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--source include/have_rocksdb.inc
# For Issue#117 MyRocks does merge sort with small data sets
let $datadir = `SELECT @@datadir`;
--disable_query_log
let $i= 0;
while ($i < 30) {
DROP TABLE IF EXISTS ti_nk;
CREATE TABLE `ti_nk` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
`c` varchar(36) COLLATE latin1_bin NOT NULL,
PRIMARY KEY (`c`)
);
let $j = 0;
while ($j < 200) {
eval insert into ti_nk values ($j, $j, md5($j));
inc $j;
}
select variable_value into @s from information_schema.global_status where variable_name='Sort_merge_passes';
eval SELECT a, b, c FROM ti_nk ORDER BY a,b,c INTO OUTFILE '$datadir/select.out';
--remove_file $datadir/select.out
select case when variable_value-@s = 0 then 'true' else 'false' end as skip_merge_sort from information_schema.global_status where variable_name='Sort_merge_passes';
inc $i;
}
--enable_query_log
DROP TABLE ti_nk;
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