mirror of https://github.com/hashicorp/consul
44 lines
1.1 KiB
Go
44 lines
1.1 KiB
Go
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/*
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Copyright 2017 SAP SE
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package driver
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import (
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"database/sql/driver"
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)
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// NullBytes represents an []byte that may be null.
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// NullBytes implements the Scanner interface so
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// it can be used as a scan destination, similar to NullString.
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type NullBytes struct {
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Bytes []byte
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Valid bool // Valid is true if Bytes is not NULL
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}
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// Scan implements the Scanner interface.
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func (n *NullBytes) Scan(value interface{}) error {
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n.Bytes, n.Valid = value.([]byte)
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return nil
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}
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// Value implements the driver Valuer interface.
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func (n NullBytes) Value() (driver.Value, error) {
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if !n.Valid {
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return nil, nil
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}
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return n.Bytes, nil
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}
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