/usr/lib/mysql-testsuite/t/percona_bug45702.test is in percona-server-test-5.6 5.6.22-rel71.0-0ubuntu4.
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# Bug #45702: Impossible to specify myisam_sort_buffer > 4GB on 64 bit machines
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--source include/have_64bit.inc
# Check that having data larger than MIN_SORT_BUFFER bytes can be handled by
# _create_index_by_sort() with myisam_sort_buffer_size = 4 GB without errors.
# The full test with large data volumes can not be a part of the test suite.
CREATE TABLE t1 (a BIGINT NOT NULL AUTO_INCREMENT PRIMARY KEY) ENGINE=MyISAM;
INSERT INTO t1 VALUES (), (), (), (), (), (), (), ();
INSERT INTO t1 SELECT NULL FROM t1;
INSERT INTO t1 SELECT NULL FROM t1;
INSERT INTO t1 SELECT NULL FROM t1;
INSERT INTO t1 SELECT NULL FROM t1;
INSERT INTO t1 SELECT NULL FROM t1;
INSERT INTO t1 SELECT NULL FROM t1;
INSERT INTO t1 SELECT NULL FROM t1;
INSERT INTO t1 SELECT NULL FROM t1;
INSERT INTO t1 SELECT NULL FROM t1;
SET @old_myisam_sort_buffer_size = @@myisam_sort_buffer_size;
SET @@myisam_sort_buffer_size = 4 * 1024 * 1024 * 1024;
REPAIR TABLE t1;
--let $MYSQLD_DATADIR= `select @@datadir`
--replace_result $MYSQLD_DATADIR MYSQLD_DATADIR
--exec $MYISAMCHK -r --sort_buffer_size=4G $MYSQLD_DATADIR/test/t1
SET @@myisam_sort_buffer_size = @old_myisam_sort_buffer_size;
DROP TABLE t1;
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