mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-04-18 21:44:02 +03:00
23 lines
454 B
Plaintext
23 lines
454 B
Plaintext
DROP DATABASE IF EXISTS mcs120_db;
|
|
CREATE DATABASE mcs120_db;
|
|
USE mcs120_db;
|
|
CREATE TABLE t1 (x INT)ENGINE=Columnstore;
|
|
SELECT * FROM t1;
|
|
x
|
|
SELECT COUNT(*) FROM t1;
|
|
COUNT(*)
|
|
0
|
|
SHOW STATUS LIKE 'Empty_queries';
|
|
Variable_name Value
|
|
Empty_queries 1
|
|
SELECT * FROM t1 LIMIT 0;
|
|
x
|
|
SHOW STATUS LIKE 'Empty_queries';
|
|
Variable_name Value
|
|
Empty_queries 2
|
|
DROP TABLE t1;
|
|
SHOW STATUS LIKE 'Empty_queries';
|
|
Variable_name Value
|
|
Empty_queries 2
|
|
DROP DATABASE mcs120_db;
|