/
int4.go
90 lines (70 loc) · 1.51 KB
/
int4.go
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package zeronull
import (
"database/sql/driver"
"github.com/jackc/pgtype"
)
type Int4 int32
func (dst *Int4) DecodeText(ci *pgtype.ConnInfo, src []byte) error {
var nullable pgtype.Int4
err := nullable.DecodeText(ci, src)
if err != nil {
return err
}
if nullable.Status == pgtype.Present {
*dst = Int4(nullable.Int)
} else {
*dst = 0
}
return nil
}
func (dst *Int4) DecodeBinary(ci *pgtype.ConnInfo, src []byte) error {
var nullable pgtype.Int4
err := nullable.DecodeBinary(ci, src)
if err != nil {
return err
}
if nullable.Status == pgtype.Present {
*dst = Int4(nullable.Int)
} else {
*dst = 0
}
return nil
}
func (src Int4) EncodeText(ci *pgtype.ConnInfo, buf []byte) ([]byte, error) {
if src == 0 {
return nil, nil
}
nullable := pgtype.Int4{
Int: int32(src),
Status: pgtype.Present,
}
return nullable.EncodeText(ci, buf)
}
func (src Int4) EncodeBinary(ci *pgtype.ConnInfo, buf []byte) ([]byte, error) {
if src == 0 {
return nil, nil
}
nullable := pgtype.Int4{
Int: int32(src),
Status: pgtype.Present,
}
return nullable.EncodeBinary(ci, buf)
}
// Scan implements the database/sql Scanner interface.
func (dst *Int4) Scan(src interface{}) error {
if src == nil {
*dst = 0
return nil
}
var nullable pgtype.Int4
err := nullable.Scan(src)
if err != nil {
return err
}
*dst = Int4(nullable.Int)
return nil
}
// Value implements the database/sql/driver Valuer interface.
func (src Int4) Value() (driver.Value, error) {
return pgtype.EncodeValueText(src)
}