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# This file lists authors for copyright purposes. This file is distinct from
# the CONTRIBUTORS files. See the latter for an explanation.
#
# Names should be added to this file as:
# Name or Organization <email address>
#
# The email address is not required for organizations.
#
# Please keep the list sorted.
Artyom Pervukhin <github@artyom.dev>
Dan Peterson <danp@danp.net>
David Walton <david@davidwalton.com>
Davsk Ltd Co <skinner.david@gmail.com>
Jaap Aarts <jaap.aarts1@gmail.com>
Jan Mercl <0xjnml@gmail.com>
Josh Bleecher Snyder <josharian@gmail.com>
Logan Snow <logansnow@protonmail.com>
Michael Hoffmann <mhoffm@posteo.de>
Ross Light <ross@zombiezen.com>
Saed SayedAhmed <saadmtsa@gmail.com>
Steffen Butzer <steffen(dot)butzer@outlook.com>
Michael Rykov <mrykov@gmail.com>
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# This file lists people who contributed code to this repository. The AUTHORS
# file lists the copyright holders; this file lists people.
#
# Names should be added to this file like so:
# Name <email address>
#
# Please keep the list sorted.
Alexander Menzhinsky <amenzhinsky@gmail.com>
Artyom Pervukhin <github@artyom.dev>
Dan Peterson <danp@danp.net>
David Skinner <skinner.david@gmail.com>
David Walton <david@davidwalton.com>
Elle Mouton <elle.mouton@gmail.com>
FlyingOnion <731677080@qq.com>
Gleb Sakhnov <gleb.sakhnov@gmail.com>
Jaap Aarts <jaap.aarts1@gmail.com>
Jan Mercl <0xjnml@gmail.com>
Josh Bleecher Snyder <josharian@gmail.com>
Logan Snow <logansnow@protonmail.com>
Matthew Gabeler-Lee <fastcat@gmail.com>
Michael Hoffmann <mhoffm@posteo.de>
Ross Light <ross@zombiezen.com>
Saed SayedAhmed <saadmtsa@gmail.com>
Steffen Butzer <steffen(dot)butzer@outlook.com>
Yaacov Akiba Slama <ya@slamail.org>
Saed SayedAhmed <saadmtsa@gmail.com>
Michael Rykov <mrykov@gmail.com>
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Copyright (c) 2017 The Sqlite Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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[![Tests](https://github.com/glebarez/go-sqlite/actions/workflows/tests.yml/badge.svg)](https://github.com/glebarez/go-sqlite/actions/workflows/tests.yml)
![badge](https://img.shields.io/endpoint?url=https://gist.githubusercontent.com/glebarez/0fd7561eb29baf31d5362ffee1ae1702/raw/badge-sqlite-version-with-date.json)
# go-sqlite
This is a pure-Go SQLite driver for Golang's native [database/sql](https://pkg.go.dev/database/sql) package.
The driver has [Go-based implementation of SQLite](https://gitlab.com/cznic/sqlite) embedded in itself (so, you don't need to install SQLite separately)
# Usage
## Example
```go
package main
import (
"database/sql"
"log"
_ "github.com/glebarez/go-sqlite"
)
func main() {
// connect
db, err := sql.Open("sqlite", ":memory:")
if err != nil {
log.Fatal(err)
}
// get SQLite version
_ := db.QueryRow("select sqlite_version()")
}
```
## Connection string examples
- in-memory SQLite: ```":memory:"```
- on-disk SQLite: ```"path/to/some.db"```
- Foreign-key constraint activation: ```":memory:?_pragma=foreign_keys(1)"```
## Settings PRAGMAs in connection string
Any SQLIte pragma can be preset for a Database connection using ```_pragma``` query parameter. Examples:
- [journal mode](https://www.sqlite.org/pragma.html#pragma_journal_mode): ```path/to/some.db?_pragma=journal_mode(WAL)```
- [busy timeout](https://www.sqlite.org/pragma.html#pragma_busy_timeout): ```:memory:?_pragma=busy_timeout(5000)```
Multiple PRAGMAs can be specified, e.g.:<br>
```path/to/some.db?_pragma=busy_timeout(5000)&_pragma=journal_mode(WAL)```
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SQLite Is Public Domain
All of the code and documentation in SQLite has been dedicated to the public
domain by the authors. All code authors, and representatives of the companies
they work for, have signed affidavits dedicating their contributions to the
public domain and originals of those signed affidavits are stored in a firesafe
at the main offices of Hwaci. Anyone is free to copy, modify, publish, use,
compile, sell, or distribute the original SQLite code, either in source code
form or as a compiled binary, for any purpose, commercial or non-commercial,
and by any means.
The previous paragraph applies to the deliverable code and documentation in
SQLite - those parts of the SQLite library that you actually bundle and ship
with a larger application. Some scripts used as part of the build process (for
example the "configure" scripts generated by autoconf) might fall under other
open-source licenses. Nothing from these build scripts ever reaches the final
deliverable SQLite library, however, and so the licenses associated with those
scripts should not be a factor in assessing your rights to copy and use the
SQLite library.
All of the deliverable code in SQLite has been written from scratch. No code
has been taken from other projects or from the open internet. Every line of
code can be traced back to its original author, and all of those authors have
public domain dedications on file. So the SQLite code base is clean and is
uncontaminated with licensed code from other projects.
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// Copyright 2019 The Sqlite Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package sqlite // import "modernc.org/sqlite"
import (
"sync"
"unsafe"
"modernc.org/libc"
"modernc.org/libc/sys/types"
)
type mutex struct {
sync.Mutex
}
func mutexAlloc(tls *libc.TLS) uintptr {
return libc.Xcalloc(tls, 1, types.Size_t(unsafe.Sizeof(mutex{})))
}
func mutexFree(tls *libc.TLS, m uintptr) { libc.Xfree(tls, m) }
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// Copyright 2021 The Sqlite Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build windows
// +build windows
package sqlite // import "modernc.org/sqlite"
func setMaxOpenFiles(n int) error { return nil }
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// Copyright 2021 The Sqlite Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build freebsd
// +build freebsd
package sqlite // import "modernc.org/sqlite"
import (
"golang.org/x/sys/unix"
)
func setMaxOpenFiles(n int64) error {
var rLimit unix.Rlimit
rLimit.Max = n
rLimit.Cur = n
return unix.Setrlimit(unix.RLIMIT_NOFILE, &rLimit)
}
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// Copyright 2021 The Sqlite Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build linux || darwin || netbsd || openbsd
// +build linux darwin netbsd openbsd
package sqlite // import "modernc.org/sqlite"
import (
"golang.org/x/sys/unix"
)
func setMaxOpenFiles(n int64) error {
var rLimit unix.Rlimit
rLimit.Max = uint64(n)
rLimit.Cur = uint64(n)
return unix.Setrlimit(unix.RLIMIT_NOFILE, &rLimit)
}
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// Copyright 2017 The Sqlite Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build go1.8
// +build go1.8
package sqlite // import "modernc.org/sqlite"
import (
"context"
"database/sql/driver"
)
// Ping implements driver.Pinger
func (c *conn) Ping(ctx context.Context) error {
_, err := c.ExecContext(ctx, "select 1", nil)
return err
}
// BeginTx implements driver.ConnBeginTx
func (c *conn) BeginTx(ctx context.Context, opts driver.TxOptions) (driver.Tx, error) {
return c.begin(ctx, opts)
}
// PrepareContext implements driver.ConnPrepareContext
func (c *conn) PrepareContext(ctx context.Context, query string) (driver.Stmt, error) {
return c.prepare(ctx, query)
}
// ExecContext implements driver.ExecerContext
func (c *conn) ExecContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Result, error) {
return c.exec(ctx, query, args)
}
// QueryContext implements driver.QueryerContext
func (c *conn) QueryContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Rows, error) {
return c.query(ctx, query, args)
}
// ExecContext implements driver.StmtExecContext
func (s *stmt) ExecContext(ctx context.Context, args []driver.NamedValue) (driver.Result, error) {
return s.exec(ctx, args)
}
// QueryContext implements driver.StmtQueryContext
func (s *stmt) QueryContext(ctx context.Context, args []driver.NamedValue) (driver.Rows, error) {
return s.query(ctx, args)
}