40 lines
1013 B
Go
40 lines
1013 B
Go
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// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package pb
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import (
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"database/sql/driver"
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proto "github.com/gogo/protobuf/proto"
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"github.com/zeebo/errs"
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)
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var scanError = errs.Class("Protobuf Scanner")
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var valueError = errs.Class("Protobuf Valuer")
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//scan automatically converts database []byte to proto.Messages
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func scan(msg proto.Message, value interface{}) error {
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bytes, ok := value.([]byte)
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if !ok {
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return scanError.New("%t was %t, expected []bytes", msg, value)
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}
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return scanError.Wrap(proto.Unmarshal(bytes, msg))
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}
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//value automatically converts proto.Messages to database []byte
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func value(msg proto.Message) (driver.Value, error) {
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value, err := proto.Marshal(msg)
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return value, valueError.Wrap(err)
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}
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// Scan implements the Scanner interface.
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func (n *InjuredSegment) Scan(value interface{}) error {
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return scan(n, value)
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}
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// Value implements the driver Valuer interface.
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func (n InjuredSegment) Value() (driver.Value, error) {
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return value(&n)
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}
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