--source include/have_innodb_max_16k.inc --echo # --echo # Bug #19498877 LIMITATION ON BLOB SIZE IS TOO STRICT, BLOB CAN --echo # BE 10% OF TOTAL REDO LOG SIZE --echo # SET GLOBAL max_allowed_packet = 100*1024*1024; --echo # Connection big_packets: connect(big_packets,localhost,root,,); connection big_packets; CREATE TABLE t1 (a BIGINT PRIMARY KEY, b LONGBLOB) ENGINE=InnoDB; # Insert a few rows (it doesn't really matter how many). These transactions # are committed once they are acked, so they should not be lost. INSERT INTO t1 (a, b) VALUES (1, '1'); INSERT INTO t1 (a, b) VALUES (2, '2'); INSERT INTO t1 (a, b) VALUES (3, '3'); INSERT INTO t1 (a, b) VALUES (4, '4'); INSERT INTO t1 (a, b) VALUES (5, '5'); start transaction; INSERT INTO t1 (a, b) VALUES (6, REPEAT('a', 6*1024*1024)); --echo # Connection default: connection default; # Wait for 300 seconds instead of the default 100 --let $wait_counter= 3000 --source include/kill_and_restart_mysqld.inc --disconnect big_packets # We should see (1,2,3,4,5) here. SELECT a, b FROM t1; SET GLOBAL max_allowed_packet = 100*1024*1024; --echo # Connection big_packets: connect(big_packets,localhost,root,,); start transaction; UPDATE t1 SET b = REPEAT('a', 6*1024*1024) WHERE a = 1; --echo # Connection default: connection default; # Wait for 300 seconds instead of the default 100 --let $wait_counter= 3000 --source include/kill_and_restart_mysqld.inc --echo # Connection default: connection default; --disconnect big_packets # We should see (1,2,3,4,5) here. SELECT a, b FROM t1; # Clean up. DROP TABLE t1;