set of patches for release 70

patch a is the release patch
patch b updates the mapping_set table to fit the new storing format
now, stores both release versions of seq_region id change to link back to the initial id

sql/patch_69_70_a.sql

+# patch_69_70_a.sql
+#
+# Title: Update schema version.
+#
+# Description:
+#   Update schema_version in meta table to 70.
+
+UPDATE meta SET meta_value='70' WHERE meta_key='schema_version';
+
+# Patch identifier
+INSERT INTO meta (species_id, meta_key, meta_value)
+  VALUES (NULL, 'patch', 'patch_69_70_a.sql|schema_version');

sql/patch_69_70_b.sql

+# patch_69_70_b.sql
+#
+# Title: Update mapping_set to store history over several releases
+#
+# Description:
+
+# Updating schema_build row to current_schema_build
+# Add new row old_schema_build
+# Remove row schema_build, to be replaced by current_schema_build
+# All previously stored data will be deleted
+
+ALTER TABLE mapping_set DROP COLUMN schema_build;
+ALTER TABLE mapping_set ADD COLUMN (internal_schema_build VARCHAR(20) NOT NULL);
+ALTER TABLE mapping_set ADD COLUMN (external_schema_build VARCHAR(20) NOT NULL);
+ALTER TABLE mapping_set ADD UNIQUE KEY mapping_idx (internal_schema_build, external_schema_build);
+TRUNCATE TABLE seq_region_mapping;
+TRUNCATE TABLE mapping_set;
+
+
+# Patch identifier
+INSERT INTO meta (species_id, meta_key, meta_value)
+  VALUES (NULL, 'patch', 'patch_69_70_b.sql|add_mapping_set_history');
+
+