Redshift: added migration script for 0.6.0 to 0.7.0 (closes #1988)

4-storage/redshift-storage/sql/migrate_0.6.0_to_0.7.0.sql

@@ -0,0 +1,44 @@
+-- Copyright (c) 2015 Snowplow Analytics Ltd. All rights reserved.
+--
+-- This program is licensed to you under the Apache License Version 2.0,
+-- and you may not use this file except in compliance with the Apache License Version 2.0.
+-- You may obtain a copy of the Apache License Version 2.0 at http://www.apache.org/licenses/LICENSE-2.0.
+--
+-- Unless required by applicable law or agreed to in writing,
+-- software distributed under the Apache License Version 2.0 is distributed on an
+-- "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the Apache License Version 2.0 for the specific language governing permissions and limitations there under.
+--
+-- Version:     Ports version 0.6.0 to version 0.7.0
+-- URL:         -
+--
+-- Authors:     Fred Blundun
+-- Copyright:   Copyright (c) 2015 Snowplow Analytics Ltd
+-- License:     Apache License Version 2.0
+
+BEGIN TRANSACTION;
+
+ALTER TABLE atomic.events
+	RENAME COLUMN dvce_tstamp TO dvce_created_tstamp;
+
+ALTER TABLE atomic.events
+	ADD COLUMN event_vendor varchar(1000) encode lzo;
+
+ALTER TABLE atomic.events
+	ADD COLUMN event_name varchar(1000) encode lzo;
+
+ALTER TABLE atomic.events
+	ADD COLUMN event_format varchar(128) encode lzo;
+
+ALTER TABLE atomic.events
+	ADD COLUMN event_version varchar(128) encode lzo;
+
+ALTER TABLE atomic.events
+	ADD COLUMN event_fingerprint varchar(128) encode lzo;
+
+ALTER TABLE atomic.events
+	ADD COLUMN true_tstamp timestamp;
+
+COMMENT ON TABLE "atomic"."events" IS '0.7.0';
+
+END TRANSACTION;