# Variable Name: stored_program_cache # Scope: GLOBAL # Access Type: Dynamic # Data Type: numeric # Default Value: 256 # Range: 256-524288 --source include/load_sysvars.inc --echo # Saving initial value of stored_program_cache in a temporary variable SET @start_value = @@global.stored_program_cache; SELECT @start_value; --echo # Display the DEFAULT value of stored_program_cache SET @@global.stored_program_cache = DEFAULT; SELECT @@global.stored_program_cache; --echo # Verify default value of variable SELECT @@global.stored_program_cache = 256; --echo # Change the value of stored_program_cache to a valid value SET @@global.stored_program_cache = 512; SELECT @@global.stored_program_cache; --echo # Change the value of stored_program_cache to invalid value SET @@global.stored_program_cache = -1; SELECT @@global.stored_program_cache; SET @@global.stored_program_cache =100000000000; SELECT @@global.stored_program_cache; SET @@global.stored_program_cache = 0; SELECT @@global.stored_program_cache; --Error ER_WRONG_TYPE_FOR_VAR SET @@global.stored_program_cache = 10000.01; --Error ER_WRONG_TYPE_FOR_VAR SET @@global.stored_program_cache = ON; --Error ER_WRONG_TYPE_FOR_VAR SET @@global.stored_program_cache= 'test'; --Error ER_WRONG_TYPE_FOR_VAR SET @@global.stored_program_cache = ''; --echo # Test if accessing session stored_program_cache gives error --Error ER_GLOBAL_VARIABLE SET @@session.stored_program_cache = 0; --echo # Check if accessing variable without SCOPE points to same global variable SET @@global.stored_program_cache = 512; SELECT @@stored_program_cache = @@global.stored_program_cache; --echo # Restore initial value SET @@global.stored_program_cache = @start_value; SELECT @@global.stored_program_cache;