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codewhiz
codewhiz

Reputation: 195

How much length can be of a Telegram user_id?

I am making a database in which my algorithm only accepts queries from users with telegram id length of 9.

user_id: 123456789;
length = user_id.length;
display(length);

OUTPUT: 9

Are there telegram user ids of length lesser than 9?
Can anybody suggest something, so that i can update my algorithm to length of that ids too.

Upvotes: 9

Views: 17228

Answers (4)

Джамиль Kawasaji
Джамиль Kawasaji

Reputation: 1

Today I saw two guys who have a double-digit ID

@Ruslan_Ozdoev : 25 @Akhmedoff_J : 55

(6 Digit) @MarkusRa : 914597

Upvotes: 0

Sean Wei
Sean Wei

Reputation: 7975

You can refer to Contact section of API document.

it has at most 52 significant bits, so a 64-bit integer or double-precision float type are safe for storing this identifier.

2018 (Outdated):

There have no known limit of user ID, but I know there have some user have less than 9 digits ID.

For instance, @MarkusRa have 6-digits ID.

The maximum length I have seen is 9 digits, and starts with 6, it seems to increase by time, maybe it will have 10 digits soon

Upvotes: 5

Андрей Волков
Андрей Волков

Reputation: 21

I have seen 10 digits user ID starts with 5, it exceeds int32 max value.

Upvotes: 2

Maak
Maak

Reputation: 5038

Unique identifier for this chat. This number may be greater than 32 bits and some programming languages may have difficulty/silent defects in interpreting it. But it is smaller than 52 bits, so a signed 64 bit integer or double-precision float type are safe for storing this identifier.

Telegram Bot API#Chat

Upvotes: 11

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