Update dependencies

Among others, this updates minio-go, so that the new "eu-west-3" zone
for AWS is supported.

vendor/cloud.google.com/go/bigquery/nulls.go

@@ -0,0 +1,169 @@
+// Copyright 2015 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package bigquery
+
+import (
+	"encoding/json"
+	"fmt"
+	"reflect"
+	"time"
+
+	"cloud.google.com/go/civil"
+)
+
+// NullInt64 represents a BigQuery INT64 that may be NULL.
+type NullInt64 struct {
+	Int64 int64
+	Valid bool // Valid is true if Int64 is not NULL.
+}
+
+func (n NullInt64) String() string { return nullstr(n.Valid, n.Int64) }
+
+// NullString represents a BigQuery STRING that may be NULL.
+type NullString struct {
+	StringVal string
+	Valid     bool // Valid is true if StringVal is not NULL.
+}
+
+func (n NullString) String() string { return nullstr(n.Valid, n.StringVal) }
+
+// NullFloat64 represents a BigQuery FLOAT64 that may be NULL.
+type NullFloat64 struct {
+	Float64 float64
+	Valid   bool // Valid is true if Float64 is not NULL.
+}
+
+func (n NullFloat64) String() string { return nullstr(n.Valid, n.Float64) }
+
+// NullBool represents a BigQuery BOOL that may be NULL.
+type NullBool struct {
+	Bool  bool
+	Valid bool // Valid is true if Bool is not NULL.
+}
+
+func (n NullBool) String() string { return nullstr(n.Valid, n.Bool) }
+
+// NullTimestamp represents a BigQuery TIMESTAMP that may be null.
+type NullTimestamp struct {
+	Timestamp time.Time
+	Valid     bool // Valid is true if Time is not NULL.
+}
+
+func (n NullTimestamp) String() string { return nullstr(n.Valid, n.Timestamp) }
+
+// NullDate represents a BigQuery DATE that may be null.
+type NullDate struct {
+	Date  civil.Date
+	Valid bool // Valid is true if Date is not NULL.
+}
+
+func (n NullDate) String() string { return nullstr(n.Valid, n.Date) }
+
+// NullTime represents a BigQuery TIME that may be null.
+type NullTime struct {
+	Time  civil.Time
+	Valid bool // Valid is true if Time is not NULL.
+}
+
+func (n NullTime) String() string {
+	if !n.Valid {
+		return "<null>"
+	}
+	return CivilTimeString(n.Time)
+}
+
+// NullDateTime represents a BigQuery DATETIME that may be null.
+type NullDateTime struct {
+	DateTime civil.DateTime
+	Valid    bool // Valid is true if DateTime is not NULL.
+}
+
+func (n NullDateTime) String() string {
+	if !n.Valid {
+		return "<null>"
+	}
+	return CivilDateTimeString(n.DateTime)
+}
+
+func (n NullInt64) MarshalJSON() ([]byte, error)     { return nulljson(n.Valid, n.Int64) }
+func (n NullFloat64) MarshalJSON() ([]byte, error)   { return nulljson(n.Valid, n.Float64) }
+func (n NullBool) MarshalJSON() ([]byte, error)      { return nulljson(n.Valid, n.Bool) }
+func (n NullString) MarshalJSON() ([]byte, error)    { return nulljson(n.Valid, n.StringVal) }
+func (n NullTimestamp) MarshalJSON() ([]byte, error) { return nulljson(n.Valid, n.Timestamp) }
+func (n NullDate) MarshalJSON() ([]byte, error)      { return nulljson(n.Valid, n.Date) }
+
+func (n NullTime) MarshalJSON() ([]byte, error) {
+	if !n.Valid {
+		return jsonNull, nil
+	}
+	return []byte(`"` + CivilTimeString(n.Time) + `"`), nil
+}
+
+func (n NullDateTime) MarshalJSON() ([]byte, error) {
+	if !n.Valid {
+		return jsonNull, nil
+	}
+	return []byte(`"` + CivilDateTimeString(n.DateTime) + `"`), nil
+}
+
+func nullstr(valid bool, v interface{}) string {
+	if !valid {
+		return "NULL"
+	}
+	return fmt.Sprint(v)
+}
+
+var jsonNull = []byte("null")
+
+func nulljson(valid bool, v interface{}) ([]byte, error) {
+	if !valid {
+		return jsonNull, nil
+	}
+	return json.Marshal(v)
+}
+
+var (
+	typeOfNullInt64     = reflect.TypeOf(NullInt64{})
+	typeOfNullFloat64   = reflect.TypeOf(NullFloat64{})
+	typeOfNullBool      = reflect.TypeOf(NullBool{})
+	typeOfNullString    = reflect.TypeOf(NullString{})
+	typeOfNullTimestamp = reflect.TypeOf(NullTimestamp{})
+	typeOfNullDate      = reflect.TypeOf(NullDate{})
+	typeOfNullTime      = reflect.TypeOf(NullTime{})
+	typeOfNullDateTime  = reflect.TypeOf(NullDateTime{})
+)
+
+func nullableFieldType(t reflect.Type) FieldType {
+	switch t {
+	case typeOfNullInt64:
+		return IntegerFieldType
+	case typeOfNullFloat64:
+		return FloatFieldType
+	case typeOfNullBool:
+		return BooleanFieldType
+	case typeOfNullString:
+		return StringFieldType
+	case typeOfNullTimestamp:
+		return TimestampFieldType
+	case typeOfNullDate:
+		return DateFieldType
+	case typeOfNullTime:
+		return TimeFieldType
+	case typeOfNullDateTime:
+		return DateTimeFieldType
+	default:
+		return ""
+	}
+}