#
# Preparatory cleanup.
#
DROP TABLE IF EXISTS t1;
#
# We need a fixed timestamp to avoid varying results.
#
SET timestamp=1000000000;
#
# We need big packets.
#
SET @@global.max_allowed_packet= 1024*1024*1024;
#
# Delete all existing binary logs.
#
RESET MASTER;
#
# Create a test table.
#
CREATE TABLE t1 (
c1 LONGTEXT
) ENGINE=MyISAM DEFAULT CHARSET latin1;
#
# Show how much rows are affected by each statement.
#
#
# Insert a big row.
#
INSERT INTO t1 VALUES (REPEAT('ManyMegaByteBlck', 2097152));
affected rows: 1
#
# Show what we have in the table.
# Do not display the column value itself, just its length.
#
SELECT LENGTH(c1) FROM t1;
LENGTH(c1)	33554432
affected rows: 1
#
# Grow the row by updating.
#
UPDATE t1 SET c1 = CONCAT(c1, c1);
affected rows: 1
info: Rows matched: 1  Changed: 1  Warnings: 0
#
# Show what we have in the table.
# Do not display the column value itself, just its length.
#
SELECT LENGTH(c1) FROM t1;
LENGTH(c1)	67108864
affected rows: 1
#
# Delete the row.
#
DELETE FROM t1 WHERE c1 >= 'ManyMegaByteBlck';
affected rows: 1
#
# Hide how much rows are affected by each statement.
#
#
# Flush all log buffers to the log file.
#
FLUSH LOGS;
#
# Call mysqlbinlog to display the log file contents.
# NOTE: The output of mysqlbinlog is redirected to
#       $MYSQLTEST_VARDIR/tmp/mysqlbinlog_big_1.out
#       If you want to examine it, disable remove_file
#       at the bottom of the test script.
#
#
# Cleanup.
#
DROP TABLE t1;
remove_file $MYSQLTEST_VARDIR/tmp/mysqlbinlog_big_1.out