Merge branch 'fix-iots-109' into 'master'

Add migration scripts for https://gitlab.com/entgra/product-iots/issues/109

See merge request entgra/product-iots!15

modules/migration/migration-iot_3.3.1-to-iot_3.6.0/cdm-migration-mssql.sql

@@ -0,0 +1,3 @@
+ALTER TABLE DM_ENROLMENT ALTER COLUMN OWNER VARCHAR (255) NOT NULL;
+
+ALTER TABLE DM_GROUP ALTER COLUMN OWNER VARCHAR (255) DEFAULT NULL;

modules/migration/migration-iot_3.3.1-to-iot_3.6.0/cdm-migration-mysql.sql

@@ -0,0 +1,5 @@
+ALTER TABLE `DM_ENROLMENT`
+CHANGE COLUMN `OWNER` `OWNER` VARCHAR(255) NOT NULL;
+
+ALTER TABLE `DM_GROUP`
+CHANGE COLUMN `OWNER` `OWNER` VARCHAR(255) NULL DEFAULT NULL;

modules/migration/migration-iot_3.3.1-to-iot_3.6.0/cdm-migration-postgres.sql

@@ -0,0 +1,3 @@
+ALTER TABLE dm_enrolment ALTER COLUMN owner TYPE character varying(255);
+
+ALTER TABLE dm_group ALTER COLUMN owner TYPE character varying(255);