fifth version

internal/repository/migrations/0007_feature_q05.down.sql

@@ -0,0 +1,3 @@
+ALTER TABLE features DROP COLUMN q05_on_60_abs;
+
+UPDATE schema_meta SET meta_value='0006' WHERE meta_key='schema_version';

internal/repository/migrations/0007_feature_q05.up.sql

@@ -0,0 +1,4 @@
+ALTER TABLE features
+  ADD COLUMN q05_on_60_abs DECIMAL(20,10) NOT NULL DEFAULT 0 AFTER sigma_on_60;
+
+UPDATE schema_meta SET meta_value='0007' WHERE meta_key='schema_version';