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View File Name : mysql-bug41486.test

#
# Bug#41486 extra character appears in BLOB for every ~40Mb after
#           mysqldump/import
#
# This test consumes a significant amount of resources.
# Therefore it should be kept separated from other tests.
# Otherwise we might suffer from problems like
# Bug#43801 mysql.test takes too long, fails due to expired timeout
#           on debx86-b in PB
#

-- source include/not_embedded.inc

--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings

# Have to change the global variable as the session variable is
# read-only.
SET @old_max_allowed_packet= @@global.max_allowed_packet;
# 2 MB blob length + some space for the rest of INSERT query
SET @@global.max_allowed_packet = 2 * 1024 * 1024 + 1024;

# Create a new connection since the global max_allowed_packet
# has no effect for the current connection
connect (con1, localhost, root,,);

CREATE TABLE t1(data LONGBLOB);
INSERT INTO t1 SELECT REPEAT('1', 2*1024*1024);

let $outfile= $MYSQLTEST_VARDIR/tmp/bug41486.sql;
--error 0,1
remove_file $outfile;
--exec $MYSQL_DUMP test t1 > $outfile
SET @old_general_log = @@global.general_log;
SET @@global.general_log = 0;
# Check that the mysql client does not insert extra newlines when loading
# strings longer than client's max_allowed_packet
--exec $MYSQL --max_allowed_packet=1M test < $outfile 2>&1
SET @@global.general_log = @old_general_log;
SELECT LENGTH(data) FROM t1;

DROP TABLE t1;

# Cleanup
disconnect con1;
--source include/wait_until_disconnected.inc
remove_file $outfile;
connection default;
SET @@global.max_allowed_packet = @old_max_allowed_packet;