ineffective way to dedup a table in lua

deduplicater.lua

-- deduplicate value-only table
function dedupTable(origtable)
	function tableContainsV(tablee, value)
		local fr = false
		for i = 1, #tablee do
			if tablee[i] == value then
			   fr = true
			   break -- i had breakfast today
			end
		end
		return fr
	end
	local messtable = {}
	local ie = 0
	for i = 1, #origtable do
		if not tableContainsV(messtable, origtable[i]) then
			ie = ie + 1
			messtable[ie] = origtable[i]
		-- else DEBUG("dupe!!! origtable["..i.."]")
		end
	end
	return messtable
end
function _DeDupTool_consoleDemo()
	print("{ "..table.concat(dedupTable({1,1,2,8,8,8,8,9}),",").." }")
end
_DeDupTool_consoleDemo()