ENH: refs #0377. Quota should be a varchar so it can be set to empty string

Author: zachmullen

modules/sizequota/database/mysql/1.0.0.sql

@@ -2,7 +2,7 @@
 CREATE TABLE IF NOT EXISTS `sizequota_folderquota` (
   `folderquota_id` bigint(20) NOT NULL AUTO_INCREMENT,
   `folder_id` bigint(20) NOT NULL,
-  `quota` bigint(20) NOT NULL,
+  `quota` varchar(50) NOT NULL,
   PRIMARY KEY (`folderquota_id`),
   KEY `folder_id` (`folder_id`)
 ) DEFAULT CHARSET=utf8;

modules/sizequota/database/pgsql/1.0.0.sql

@@ -3,6 +3,6 @@ DROP TABLE IF EXISTS sizequota_folderquota;
 CREATE TABLE sizequota_folderquota (
   folderquota_id bigint serial PRIMARY KEY,
   folder_id bigint NOT NULL,
-  quota bigint NOT NULL
+  quota character varying(50) NOT NULL
 );
 CREATE INDEX sizequota_folderquota_folder_id ON sizequota_folderquota (folder_id);