Added some indices to database and more SQL simplification

install/mysql.sql

@@ -4,21 +4,24 @@ CREATE TABLE asset (
   asset_hostname varchar(100) DEFAULT NULL,
   assetclass_id int(10) NOT NULL,
   asset_info text DEFAULT NULL,
-  PRIMARY KEY (asset_id)
+  PRIMARY KEY (asset_id),
+  INDEX ix_asset_name (asset_name)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
 
 CREATE TABLE assetclass (
   assetclass_id int(10) NOT NULL AUTO_INCREMENT,
   assetclassgroup_id int(10) NOT NULL,
   assetclass_name varchar(100) NOT NULL,
-  PRIMARY KEY (assetclass_id)
+  PRIMARY KEY (assetclass_id),
+  INDEX ix_assetclass_name (assetclass_name)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
 
 CREATE TABLE assetclassgroup (
   assetclassgroup_id int(10) NOT NULL AUTO_INCREMENT,
   assetclassgroup_name varchar(100) NOT NULL,
   assetclassgroup_color varchar(6) NOT NULL DEFAULT '000000',
-  PRIMARY KEY (assetclassgroup_id)
+  PRIMARY KEY (assetclassgroup_id),
+  INDEX ix_assetclassgroup_name (assetclassgroup_name)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
 
 CREATE TABLE location (
@@ -28,7 +31,8 @@ CREATE TABLE location (
   location_info text DEFAULT NULL,
   location_sort int(11) NOT NULL DEFAULT 0,
   PRIMARY KEY (location_id),
-  KEY location_sort (location_sort)
+  INDEX ix_location_sort (location_sort),
+  INDEX ix_location_name (location_name)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
 
 CREATE TABLE nat (
@@ -101,7 +105,8 @@ CREATE TABLE user (
   user_menu_vlans varchar(2) NOT NULL DEFAULT 'on',
   user_menu_zones varchar(2) NOT NULL DEFAULT 'on',
   user_tooltips varchar(2) NOT NULL DEFAULT 'on',
-  PRIMARY KEY (user_id)
+  PRIMARY KEY (user_id),
+  UNIQUE INDEX ix_username (user_name)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
 
 INSERT INTO user (user_name, user_pass, user_displayname) VALUES