diff options
Diffstat (limited to 'vendor/github.com/jackc/pgproto3/v2/copy_fail.go')
-rw-r--r-- | vendor/github.com/jackc/pgproto3/v2/copy_fail.go | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/vendor/github.com/jackc/pgproto3/v2/copy_fail.go b/vendor/github.com/jackc/pgproto3/v2/copy_fail.go new file mode 100644 index 000000000..78ff0b30b --- /dev/null +++ b/vendor/github.com/jackc/pgproto3/v2/copy_fail.go @@ -0,0 +1,53 @@ +package pgproto3 + +import ( + "bytes" + "encoding/json" + + "github.com/jackc/pgio" +) + +type CopyFail struct { + Message string +} + +// Frontend identifies this message as sendable by a PostgreSQL frontend. +func (*CopyFail) Frontend() {} + +// 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 *CopyFail) Decode(src []byte) error { + idx := bytes.IndexByte(src, 0) + if idx != len(src)-1 { + return &invalidMessageFormatErr{messageType: "CopyFail"} + } + + dst.Message = string(src[:idx]) + + return nil +} + +// Encode encodes src into dst. dst will include the 1 byte message type identifier and the 4 byte message length. +func (src *CopyFail) Encode(dst []byte) []byte { + dst = append(dst, 'f') + sp := len(dst) + dst = pgio.AppendInt32(dst, -1) + + dst = append(dst, src.Message...) + dst = append(dst, 0) + + pgio.SetInt32(dst[sp:], int32(len(dst[sp:]))) + + return dst +} + +// MarshalJSON implements encoding/json.Marshaler. +func (src CopyFail) MarshalJSON() ([]byte, error) { + return json.Marshal(struct { + Type string + Message string + }{ + Type: "CopyFail", + Message: src.Message, + }) +} |