mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-02 08:32:45 +00:00
169 lines
6.7 KiB
Markdown
169 lines
6.7 KiB
Markdown
<p align="center">
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<a href="https://uptrace.dev/?utm_source=gh-redis&utm_campaign=gh-redis-banner1">
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<img src="https://raw.githubusercontent.com/uptrace/roadmap/master/banner1.png" alt="All-in-one tool to optimize performance and monitor errors & logs">
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</a>
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</p>
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# Simple and performant client for PostgreSQL, MySQL, and SQLite
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[](https://github.com/uptrace/bun/actions)
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[](https://pkg.go.dev/github.com/uptrace/bun)
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[](https://bun.uptrace.dev/)
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**Status**: API freeze (stable release). Note that all sub-packages (mainly extra/\* packages) are
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not part of the API freeze and are developed independently. You can think of them as of 3rd party
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packages that share one repo with the core.
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Main features are:
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- Works with [PostgreSQL](https://bun.uptrace.dev/guide/drivers.html#postgresql),
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[MySQL](https://bun.uptrace.dev/guide/drivers.html#mysql) (including MariaDB),
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[SQLite](https://bun.uptrace.dev/guide/drivers.html#sqlite).
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- [Selecting](/example/basic/) into scalars, structs, maps, slices of maps/structs/scalars.
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- [Bulk inserts](https://bun.uptrace.dev/guide/query-insert.html).
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- [Bulk updates](https://bun.uptrace.dev/guide/query-update.html) using common table expressions.
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- [Bulk deletes](https://bun.uptrace.dev/guide/query-delete.html).
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- [Fixtures](https://bun.uptrace.dev/guide/fixtures.html).
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- [Migrations](https://bun.uptrace.dev/guide/migrations.html).
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- [Soft deletes](https://bun.uptrace.dev/guide/soft-deletes.html).
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Resources:
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- [**Get started**](https://bun.uptrace.dev/guide/getting-started.html)
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- [Examples](https://github.com/uptrace/bun/tree/master/example)
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- [Discussions](https://github.com/uptrace/bun/discussions)
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- [Newsletter](https://blog.uptrace.dev/pages/newsletter.html) to get latest updates.
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- [Reference](https://pkg.go.dev/github.com/uptrace/bun)
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- [Starter kit](https://github.com/go-bun/bun-starter-kit)
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Projects using Bun:
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- [gotosocial](https://github.com/superseriousbusiness/gotosocial) - Golang fediverse server.
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- [qvalet](https://github.com/cmaster11/qvalet) listens for HTTP requests and executes commands on
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demand.
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- [RealWorld app](https://github.com/go-bun/bun-realworld-app)
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<details>
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<summary>github.com/frederikhors/orm-benchmark results</summary>
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```
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4000 times - Insert
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raw_stmt: 0.38s 94280 ns/op 718 B/op 14 allocs/op
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raw: 0.39s 96719 ns/op 718 B/op 13 allocs/op
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beego_orm: 0.48s 118994 ns/op 2411 B/op 56 allocs/op
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bun: 0.57s 142285 ns/op 918 B/op 12 allocs/op
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pg: 0.58s 145496 ns/op 1235 B/op 12 allocs/op
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gorm: 0.70s 175294 ns/op 6665 B/op 88 allocs/op
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xorm: 0.76s 189533 ns/op 3032 B/op 94 allocs/op
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4000 times - MultiInsert 100 row
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raw: 4.59s 1147385 ns/op 135155 B/op 916 allocs/op
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raw_stmt: 4.59s 1148137 ns/op 131076 B/op 916 allocs/op
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beego_orm: 5.50s 1375637 ns/op 179962 B/op 2747 allocs/op
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bun: 6.18s 1544648 ns/op 4265 B/op 214 allocs/op
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pg: 7.01s 1753495 ns/op 5039 B/op 114 allocs/op
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gorm: 9.52s 2379219 ns/op 293956 B/op 3729 allocs/op
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xorm: 11.66s 2915478 ns/op 286140 B/op 7422 allocs/op
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4000 times - Update
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raw_stmt: 0.26s 65781 ns/op 773 B/op 14 allocs/op
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raw: 0.31s 77209 ns/op 757 B/op 13 allocs/op
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beego_orm: 0.43s 107064 ns/op 1802 B/op 47 allocs/op
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bun: 0.56s 139839 ns/op 589 B/op 4 allocs/op
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pg: 0.60s 149608 ns/op 896 B/op 11 allocs/op
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gorm: 0.74s 185970 ns/op 6604 B/op 81 allocs/op
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xorm: 0.81s 203240 ns/op 2994 B/op 119 allocs/op
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4000 times - Read
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raw: 0.33s 81671 ns/op 2081 B/op 49 allocs/op
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raw_stmt: 0.34s 85847 ns/op 2112 B/op 50 allocs/op
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beego_orm: 0.38s 94777 ns/op 2106 B/op 75 allocs/op
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pg: 0.42s 106148 ns/op 1526 B/op 22 allocs/op
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bun: 0.43s 106904 ns/op 1319 B/op 18 allocs/op
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gorm: 0.65s 162221 ns/op 5240 B/op 108 allocs/op
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xorm: 1.13s 281738 ns/op 8326 B/op 237 allocs/op
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4000 times - MultiRead limit 100
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raw: 1.52s 380351 ns/op 38356 B/op 1037 allocs/op
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raw_stmt: 1.54s 385541 ns/op 38388 B/op 1038 allocs/op
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pg: 1.86s 465468 ns/op 24045 B/op 631 allocs/op
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bun: 2.58s 645354 ns/op 30009 B/op 1122 allocs/op
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beego_orm: 2.93s 732028 ns/op 55280 B/op 3077 allocs/op
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gorm: 4.97s 1241831 ns/op 71628 B/op 3877 allocs/op
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xorm: doesn't work
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```
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</details>
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## Why another database client?
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So you can elegantly write complex queries:
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```go
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regionalSales := db.NewSelect().
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ColumnExpr("region").
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ColumnExpr("SUM(amount) AS total_sales").
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TableExpr("orders").
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GroupExpr("region")
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topRegions := db.NewSelect().
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ColumnExpr("region").
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TableExpr("regional_sales").
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Where("total_sales > (SELECT SUM(total_sales) / 10 FROM regional_sales)")
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var items map[string]interface{}
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err := db.NewSelect().
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With("regional_sales", regionalSales).
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With("top_regions", topRegions).
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ColumnExpr("region").
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ColumnExpr("product").
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ColumnExpr("SUM(quantity) AS product_units").
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ColumnExpr("SUM(amount) AS product_sales").
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TableExpr("orders").
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Where("region IN (SELECT region FROM top_regions)").
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GroupExpr("region").
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GroupExpr("product").
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Scan(ctx, &items)
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```
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```sql
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WITH regional_sales AS (
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SELECT region, SUM(amount) AS total_sales
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FROM orders
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GROUP BY region
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), top_regions AS (
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SELECT region
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FROM regional_sales
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WHERE total_sales > (SELECT SUM(total_sales)/10 FROM regional_sales)
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)
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SELECT region,
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product,
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SUM(quantity) AS product_units,
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SUM(amount) AS product_sales
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FROM orders
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WHERE region IN (SELECT region FROM top_regions)
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GROUP BY region, product
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```
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And scan results into scalars, structs, maps, slices of structs/maps/scalars.
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## Installation
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```go
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go get github.com/uptrace/bun
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```
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You also need to install a database/sql driver and the corresponding Bun
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[dialect](https://bun.uptrace.dev/guide/drivers.html).
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See [**Getting started**](https://bun.uptrace.dev/guide/getting-started.html) guide and check
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[examples](example).
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## Contributors
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Thanks to all the people who already contributed!
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<a href="https://github.com/uptrace/bun/graphs/contributors">
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<img src="https://contributors-img.web.app/image?repo=uptrace/bun" />
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</a>
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