type Plugin interface {
	Name() string
	Initialize(*DB) error
}

type ParamsFilter interface {
	ParamsFilter(ctx context.Context, sql string, params ...interface{}) (string, []interface{})
}

// ConnPool db conns pool interface
type ConnPool interface {
	PrepareContext(ctx context.Context, query string) (*sql.Stmt, error)
	ExecContext(ctx context.Context, query string, args ...interface{}) (sql.Result, error)

fs.s3a.endpoint=http://minio:9000
fs.s3a.impl=org.apache.hadoop.fs.s3a.S3AFileSystem

fs.s3a.committer.threads=2048 # Number of threads writing to MinIO
fs.s3a.connection.maximum=8192 # Maximum number of concurrent conns
fs.s3a.fast.upload.active.blocks=2048 # Number of parallel uploads
fs.s3a.fast.upload.buffer=disk # Use disk as the buffer for uploads
fs.s3a.fast.upload=true # Turn on fast upload mode

		Value: func() time.Duration {
			if orchestrated {
				return 30 * time.Second
			}
			return 10 * time.Minute
		}(),
		EnvVar: "MINIO_DNS_CACHE_TTL",
	},
	cli.IntFlag{
		Name:   "max-idle-conns-per-host",
		Usage:  "set a custom max idle connections per host value",
		Hidden: true,
		Value:  2048,
		EnvVar: "MINIO_MAX_IDLE_CONNS_PER_HOST",
	},
	cli.StringSliceFlag{
		Name:  "ftp",

	// MAC generates the checksum of the given req.Message using the key
	// with the req.Name at the KMS.
	MAC(context.Context, *MACRequest) ([]byte, error)
}

var ( // compiler checks
	_ conn = (*kmsConn)(nil)
	_ conn = (*kesConn)(nil)
	_ conn = secretKey{}
)

// Supported KMS types
const (
	MinKMS  Type = iota + 1 // MinIO KMS
	MinKES                  // MinIO MinKES

// First finds the first record ordered by primary key, matching given conditions conds
func (db *DB) First(dest interface{}, conds ...interface{}) (tx *DB) {
	tx = db.Limit(1).Order(clause.OrderByColumn{
		Column: clause.Column{Table: clause.CurrentTable, Name: clause.PrimaryKey},
	})
	if len(conds) > 0 {
		if exprs := tx.Statement.BuildCondition(conds[0], conds[1:]...); len(exprs) > 0 {
			tx.Statement.AddClause(clause.Where{Exprs: exprs})

* Documentation automatique des modèles de données avec <a href="http://json-schema.org/"...

		},
	}

	defer func() {
		if !reflect.DeepEqual(conn.got, conn.expect) {
			t.Errorf("expect %#v but got %#v", conn.expect, conn.got)
		}
	}()

	db, err := gorm.Open(mysql.New(mysql.Config{Conn: conn, DisableWithReturning: true}))
	if err != nil {
		t.Fatalf("Should open db success, but got %v", err)
	}

	tx := db.Begin()

				conds = append(conds, clause.IN{Column: pcolumn, Values: pvalues})
			} else {
				return ErrPrimaryKeyRequired
			}

			_, rvs := schema.GetIdentityFieldValuesMapFromValues(association.DB.Statement.Context, values, primaryFields)
			relColumn, relValues := schema.ToQueryValues(rel.Schema.Table, foreignKeys, rvs)
			conds = append(conds, clause.IN{Column: relColumn, Values: relValues})

//
// [docs]: https://gorm.io/docs/query.html#Conditions
func (db *DB) Where(query interface{}, args ...interface{}) (tx *DB) {
	tx = db.getInstance()
	if conds := tx.Statement.BuildCondition(query, args...); len(conds) > 0 {
		tx.Statement.AddClause(clause.Where{Exprs: conds})
	}
	return
}

// Not add NOT conditions
//
// Not works similarly to where, and has the same syntax.
//

}

// Accept - reads from httpListener.acceptCh for one of previously accepted TCP connection and returns the same.
func (listener *httpListener) Accept() (conn net.Conn, err error) {
	select {
	case result, ok := <-listener.acceptCh:
		if ok {
			return result.conn, result.err
		}
	case <-listener.ctx.Done():
	}
	return nil, syscall.EINVAL
}

// Close - closes underneath all TCP listeners.