2
0
Files
pgx/copy_data.go
T
Jack Christensen 4e2900b774 Introduce pgproto3 package
pgproto3 will wrap the message encoding and decoding for the PostgreSQL
frontend/backend protocol version 3.
2017-04-29 10:02:38 -05:00

42 lines
715 B
Go

package pgproto3
import (
"bytes"
"encoding/hex"
"encoding/json"
)
type CopyData struct {
Data []byte
}
func (*CopyData) Backend() {}
func (*CopyData) Frontend() {}
func (dst *CopyData) UnmarshalBinary(src []byte) error {
dst.Data = make([]byte, len(src))
copy(dst.Data, src)
return nil
}
func (src *CopyData) MarshalBinary() ([]byte, error) {
var bigEndian BigEndianBuf
buf := &bytes.Buffer{}
buf.WriteByte('d')
buf.Write(bigEndian.Uint32(uint32(4 + len(src.Data))))
buf.Write(src.Data)
return buf.Bytes(), nil
}
func (src *CopyData) MarshalJSON() ([]byte, error) {
return json.Marshal(struct {
Type string
Data string
}{
Type: "CopyData",
Data: hex.EncodeToString(src.Data),
})
}