1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
CREATE TABLE ten (f1 INTEGER) Engine=InnoDB;
INSERT INTO ten VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
CREATE TABLE t1 (f1 INTEGER AUTO_INCREMENT PRIMARY KEY, f2 INTEGER) Engine=InnoDB;
set session wsrep_sync_wait=15;
SET GLOBAL wsrep_slave_threads = 4;
INSERT INTO t1 (f2) SELECT 1 FROM ten AS a1, ten AS a2, ten AS a3, ten AS a4;;
INSERT INTO t1 (f2) SELECT 1 FROM ten AS a1, ten AS a2, ten AS a3, ten AS a4;;
INSERT INTO t1 (f2) SELECT 1 FROM ten AS a1, ten AS a2, ten AS a3, ten AS a4;;
SELECT COUNT(*) FROM t1;
COUNT(*)
30000
SELECT COUNT(DISTINCT f1) FROM t1;
COUNT(DISTINCT f1)
30000
DROP TABLE t1;
DROP TABLE ten;
|
