SET @start_max_allowed_packet= @@global.max_allowed_packet; SET @start_value= @@global.net_buffer_length; drop table if exists t1; ## Creating new table t1 ## CREATE TABLE t1 ( id INT NOT NULL auto_increment, PRIMARY KEY (id), name BLOB ); '#--------------------FN_DYNVARS_070_01-------------------------#' ## Setting value of max_allowed packet and net_buffer_length to 1024 ## SET @@session.max_allowed_packet = 1024; ERROR HY000: SESSION variable 'max_allowed_packet' is read-only. Use SET GLOBAL to assign the value SELECT @@session.max_allowed_packet > 0; @@session.max_allowed_packet > 0 1 SET @@session.net_buffer_length = 1024; ERROR HY000: SESSION variable 'net_buffer_length' is read-only. Use SET GLOBAL to assign the value SELECT @@session.net_buffer_length > 0; @@session.net_buffer_length > 0 1 '#--------------------FN_DYNVARS_070_02-------------------------#' ## Setting value of max_allowed packet and net_buffer_length to 1024 ## SET @@global.max_allowed_packet = 1024; Warnings: Warning 1708 The value of 'max_allowed_packet' should be no less than the value of 'net_buffer_length' SET @@global.net_buffer_length = 1024; SELECT @@global.max_allowed_packet; @@global.max_allowed_packet 1024 SELECT @@global.net_buffer_length; @@global.net_buffer_length 1024 connect test_con1,localhost,root,,; connection test_con1; ## Inserting and fetching data of length greater than 1024 ## INSERT into t1(name) values("aaassssssssddddddddffffffgggggggg, askdlfjalsdkjfalksdjflaksdjfalkjdflaksjdflakjdflajsflajflajdfalsjfdlajfladjslfajdflajdsflajsflakjsdfla;kjflsdjkf;aljfa;lkdsfjla;sjlkajffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllakjsdffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa;;;;;;;;;;;;;;;;;;;;;;;;;;;dsklfjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjkljffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffdkskkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk"); disconnect test_con1; connection default; drop table t1; SET @@global.max_allowed_packet= @start_max_allowed_packet; SET @@global.net_buffer_length= @start_value;