145 lines
2.6 KiB
Go
145 lines
2.6 KiB
Go
package execution
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import (
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"database/sql/driver"
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"time"
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)
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// NullByteArray
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type NullByteArray struct {
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ByteArray []byte
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Valid bool
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}
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// Scan implements the Scanner interface.
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func (nb *NullByteArray) Scan(value interface{}) error {
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switch v := value.(type) {
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case []byte:
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nb.ByteArray = append(v[:0:0], v...)
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nb.Valid = true
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default:
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nb.Valid = false
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}
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return nil
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}
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// Value implements the driver Valuer interface.
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func (nb NullByteArray) Value() (driver.Value, error) {
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if !nb.Valid {
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return nil, nil
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}
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return nb.ByteArray, nil
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}
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//NullTime
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type NullTime struct {
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Time time.Time
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Valid bool // Valid is true if Time is not NULL
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}
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// Scan implements the Scanner interface.
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func (nt *NullTime) Scan(value interface{}) error {
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nt.Time, nt.Valid = value.(time.Time)
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return nil
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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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type NullInt32 struct {
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Int32 int32
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Valid bool // Valid is true if Int64 is not NULL
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}
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// Scan implements the Scanner interface.
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func (n *NullInt32) Scan(value interface{}) error {
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switch v := value.(type) {
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case int64:
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n.Int32, n.Valid = int32(v), true
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return nil
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case int32:
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n.Int32, n.Valid = v, true
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return nil
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case uint8:
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n.Int32, n.Valid = int32(v), true
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return nil
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}
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n.Valid = false
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return nil
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}
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// Value implements the driver Valuer interface.
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func (n NullInt32) Value() (driver.Value, error) {
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if !n.Valid {
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return nil, nil
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}
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return n.Int32, nil
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}
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type NullInt16 struct {
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Int16 int16
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Valid bool // Valid is true if Int64 is not NULL
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}
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// Scan implements the Scanner interface.
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func (n *NullInt16) Scan(value interface{}) error {
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switch v := value.(type) {
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case int64:
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n.Int16, n.Valid = int16(v), true
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return nil
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case int16:
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n.Int16, n.Valid = v, true
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return nil
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case uint8:
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n.Int16, n.Valid = int16(v), true
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return nil
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}
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n.Valid = false
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return nil
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}
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// Value implements the driver Valuer interface.
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func (n NullInt16) Value() (driver.Value, error) {
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if !n.Valid {
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return nil, nil
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}
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return n.Int16, nil
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}
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type NullFloat32 struct {
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Float32 float32
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Valid bool // Valid is true if Int64 is not NULL
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}
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// Scan implements the Scanner interface.
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func (n *NullFloat32) Scan(value interface{}) error {
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switch v := value.(type) {
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case float64:
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n.Float32, n.Valid = float32(v), true
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return nil
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case float32:
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n.Float32, n.Valid = v, true
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return nil
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}
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n.Valid = false
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return nil
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}
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// Value implements the driver Valuer interface.
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func (n NullFloat32) Value() (driver.Value, error) {
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if !n.Valid {
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return nil, nil
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}
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return n.Float32, nil
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}
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