mariadb-columnstore-engine/mtr/basic/t/mcs24_insert_from_another_table.test

#
# Test INSERT..SELECT statement
# Author: Bharath, bharath.bokka@mariadb.com
#
-- source ../include/have_columnstore.inc

--disable_warnings
DROP DATABASE IF EXISTS mcs24_db;
--enable_warnings

CREATE DATABASE mcs24_db;
USE mcs24_db;

CREATE TABLE t1(t1_bool BOOLEAN,
t1_int INT,
t1_decimal DECIMAL(5,2),
t1_varchar VARCHAR(10),
t1_dt DATETIME
)ENGINE=Columnstore;

CREATE TABLE t2(t2_char CHAR(5) NOT NULL DEFAULT 'xyz',
t2_int INT,
t2_varchar VARCHAR(10),
t2_dt DATETIME
)ENGINE=Columnstore;

INSERT INTO t1 VALUES(1,1111,11.11,'aaaaa','2020-02-01 17:8:19'),
(1,2222,22.22,'bbbb','1234-11-21 9:18:16');
SELECT * FROM t1;

INSERT INTO t2 (t2_int,t2_varchar,t2_dt) SELECT t1_int,t1_varchar,t1_dt FROM t1;
INSERT INTO t2 (t2_int,t2_varchar,t2_dt) SELECT t1_int,t1_varchar,t1_dt FROM t1 WHERE t1.t1_int=1111;
INSERT INTO t2 SELECT * FROM t2;
INSERT INTO t2 (t2_char) SELECT (SELECT SUM(LENGTH(t1_varchar)) FROM t1) FROM t1 LIMIT 1;
INSERT INTO t2 (t2_char) SELECT (SELECT MAX(LENGTH(t1_varchar)) AS 'var' FROM t1) FROM t1 LIMIT 1;
INSERT INTO t2 SELECT * FROM t2 WHERE t2.t2_char='xyz' LIMIT 1;
SELECT * FROM t2;

# Negative scenarios
--error ER_WRONG_VALUE_COUNT_ON_ROW
INSERT INTO t2 SELECT * FROM t1;
--error ER_WRONG_VALUE_COUNT_ON_ROW
INSERT INTO t2 SELECT t1_int,t1_varchar,t1_dt FROM t1;
--error ER_WRONG_VALUE_COUNT_ON_ROW
INSERT INTO t2 SELECT (SELECT SUM(LENGTH(t2_varchar)) AS 'var' FROM t2 WHERE t2.t2_char='xyz' LIMIT 1) FROM t2;
--error ER_NONUNIQ_TABLE
INSERT INTO t2 SELECT * FROM t2,t2;

DROP TABLE t1;
DROP TABLE t2;

# Cross engine
CREATE TABLE t1(t1_int INT NOT NULL PRIMARY KEY, t1_char CHAR(10))ENGINE=InnoDB;
CREATE TABLE t2(t2_int INT, t2_char CHAR(10))ENGINE=Columnstore;
INSERT INTO t1 VALUES(1,'a'),(2,'bb'),(3,'ccc');
INSERT INTO t2 SELECT * FROM t1;
INSERT INTO t2 SELECT * FROM t2;
SELECT * FROM t2;

# Clean up
DROP DATABASE mcs24_db;