func createDB(database string, conn *r.Session) (string, error) {
var response interface{}
res, _ := r.DBList().Contains(database).Run(conn)
res.One(&response)
if response == false {
return fmt.Sprintf("New database %s created", database), r.DBCreate(database).Exec(conn)
}
return fmt.Sprintf("Database %s already exists", database), nil
}
func createDatabase(dbName string) {
_, err := r.Branch(
r.DBList().Contains(dbName),
nil,
r.DBCreate(dbName),
).Run(Session)
if err != nil {
panic(err)
}
}
func checkDatabase() {
session := connect()
defer killSession(session)
databases, err := r.DBList().Run(session)
var result string
for databases.Next(&result) {
if result == databaseName {
return
}
}
_, err = r.DBCreate(databaseName).Run(session)
LogError(err)
}
// Ls returns all db names
func Ls(conn *r.Session) []string {
var dbs []string
term, err := r.DBList().Run(conn)
if err != nil {
fmt.Println("Couldn't run DBList!", err)
panic(err)
}
err = term.All(&dbs)
if err != nil {
fmt.Println("Ls couldn't unfold a term")
panic(err)
}
return dbs
}
func InitDB(dbName string) (session *r.Session, err error) {
var cursor *r.Cursor
session, err = r.Connect(r.ConnectOpts{
Address: os.Getenv("RETHINKDB_URL"),
Database: dbName,
MaxIdle: 10,
Timeout: time.Second * 10,
})
if err != nil {
l.Println("Connect", err)
return
}
cursor, err = r.DBList().Contains(dbName).Do(func(row r.Term) r.Term {
return r.Branch(
row.Eq(true),
nil,
r.DBCreate(dbName),
)
}).Run(session)
defer cursor.Close()
for _, table := range tables {
cursor, err = r.DB(dbName).TableList().Contains(table.name).Do(func(row r.Term) r.Term {
return r.Branch(
row.Eq(true),
nil,
r.DB(dbName).TableCreate(table.name, table.options),
)
}).Run(session)
defer cursor.Close()
if err != nil {
return
}
}
return
}
func setup() {
dbs, err := r.DBList().Run(session)
if err != nil {
log.Fatalln(err.Error())
}
defer dbs.Close()
var response []string
dbs.All(&response)
log.Println(response)
log.Println(contains(response, "test"))
if contains(response, "recipes") {
log.Println("DB already exists")
} else {
_, err := r.DBCreate("recipes").RunWrite(session)
if err != nil {
log.Fatalln(err.Error())
}
}
tables, err := r.DB("recipes").TableList().Run(session)
if err != nil {
log.Fatalln(err.Error())
}
defer tables.Close()
var tableList []string
err = tables.All(&tableList)
if contains(tableList, "recipes") {
log.Println("Table already exists")
} else {
_, err := r.DB("recipes").TableCreate("recipes").RunWrite(session)
if err != nil {
log.Fatalln(err.Error())
}
}
}
func createDatabaseIfNotExists(name string) error {
// Check if the database exists.
cur, err := r.DBList().Run(Session)
if err != nil {
return err
}
dbName := ""
for cur.Next(&dbName) {
if dbName == name {
return nil
}
}
// Create the database.
log.L.Infof("Database: creating database %s", name)
_, err = r.DBCreate(name).RunWrite(Session)
if err != nil {
return err
}
return nil
}
