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109 lines
5.2 KiB
Markdown
109 lines
5.2 KiB
Markdown
# Go bindings to SQLite using wazero
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[](https://pkg.go.dev/github.com/ncruces/go-sqlite3)
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[](https://goreportcard.com/report/github.com/ncruces/go-sqlite3)
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[](https://github.com/ncruces/go-sqlite3/wiki/Test-coverage-report)
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Go module `github.com/ncruces/go-sqlite3` is a `cgo`-free [SQLite](https://sqlite.org/) wrapper.\
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It provides a [`database/sql`](https://pkg.go.dev/database/sql) compatible driver,
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as well as direct access to most of the [C SQLite API](https://sqlite.org/cintro.html).
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It wraps a [Wasm](https://webassembly.org/) [build](embed/) of SQLite,
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and uses [wazero](https://wazero.io/) as the runtime.\
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Go, wazero and [`x/sys`](https://pkg.go.dev/golang.org/x/sys) are the _only_ runtime dependencies.
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### Getting started
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Using the [`database/sql`](https://pkg.go.dev/database/sql) driver:
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```go
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import "database/sql"
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import _ "github.com/ncruces/go-sqlite3/driver"
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import _ "github.com/ncruces/go-sqlite3/embed"
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var version string
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db, _ := sql.Open("sqlite3", "file:demo.db")
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db.QueryRow(`SELECT sqlite_version()`).Scan(&version)
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```
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### Packages
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- [`github.com/ncruces/go-sqlite3`](https://pkg.go.dev/github.com/ncruces/go-sqlite3)
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wraps the [C SQLite API](https://sqlite.org/cintro.html)
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([example usage](https://pkg.go.dev/github.com/ncruces/go-sqlite3#example-package)).
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- [`github.com/ncruces/go-sqlite3/driver`](https://pkg.go.dev/github.com/ncruces/go-sqlite3/driver)
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provides a [`database/sql`](https://pkg.go.dev/database/sql) driver
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([example usage](https://pkg.go.dev/github.com/ncruces/go-sqlite3/driver#example-package)).
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- [`github.com/ncruces/go-sqlite3/embed`](https://pkg.go.dev/github.com/ncruces/go-sqlite3/embed)
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embeds a build of SQLite into your application.
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- [`github.com/ncruces/go-sqlite3/vfs`](https://pkg.go.dev/github.com/ncruces/go-sqlite3/vfs)
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wraps the [C SQLite VFS API](https://sqlite.org/vfs.html) and provides a pure Go implementation.
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- [`github.com/ncruces/go-sqlite3/gormlite`](https://pkg.go.dev/github.com/ncruces/go-sqlite3/gormlite)
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provides a [GORM](https://gorm.io) driver.
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### Advanced features
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- [incremental BLOB I/O](https://sqlite.org/c3ref/blob_open.html)
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- [nested transactions](https://sqlite.org/lang_savepoint.html)
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- [custom functions](https://sqlite.org/c3ref/create_function.html)
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- [virtual tables](https://sqlite.org/vtab.html)
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- [custom VFSes](https://sqlite.org/vfs.html)
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- [online backup](https://sqlite.org/backup.html)
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- [JSON support](https://sqlite.org/json1.html)
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- [math functions](https://sqlite.org/lang_mathfunc.html)
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- [full-text search](https://sqlite.org/fts5.html)
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- [geospatial search](https://sqlite.org/geopoly.html)
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- [Unicode support](https://pkg.go.dev/github.com/ncruces/go-sqlite3/ext/unicode)
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- [statistics functions](https://pkg.go.dev/github.com/ncruces/go-sqlite3/ext/stats)
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- [encryption at rest](vfs/adiantum/README.md)
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- [many extensions](ext/README.md)
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- [custom VFSes](vfs/README.md#custom-vfses)
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- [and more…](embed/README.md)
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### Caveats
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This module replaces the SQLite [OS Interface](https://sqlite.org/vfs.html)
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(aka VFS) with a [pure Go](vfs/) implementation,
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which has advantages and disadvantages.
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Read more about the Go VFS design [here](vfs/README.md).
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### Testing
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This project aims for [high test coverage](https://github.com/ncruces/go-sqlite3/wiki/Test-coverage-report).
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It also benefits greatly from [SQLite's](https://sqlite.org/testing.html) and
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[wazero's](https://tetrate.io/blog/introducing-wazero-from-tetrate/#:~:text=Rock%2Dsolid%20test%20approach) thorough testing.
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Every commit is [tested](https://github.com/ncruces/go-sqlite3/wiki/Test-matrix) on
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Linux (amd64/arm64/386/riscv64/ppc64le/s390x), macOS (amd64/arm64),
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Windows (amd64), FreeBSD (amd64), OpenBSD (amd64), NetBSD (amd64),
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DragonFly BSD (amd64), illumos (amd64), and Solaris (amd64).
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The Go VFS is tested by running SQLite's
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[mptest](https://github.com/sqlite/sqlite/blob/master/mptest/mptest.c).
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### Performance
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Perfomance of the [`database/sql`](https://pkg.go.dev/database/sql) driver is
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[competitive](https://github.com/cvilsmeier/go-sqlite-bench) with alternatives.
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The Wasm and VFS layers are also tested by running SQLite's
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[speedtest1](https://github.com/sqlite/sqlite/blob/master/test/speedtest1.c).
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### FAQ, issues, new features
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For questions, please see [Discussions](https://github.com/ncruces/go-sqlite3/discussions/categories/q-a).
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Also, post there if you used this driver for something interesting
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([_"Show and tell"_](https://github.com/ncruces/go-sqlite3/discussions/categories/show-and-tell)),
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have an [idea](https://github.com/ncruces/go-sqlite3/discussions/categories/ideas)…
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The [Issue](https://github.com/ncruces/go-sqlite3/issues) tracker is for bugs we want fixed,
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and features we're working on, planning to work on, or asking for help with.
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### Alternatives
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- [`modernc.org/sqlite`](https://pkg.go.dev/modernc.org/sqlite)
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- [`crawshaw.io/sqlite`](https://pkg.go.dev/crawshaw.io/sqlite)
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- [`github.com/mattn/go-sqlite3`](https://pkg.go.dev/github.com/mattn/go-sqlite3)
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- [`github.com/zombiezen/go-sqlite`](https://pkg.go.dev/github.com/zombiezen/go-sqlite)
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