BeWoPlaner/Model/Changes_2017_08_31.txt

ALTER TABLE textbaustein ADD COLUMN `HasParent` TINYINT(4);
ALTER TABLE textbaustein ADD COLUMN `ParentOid` BIGINT(19);
ALTER TABLE textbaustein ADD CONSTRAINT FK_TEXTBAUSTEIN2PARENT FOREIGN KEY (ParentOid) REFERENCES textbaustein(Oid) ON DELETE NO ACTION ON UPDATE NO ACTION;