mariadb-columnstore-engine/mysql-test/columnstore/basic/t/mcs63_crossengine_views.test

#
# Cross Engine View
# Author: Bharath, bharath.bokka@mariadb.com
#
-- source include/have_innodb.inc
-- source ../include/have_columnstore.inc

if (!$MASTER_MYPORT)
{
  # Running with --extern
  let $MASTER_MYPORT=`SELECT @@port`;
}

--disable_warnings
DROP DATABASE IF EXISTS mcs63_db;
--enable_warnings

CREATE DATABASE mcs63_db;
USE mcs63_db;

#
# Enable cross engine join
# Configure user and password in Columnstore.xml file
#
--exec $MCS_MCSSETCONFIG CrossEngineSupport User 'cejuser'
--exec $MCS_MCSSETCONFIG CrossEngineSupport Password 'Vagrant1|0000001'
--exec $MCS_MCSSETCONFIG CrossEngineSupport Port $MASTER_MYPORT

#
# Create corresponding in the server
#
--disable_warnings
CREATE USER IF NOT EXISTS'cejuser'@'localhost' IDENTIFIED BY 'Vagrant1|0000001';
--enable_warnings
GRANT ALL PRIVILEGES ON *.* TO 'cejuser'@'localhost';
FLUSH PRIVILEGES;

# Create tables with Innodb and Columnstore engines
CREATE TABLE t1 (t1_int INT, t1_char CHAR(5))ENGINE=Innodb;
CREATE TABLE t2 (t2_int INT, t2_char CHAR(5))ENGINE=Columnstore;
INSERT INTO t1 VALUES (NULL,''),(1,'aaa'),(2,'bbb'),(3,'ccc'),(4,'ddd'),(5,'eee'),(6,'fff'),(7,'gggg');
INSERT INTO t2 VALUES (NULL,''),(1,'hhh'),(3,'iii'),(5,'jjj'),(7,'llll'),(9,'kkkk'),(11,'mm'),(13,'n');

CREATE VIEW v0 AS SELECT * FROM t1, t2 WHERE t1.t1_int = t2.t2_int;
SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_NAME='v0' AND TABLE_SCHEMA='mcs63_db';
SELECT * FROM v0;

CREATE VIEW v1 AS SELECT t1.t1_int, t2.t2_int, t1.t1_char, t2.t2_char FROM t1, t2 WHERE t1.t1_int = t2.t2_int;
SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_NAME='v1' AND TABLE_SCHEMA='mcs63_db';
SELECT * FROM v1;

CREATE VIEW v2 AS SELECT * FROM t1 LEFT JOIN t2 ON t1.t1_int = t2.t2_int;
SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_NAME='v2' AND TABLE_SCHEMA='mcs63_db';
SELECT * FROM v2;

CREATE VIEW v3 AS SELECT t1.t1_int, t2.t2_int FROM t1 LEFT JOIN t2 ON t1.t1_int = t2.t2_int;
SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_NAME='v3' AND TABLE_SCHEMA='mcs63_db';
SELECT * FROM v3;

CREATE VIEW v4 AS SELECT * FROM t1 LEFT JOIN t2 ON t1.t1_int = t2.t2_int AND t1.t1_int=1;
SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_NAME='v4' AND TABLE_SCHEMA='mcs63_db';
SELECT * FROM v4;

CREATE VIEW v5 AS SELECT * FROM t1 RIGHT JOIN t2 ON t1.t1_int = t2.t2_int;
SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_NAME='v5' AND TABLE_SCHEMA='mcs63_db';
SELECT * FROM v5;

CREATE VIEW v6 AS SELECT t1.t1_char, t2.t2_char FROM t1 RIGHT JOIN t2 ON t1.t1_int = t2.t2_int;
SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_NAME='v6' AND TABLE_SCHEMA='mcs63_db';
SELECT * FROM v6;

CREATE VIEW v7 AS SELECT * FROM t1 RIGHT JOIN t2 ON t1.t1_int = t2.t2_int AND t2.t2_int=5;
SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_NAME='v7' AND TABLE_SCHEMA='mcs63_db';
SELECT * FROM v7;

DROP VIEW v0, v1, v2, v3, v4, v5, v6, v7;
DROP TABLE t1, t2;

--echo #
--echo # MCOL-4687 Insert from view regression
--echo #

# Tesing a simple view on an InnoDB table (as a data source)
# This is the original script reported in MCOL-4687
CREATE TABLE t1 (id INT, fname VARCHAR(20)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1,'Greg');
CREATE VIEW v1 as SELECT * FROM t1;
SELECT * FROM v1;
CREATE TABLE t2 (id INT, fname VARCHAR(20)) ENGINE=Columnstore;
INSERT INTO t2 SELECT * FROM (SELECT * FROM v1) t;
SELECT * FROM t2;
INSERT INTO t2 SELECT * FROM v1;
SELECT * FROM t2;
DROP TABLE t2;
DROP VIEW v1;
DROP TABLE t1;

# Testing views on an InnoDB table with aggregates and GROUP

CREATE TABLE t1 (id INT, fname VARCHAR(20)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1,'Greg');
INSERT INTO t1 VALUES (1,'Roman');
CREATE TABLE tt (id INT, fname VARCHAR(20)) ENGINE=Columnstore;
CREATE VIEW v1 as SELECT id, MAX(fname) FROM t1 GROUP BY id;
CREATE VIEW v2 as SELECT MIN(id), GROUP_CONCAT(fname) FROM t1;
INSERT INTO tt SELECT * FROM v1;
SELECT * FROM tt;
TRUNCATE TABLE tt;
INSERT INTO tt SELECT * FROM v2;
SELECT * FROM tt;
DROP VIEW v1,v2;
DROP TABLE tt,t1;


# Testing view on a ColumnStore table with aggregates and GROUP

CREATE TABLE t1 (id INT, fname VARCHAR(20)) ENGINE=ColumnStore;
INSERT INTO t1 VALUES (1,'Greg');
INSERT INTO t1 VALUES (1,'Roman');
CREATE TABLE tt (id INT, fname VARCHAR(20)) ENGINE=Columnstore;
CREATE VIEW v1 as SELECT id, MAX(fname) FROM t1 GROUP BY id;
CREATE VIEW v2 as SELECT MIN(id), GROUP_CONCAT(fname) FROM t1;
INSERT INTO tt SELECT * FROM v1;
SELECT * FROM tt;
TRUNCATE TABLE tt;
INSERT INTO tt SELECT * FROM v2;
SELECT * FROM tt;
DROP VIEW v1,v2;
DROP TABLE tt,t1;

# Testing a view containing a join between an InnoDB table and a ColumnStore table

CREATE TABLE t1 (id INT, fname VARCHAR(20)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1,'One'),(2,'Two');
CREATE TABLE t2 (id INT, fname VARCHAR(20)) ENGINE=ColumnStore;
INSERT INTO t2 VALUES (1,'Uno'),(2,'Due');
CREATE VIEW v1 AS SELECT t1.id*100+t2.id,CONCAT(t1.fname,'-',t2.fname) FROM t1,t2 WHERE t1.id=t2.id;
CREATE TABLE tt (id INT, fname VARCHAR(20)) ENGINE=ColumnStore;
INSERT INTO tt SELECT * FROM v1;
SELECT * FROM tt;
DROP VIEW v1;

# Testing a join between a view on an InnoDB table and a view on a ColumnStore table

CREATE VIEW v1 AS SELECT * FROM t1;
CREATE VIEW v2 AS SELECT * FROM t2;
INSERT INTO tt SELECT v1.id*100+v1.id, CONCAT(v1.fname,'+',v2.fname) FROM v1,v2 WHERE v1.id=v2.id;
SELECT * FROM tt;
DROP VIEW v1,v2;
DROP TABLE tt,t2,t1;

# Clean UP
DROP USER 'cejuser'@'localhost';
DROP DATABASE mcs63_db;