xid
go.uuid
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xid
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The Easiest Way to Create a REST API With Go
The goal of babyapi is to be so easy that a baby could do it. As previously mentioned, babyapi.DefaultResource already implements the required interface, so it can be used as a starting point for simple resource types. Besides simply implementing the interface, this default struct implements some validations around the ID and uses rs/xid to create a unique identifer on new resources.
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Build a Job Queue with Rust Using Aide-De-Camp (Part 2)
To schedule a job, all we need to do is serialize the payload, create a new JID (we use XID for JIDs), and insert both into the adc_queue table.
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How we used Go 1.18 when designing our Identifiers
XID's are 96 bits. The first 32 bits are the time, which means we get our k-sorting immediately. The next 40 bits are a machine identifier and a process identifier. However, unlike the other systems, these are calculated automatically using the library and don't require us to configure anything ourselves. The final 24 bits are a sequence number, which allows a single process to generate 16,777,216 identifiers per second!
- Xid, globally unique id generator
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I need a unique ID sequence number generator, I know I could just use a small MySQL instance, but is there no other way?
Checkout xid https://github.com/rs/xid and how MongoDB does its id
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You Don't Need UUID
I've had success using xid for user-visible IDs. What's nice is they're shorter than UUID, will sort in order, hides the amount of rows in the table.
https://github.com/rs/xid
go.uuid
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Writing UDF for Clickhouse using Golang
package main import ( "bufio" "encoding/binary" "encoding/hex" "fmt" "os" "strings" "time" ) func main() { scanner := bufio.NewScanner(os.Stdin) scanner.Split(bufio.ScanLines) for scanner.Scan() { id, _ := FromString(scanner.Text()) fmt.Println(id.Time()) } } func (me UUID) Nanoseconds() int64 { time_low := int64(binary.BigEndian.Uint32(me[0:4])) time_mid := int64(binary.BigEndian.Uint16(me[4:6])) time_hi := int64((binary.BigEndian.Uint16(me[6:8]) & 0x0fff)) return int64((((time_low) + (time_mid << 32) + (time_hi << 48)) - epochStart) * 100) } func (me UUID) Time() time.Time { nsec := me.Nanoseconds() return time.Unix(nsec/1e9, nsec%1e9).UTC() } // code below Copyright (C) 2013 by Maxim Bublis // see https://github.com/satori/go.uuid // Difference in 100-nanosecond intervals between // UUID epoch (October 15, 1582) and Unix epoch (January 1, 1970). const epochStart = 122192928000000000 // UUID representation compliant with specification // described in RFC 4122. type UUID [16]byte // FromString returns UUID parsed from string input. // Following formats are supported: // "6ba7b810-9dad-11d1-80b4-00c04fd430c8", // "{6ba7b810-9dad-11d1-80b4-00c04fd430c8}", // "urn:uuid:6ba7b810-9dad-11d1-80b4-00c04fd430c8" func FromString(input string) (u UUID, err error) { s := strings.Replace(input, "-", "", -1) if len(s) == 41 && s[:9] == "urn:uuid:" { s = s[9:] } else if len(s) == 34 && s[0] == '{' && s[33] == '}' { s = s[1:33] } if len(s) != 32 { err = fmt.Errorf("uuid: invalid UUID string: %s", input) return } b := []byte(s) _, err = hex.Decode(u[:], b) return } // Returns canonical string representation of UUID: // xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx. func (u UUID) String() string { return fmt.Sprintf("%x-%x-%x-%x-%x", u[:4], u[4:6], u[6:8], u[8:10], u[10:]) }
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satori uuid vs google uuid vs gofrs uuid ? which to use to generate uuid for enterprise coding standards
Link to source code :https://github.com/satori/go.uuid up to v5
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Building web-based SaaS with Go as a solo entrepreneur. What should I be aware of?
Something to note is that all of this is still open source. Theoretically, someone can decide to fork SQLBoiler and add all the missing things, or send in a PR. A good example is that the current most popular uuid package. gofrs/uuid was forked from an unmaintained previously popular package.
- CVE-2021-3538 issued for latest release of github.com/satori/go.uuid
What are some alternatives?
nanoid - A tiny and fast Go unique string generator
uuid - Go package for UUIDs based on RFC 4122 and DCE 1.1: Authentication and Security Services.
ulid - Universally Unique Lexicographically Sortable Identifier (ULID) in Go
golang-templates/seed - Go application GitHub repository template.
go-shortid - Super short, fully unique, non-sequential and URL friendly Ids
gouid - Fast, dependable universally unique ids
go-chat-bot - IRC, Slack, Telegram and RocketChat bot written in go
sno - Compact, sortable and fast unique IDs with embedded metadata.
autoflags - Populate go command line app flags from config struct
goflake - A highly scalable and serverless unique ID generator for use in distributed systems. Written in GoLang. Inspired by Twitters Snowflake.
conv - Fast conversions across various Go types with a simple API.