b5159e8976
However, the enum tree is not supported since they do not support them. But other than that, mysql and maria DB seem to both be supported.
72 lines
1.7 KiB
Go
72 lines
1.7 KiB
Go
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
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//
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// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at http://mozilla.org/MPL/2.0/.
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package mysql
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import (
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"database/sql"
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"database/sql/driver"
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"fmt"
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"time"
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)
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// NullTime represents a time.Time that may be NULL.
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// NullTime implements the Scanner interface so
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// it can be used as a scan destination:
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//
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// var nt NullTime
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// err := db.QueryRow("SELECT time FROM foo WHERE id=?", id).Scan(&nt)
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// ...
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// if nt.Valid {
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// // use nt.Time
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// } else {
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// // NULL value
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// }
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//
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// # This NullTime implementation is not driver-specific
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//
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// Deprecated: NullTime doesn't honor the loc DSN parameter.
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// NullTime.Scan interprets a time as UTC, not the loc DSN parameter.
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// Use sql.NullTime instead.
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type NullTime sql.NullTime
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// Scan implements the Scanner interface.
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// The value type must be time.Time or string / []byte (formatted time-string),
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// otherwise Scan fails.
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func (nt *NullTime) Scan(value any) (err error) {
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if value == nil {
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nt.Time, nt.Valid = time.Time{}, false
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return
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}
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switch v := value.(type) {
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case time.Time:
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nt.Time, nt.Valid = v, true
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return
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case []byte:
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nt.Time, err = parseDateTime(v, time.UTC)
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nt.Valid = (err == nil)
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return
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case string:
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nt.Time, err = parseDateTime([]byte(v), time.UTC)
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nt.Valid = (err == nil)
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return
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}
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nt.Valid = false
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return fmt.Errorf("can't convert %T to time.Time", value)
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}
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// Value implements the driver Valuer interface.
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func (nt NullTime) Value() (driver.Value, error) {
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if !nt.Valid {
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return nil, nil
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}
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return nt.Time, nil
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}
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