Optimize shop object loading

server/main.lua

@@ -5,35 +5,23 @@ TriggerEvent('esx:getSharedObject', function(obj) ESX = obj end)
 
 -- Load items
 MySQL.ready(function()
-	local itemResult = MySQL.Sync.fetchAll('SELECT * FROM items')
-	local shopResult = MySQL.Sync.fetchAll('SELECT * FROM shops')
-
-	local itemInformation = {}
-	for i=1, #itemResult, 1 do
-
-		if itemInformation[itemResult[i].name] == nil then
-			itemInformation[itemResult[i].name] = {}
-		end
-
-		itemInformation[itemResult[i].name].label = itemResult[i].label
-		itemInformation[itemResult[i].name].limit = itemResult[i].limit
-	end
+local shopResult = MySQL.Sync.fetchAll('SELECT * FROM shops LEFT JOIN items ON items.name = shops.item')
 
 	for i=1, #shopResult, 1 do
-		if itemInformation[shopResult[i].item] then
-			if ShopItems[shopResult[i].store] == nil then
+		if shopResult[i].name ~= NULL then
+			if ShopItems[shopResult[i].name] == nil then
 				ShopItems[shopResult[i].store] = {}
 			end
 
-			if itemInformation[shopResult[i].item].limit == -1 then
-				itemInformation[shopResult[i].item].limit = 30
+			if shopResult[i].limit == -1 then
+				shopResult[i].limit = 30
 			end
 
 			table.insert(ShopItems[shopResult[i].store], {
-				label = itemInformation[shopResult[i].item].label,
+				label = shopResult[i].label,
 				item  = shopResult[i].item,
 				price = shopResult[i].price,
-				limit = itemInformation[shopResult[i].item].limit
+				limit = shopResult[i].limit
 			})
 		else
 			print(('esx_shops: invalid item "%s" found!'):format(shopResult[i].item))
@@ -87,4 +75,4 @@ AddEventHandler('esx_shops:buyItem', function(itemName, amount, zone)
 		local missingMoney = price - xPlayer.getMoney()
 		TriggerClientEvent('esx:showNotification', _source, _U('not_enough', ESX.Math.GroupDigits(missingMoney)))
 	end
-end)
+end)