text: CREATE TABLE transformationstore(
  	id 				varchar(2048) PRIMARY KEY,
  	hash 			varchar(32),
  	ns 				varchar(255) NOT NULL,
  	type 			varchar(255) NOT NULL,
  	from_version 	int NOT NULL,
      to_version       int NOT NULL,
  	transformation 	text
  );
  
  CREATE INDEX idx_transformationstore on transformationstore(ns,type);
  