Datastore: Help with removing a value inside a key which is a dictionary

Help and Feedback Scripting Support
#1

  1. What do you want to achieve?
    I want to remove a value(data) inside a dictionary

  2. What is the issue?
    I cannot remove the specific value(Data) that I wantStructure

  3. **What solutions have you tried so far?
    I have tried using table.remove but it doesn’t work, I also tried using sampleDataStore:RemoveAsync(playerKey).Data.Test but this just removes all values related to the key(Player_59296059)

SCRIPT:

local sampleDataStore = game:GetService("DataStoreService"):GetDataStore("PlayerData")

game.Players.PlayerRemoving:Connect(function(player)
	local playerKey = "Player_59296059"
	
	
	local success, val = pcall(function()	
		return sampleDataStore:RemoveAsync(playerKey).Data
	end)
	
	if success then
		print(val)
	end

end)

OUTPUT:
true --This is the value related to the key Test

I only want to delete Test, this however deletes all data related to the key Player_59296059Result
This image is from DataStore Editor

3 Likes
BoolValue data store delete
#2

Maybe try:

return sampleDataStore:RemoveAsync(playerKey).Data[Test]
#3

Hello I tried this but the Test is Unknown global ‘Test’ and this prints nil

#4

Since Data is also a dictionary, maybe try this:

return sampleDataStore:RemoveAsync(playerKey)[Data][Test]
#5

Hi!

Unfortunately, I currently don’t have enough time to test it out, but I think you forgot the quotation marks.

return sampleDataStore:RemoveAsync(playerKey)["Test"]

EDIT @thehalfdog21 the above example supposes “Data” is the whole table, and test is one of its indexes.

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#6

Hello I tried this but the DataUnknown global ‘Data’ is Test is Unknown global ‘Test’ and this prints nil

EDIT: It also removes all the data related to Player_59296059, Im assuming sampleDataStore:RemoveAsync(playerKey) is the only one being read because the all the data is still being removed

#7

Since you’re already using sleitnick’s DataStore Editor plugin, you can modify the data directly by right clicking on “Test” and clicking “Delete” (if I remember correctly).

#8

I also tried your code but it also delete all the data related to Player_59296059

#9

Yes I also did that earlier but I am trying to figure it out using a script, I really don’t want to manually delete all Test in each key

1 Like
#10

You need to update the data using either :UpdateAsync() or :SetAsync(), you can’t use :RemoveAsync() in this case:

local DataStoreService = game:GetService("DataStoreService")
local sampleDataStore = DataStoreService:GetDataStore("PlayerData")
local IsSuccessful, Result = pcall(function(Key)
    local Data = sampleDataStore:GetAsync(Key)
    Data.Test = nil
    sampleDataStore:SetAsync(Key, Data)
    return Data
end, "Player_59296059")

if IsSuccessful == true then
    print(Result)
end
2 Likes
#12

I tried this but unfortunately it doesn’t work,

Script:


Player.PlayerAdded:Connect(function()
	local Key = "Player_59296059"
	local DataStoreService = game:GetService("DataStoreService")
	local sampleDataStore = DataStoreService:GetDataStore("PlayerData")
	local IsSuccessful, Result = pcall(function(Key)
		local Data = sampleDataStore:GetAsync(Key)
		Data.Test = nil
		sampleDataStore:SetAsync(Key, Data)
		return Data
	end, "Player_59296059")

	if IsSuccessful == true then
		print(Result) --Will only print if SetAsync() was successful
	end
	
end)

OUTPUT:
{
                    ["Data"] =   {
                       ["Cash"] = 0,
                       ["Items"] = {},
                       ["LogInTimes"] = 0,
                       ["Test"] = true
                    }
                 }

It’s kinda wierd that the SetAsync() successfully set Test to nil and yet Test still exist(I assume it was success because it printed the result)
Exist

#13

:RemoveAsync() is used to remove data in a certain key. In this case, you need to update the data by using :SetAsync().

-- success: tells if it's success or not
-- result: will return nil (if success), otherwise it'll return error string
local success, response = pcall(function()
    local save_data = sampleDataStore:GetAsync(playerKey)
    save_data.Data.Test = nil
    sampleDataStore:SetAsync(Key, save_data)
    print(save_data.Data) -- prints the updated data
end)

if not success then
    error(response)
end
2 Likes
#14

Thanks so much! I can now visualize it better.

This:

Player.PlayerAdded:Connect(function(player)
	local playerKey = "Player_59296059"
	local sampleDataStore = game:GetService("DataStoreService"):GetDataStore("PlayerData")

	local success, response = pcall(function()
		local save_data = sampleDataStore:GetAsync(playerKey)
		save_data.Data.Test = nil
		sampleDataStore:SetAsync(playerKey, save_data)
		print(save_data.Data) -- prints the updated data
	end)

	if not success then
		error(response)
	end
end)

Is similar to this:

Player.PlayerAdded:Connect(function(player)
	local playerKey = "Player_59296059"
	local sampleDataStore = game:GetService("DataStoreService"):GetDataStore("PlayerData")

	-- success: tells if it's success or not
	-- result: will return nil (if success), otherwise it'll return error string
	local success, response = pcall(function()
		local save_data = {
                    ["Data"] =   {
                       ["Cash"] = 0,
                       ["Items"] = {},
                       ["LogInTimes"] = 0,
                       ["Test"] = nil --Setting to nil to remove
                    }
                 }
		sampleDataStore:SetAsync(playerKey, save_data)
		print(save_data.Data) -- prints the updated data
	end)

	if not success then
		error(response)
	end
end)

My mistakes includes:

  • Using RemoveAsync() to delete a specific value inside a key(dictionary)
  • Doing this
local IsSuccessful, Result = pcall(function()
		
		local playerID = sampleDataStore:GetAsync(Key) 
		local Data = playerID.Data
		local Test = Data.Test
		local newData = false 
		
		sampleDataStore:SetAsync(Key,newData) --Which is basically overwriting all values related to the Key
		
	end)
1 Like