Change db.db_release from INTEGER to VARCHAR(8).

misc-scripts/production_database/sql/tables.sql

@@ -29,7 +29,7 @@ CREATE TABLE db (
                      'funcgen', 'otherfeatures', 'rnaseq',
                      'variation', 'vega')
                      NOT NULL DEFAULT 'core',
-  db_release    INTEGER NOT NULL,
+  db_release    VARCHAR(8) NOT NULL,
   db_assembly   VARCHAR(8) NOT NULL,
   db_suffix     CHAR(1) DEFAULT '',
   db_host       VARCHAR(32) DEFAULT NULL,