summaryrefslogtreecommitdiff
path: root/vendor/github.com/jackc/pgproto3/v2/command_complete.go
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/github.com/jackc/pgproto3/v2/command_complete.go')
-rw-r--r--vendor/github.com/jackc/pgproto3/v2/command_complete.go71
1 files changed, 71 insertions, 0 deletions
diff --git a/vendor/github.com/jackc/pgproto3/v2/command_complete.go b/vendor/github.com/jackc/pgproto3/v2/command_complete.go
new file mode 100644
index 000000000..cdc49f39f
--- /dev/null
+++ b/vendor/github.com/jackc/pgproto3/v2/command_complete.go
@@ -0,0 +1,71 @@
+package pgproto3
+
+import (
+ "bytes"
+ "encoding/json"
+
+ "github.com/jackc/pgio"
+)
+
+type CommandComplete struct {
+ CommandTag []byte
+}
+
+// Backend identifies this message as sendable by the PostgreSQL backend.
+func (*CommandComplete) 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 *CommandComplete) Decode(src []byte) error {
+ idx := bytes.IndexByte(src, 0)
+ if idx != len(src)-1 {
+ return &invalidMessageFormatErr{messageType: "CommandComplete"}
+ }
+
+ dst.CommandTag = 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 *CommandComplete) Encode(dst []byte) []byte {
+ dst = append(dst, 'C')
+ sp := len(dst)
+ dst = pgio.AppendInt32(dst, -1)
+
+ dst = append(dst, src.CommandTag...)
+ dst = append(dst, 0)
+
+ pgio.SetInt32(dst[sp:], int32(len(dst[sp:])))
+
+ return dst
+}
+
+// MarshalJSON implements encoding/json.Marshaler.
+func (src CommandComplete) MarshalJSON() ([]byte, error) {
+ return json.Marshal(struct {
+ Type string
+ CommandTag string
+ }{
+ Type: "CommandComplete",
+ CommandTag: string(src.CommandTag),
+ })
+}
+
+// UnmarshalJSON implements encoding/json.Unmarshaler.
+func (dst *CommandComplete) UnmarshalJSON(data []byte) error {
+ // Ignore null, like in the main JSON package.
+ if string(data) == "null" {
+ return nil
+ }
+
+ var msg struct {
+ CommandTag string
+ }
+ if err := json.Unmarshal(data, &msg); err != nil {
+ return err
+ }
+
+ dst.CommandTag = []byte(msg.CommandTag)
+ return nil
+}