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conn.go
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/
conn.go
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package sqlite
import (
"database/sql"
"log"
"os"
_ "github.com/mattn/go-sqlite3"
)
//"?cache=shared"
const (
ERR_UNDEFINED_DSN = "connection error: SQLite DSN '%s' is undefined\n"
)
// MustConnect returns a new DB connection
func MustConnect(dsn string, opts ...Option) *sql.DB {
db, err := connect(dsn, opts...)
if err != nil {
log.Fatalln(err)
}
return db
}
// MustConnect returns a new DB connection
func MustConnectENV(dsn string, opts ...Option) *sql.DB {
dsn, ok := os.LookupEnv(dsn)
if !ok {
log.Fatalf(ERR_UNDEFINED_DSN, dsn)
}
db, err := connect(dsn, opts...)
if err != nil {
log.Fatalln(err)
}
return db
}
// MustConnect returns a new DB connection
func connect(dsn string, opts ...Option) (*sql.DB, error) {
//"?cache=shared"
db, err := sql.Open("sqlite3", dsn)
if err != nil {
return nil, err
}
for _, opt := range opts {
err = opt(db)
if err != nil {
return nil, err
}
}
return db, nil
}