Backslash in text column breaks INSERT INTO Columnstore SELECT * FROM InnoDB

$ docker pull mariadb/columnstore

$ docker run -d -p 3306:3306 --name mcs_container mariadb/columnstore

$ docker exec -it mcs_container bash

. /etc/profile.d/columnstoreAlias.sh

mcsmysql

CREATE DATABASE test;

USE test;

CREATE TABLE `backslash_innodb` (

  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,

  `uint1` int(10) unsigned NOT NULL,

  `uint2` int(10) unsigned NOT NULL,

  `text_with_backslash` text NOT NULL,

  `created` timestamp NOT NULL DEFAULT current_timestamp(),

  `updated` timestamp NULL DEFAULT NULL,

  `text2` text DEFAULT NULL,

  `vchar` varchar(255) NOT NULL DEFAULT 'default',

  PRIMARY KEY (`id`)

);

CREATE TABLE `backslash_columnstore` (

  `id` int(10) unsigned NOT NULL,

  `uint1` int(10) unsigned NOT NULL,

  `uint2` int(10) unsigned NOT NULL,

  `text_with_backslash` text NOT NULL,

  `created` datetime NOT NULL,

  `updated` datetime NULL DEFAULT NULL,

  `text2` text DEFAULT NULL,

  `vchar` varchar(255) NOT NULL DEFAULT 'default'

) ENGINE=Columnstore;

insert into backslash_innodb (uint1,uint2,text_with_backslash) values (2,3,"

\\");

insert into backslash_columnstore select * from  backslash_innodb;

ERROR 1815 (HY000): Internal error: PM1 : Bulkload Read (thread 0) Failed for Table test.backslash_columnstore.  Terminating this job.

-rw-rw---- 1 mysql mysql       82 Apr  9 00:27 backslash_columnstore.tbl.Job_3070_15234.err_1

-rw-rw---- 1 mysql mysql       46 Apr  9 00:27 backslash_columnstore.tbl.Job_3070_15234.bad_1

cat backslash_columnstore.tbl.Job_3070_15234.err_1

Line number 1;  Error: Data violates NOT NULL constraint with no default; field 5

cat backslash_columnstore.tbl.Job_3070_15234.bad_1

123

\2020-04-09 00:27:36default