MySQL execution and scan support.

This commit is contained in:
go-jet 2019-07-29 18:08:53 +02:00
parent 5dda5e1e11
commit bffa102849
34 changed files with 48216 additions and 337 deletions

View file

@ -2,9 +2,12 @@ package internal
import (
"database/sql/driver"
"strconv"
"time"
)
//===============================================================//
// NullByteArray struct
type NullByteArray struct {
ByteArray []byte
@ -31,6 +34,8 @@ func (nb NullByteArray) Value() (driver.Value, error) {
return nb.ByteArray, nil
}
//===============================================================//
// NullTime struct
type NullTime struct {
Time time.Time
@ -51,24 +56,30 @@ func (nt NullTime) Value() (driver.Value, error) {
return nt.Time, nil
}
// NullInt32 struct
type NullInt32 struct {
Int32 int32
Valid bool // Valid is true if Int64 is not NULL
//===============================================================//
// NullInt8 struct
type NullInt8 struct {
Int8 int8
Valid bool
}
// Scan implements the Scanner interface.
func (n *NullInt32) Scan(value interface{}) error {
func (n *NullInt8) Scan(value interface{}) error {
switch v := value.(type) {
case int64:
n.Int32, n.Valid = int32(v), true
n.Int8, n.Valid = int8(v), true
return nil
case int32:
n.Int32, n.Valid = v, true
return nil
case uint8:
n.Int32, n.Valid = int32(v), true
case int8:
n.Int8, n.Valid = v, true
return nil
case []byte:
intV, err := strconv.ParseInt(string(v), 10, 8)
if err == nil {
n.Int8, n.Valid = int8(intV), true
return nil
}
}
n.Valid = false
@ -77,21 +88,60 @@ func (n *NullInt32) Scan(value interface{}) error {
}
// Value implements the driver Valuer interface.
func (n NullInt32) Value() (driver.Value, error) {
func (n NullInt8) Value() (driver.Value, error) {
if !n.Valid {
return nil, nil
}
return n.Int32, nil
return n.Int8, nil
}
//===============================================================//
// NullUInt8 struct
type NullUInt8 struct {
Uint8 uint8
Valid bool
}
// Scan implements the Scanner interface.
func (n *NullUInt8) Scan(value interface{}) error {
switch v := value.(type) {
case uint8:
n.Uint8, n.Valid = v, true
return nil
case []byte:
intV, err := strconv.ParseInt(string(v), 10, 8)
if err == nil {
n.Uint8, n.Valid = uint8(intV), true
return nil
}
}
n.Valid = false
return nil
}
// Value implements the driver Valuer interface.
func (n NullUInt8) Value() (driver.Value, error) {
if !n.Valid {
return nil, nil
}
return n.Uint8, nil
}
//===============================================================//
// NullInt16 struct
type NullInt16 struct {
Int16 int16
Valid bool // Valid is true if Int64 is not NULL
Valid bool
}
// Scan implements the Scanner interface.
func (n *NullInt16) Scan(value interface{}) error {
switch v := value.(type) {
case int64:
n.Int16, n.Valid = int16(v), true
@ -99,9 +149,18 @@ func (n *NullInt16) Scan(value interface{}) error {
case int16:
n.Int16, n.Valid = v, true
return nil
case int8:
n.Int16, n.Valid = int16(v), true
return nil
case uint8:
n.Int16, n.Valid = int16(v), true
return nil
case []byte:
intV, err := strconv.ParseInt(string(v), 10, 16)
if err == nil {
n.Int16, n.Valid = int16(intV), true
return nil
}
}
n.Valid = false
@ -117,10 +176,259 @@ func (n NullInt16) Value() (driver.Value, error) {
return n.Int16, nil
}
//===============================================================//
// NullUInt16 struct
type NullUInt16 struct {
UInt16 uint16
Valid bool
}
// Scan implements the Scanner interface.
func (n *NullUInt16) Scan(value interface{}) error {
switch v := value.(type) {
case uint16:
n.UInt16, n.Valid = v, true
return nil
case int8:
n.UInt16, n.Valid = uint16(v), true
return nil
case uint8:
n.UInt16, n.Valid = uint16(v), true
return nil
case []byte:
intV, err := strconv.ParseInt(string(v), 10, 16)
if err == nil {
n.UInt16, n.Valid = uint16(intV), true
return nil
}
}
n.Valid = false
return nil
}
// Value implements the driver Valuer interface.
func (n NullUInt16) Value() (driver.Value, error) {
if !n.Valid {
return nil, nil
}
return n.UInt16, nil
}
//===============================================================//
// NullInt32 struct
type NullInt32 struct {
Int32 int32
Valid bool
}
// Scan implements the Scanner interface.
func (n *NullInt32) Scan(value interface{}) error {
switch v := value.(type) {
case int64:
n.Int32, n.Valid = int32(v), true
return nil
case int32:
n.Int32, n.Valid = v, true
return nil
case int16:
n.Int32, n.Valid = int32(v), true
return nil
case uint16:
n.Int32, n.Valid = int32(v), true
return nil
case int8:
n.Int32, n.Valid = int32(v), true
return nil
case uint8:
n.Int32, n.Valid = int32(v), true
return nil
case []byte:
intV, err := strconv.ParseInt(string(v), 10, 32)
if err == nil {
n.Int32, n.Valid = int32(intV), true
return nil
}
}
n.Valid = false
return nil
}
// Value implements the driver Valuer interface.
func (n NullInt32) Value() (driver.Value, error) {
if !n.Valid {
return nil, nil
}
return n.Int32, nil
}
//===============================================================//
// NullInt32 struct
type NullUInt32 struct {
UInt32 uint32
Valid bool
}
// Scan implements the Scanner interface.
func (n *NullUInt32) Scan(value interface{}) error {
switch v := value.(type) {
case uint32:
n.UInt32, n.Valid = v, true
return nil
case int16:
n.UInt32, n.Valid = uint32(v), true
return nil
case uint16:
n.UInt32, n.Valid = uint32(v), true
return nil
case int8:
n.UInt32, n.Valid = uint32(v), true
return nil
case uint8:
n.UInt32, n.Valid = uint32(v), true
return nil
case []byte:
intV, err := strconv.ParseInt(string(v), 10, 32)
if err == nil {
n.UInt32, n.Valid = uint32(intV), true
return nil
}
}
n.Valid = false
return nil
}
// Value implements the driver Valuer interface.
func (n NullUInt32) Value() (driver.Value, error) {
if !n.Valid {
return nil, nil
}
return n.UInt32, nil
}
//===============================================================//
// NullInt32 struct
type NullInt64 struct {
Int64 int64
Valid bool
}
// Scan implements the Scanner interface.
func (n *NullInt64) Scan(value interface{}) error {
switch v := value.(type) {
case int64:
n.Int64, n.Valid = v, true
return nil
case int32:
n.Int64, n.Valid = int64(v), true
return nil
case uint32:
n.Int64, n.Valid = int64(v), true
return nil
case int16:
n.Int64, n.Valid = int64(v), true
return nil
case uint16:
n.Int64, n.Valid = int64(v), true
return nil
case int8:
n.Int64, n.Valid = int64(v), true
return nil
case uint8:
n.Int64, n.Valid = int64(v), true
return nil
case []byte:
intV, err := strconv.ParseInt(string(v), 10, 32)
if err == nil {
n.Int64, n.Valid = int64(intV), true
return nil
}
}
n.Valid = false
return nil
}
// Value implements the driver Valuer interface.
func (n NullInt64) Value() (driver.Value, error) {
if !n.Valid {
return nil, nil
}
return n.Int64, nil
}
//===============================================================//
// NullInt32 struct
type NullUInt64 struct {
UInt64 uint64
Valid bool
}
// Scan implements the Scanner interface.
func (n *NullUInt64) Scan(value interface{}) error {
switch v := value.(type) {
case uint64:
n.UInt64, n.Valid = v, true
return nil
case int32:
n.UInt64, n.Valid = uint64(v), true
return nil
case uint32:
n.UInt64, n.Valid = uint64(v), true
return nil
case int16:
n.UInt64, n.Valid = uint64(v), true
return nil
case uint16:
n.UInt64, n.Valid = uint64(v), true
return nil
case int8:
n.UInt64, n.Valid = uint64(v), true
return nil
case uint8:
n.UInt64, n.Valid = uint64(v), true
return nil
case []byte:
intV, err := strconv.ParseInt(string(v), 10, 32)
if err == nil {
n.UInt64, n.Valid = uint64(intV), true
return nil
}
}
n.Valid = false
return nil
}
// Value implements the driver Valuer interface.
func (n NullUInt64) Value() (driver.Value, error) {
if !n.Valid {
return nil, nil
}
return n.UInt64, nil
}
//===============================================================//
// NullFloat32 struct
type NullFloat32 struct {
Float32 float32
Valid bool // Valid is true if Int64 is not NULL
Valid bool
}
// Scan implements the Scanner interface.