diff options
Diffstat (limited to 'vendor/github.com/jackc/pgx/v5/pgproto3/no_data.go')
-rw-r--r-- | vendor/github.com/jackc/pgx/v5/pgproto3/no_data.go | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/vendor/github.com/jackc/pgx/v5/pgproto3/no_data.go b/vendor/github.com/jackc/pgx/v5/pgproto3/no_data.go new file mode 100644 index 0000000..cbcaad4 --- /dev/null +++ b/vendor/github.com/jackc/pgx/v5/pgproto3/no_data.go @@ -0,0 +1,34 @@ +package pgproto3 + +import ( + "encoding/json" +) + +type NoData struct{} + +// Backend identifies this message as sendable by the PostgreSQL backend. +func (*NoData) Backend() {} + +// Decode decodes src into dst. src must contain the complete message with the exception of the initial 1 byte message +// type identifier and 4 byte message length. +func (dst *NoData) Decode(src []byte) error { + if len(src) != 0 { + return &invalidMessageLenErr{messageType: "NoData", expectedLen: 0, actualLen: len(src)} + } + + return nil +} + +// Encode encodes src into dst. dst will include the 1 byte message type identifier and the 4 byte message length. +func (src *NoData) Encode(dst []byte) ([]byte, error) { + return append(dst, 'n', 0, 0, 0, 4), nil +} + +// MarshalJSON implements encoding/json.Marshaler. +func (src NoData) MarshalJSON() ([]byte, error) { + return json.Marshal(struct { + Type string + }{ + Type: "NoData", + }) +} |