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

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2018-10-03 16:55:26 +00:00
package pgproto3
import "fmt"
// Message is the interface implemented by an object that can decode and encode
// a particular PostgreSQL message.
type Message interface {
// Decode is allowed and expected to retain a reference to data after
// returning (unlike encoding.BinaryUnmarshaler).
Decode(data []byte) error
// Encode appends itself to dst and returns the new buffer.
Encode(dst []byte) []byte
}
type FrontendMessage interface {
Message
Frontend() // no-op method to distinguish frontend from backend methods
}
type BackendMessage interface {
Message
Backend() // no-op method to distinguish frontend from backend methods
}
type invalidMessageLenErr struct {
messageType string
expectedLen int
actualLen int
}
func (e *invalidMessageLenErr) Error() string {
return fmt.Sprintf("%s body must have length of %d, but it is %d", e.messageType, e.expectedLen, e.actualLen)
}
type invalidMessageFormatErr struct {
messageType string
}
func (e *invalidMessageFormatErr) Error() string {
return fmt.Sprintf("%s body is invalid", e.messageType)
}