open-vault/vendor/github.com/jackc/pgx/pgproto3/query.go

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2018-10-03 16:55:26 +00:00
package pgproto3
import (
"bytes"
"encoding/json"
"github.com/jackc/pgx/pgio"
)
type Query struct {
String string
}
func (*Query) Frontend() {}
func (dst *Query) Decode(src []byte) error {
i := bytes.IndexByte(src, 0)
if i != len(src)-1 {
return &invalidMessageFormatErr{messageType: "Query"}
}
dst.String = string(src[:i])
return nil
}
func (src *Query) Encode(dst []byte) []byte {
dst = append(dst, 'Q')
dst = pgio.AppendInt32(dst, int32(4+len(src.String)+1))
dst = append(dst, src.String...)
dst = append(dst, 0)
return dst
}
func (src *Query) MarshalJSON() ([]byte, error) {
return json.Marshal(struct {
Type string
String string
}{
Type: "Query",
String: src.String,
})
}