mirror of https://github.com/jackc/pgx.git
57 lines
952 B
Go
57 lines
952 B
Go
package zeronull
|
|
|
|
import (
|
|
"database/sql/driver"
|
|
|
|
"github.com/jackc/pgx/v5/pgtype"
|
|
)
|
|
|
|
type Float8 float64
|
|
|
|
func (Float8) SkipUnderlyingTypePlan() {}
|
|
|
|
// ScanFloat64 implements the Float64Scanner interface.
|
|
func (f *Float8) ScanFloat64(n pgtype.Float8) error {
|
|
if !n.Valid {
|
|
*f = 0
|
|
return nil
|
|
}
|
|
|
|
*f = Float8(n.Float64)
|
|
|
|
return nil
|
|
}
|
|
|
|
func (f Float8) Float64Value() (pgtype.Float8, error) {
|
|
if f == 0 {
|
|
return pgtype.Float8{}, nil
|
|
}
|
|
return pgtype.Float8{Float64: float64(f), Valid: true}, nil
|
|
}
|
|
|
|
// Scan implements the database/sql Scanner interface.
|
|
func (f *Float8) Scan(src any) error {
|
|
if src == nil {
|
|
*f = 0
|
|
return nil
|
|
}
|
|
|
|
var nullable pgtype.Float8
|
|
err := nullable.Scan(src)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
*f = Float8(nullable.Float64)
|
|
|
|
return nil
|
|
}
|
|
|
|
// Value implements the database/sql/driver Valuer interface.
|
|
func (f Float8) Value() (driver.Value, error) {
|
|
if f == 0 {
|
|
return nil, nil
|
|
}
|
|
return float64(f), nil
|
|
}
|