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database.go
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database.go
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// Copyright (c) 2022 Levi Gruspe
// License: GNU AGPLv3 or later
// Database management stuff.
package database
import (
"context"
"database/sql"
"embed"
_ "github.com/mattn/go-sqlite3"
"github.com/pressly/goose/v3"
)
//go:embed migrations
var migrations embed.FS
func init() {
goose.SetBaseFS(migrations)
goose.SetLogger(goose.NopLogger())
if err := goose.SetDialect("sqlite3"); err != nil {
panic(err)
}
}
// NOTE Caller has to Close the db.
func Open(path string) (*sql.DB, error) {
return sql.Open("sqlite3", path)
}
// Attaches database to the connection.
func attach(con *sql.Conn, name, path string) error {
query := `attach database ? as ?`
_, err := con.ExecContext(context.TODO(), query, path, name)
return err
}
// Detaches database from connection.
func detach(con *sql.Conn, name string) error {
query := `detach database ?`
_, err := con.ExecContext(context.TODO(), query, name)
return err
}
type Querier interface {
*sql.DB | *sql.Tx | *Connection
Begin() (*sql.Tx, error)
Exec(query string, args ...any) (sql.Result, error)
Query(query string, args ...any) (*sql.Rows, error)
QueryRow(query string, args ...any) *sql.Row
}