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Server version: 11.4.5-3-MariaDB-Enterprise MariaDB Enterprise Server
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MariaDB [(none)]>SELECT PLUGIN_NAME, PLUGIN_STATUS
FROM information_schema.PLUGINS
WHERE PLUGIN_LIBRARY LIKE 'ha_columnstore%';+---------------------+---------------+
| PLUGIN_NAME | PLUGIN_STATUS |
+---------------------+---------------+
| Columnstore | ACTIVE |
| COLUMNSTORE_COLUMNS | ACTIVE |
| COLUMNSTORE_TABLES | ACTIVE |
| COLUMNSTORE_FILES | ACTIVE |
| COLUMNSTORE_EXTENTS | ACTIVE |
+---------------------+---------------+CREATE DATABASE IF NOT EXISTS test;CREATE TABLE IF NOT EXISTS test.contacts (
first_name VARCHAR(50),
last_name VARCHAR(50),
email VARCHAR(100)
) ENGINE=ColumnStore;INSERT INTO test.contacts (first_name, last_name, email)
VALUES
("Kai", "Devi", "kai.devi@example.com"),
("Lee", "Wang", "lee.wang@example.com");SELECT * FROM test.contacts;+------------+-----------+----------------------+
| first_name | last_name | email |
+------------+-----------+----------------------+
| Kai | Devi | kai.devi@example.com |
| Lee | Wang | lee.wang@example.com |
+------------+-----------+----------------------+CREATE TABLE test.addresses (
email VARCHAR(100),
street_address VARCHAR(255),
city VARCHAR(100),
state_code VARCHAR(2)
) ENGINE = InnoDB;INSERT INTO test.addresses (email, street_address, city, state_code)
VALUES
("kai.devi@example.com", "1660 Amphibious Blvd.", "Redwood City", "CA"),
("lee.wang@example.com", "32620 Little Blvd", "Redwood City", "CA");SELECT name AS "Name", addr AS "Address"
FROM (SELECT CONCAT(first_name, " ", last_name) AS name,
email FROM test.contacts) AS contacts
INNER JOIN (SELECT CONCAT(street_address, ", ", city, ", ", state_code) AS addr,
email FROM test.addresses) AS addr
WHERE contacts.email = addr.email;+----------+-----------------------------------------+
| Name | Address |
+----------+-----------------------------------------+
| Kai Devi | 1660 Amphibious Blvd., Redwood City, CA |
| Lee Wang | 32620 Little Blvd, Redwood City, CA |
+----------+-----------------------------------------+
+-------------------+-------------------------------------+
| Name | Address |
+-------------------+-------------------------------------+
| Walker Percy | 500 Thomas More Dr., Covington, LA |
| Flannery O'Connor | 300 Tarwater Rd., Milledgeville, GA |
+-------------------+-------------------------------------+