File: bench_count_distinct.test

package info (click to toggle)
mysql-dfsg-5.0 5.0.51a-24%2Blenny5
  • links: PTS, VCS
  • area: main
  • in suites: lenny
  • size: 106,168 kB
  • ctags: 94,516
  • sloc: cpp: 447,179; ansic: 411,410; perl: 38,307; sh: 37,449; tcl: 30,484; pascal: 14,851; yacc: 8,559; makefile: 5,078; java: 4,610; xml: 3,953; sql: 2,920; awk: 1,338; asm: 1,061; sed: 772
file content (22 lines) | stat: -rw-r--r-- 416 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
#
# 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;
while ($1)
{
 eval insert into t1 values($1);
 eval insert into t1 values($1);
 dec $1;
}
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