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Diffstat (limited to 'mysql-test/main/bench_count_distinct.test')
| -rw-r--r-- | mysql-test/main/bench_count_distinct.test | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/mysql-test/main/bench_count_distinct.test b/mysql-test/main/bench_count_distinct.test new file mode 100644 index 00000000..87e3d75e --- /dev/null +++ b/mysql-test/main/bench_count_distinct.test @@ -0,0 +1,24 @@ +# +# Test of count(distinct ..) +# + +--disable_warnings +drop table if exists t1; +--enable_warnings +create table t1(n int not null, key(n)) delay_key_write = 1; +let $1=100; +--disable_query_log +begin; +while ($1) +{ + eval insert into t1 values($1); + eval insert into t1 values($1); + dec $1; +} +commit; +--enable_query_log +select count(distinct n) from t1; +explain extended select count(distinct n) from t1; +drop table t1; + +# End of 4.1 tests |