mirror of https://github.com/jackc/pgx.git
91 lines
1.6 KiB
Go
91 lines
1.6 KiB
Go
package zeronull
|
|
|
|
import (
|
|
"database/sql/driver"
|
|
|
|
"github.com/jackc/pgtype"
|
|
)
|
|
|
|
type Text string
|
|
|
|
func (dst *Text) DecodeText(ci *pgtype.ConnInfo, src []byte) error {
|
|
var nullable pgtype.Text
|
|
err := nullable.DecodeText(ci, src)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if nullable.Status == pgtype.Present {
|
|
*dst = Text(nullable.String)
|
|
} else {
|
|
*dst = Text("")
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (dst *Text) DecodeBinary(ci *pgtype.ConnInfo, src []byte) error {
|
|
var nullable pgtype.Text
|
|
err := nullable.DecodeBinary(ci, src)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if nullable.Status == pgtype.Present {
|
|
*dst = Text(nullable.String)
|
|
} else {
|
|
*dst = Text("")
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (src Text) EncodeText(ci *pgtype.ConnInfo, buf []byte) ([]byte, error) {
|
|
if src == Text("") {
|
|
return nil, nil
|
|
}
|
|
|
|
nullable := pgtype.Text{
|
|
String: string(src),
|
|
Status: pgtype.Present,
|
|
}
|
|
|
|
return nullable.EncodeText(ci, buf)
|
|
}
|
|
|
|
func (src Text) EncodeBinary(ci *pgtype.ConnInfo, buf []byte) ([]byte, error) {
|
|
if src == Text("") {
|
|
return nil, nil
|
|
}
|
|
|
|
nullable := pgtype.Text{
|
|
String: string(src),
|
|
Status: pgtype.Present,
|
|
}
|
|
|
|
return nullable.EncodeBinary(ci, buf)
|
|
}
|
|
|
|
// Scan implements the database/sql Scanner interface.
|
|
func (dst *Text) Scan(src interface{}) error {
|
|
if src == nil {
|
|
*dst = Text("")
|
|
return nil
|
|
}
|
|
|
|
var nullable pgtype.Text
|
|
err := nullable.Scan(src)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
*dst = Text(nullable.String)
|
|
|
|
return nil
|
|
}
|
|
|
|
// Value implements the database/sql/driver Valuer interface.
|
|
func (src Text) Value() (driver.Value, error) {
|
|
return pgtype.EncodeValueText(src)
|
|
}
|