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63 lines
1.3 KiB
Go
63 lines
1.3 KiB
Go
// Copyright (C) 2020 Storj Labs, Inc.
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// See LICENSE for copying information.
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package uuid
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import (
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"database/sql/driver"
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)
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// Value implements sql/driver.Valuer interface.
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func (uuid UUID) Value() (driver.Value, error) {
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return uuid[:], nil
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}
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// Scan implements sql.Scanner interface.
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func (uuid *UUID) Scan(value interface{}) error {
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switch value := value.(type) {
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case []byte:
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x, err := FromBytes(value)
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if err != nil {
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return Error.Wrap(err)
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}
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*uuid = x
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return nil
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case string:
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x, err := FromString(value)
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if err != nil {
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return Error.Wrap(err)
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}
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*uuid = x
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return nil
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default:
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return Error.New("unable to scan %T into UUID", value)
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}
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}
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// NullUUID represents a UUID that may be null.
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// NullUUID implements the Scanner interface so it can be used
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// as a scan destination, similar to sql.NullString.
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type NullUUID struct {
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UUID UUID
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Valid bool // Valid is true if UUID is not NULL
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}
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// Value implements sql/driver.Valuer interface.
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func (n NullUUID) 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.UUID.Value()
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}
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// Scan implements sql.Scanner interface.
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func (n *NullUUID) Scan(value interface{}) error {
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if value == nil {
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n.UUID, n.Valid = UUID{}, false
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return nil
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}
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n.Valid = true
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return n.UUID.Scan(value)
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}
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