From 29f588fdc95ba0b86712e2b17b02af07db14a3ad Mon Sep 17 00:00:00 2001
From: Tom van Dijck <tvandijck@blizzard.com>
Date: Mon, 11 Apr 2016 11:20:54 -0700
Subject: [PATCH] optimize copyFilters/mergeFilters

---
 src/base/context.lua | 22 ++++++----------------
 1 file changed, 6 insertions(+), 16 deletions(-)

diff --git a/src/base/context.lua b/src/base/context.lua
index 094a223e..37861e02 100644
--- a/src/base/context.lua
+++ b/src/base/context.lua
@@ -94,7 +94,10 @@
 --
 
 	function context.copyFilters(ctx, src)
-		ctx.terms = table.deepcopy(src.terms)
+		ctx.terms = {}
+		for k,v in pairs(src.terms) do
+			ctx.terms[k] = v
+		end
 	end
 
 
@@ -109,22 +112,9 @@
 --
 
 	function context.mergeFilters(ctx, src)
-
-		local function mergeTable(dest, src)
-			for k,v in pairs(src) do
-				if type(v) == "table" then
-					if type(dest[k]) == "table" then
-						dest[k] = mergeTable(dest[k], v)
-					else
-						dest[k] = table.deepcopy(v)
-					end
-				else
-					dest[k] = v
-				end
-			end
+		for k,v in pairs(src.terms) do
+			ctx.terms[k] = v
 		end
-
-		mergeTable(ctx.terms, src.terms)
 	end