_track_schema; SELECT @@session.session_track_schema; SET @@global.session_track_schema = FaLsE; SELECT @@global.session_track_schema; SELECT @@session.session_track_schema; --echo --echo # Altering session variable's value SET @@session.session_track_schema = 0; SELECT @@global.session_track_schema; SELECT @@session.session_track_schema; --echo --echo # Variables' values in a new session. connect (con1,"127.0.0.1",root,,test,$MASTER_MYPORT,); --echo # Global - expect 0 SELECT @@global.session_track_schema; --echo --echo # Session - expect 0 SELECT @@session.session_track_schema; --echo --echo # Switching to the default connection. connection default; SELECT @@global.session_track_schema; SELECT @@session.session_track_schema; --echo --echo # Test if DEFAULT is working as expected. SET @@global.session_track_schema = DEFAULT; SET @@session.session_track_schema = DEFAULT; --echo --echo # Global - expect 1 SELECT @@global.session_track_schema; --echo # Session - expect 1 SELECT @@session.session_track_schema; --echo --echo # Variables' values in a new session (con2). connect (con2,"127.0.0.1",root,,test,$MASTER_MYPORT,); SELECT @@global.session_track_schema; SELECT @@session.session_track_schema; --echo --echo # Altering session should not affect global. SET @@session.session_track_schema = FALSE; SELECT @@global.session_track_schema; SELECT @@session.session_track_schema; --echo --echo # Variables' values in a new session (con3). connect (con3,"127.0.0.1",root,,test,$MASTER_MYPORT,); --echo # Altering global should not affect session. SET @@global.session_track_schema = OFF; SELECT @@global.session_track_schema; SELECT @@session.session_track_schema; --echo --echo # Switching to the default connection. connection default; --echo # Restoring the original values. SET @@global.session_track_schema = @global_saved_tmp; --echo # End of tests.