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d77176912b
* Migrate to go modules * make vendor * Update mvdan.cc/xurls * make vendor * Update code.gitea.io/git * make fmt-check * Update github.com/go-sql-driver/mysql * make vendor
78 lines
2.3 KiB
Go
78 lines
2.3 KiB
Go
// Copyright (C) 2013-2018 by Maxim Bublis <b@codemonkey.ru>
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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package uuid
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import (
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"database/sql/driver"
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"fmt"
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)
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// Value implements the driver.Valuer interface.
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func (u UUID) Value() (driver.Value, error) {
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return u.String(), nil
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}
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// Scan implements the sql.Scanner interface.
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// A 16-byte slice is handled by UnmarshalBinary, while
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// a longer byte slice or a string is handled by UnmarshalText.
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func (u *UUID) Scan(src interface{}) error {
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switch src := src.(type) {
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case []byte:
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if len(src) == Size {
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return u.UnmarshalBinary(src)
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}
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return u.UnmarshalText(src)
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case string:
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return u.UnmarshalText([]byte(src))
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}
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return fmt.Errorf("uuid: cannot convert %T to UUID", src)
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}
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// NullUUID can be used with the standard sql package to represent a
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// UUID value that can be NULL in the database
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type NullUUID struct {
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UUID UUID
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Valid bool
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}
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// Value implements the driver.Valuer interface.
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func (u NullUUID) Value() (driver.Value, error) {
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if !u.Valid {
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return nil, nil
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}
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// Delegate to UUID Value function
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return u.UUID.Value()
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}
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// Scan implements the sql.Scanner interface.
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func (u *NullUUID) Scan(src interface{}) error {
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if src == nil {
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u.UUID, u.Valid = Nil, false
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return nil
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}
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// Delegate to UUID Scan function
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u.Valid = true
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return u.UUID.Scan(src)
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}
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